TSK-1658: Created TaskQueryMapperSqlProvider

TSK-1658: Added CustomXNotIn fields


TSK-1658: Tests fixed


TSK-1658: Added Test


TSK-1658: introduced methods for common OnjectReference where parts


TSK-1658: small stuff

common/taskana-common/src/main/java/pro/taskana/common/api/BaseQuery.java

@@ -1,5 +1,6 @@
 package pro.taskana.common.api;
 
+import java.util.Arrays;
 import java.util.List;
 
 /**
@@ -77,17 +78,12 @@ public interface BaseQuery<T, U extends Enum<U> & QueryColumnName> {
 
   default String[] toUpperCopy(String... source) {
     if (source == null || source.length == 0) {
+      return null;
       // we are currently aware that this is a code smell. Unfortunately the resolution of this
       // would cause havoc in our queries, since we do not have a concept
       // for a user input validation yet. As soon as that is done we can resolve this code smell.
-      return null;
-    } else {
-      String[] target = new String[source.length];
-      for (int i = 0; i < source.length; i++) {
-        target[i] = source[i].toUpperCase();
-      }
-      return target;
     }
+    return Arrays.stream(source).map(String::toUpperCase).toArray(String[]::new);
   }
 
   /** Determines the sort direction. */

history/taskana-simplehistory-provider/src/test/java/acceptance/query/QueryTaskHistoryAccTest.java

@@ -22,10 +22,6 @@ import pro.taskana.spi.history.api.events.task.TaskHistoryEventType;
 /** Test for Task History queries. */
 class QueryTaskHistoryAccTest extends AbstractAccTest {
 
-  public QueryTaskHistoryAccTest() {
-    super();
-  }
-
   @Test
   void should_ConfirmEquality_When_UsingListValuesAscendingAndDescending() {
     List<String> defaultList =
@@ -77,7 +73,7 @@ class QueryTaskHistoryAccTest extends AbstractAccTest {
   }
 
   @Test
-  void should_ReturnEmptyList_When_ProvidingWrongContraints() {
+  void should_ReturnEmptyList_When_ProvidingWrongConstraints() {
     List<TaskHistoryEvent> result = getHistoryService().createTaskHistoryQuery().list(1, 1000);
     assertThat(result).hasSize(12);
 
@@ -110,7 +106,7 @@ class QueryTaskHistoryAccTest extends AbstractAccTest {
 
     TaskHistoryQuery query = getHistoryService().createTaskHistoryQuery().userIdIn("peter");
 
-    assertThatThrownBy(() -> query.single()).isInstanceOf(TooManyResultsException.class);
+    assertThatThrownBy(query::single).isInstanceOf(TooManyResultsException.class);
   }
 
   @Test

lib/taskana-core/src/main/java/pro/taskana/task/api/TaskQuery.java

@@ -452,13 +452,24 @@ public interface TaskQuery extends BaseQuery<TaskSummary, TaskQueryColumnName> {
   TaskQuery customAttributeIn(TaskCustomField customField, String... searchArguments)
       throws InvalidArgumentException;
 
+  /**
+   * Exclude these values of custom attributes from your query.
+   *
+   * @param customField identifies which custom attribute is affected.
+   * @param searchArguments the customField values of the searched for tasks
+   * @return the query
+   * @throws InvalidArgumentException if searchArguments are not given
+   */
+  TaskQuery customAttributeNotIn(TaskCustomField customField, String... searchArguments)
+      throws InvalidArgumentException;
+
   /**
    * Add the values of custom attributes for pattern matching to your query. They will be compared
    * in SQL with the LIKE operator. You may use a wildcard like % to specify the pattern. If you
    * specify multiple arguments they are combined with the OR keyword.
    *
    * @param customField identifies which custom attribute is affected.
-   * @param searchArguments the customField values of the searched-for tasks
+   * @param searchArguments the customField values of the searched for tasks
    * @return the query
    * @throws InvalidArgumentException if searchArguments is not given
    */

lib/taskana-core/src/main/java/pro/taskana/task/api/TaskService.java

@@ -256,7 +256,7 @@ public interface TaskService {
       throws TaskNotFoundException, NotAuthorizedException;
 
   /**
-   * This method provides a query builder for quering the database.
+   * This method provides a query builder for querying the database.
    *
    * @return a {@link TaskQuery}
    */
@@ -394,7 +394,7 @@ public interface TaskService {
    * @param taskIds list of source {@linkplain Task Tasks} which will be moved
    * @param setTransferFlag the control about whether to set the {@linkplain Task#isTransferred()}
    *     flag or not
-   * @return Bulkresult with ID and Error in it for failed transactions.
+   * @return BulkResult with ID and Error in it for failed transactions.
    * @throws NotAuthorizedException if the caller has no permissions on target {@linkplain
    *     pro.taskana.workbasket.api.models.Workbasket Workbasket}.
    * @throws InvalidArgumentException if the method parameters are EMPTY or NULL.

lib/taskana-core/src/main/java/pro/taskana/task/internal/TaskQueryImpl.java

@@ -97,36 +97,52 @@ public class TaskQueryImpl implements TaskQuery {
   private String[] businessProcessIdLike;
   private CallbackState[] callbackStateIn;
   private String[] custom1In;
+  private String[] custom1NotIn;
   private String[] custom1Like;
   private String[] custom2In;
+  private String[] custom2NotIn;
   private String[] custom2Like;
   private String[] custom3In;
+  private String[] custom3NotIn;
   private String[] custom3Like;
   private String[] custom4In;
+  private String[] custom4NotIn;
   private String[] custom4Like;
   private String[] custom5In;
+  private String[] custom5NotIn;
   private String[] custom5Like;
   private String[] custom6In;
+  private String[] custom6NotIn;
   private String[] custom6Like;
   private String[] custom7In;
+  private String[] custom7NotIn;
   private String[] custom7Like;
   private String[] custom8In;
+  private String[] custom8NotIn;
   private String[] custom8Like;
   private String[] custom9In;
+  private String[] custom9NotIn;
   private String[] custom9Like;
   private String[] custom10In;
+  private String[] custom10NotIn;
   private String[] custom10Like;
   private String[] custom11In;
+  private String[] custom11NotIn;
   private String[] custom11Like;
   private String[] custom12In;
+  private String[] custom12NotIn;
   private String[] custom12Like;
   private String[] custom13In;
+  private String[] custom13NotIn;
   private String[] custom13Like;
   private String[] custom14In;
+  private String[] custom14NotIn;
   private String[] custom14Like;
   private String[] custom15In;
+  private String[] custom15NotIn;
   private String[] custom15Like;
   private String[] custom16In;
+  private String[] custom16NotIn;
   private String[] custom16Like;
   private String[] attachmentClassificationKeyIn;
   private String[] attachmentClassificationKeyLike;
@@ -540,6 +556,69 @@ public class TaskQueryImpl implements TaskQuery {
     return this;
   }
 
+  @Override
+  public TaskQuery customAttributeNotIn(TaskCustomField customField, String... strings)
+      throws InvalidArgumentException {
+    if (strings.length == 0) {
+      throw new InvalidArgumentException(
+          "At least one string has to be provided as a search parameter");
+    }
+    switch (customField) {
+      case CUSTOM_1:
+        this.custom1NotIn = strings;
+        break;
+      case CUSTOM_2:
+        this.custom2NotIn = strings;
+        break;
+      case CUSTOM_3:
+        this.custom3NotIn = strings;
+        break;
+      case CUSTOM_4:
+        this.custom4NotIn = strings;
+        break;
+      case CUSTOM_5:
+        this.custom5NotIn = strings;
+        break;
+      case CUSTOM_6:
+        this.custom6NotIn = strings;
+        break;
+      case CUSTOM_7:
+        this.custom7NotIn = strings;
+        break;
+      case CUSTOM_8:
+        this.custom8NotIn = strings;
+        break;
+      case CUSTOM_9:
+        this.custom9NotIn = strings;
+        break;
+      case CUSTOM_10:
+        this.custom10NotIn = strings;
+        break;
+      case CUSTOM_11:
+        this.custom11NotIn = strings;
+        break;
+      case CUSTOM_12:
+        this.custom12NotIn = strings;
+        break;
+      case CUSTOM_13:
+        this.custom13NotIn = strings;
+        break;
+      case CUSTOM_14:
+        this.custom14NotIn = strings;
+        break;
+      case CUSTOM_15:
+        this.custom15NotIn = strings;
+        break;
+      case CUSTOM_16:
+        this.custom16NotIn = strings;
+        break;
+      default:
+        throw new SystemException("Unknown custom attribute '" + customField + "'");
+    }
+
+    return this;
+  }
+
   @Override
   public TaskQuery customAttributeLike(TaskCustomField customField, String... strings)
       throws InvalidArgumentException {
@@ -550,7 +629,8 @@ public class TaskQueryImpl implements TaskQuery {
 
     switch (customField) {
       case CUSTOM_1:
-        this.custom1Like = toUpperCopy(strings);
+        this.custom1Like =
+            toUpperCopy(strings); // why are we doing this? the sql is always an upper?
         break;
       case CUSTOM_2:
         this.custom2Like = toUpperCopy(strings);
@@ -1225,6 +1305,10 @@ public class TaskQueryImpl implements TaskQuery {
     return custom1In;
   }
 
+  public String[] getCustom1NotIn() {
+    return custom1NotIn;
+  }
+
   public String[] getCustom1Like() {
     return custom1Like;
   }
@@ -1233,6 +1317,10 @@ public class TaskQueryImpl implements TaskQuery {
     return custom2In;
   }
 
+  public String[] getCustom2NotIn() {
+    return custom2NotIn;
+  }
+
   public String[] getCustom2Like() {
     return custom2Like;
   }
@@ -1241,6 +1329,10 @@ public class TaskQueryImpl implements TaskQuery {
     return custom3In;
   }
 
+  public String[] getCustom3NotIn() {
+    return custom3NotIn;
+  }
+
   public String[] getCustom3Like() {
     return custom3Like;
   }
@@ -1249,6 +1341,10 @@ public class TaskQueryImpl implements TaskQuery {
     return custom4In;
   }
 
+  public String[] getCustom4NotIn() {
+    return custom4NotIn;
+  }
+
   public String[] getCustom4Like() {
     return custom4Like;
   }
@@ -1257,6 +1353,10 @@ public class TaskQueryImpl implements TaskQuery {
     return custom5In;
   }
 
+  public String[] getCustom5NotIn() {
+    return custom5NotIn;
+  }
+
   public String[] getCustom5Like() {
     return custom5Like;
   }
@@ -1265,6 +1365,10 @@ public class TaskQueryImpl implements TaskQuery {
     return custom6In;
   }
 
+  public String[] getCustom6NotIn() {
+    return custom6NotIn;
+  }
+
   public String[] getCustom6Like() {
     return custom6Like;
   }
@@ -1273,6 +1377,10 @@ public class TaskQueryImpl implements TaskQuery {
     return custom7In;
   }
 
+  public String[] getCustom7NotIn() {
+    return custom7NotIn;
+  }
+
   public String[] getCustom7Like() {
     return custom7Like;
   }
@@ -1281,6 +1389,10 @@ public class TaskQueryImpl implements TaskQuery {
     return custom8In;
   }
 
+  public String[] getCustom8NotIn() {
+    return custom8NotIn;
+  }
+
   public String[] getCustom8Like() {
     return custom8Like;
   }
@@ -1289,6 +1401,10 @@ public class TaskQueryImpl implements TaskQuery {
     return custom9In;
   }
 
+  public String[] getCustom9NotIn() {
+    return custom9NotIn;
+  }
+
   public String[] getCustom9Like() {
     return custom9Like;
   }
@@ -1297,6 +1413,10 @@ public class TaskQueryImpl implements TaskQuery {
     return custom10In;
   }
 
+  public String[] getCustom10NotIn() {
+    return custom10NotIn;
+  }
+
   public String[] getCustom10Like() {
     return custom10Like;
   }
@@ -1305,6 +1425,10 @@ public class TaskQueryImpl implements TaskQuery {
     return custom11In;
   }
 
+  public String[] getCustom11NotIn() {
+    return custom11NotIn;
+  }
+
   public String[] getCustom11Like() {
     return custom11Like;
   }
@@ -1313,6 +1437,10 @@ public class TaskQueryImpl implements TaskQuery {
     return custom12In;
   }
 
+  public String[] getCustom12NotIn() {
+    return custom12NotIn;
+  }
+
   public String[] getCustom12Like() {
     return custom12Like;
   }
@@ -1321,6 +1449,10 @@ public class TaskQueryImpl implements TaskQuery {
     return custom13In;
   }
 
+  public String[] getCustom13NotIn() {
+    return custom13NotIn;
+  }
+
   public String[] getCustom13Like() {
     return custom13Like;
   }
@@ -1329,6 +1461,10 @@ public class TaskQueryImpl implements TaskQuery {
     return custom14In;
   }
 
+  public String[] getCustom14NotIn() {
+    return custom14NotIn;
+  }
+
   public String[] getCustom14Like() {
     return custom14Like;
   }
@@ -1337,6 +1473,10 @@ public class TaskQueryImpl implements TaskQuery {
     return custom15In;
   }
 
+  public String[] getCustom15NotIn() {
+    return custom15NotIn;
+  }
+
   public String[] getCustom15Like() {
     return custom15Like;
   }
@@ -1345,6 +1485,10 @@ public class TaskQueryImpl implements TaskQuery {
     return custom16In;
   }
 
+  public String[] getCustom16NotIn() {
+    return custom16NotIn;
+  }
+
   public String[] getCustom16Like() {
     return custom16Like;
   }
@@ -1760,66 +1904,98 @@ public class TaskQueryImpl implements TaskQuery {
         + Arrays.toString(callbackStateIn)
         + ", custom1In="
         + Arrays.toString(custom1In)
+        + ", custom1NotIn="
+        + Arrays.toString(custom1NotIn)
         + ", custom1Like="
         + Arrays.toString(custom1Like)
         + ", custom2In="
         + Arrays.toString(custom2In)
+        + ", custom2NotIn="
+        + Arrays.toString(custom2NotIn)
         + ", custom2Like="
         + Arrays.toString(custom2Like)
         + ", custom3In="
         + Arrays.toString(custom3In)
+        + ", custom3NotIn="
+        + Arrays.toString(custom3NotIn)
         + ", custom3Like="
         + Arrays.toString(custom3Like)
         + ", custom4In="
         + Arrays.toString(custom4In)
+        + ", custom4NotIn="
+        + Arrays.toString(custom4NotIn)
         + ", custom4Like="
         + Arrays.toString(custom4Like)
         + ", custom5In="
         + Arrays.toString(custom5In)
+        + ", custom5NotIn="
+        + Arrays.toString(custom5NotIn)
         + ", custom5Like="
         + Arrays.toString(custom5Like)
         + ", custom6In="
         + Arrays.toString(custom6In)
+        + ", custom6NotIn="
+        + Arrays.toString(custom6NotIn)
         + ", custom6Like="
         + Arrays.toString(custom6Like)
         + ", custom7In="
         + Arrays.toString(custom7In)
+        + ", custom7NotIn="
+        + Arrays.toString(custom7NotIn)
         + ", custom7Like="
         + Arrays.toString(custom7Like)
         + ", custom8In="
         + Arrays.toString(custom8In)
+        + ", custom8NotIn="
+        + Arrays.toString(custom8NotIn)
         + ", custom8Like="
         + Arrays.toString(custom8Like)
         + ", custom9In="
         + Arrays.toString(custom9In)
+        + ", custom9NotIn="
+        + Arrays.toString(custom9NotIn)
         + ", custom9Like="
         + Arrays.toString(custom9Like)
         + ", custom10In="
         + Arrays.toString(custom10In)
+        + ", custom10NotIn="
+        + Arrays.toString(custom10NotIn)
         + ", custom10Like="
         + Arrays.toString(custom10Like)
         + ", custom11In="
         + Arrays.toString(custom11In)
+        + ", custom11NotIn="
+        + Arrays.toString(custom11NotIn)
         + ", custom11Like="
         + Arrays.toString(custom11Like)
         + ", custom12In="
         + Arrays.toString(custom12In)
+        + ", custom12NotIn="
+        + Arrays.toString(custom12NotIn)
         + ", custom12Like="
         + Arrays.toString(custom12Like)
         + ", custom13In="
         + Arrays.toString(custom13In)
+        + ", custom13NotIn="
+        + Arrays.toString(custom13NotIn)
         + ", custom13Like="
         + Arrays.toString(custom13Like)
         + ", custom14In="
         + Arrays.toString(custom14In)
+        + ", custom14NotIn="
+        + Arrays.toString(custom14NotIn)
         + ", custom14Like="
         + Arrays.toString(custom14Like)
         + ", custom15In="
         + Arrays.toString(custom15In)
+        + ", custom15NotIn="
+        + Arrays.toString(custom15NotIn)
         + ", custom15Like="
         + Arrays.toString(custom15Like)
         + ", custom16In="
         + Arrays.toString(custom16In)
+        + ", custom16NotIn="
+        + Arrays.toString(custom16NotIn)
         + ", custom16Like="
         + Arrays.toString(custom16Like)
         + ", attachmentClassificationKeyIn="

lib/taskana-core/src/main/java/pro/taskana/task/internal/TaskQueryMapper.java

@@ -2,7 +2,7 @@ package pro.taskana.task.internal;
 
 import java.util.List;
 import org.apache.ibatis.annotations.Result;
-import org.apache.ibatis.annotations.Select;
+import org.apache.ibatis.annotations.SelectProvider;
 
 import pro.taskana.task.api.models.ObjectReference;
 import pro.taskana.task.internal.models.TaskSummaryImpl;
@@ -11,148 +11,7 @@ import pro.taskana.task.internal.models.TaskSummaryImpl;
 @SuppressWarnings({"checkstyle:LineLength", "checkstyle:Indentation"})
 public interface TaskQueryMapper {
 
-  @Select(
-      "<script> "
-          + "SELECT <if test=\"useDistinctKeyword\">DISTINCT</if> t.ID, t.EXTERNAL_ID, t.CREATED, t.CLAIMED, t.COMPLETED, t.MODIFIED, t.PLANNED, t.DUE, t.NAME, t.CREATOR, t.DESCRIPTION, t.NOTE, t.PRIORITY, t.STATE, t.CLASSIFICATION_KEY, "
-          + "t.CLASSIFICATION_CATEGORY, t.CLASSIFICATION_ID, t.WORKBASKET_ID, t.DOMAIN, t.WORKBASKET_KEY, t.BUSINESS_PROCESS_ID, t.PARENT_BUSINESS_PROCESS_ID, t.OWNER, t.POR_COMPANY, t.POR_SYSTEM, t.POR_INSTANCE, t.POR_TYPE, "
-          + "t.POR_VALUE, t.IS_READ, t.IS_TRANSFERRED, t.CUSTOM_1, t.CUSTOM_2, t.CUSTOM_3, t.CUSTOM_4, t.CUSTOM_5, t.CUSTOM_6, t.CUSTOM_7, t.CUSTOM_8, t.CUSTOM_9, t.CUSTOM_10, t.CUSTOM_11, t.CUSTOM_12, t.CUSTOM_13, t.CUSTOM_14, "
-          + "t.CUSTOM_15, t.CUSTOM_16"
-          + "<if test=\"addAttachmentColumnsToSelectClauseForOrdering\">"
-          + ", a.CLASSIFICATION_ID, a.CLASSIFICATION_KEY, a.CHANNEL, a.REF_VALUE, a.RECEIVED"
-          + "</if>"
-          + "<if test=\"addClassificationNameToSelectClauseForOrdering\">"
-          + ", c.NAME "
-          + "</if>"
-          + "<if test=\"addAttachmentClassificationNameToSelectClauseForOrdering\">"
-          + ", ac.NAME "
-          + "</if>"
-          + "<if test=\"addWorkbasketNameToSelectClauseForOrdering\">"
-          + ", w.NAME "
-          + "</if>"
-          + "FROM TASK t "
-          + "<if test=\"joinWithAttachments\">"
-          + "LEFT JOIN ATTACHMENT AS a ON t.ID = a.TASK_ID "
-          + "</if>"
-          + "<if test=\"joinWithClassifications\">"
-          + "LEFT JOIN CLASSIFICATION AS c ON t.CLASSIFICATION_ID = c.ID "
-          + "</if>"
-          + "<if test=\"joinWithAttachmentClassifications\">"
-          + "LEFT JOIN CLASSIFICATION AS ac ON a.CLASSIFICATION_ID = ac.ID "
-          + "</if>"
-          + "<if test=\"joinWithWorkbaskets\">"
-          + "LEFT JOIN WORKBASKET AS w ON t.WORKBASKET_ID = w.ID "
-          + "</if>"
-          + "<where>"
-          + "<if test='accessIdIn != null'> "
-          + "AND t.WORKBASKET_ID IN ( "
-          + "SELECT WID from (SELECT WORKBASKET_ID as WID, MAX(PERM_READ::int) as MAX_READ FROM WORKBASKET_ACCESS_LIST AS s where "
-          + "ACCESS_ID IN (<foreach item='item' collection='accessIdIn' separator=',' >#{item}</foreach>) "
-          + "group by WORKBASKET_ID ) AS f where max_read = 1 ) "
-          + "</if> "
-          + "<if test='taskIds != null'>AND t.ID IN(<foreach item='item' collection='taskIds' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='externalIdIn != null'>AND t.EXTERNAL_ID IN(<foreach item='item' collection='externalIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='externalIdLike != null'>AND (<foreach item='item' collection='externalIdLike' separator=' OR '>UPPER(t.EXTERNAL_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='createdIn !=null'> AND ( <foreach item='item' collection='createdIn' separator=' OR ' > ( <if test='item.begin!=null'> t.CREATED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.CREATED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='claimedIn !=null'> AND ( <foreach item='item' collection='claimedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.CLAIMED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.CLAIMED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='completedIn !=null'> AND ( <foreach item='item' collection='completedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.COMPLETED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.COMPLETED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='modifiedIn !=null'> AND ( <foreach item='item' collection='modifiedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.MODIFIED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.MODIFIED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='plannedIn !=null'> AND ( <foreach item='item' collection='plannedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.PLANNED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.PLANNED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='dueIn !=null'> AND ( <foreach item='item' collection='dueIn' separator=' OR ' > ( <if test='item.begin!=null'> t.DUE &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.DUE &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='nameIn != null'>AND t.NAME IN(<foreach item='item' collection='nameIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='nameLike != null'>AND (<foreach item='item' collection='nameLike' separator=' OR '>UPPER(t.NAME) LIKE #{item}</foreach>)</if> "
-          + "<if test='creatorIn != null'>AND t.CREATOR IN(<foreach item='item' collection='creatorIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='creatorLike != null'>AND (<foreach item='item' collection='creatorLike' separator=' OR '>UPPER(t.CREATOR) LIKE #{item}</foreach>)</if> "
-          + "<if test='description != null'>AND (<foreach item='item' collection='description' separator=' OR '>t.DESCRIPTION LIKE #{item}</foreach>)</if> "
-          + "<if test='noteLike != null'>AND (<foreach item='item' collection='noteLike' separator=' OR '>UPPER(t.NOTE) LIKE #{item}</foreach>)</if> "
-          + "<if test='priority != null'>AND t.PRIORITY IN(<foreach item='item' collection='priority' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='stateIn != null'>AND t.STATE IN(<foreach item='item' collection='stateIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='callbackStateIn != null'>AND t.CALLBACK_STATE IN(<foreach item='item' collection='callbackStateIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='workbasketIdIn != null'>AND t.WORKBASKET_ID IN(<foreach item='item' collection='workbasketIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='workbasketKeyDomainIn != null'>AND (<foreach item='item' collection='workbasketKeyDomainIn' separator=' OR '>(t.WORKBASKET_KEY = #{item.key} AND t.DOMAIN = #{item.domain})</foreach>)</if> "
-          + "<if test='classificationKeyIn != null'>AND t.CLASSIFICATION_KEY IN(<foreach item='item' collection='classificationKeyIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationKeyNotIn != null'>AND t.CLASSIFICATION_KEY NOT IN(<foreach item='item' collection='classificationKeyNotIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationKeyLike != null'>AND (<foreach item='item' collection='classificationKeyLike' separator=' OR '>UPPER(t.CLASSIFICATION_KEY) LIKE #{item}</foreach>)</if> "
-          + "<if test='classificationIdIn != null'>AND t.CLASSIFICATION_ID IN(<foreach item='item' collection='classificationIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationCategoryIn != null'>AND t.CLASSIFICATION_CATEGORY IN(<foreach item='item' collection='classificationCategoryIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationCategoryLike != null'>AND (<foreach item='item' collection='classificationCategoryLike' separator=' OR '>UPPER(t.CLASSIFICATION_CATEGORY) LIKE #{item}</foreach>)</if> "
-          + "<if test='classificationNameIn != null'>AND c.NAME IN(<foreach item='item' collection='classificationNameIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationNameLike != null'>AND (<foreach item='item' collection='classificationNameLike' separator=' OR '>UPPER(c.NAME) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationNameIn != null'>AND ac.NAME IN(<foreach item='item' collection='attachmentClassificationNameIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationNameLike != null'>AND (<foreach item='item' collection='attachmentClassificationNameLike' separator=' OR '>UPPER(ac.NAME) LIKE #{item}</foreach>)</if> "
-          + "<if test='ownerIn != null'>AND t.OWNER IN(<foreach item='item' collection='ownerIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='ownerLike != null'>AND (<foreach item='item' collection='ownerLike' separator=' OR '>UPPER(t.OWNER) LIKE #{item}</foreach>)</if> "
-          + "<if test='isRead != null'>AND t.IS_READ = #{isRead}</if> "
-          + "<if test='isTransferred != null'>AND t.IS_TRANSFERRED = #{isTransferred}</if> "
-          + "<if test='objectReferences != null'>"
-          + "AND (<foreach item='item' collection='objectReferences' separator=' OR '> "
-          + "<if test='item.company != null'>t.POR_COMPANY = #{item.company} </if>"
-          + "<if test='item.system != null'> <if test='item.company != null'>AND</if> t.POR_SYSTEM = #{item.system} </if>"
-          + "<if test='item.systemInstance != null'> <if test='item.company != null or item.system != null'>AND</if> t.POR_INSTANCE = #{item.systemInstance} </if>"
-          + "<if test='item.type != null'> <if test='item.company != null or item.system != null or item.systemInstance != null'>AND</if> t.POR_TYPE = #{item.type} </if>"
-          + "<if test='item.value != null'> <if test='item.company != null or item.system != null or item.systemInstance != null or item.type != null'>AND</if> t.POR_VALUE = #{item.value} </if>"
-          + "</foreach>)</if>"
-          + "<if test='porCompanyIn != null'>AND t.POR_COMPANY IN(<foreach item='item' collection='porCompanyIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porCompanyLike != null'>AND (<foreach item='item' collection='porCompanyLike' separator=' OR '>UPPER(t.POR_COMPANY) LIKE #{item}</foreach>)</if> "
-          + "<if test='porSystemIn != null'>AND t.POR_SYSTEM IN(<foreach item='item' collection='porSystemIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porSystemLike != null'>AND (<foreach item='item' collection='porSystemLike' separator=' OR '>UPPER(t.POR_SYSTEM) LIKE #{item}</foreach>)</if> "
-          + "<if test='porSystemInstanceIn != null'>AND t.POR_INSTANCE IN(<foreach item='item' collection='porSystemInstanceIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porSystemInstanceLike != null'>AND (<foreach item='item' collection='porSystemInstanceLike' separator=' OR '>UPPER(t.POR_INSTANCE) LIKE #{item}</foreach>)</if> "
-          + "<if test='porTypeIn != null'>AND t.POR_TYPE IN(<foreach item='item' collection='porTypeIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porTypeLike != null'>AND (<foreach item='item' collection='porTypeLike' separator=' OR '>UPPER(t.POR_TYPE) LIKE #{item}</foreach>)</if> "
-          + "<if test='porValueIn != null'>AND t.POR_VALUE IN(<foreach item='item' collection='porValueIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porValueLike != null'>AND (<foreach item='item' collection='porValueLike' separator=' OR '>UPPER(t.POR_VALUE) LIKE #{item}</foreach>)</if> "
-          + "<if test='parentBusinessProcessIdIn != null'>AND t.PARENT_BUSINESS_PROCESS_ID IN(<foreach item='item' collection='parentBusinessProcessIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='parentBusinessProcessIdLike != null'>AND (<foreach item='item' collection='parentBusinessProcessIdLike' separator=' OR '>UPPER(t.PARENT_BUSINESS_PROCESS_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='businessProcessIdIn != null'>AND t.BUSINESS_PROCESS_ID IN(<foreach item='item' collection='businessProcessIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='businessProcessIdLike != null'>AND (<foreach item='item' collection='businessProcessIdLike' separator=' OR '>UPPER(t.BUSINESS_PROCESS_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom1In != null'>AND t.CUSTOM_1 IN(<foreach item='item' collection='custom1In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom1Like != null'>AND (<foreach item='item' collection='custom1Like' separator=' OR '>UPPER(t.CUSTOM_1) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom2In != null'>AND t.CUSTOM_2 IN(<foreach item='item' collection='custom2In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom2Like != null'>AND (<foreach item='item' collection='custom2Like' separator=' OR '>UPPER(t.CUSTOM_2) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom3In != null'>AND t.CUSTOM_3 IN(<foreach item='item' collection='custom3In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom3Like != null'>AND (<foreach item='item' collection='custom3Like' separator=' OR '>UPPER(t.CUSTOM_3) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom4In != null'>AND t.CUSTOM_4 IN(<foreach item='item' collection='custom4In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom4Like != null'>AND (<foreach item='item' collection='custom4Like' separator=' OR '>UPPER(t.CUSTOM_4) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom5In != null'>AND t.CUSTOM_5 IN(<foreach item='item' collection='custom5In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom5Like != null'>AND (<foreach item='item' collection='custom5Like' separator=' OR '>UPPER(t.CUSTOM_5) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom6In != null'>AND t.CUSTOM_6 IN(<foreach item='item' collection='custom6In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom6Like != null'>AND (<foreach item='item' collection='custom6Like' separator=' OR '>UPPER(t.CUSTOM_6) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom7In != null'>AND t.CUSTOM_7 IN(<foreach item='item' collection='custom7In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom7Like != null'>AND (<foreach item='item' collection='custom7Like' separator=' OR '>UPPER(t.CUSTOM_7) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom8In != null'>AND t.CUSTOM_8 IN(<foreach item='item' collection='custom8In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom8Like != null'>AND (<foreach item='item' collection='custom8Like' separator=' OR '>UPPER(t.CUSTOM_8) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom9In != null'>AND t.CUSTOM_9 IN(<foreach item='item' collection='custom9In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom9Like != null'>AND (<foreach item='item' collection='custom9Like' separator=' OR '>UPPER(t.CUSTOM_9) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom10In != null'>AND t.CUSTOM_10 IN(<foreach item='item' collection='custom10In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom10Like != null'>AND (<foreach item='item' collection='custom10Like' separator=' OR '>UPPER(t.CUSTOM_10) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom11In != null'>AND t.CUSTOM_11 IN(<foreach item='item' collection='custom11In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom11Like != null'>AND (<foreach item='item' collection='custom11Like' separator=' OR '>UPPER(t.CUSTOM_11) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom12In != null'>AND t.CUSTOM_12 IN(<foreach item='item' collection='custom12In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom12Like != null'>AND (<foreach item='item' collection='custom12Like' separator=' OR '>UPPER(t.CUSTOM_12) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom13In != null'>AND t.CUSTOM_13 IN(<foreach item='item' collection='custom13In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom13Like != null'>AND (<foreach item='item' collection='custom13Like' separator=' OR '>UPPER(t.CUSTOM_13) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom14In != null'>AND t.CUSTOM_14 IN(<foreach item='item' collection='custom14In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom14Like != null'>AND (<foreach item='item' collection='custom14Like' separator=' OR '>UPPER(t.CUSTOM_14) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom15In != null'>AND t.CUSTOM_15 IN(<foreach item='item' collection='custom15In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom15Like != null'>AND (<foreach item='item' collection='custom15Like' separator=' OR '>UPPER(t.CUSTOM_15) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom16In != null'>AND t.CUSTOM_16 IN(<foreach item='item' collection='custom16In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom16Like != null'>AND (<foreach item='item' collection='custom16Like' separator=' OR '>UPPER(t.CUSTOM_16) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationKeyIn != null'>AND a.CLASSIFICATION_KEY IN(<foreach item='item' collection='attachmentClassificationKeyIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationKeyLike != null'>AND (<foreach item='item' collection='attachmentClassificationKeyLike' separator=' OR '>UPPER(a.CLASSIFICATION_KEY) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationIdIn != null'>AND a.CLASSIFICATION_ID IN(<foreach item='item' collection='attachmentClassificationIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationIdLike != null'>AND (<foreach item='item' collection='attachmentclassificationIdLike' separator=' OR '>UPPER(a.CLASSIFICATION_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentChannelIn != null'>AND a.CHANNEL IN(<foreach item='item' collection='attachmentChannelIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentChannelLike != null'>AND (<foreach item='item' collection='attachmentChannelLike' separator=' OR '>UPPER(a.CHANNEL) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentReferenceIn != null'>AND a.REF_VALUE IN(<foreach item='item' collection='attachmentReferenceIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentReferenceLike != null'>AND (<foreach item='item' collection='attachmentReferenceLike' separator=' OR '>UPPER(a.REF_VALUE) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentReceivedIn !=null'> AND ( <foreach item='item' collection='attachmentReceivedIn' separator=' OR ' > ( <if test='item.begin!=null'> a.RECEIVED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> a.RECEIVED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='wildcardSearchValueLike != null and wildcardSearchFieldIn != null'>AND (<foreach item='item' collection='wildcardSearchFieldIn' separator=' OR '>UPPER(t.${item}) LIKE #{wildcardSearchValueLike}</foreach>)</if> "
-          + "<if test='selectAndClaim == true'> AND t.STATE = 'READY' </if>"
-          + "</where>"
-          + "<if test='!orderBy.isEmpty()'>ORDER BY <foreach item='item' collection='orderBy' separator=',' >${item}</foreach></if> "
-          + "<if test='selectAndClaim == true'> FETCH FIRST ROW ONLY FOR UPDATE </if>"
-          + "<if test=\"_databaseId == 'db2'\">WITH RS USE AND KEEP UPDATE LOCKS </if> "
-          + "</script>")
+  @SelectProvider(type = TaskQuerySqlProvider.class, method = "queryTaskSummaries")
   @Result(property = "id", column = "ID")
   @Result(property = "externalId", column = "EXTERNAL_ID")
   @Result(property = "created", column = "CREATED")
@@ -202,220 +61,7 @@ public interface TaskQueryMapper {
   @Result(property = "custom16", column = "CUSTOM_16")
   List<TaskSummaryImpl> queryTaskSummaries(TaskQueryImpl taskQuery);
 
-  @Select(
-      "<script> "
-          + "WITH X (ID, EXTERNAL_ID, CREATED, CLAIMED, COMPLETED, MODIFIED, PLANNED, DUE, NAME, CREATOR, DESCRIPTION, NOTE, PRIORITY, STATE, TCLASSIFICATION_KEY, "
-          + "CLASSIFICATION_CATEGORY, CLASSIFICATION_ID, WORKBASKET_ID, DOMAIN, WORKBASKET_KEY, BUSINESS_PROCESS_ID, PARENT_BUSINESS_PROCESS_ID, OWNER, "
-          + "POR_COMPANY, POR_SYSTEM, POR_INSTANCE, POR_TYPE, POR_VALUE, IS_READ, IS_TRANSFERRED, CUSTOM_1, CUSTOM_2, CUSTOM_3, CUSTOM_4, CUSTOM_5, "
-          + "CUSTOM_6, CUSTOM_7, CUSTOM_8, CUSTOM_9, CUSTOM_10, CUSTOM_11, CUSTOM_12, CUSTOM_13, CUSTOM_14, CUSTOM_15, CUSTOM_16"
-          + "<if test=\"addAttachmentColumnsToSelectClauseForOrdering\">"
-          + ", ACLASSIFICATION_ID, ACLASSIFICATION_KEY, CHANNEL, REF_VALUE, RECEIVED"
-          + "</if>"
-          + "<if test=\"addClassificationNameToSelectClauseForOrdering\">"
-          + ", CNAME "
-          + "</if>"
-          + "<if test=\"addAttachmentClassificationNameToSelectClauseForOrdering\">"
-          + ", ACNAME "
-          + "</if>"
-          + "<if test=\"addWorkbasketNameToSelectClauseForOrdering\">"
-          + ", WNAME "
-          + "</if>"
-          + " ) "
-          + " AS (SELECT <if test=\"useDistinctKeyword\">DISTINCT</if> t.ID, t.EXTERNAL_ID, t.CREATED, t.CLAIMED, t.COMPLETED, t.MODIFIED, t.PLANNED, t.DUE, t.NAME, t.CREATOR, t.DESCRIPTION, t.NOTE, t.PRIORITY, t.STATE, t.CLASSIFICATION_KEY, "
-          + " t.CLASSIFICATION_CATEGORY, t.CLASSIFICATION_ID, t.WORKBASKET_ID, t.DOMAIN, t.WORKBASKET_KEY, t.BUSINESS_PROCESS_ID, t.PARENT_BUSINESS_PROCESS_ID, t.OWNER, "
-          + "t.POR_COMPANY, t.POR_SYSTEM, t.POR_INSTANCE, t.POR_TYPE, t.POR_VALUE, t.IS_READ, t.IS_TRANSFERRED, t.CUSTOM_1, t.CUSTOM_2, t.CUSTOM_3, t.CUSTOM_4, t.CUSTOM_5, "
-          + "t.CUSTOM_6, t.CUSTOM_7, t.CUSTOM_8, t.CUSTOM_9, t.CUSTOM_10, t.CUSTOM_11, t.CUSTOM_12, t.CUSTOM_13, t.CUSTOM_14, t.CUSTOM_15, t.CUSTOM_16"
-          + "<if test=\"addAttachmentColumnsToSelectClauseForOrdering\">"
-          + ", a.CLASSIFICATION_ID, a.CLASSIFICATION_KEY, a.CHANNEL, a.REF_VALUE, a.RECEIVED"
-          + "</if>"
-          + "<if test=\"addClassificationNameToSelectClauseForOrdering\">"
-          + ", c.NAME "
-          + "</if>"
-          + "<if test=\"addAttachmentClassificationNameToSelectClauseForOrdering\">"
-          + ", ac.NAME "
-          + "</if>"
-          + "<if test=\"addWorkbasketNameToSelectClauseForOrdering\">"
-          + ", w.NAME "
-          + "</if>"
-          + " FROM TASK t "
-          + "<if test=\"joinWithAttachments\">"
-          + "LEFT JOIN ATTACHMENT a ON t.ID = a.TASK_ID "
-          + "</if>"
-          + "<if test=\"joinWithClassifications\">"
-          + "LEFT JOIN CLASSIFICATION AS c ON t.CLASSIFICATION_ID = c.ID "
-          + "</if>"
-          + "<if test=\"joinWithAttachmentClassifications\">"
-          + "LEFT JOIN CLASSIFICATION AS ac ON a.CLASSIFICATION_ID = ac.ID "
-          + "</if>"
-          + "<if test=\"joinWithWorkbaskets\">"
-          + "LEFT JOIN WORKBASKET AS w ON t.WORKBASKET_ID = w.ID "
-          + "</if>"
-          + "<where> "
-          + "<if test='taskIds != null'>AND t.ID IN(<foreach item='item' collection='taskIds' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='externalIdIn != null'>AND t.EXTERNAL_ID IN(<foreach item='item' collection='externalIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='externalIdLike != null'>AND (<foreach item='item' collection='externalIdLike' separator=' OR '>UPPER(t.EXTERNAL_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='createdIn !=null'> AND ( <foreach item='item' collection='createdIn' separator=' OR ' > ( <if test='item.begin!=null'> t.CREATED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.CREATED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='claimedIn !=null'> AND ( <foreach item='item' collection='claimedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.CLAIMED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.CLAIMED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='completedIn !=null'> AND ( <foreach item='item' collection='completedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.COMPLETED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.COMPLETED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='modifiedIn !=null'> AND ( <foreach item='item' collection='modifiedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.MODIFIED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.MODIFIED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='plannedIn !=null'> AND ( <foreach item='item' collection='plannedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.PLANNED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.PLANNED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='dueIn !=null'> AND ( <foreach item='item' collection='dueIn' separator=' OR ' > ( <if test='item.begin!=null'> t.DUE &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.DUE &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='nameIn != null'>AND t.NAME IN(<foreach item='item' collection='nameIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='nameLike != null'>AND (<foreach item='item' collection='nameLike' separator=' OR '>UPPER(t.NAME) LIKE #{item}</foreach>)</if> "
-          + "<if test='creatorIn != null'>AND CREATOR IN(<foreach item='item' collection='creatorIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='creatorLike != null'>AND (<foreach item='item' collection='creatorLike' separator=' OR '>UPPER(CREATOR) LIKE #{item}</foreach>)</if> "
-          + "<if test='description != null'>AND (<foreach item='item' collection='description' separator=' OR '>DESCRIPTION LIKE #{item}</foreach>)</if> "
-          + "<if test='noteLike != null'>AND (<foreach item='item' collection='noteLike' separator=' OR '>UPPER(NOTE) LIKE #{item}</foreach>)</if> "
-          + "<if test='priority != null'>AND PRIORITY IN(<foreach item='item' collection='priority' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='stateIn != null'>AND STATE IN(<foreach item='item' collection='stateIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='callbackStateIn != null'>AND t.CALLBACK_STATE IN(<foreach item='item' collection='callbackStateIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='workbasketIdIn != null'>AND WORKBASKET_ID IN(<foreach item='item' collection='workbasketIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='workbasketKeyDomainIn != null'>AND (<foreach item='item' collection='workbasketKeyDomainIn' separator=' OR '>(WORKBASKET_KEY = #{item.key} AND DOMAIN = #{item.domain})</foreach>)</if> "
-          + "<if test='classificationKeyIn != null'>AND t.CLASSIFICATION_KEY IN(<foreach item='item' collection='classificationKeyIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationKeyNotIn != null'>AND t.CLASSIFICATION_KEY NOT IN(<foreach item='item' collection='classificationKeyNotIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationKeyLike != null'>AND (<foreach item='item' collection='classificationKeyLike' separator=' OR '>UPPER(t.CLASSIFICATION_KEY) LIKE #{item}</foreach>)</if> "
-          + "<if test='classificationIdIn != null'>AND t.CLASSIFICATION_ID IN(<foreach item='item' collection='classificationIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationCategoryIn != null'>AND CLASSIFICATION_CATEGORY IN(<foreach item='item' collection='classificationCategoryIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationCategoryLike != null'>AND (<foreach item='item' collection='classificationCategoryLike' separator=' OR '>UPPER(CLASSIFICATION_CATEGORY) LIKE #{item}</foreach>)</if> "
-          + "<if test='classificationNameIn != null'>AND c.NAME IN(<foreach item='item' collection='classificationNameIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationNameLike != null'>AND (<foreach item='item' collection='classificationNameLike' separator=' OR '>UPPER(c.NAME) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationNameIn != null'>AND ac.NAME IN(<foreach item='item' collection='attachmentClassificationNameIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationNameLike != null'>AND (<foreach item='item' collection='attachmentClassificationNameLike' separator=' OR '>UPPER(ac.NAME) LIKE #{item}</foreach>)</if> "
-          + "<if test='ownerIn != null'>AND OWNER IN(<foreach item='item' collection='ownerIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='ownerLike != null'>AND (<foreach item='item' collection='ownerLike' separator=' OR '>UPPER(OWNER) LIKE #{item}</foreach>)</if> "
-          + "<if test='isRead != null'>AND IS_READ = #{isRead}</if> "
-          + "<if test='isTransferred != null'>AND IS_TRANSFERRED = #{isTransferred}</if> "
-          + "<if test='objectReferences != null'>"
-          + "AND (<foreach item='item' collection='objectReferences' separator=' OR '> "
-          + "<if test='item.company != null'>t.POR_COMPANY = #{item.company} </if>"
-          + "<if test='item.system != null'> <if test='item.company != null'>AND</if> t.POR_SYSTEM = #{item.system} </if>"
-          + "<if test='item.systemInstance != null'> <if test='item.company != null or item.system != null'>AND</if> t.POR_INSTANCE = #{item.systemInstance} </if>"
-          + "<if test='item.type != null'> <if test='item.company != null or item.system != null or item.systemInstance != null'>AND</if> t.POR_TYPE = #{item.type} </if>"
-          + "<if test='item.value != null'> <if test='item.company != null or item.system != null or item.systemInstance != null or item.type != null'>AND</if> t.POR_VALUE = #{item.value} </if>"
-          + "</foreach>)</if>"
-          + "<if test='porCompanyIn != null'>AND POR_COMPANY IN(<foreach item='item' collection='porCompanyIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porCompanyLike != null'>AND (<foreach item='item' collection='porCompanyLike' separator=' OR '>UPPER(POR_COMPANY) LIKE #{item}</foreach>)</if> "
-          + "<if test='porSystemIn != null'>AND POR_SYSTEM IN(<foreach item='item' collection='porSystemIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porSystemLike != null'>AND (<foreach item='item' collection='porSystemLike' separator=' OR '>UPPER(POR_SYSTEM) LIKE #{item}</foreach>)</if> "
-          + "<if test='porSystemInstanceIn != null'>AND POR_INSTANCE IN(<foreach item='item' collection='porSystemInstanceIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porSystemInstanceLike != null'>AND (<foreach item='item' collection='porSystemInstanceLike' separator=' OR '>UPPER(POR_INSTANCE) LIKE #{item}</foreach>)</if> "
-          + "<if test='porTypeIn != null'>AND POR_TYPE IN(<foreach item='item' collection='porTypeIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porTypeLike != null'>AND (<foreach item='item' collection='porTypeLike' separator=' OR '>UPPER(POR_TYPE) LIKE #{item}</foreach>)</if> "
-          + "<if test='porValueIn != null'>AND POR_VALUE IN(<foreach item='item' collection='porValueIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porValueLike != null'>AND (<foreach item='item' collection='porValueLike' separator=' OR '>UPPER(POR_VALUE) LIKE #{item}</foreach>)</if> "
-          + "<if test='parentBusinessProcessIdIn != null'>AND PARENT_BUSINESS_PROCESS_ID IN(<foreach item='item' collection='parentBusinessProcessIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='parentBusinessProcessIdLike != null'>AND (<foreach item='item' collection='parentBusinessProcessIdLike' separator=' OR '>UPPER(PARENT_BUSINESS_PROCESS_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='businessProcessIdIn != null'>AND BUSINESS_PROCESS_ID IN(<foreach item='item' collection='businessProcessIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='businessProcessIdLike != null'>AND (<foreach item='item' collection='businessProcessIdLike' separator=' OR '>UPPER(BUSINESS_PROCESS_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom1In != null'>AND CUSTOM_1 IN(<foreach item='item' collection='custom1In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom1Like != null'>AND (<foreach item='item' collection='custom1Like' separator=' OR '>UPPER(CUSTOM_1) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom2In != null'>AND CUSTOM_2 IN(<foreach item='item' collection='custom2In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom2Like != null'>AND (<foreach item='item' collection='custom2Like' separator=' OR '>UPPER(CUSTOM_2) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom3In != null'>AND CUSTOM_3 IN(<foreach item='item' collection='custom3In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom3Like != null'>AND (<foreach item='item' collection='custom3Like' separator=' OR '>UPPER(CUSTOM_3) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom4In != null'>AND CUSTOM_4 IN(<foreach item='item' collection='custom4In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom4Like != null'>AND (<foreach item='item' collection='custom4Like' separator=' OR '>UPPER(CUSTOM_4) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom5In != null'>AND CUSTOM_5 IN(<foreach item='item' collection='custom5In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom5Like != null'>AND (<foreach item='item' collection='custom5Like' separator=' OR '>UPPER(CUSTOM_5) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom6In != null'>AND CUSTOM_6 IN(<foreach item='item' collection='custom6In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom6Like != null'>AND (<foreach item='item' collection='custom6Like' separator=' OR '>UPPER(CUSTOM_6) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom7In != null'>AND CUSTOM_7 IN(<foreach item='item' collection='custom7In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom7Like != null'>AND (<foreach item='item' collection='custom7Like' separator=' OR '>UPPER(CUSTOM_7) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom8In != null'>AND CUSTOM_8 IN(<foreach item='item' collection='custom8In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom8Like != null'>AND (<foreach item='item' collection='custom8Like' separator=' OR '>UPPER(CUSTOM_8) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom9In != null'>AND CUSTOM_9 IN(<foreach item='item' collection='custom9In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom9Like != null'>AND (<foreach item='item' collection='custom9Like' separator=' OR '>UPPER(CUSTOM_9) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom10In != null'>AND CUSTOM_10 IN(<foreach item='item' collection='custom10In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom10Like != null'>AND (<foreach item='item' collection='custom10Like' separator=' OR '>UPPER(CUSTOM_10) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom11In != null'>AND CUSTOM_11 IN(<foreach item='item' collection='custom11In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom11Like != null'>AND (<foreach item='item' collection='custom11Like' separator=' OR '>UPPER(CUSTOM_11) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom12In != null'>AND CUSTOM_12 IN(<foreach item='item' collection='custom12In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom12Like != null'>AND (<foreach item='item' collection='custom12Like' separator=' OR '>UPPER(CUSTOM_12) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom13In != null'>AND CUSTOM_13 IN(<foreach item='item' collection='custom13In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom13Like != null'>AND (<foreach item='item' collection='custom13Like' separator=' OR '>UPPER(CUSTOM_13) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom14In != null'>AND CUSTOM_14 IN(<foreach item='item' collection='custom14In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom14Like != null'>AND (<foreach item='item' collection='custom14Like' separator=' OR '>UPPER(CUSTOM_14) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom15In != null'>AND CUSTOM_15 IN(<foreach item='item' collection='custom15In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom15Like != null'>AND (<foreach item='item' collection='custom15Like' separator=' OR '>UPPER(CUSTOM_15) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom16In != null'>AND CUSTOM_16 IN(<foreach item='item' collection='custom16In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom16Like != null'>AND (<foreach item='item' collection='custom16Like' separator=' OR '>UPPER(CUSTOM_16) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationKeyIn != null'>AND a.CLASSIFICATION_KEY IN(<foreach item='item' collection='attachmentClassificationKeyIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationKeyLike != null'>AND (<foreach item='item' collection='attachmentClassificationKeyLike' separator=' OR '>UPPER(a.CLASSIFICATION_KEY) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationIdIn != null'>AND a.CLASSIFICATION_ID IN(<foreach item='item' collection='attachmentClassificationIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationIdLike != null'>AND (<foreach item='item' collection='attachmentClassificationIdLike' separator=' OR '>UPPER(a.CLASSIFICATION_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentChannelIn != null'>AND a.CHANNEL IN(<foreach item='item' collection='attachmentChannelIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentChannelLike != null'>AND (<foreach item='item' collection='attachmentChannelLike' separator=' OR '>UPPER(a.CHANNEL) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentReferenceIn != null'>AND a.REF_VALUE IN(<foreach item='item' collection='attachmentReferenceIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentReferenceLike != null'>AND (<foreach item='item' collection='attachmentReferenceLike' separator=' OR '>UPPER(a.REF_VALUE) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentReceivedIn !=null'> AND ( <foreach item='item' collection='attachmentReceivedIn' separator=' OR ' > ( <if test='item.begin!=null'> a.RECEIVED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> a.RECEIVED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='wildcardSearchValueLike != null and wildcardSearchFieldIn != null'>AND (<foreach item='item' collection='wildcardSearchFieldIn' separator=' OR '>UPPER(t.${item}) LIKE #{wildcardSearchValueLike}</foreach>)</if> "
-          + "</where> "
-          + "), Y (ID, EXTERNAL_ID, CREATED, CLAIMED, COMPLETED, MODIFIED, PLANNED, DUE, NAME, CREATOR, DESCRIPTION, NOTE, PRIORITY, STATE, TCLASSIFICATION_KEY, "
-          + " CLASSIFICATION_CATEGORY, CLASSIFICATION_ID, WORKBASKET_ID, DOMAIN, WORKBASKET_KEY, BUSINESS_PROCESS_ID, PARENT_BUSINESS_PROCESS_ID, OWNER, "
-          + "POR_COMPANY, POR_SYSTEM, POR_INSTANCE, POR_TYPE, POR_VALUE, IS_READ, IS_TRANSFERRED, CUSTOM_1, CUSTOM_2, CUSTOM_3, CUSTOM_4, CUSTOM_5, "
-          + "CUSTOM_6, CUSTOM_7, CUSTOM_8, CUSTOM_9, CUSTOM_10, CUSTOM_11, CUSTOM_12, CUSTOM_13, CUSTOM_14, CUSTOM_15, CUSTOM_16"
-          + "<if test=\"addAttachmentColumnsToSelectClauseForOrdering\">"
-          + ", ACLASSIFICATION_ID, ACLASSIFICATION_KEY, CHANNEL, REF_VALUE, RECEIVED"
-          + "</if>"
-          + "<if test=\"addClassificationNameToSelectClauseForOrdering\">"
-          + ", CNAME "
-          + "</if>"
-          + "<if test=\"addAttachmentClassificationNameToSelectClauseForOrdering\">"
-          + ", ACNAME "
-          + "</if>"
-          + "<if test=\"addWorkbasketNameToSelectClauseForOrdering\">"
-          + ", WNAME "
-          + "</if>"
-          + ", FLAG ) "
-          + "AS "
-          + "(SELECT ID, EXTERNAL_ID, CREATED, CLAIMED, COMPLETED, MODIFIED, PLANNED, DUE, NAME, CREATOR, DESCRIPTION, NOTE, PRIORITY, STATE, TCLASSIFICATION_KEY, "
-          + " CLASSIFICATION_CATEGORY, CLASSIFICATION_ID, WORKBASKET_ID, DOMAIN, WORKBASKET_KEY, BUSINESS_PROCESS_ID, PARENT_BUSINESS_PROCESS_ID, OWNER, "
-          + "POR_COMPANY, POR_SYSTEM, POR_INSTANCE, POR_TYPE, POR_VALUE, IS_READ, IS_TRANSFERRED, CUSTOM_1, CUSTOM_2, CUSTOM_3, CUSTOM_4, CUSTOM_5, "
-          + "CUSTOM_6, CUSTOM_7, CUSTOM_8, CUSTOM_9, CUSTOM_10, CUSTOM_11, CUSTOM_12, CUSTOM_13, CUSTOM_14, CUSTOM_15, CUSTOM_16"
-          + "<if test=\"addAttachmentColumnsToSelectClauseForOrdering\">"
-          + ", ACLASSIFICATION_ID, ACLASSIFICATION_KEY, CHANNEL, REF_VALUE, RECEIVED"
-          + "</if>"
-          + "<if test=\"addClassificationNameToSelectClauseForOrdering\">"
-          + ", CNAME "
-          + "</if>"
-          + "<if test=\"addAttachmentClassificationNameToSelectClauseForOrdering\">"
-          + ", ACNAME "
-          + "</if>"
-          + "<if test=\"addWorkbasketNameToSelectClauseForOrdering\">"
-          + ", WNAME "
-          + "</if>"
-          + ", (SELECT 1 FROM WORKBASKET_ACCESS_LIST s WHERE "
-          + "<if test='accessIdIn != null'> "
-          + "s.ACCESS_ID IN (<foreach item='item' collection='accessIdIn' separator=',' >#{item}</foreach>) and "
-          + "</if>"
-          + "s.WORKBASKET_ID = X.WORKBASKET_ID AND "
-          + "s.perm_read = 1 "
-          + "fetch first 1 rows only "
-          + ") FROM X )"
-          + "SELECT ID, EXTERNAL_ID, CREATED, CLAIMED, COMPLETED, MODIFIED, PLANNED, DUE, NAME, CREATOR, DESCRIPTION, NOTE, PRIORITY, STATE, TCLASSIFICATION_KEY, "
-          + " CLASSIFICATION_CATEGORY, CLASSIFICATION_ID, WORKBASKET_ID, DOMAIN, WORKBASKET_KEY, BUSINESS_PROCESS_ID, PARENT_BUSINESS_PROCESS_ID, OWNER, "
-          + "POR_COMPANY, POR_SYSTEM, POR_INSTANCE, POR_TYPE, POR_VALUE, IS_READ, IS_TRANSFERRED, CUSTOM_1, CUSTOM_2, CUSTOM_3, CUSTOM_4, CUSTOM_5, "
-          + "CUSTOM_6, CUSTOM_7, CUSTOM_8, CUSTOM_9, CUSTOM_10, CUSTOM_11, CUSTOM_12, CUSTOM_13, CUSTOM_14, CUSTOM_15, CUSTOM_16"
-          + "<if test=\"addAttachmentColumnsToSelectClauseForOrdering\">"
-          + ", ACLASSIFICATION_ID, ACLASSIFICATION_KEY, CHANNEL, REF_VALUE, RECEIVED "
-          + "</if>"
-          + "<if test=\"addClassificationNameToSelectClauseForOrdering\">"
-          + ", CNAME "
-          + "</if>"
-          + "<if test=\"addAttachmentClassificationNameToSelectClauseForOrdering\">"
-          + ", ACNAME "
-          + "</if>"
-          + "<if test=\"addWorkbasketNameToSelectClauseForOrdering\">"
-          + ", WNAME "
-          + "</if>"
-          + " FROM Y WHERE FLAG = 1 "
-          + "<if test='!orderBy.isEmpty()'>ORDER BY <foreach item='item' collection='orderBy' separator=',' >"
-          + "${item}"
-          + "</foreach>"
-          + "</if> "
-          + "<if test='selectAndClaim == true'>FETCH FIRST ROW ONLY FOR UPDATE WITH RS USE AND KEEP UPDATE LOCKS</if>"
-          + "<if test='selectAndClaim == false'> with UR</if>"
-          + "</script>")
+  @SelectProvider(type = TaskQuerySqlProvider.class, method = "queryTaskSummariesDb2")
   @Result(property = "id", column = "ID")
   @Result(property = "externalId", column = "EXTERNAL_ID")
   @Result(property = "created", column = "CREATED")
@@ -465,18 +111,7 @@ public interface TaskQueryMapper {
   @Result(property = "custom16", column = "CUSTOM_16")
   List<TaskSummaryImpl> queryTaskSummariesDb2(TaskQueryImpl taskQuery);
 
-  @Select(
-      "<script>SELECT ID, COMPANY, SYSTEM, SYSTEM_INSTANCE, TYPE, VALUE "
-          + "FROM OBJECT_REFERENCE "
-          + "<where>"
-          + "<if test='company != null'>AND COMPANY IN(<foreach item='item' collection='company' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='system != null'>AND SYSTEM IN(<foreach item='item' collection='system' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='systemInstance != null'>AND SYSTEM_INSTANCE IN(<foreach item='item' collection='systemInstance' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='type != null'>AND TYPE IN(<foreach item='item' collection='type' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='value != null'>AND VALUE IN(<foreach item='item' collection='value' separator=',' >#{item}</foreach>)</if> "
-          + "</where>"
-          + "<if test=\"_databaseId == 'db2'\">with UR </if> "
-          + "</script>")
+  @SelectProvider(type = TaskQuerySqlProvider.class, method = "queryObjectReferences")
   @Result(property = "id", column = "ID")
   @Result(property = "company", column = "COMPANY")
   @Result(property = "system", column = "SYSTEM")
@@ -485,427 +120,18 @@ public interface TaskQueryMapper {
   @Result(property = "value", column = "VALUE")
   List<ObjectReference> queryObjectReferences(ObjectReferenceQueryImpl objectReference);
 
-  @Select(
-      "<script> "
-          + "SELECT COUNT( <if test=\"useDistinctKeyword\">DISTINCT</if>  t.ID) FROM TASK t "
-          + "<if test=\"joinWithAttachments\">"
-          + "LEFT JOIN ATTACHMENT AS a ON t.ID = a.TASK_ID "
-          + "</if>"
-          + "<if test=\"joinWithClassifications\">"
-          + "LEFT JOIN CLASSIFICATION AS c ON t.CLASSIFICATION_ID = c.ID "
-          + "</if>"
-          + "<if test=\"joinWithAttachmentClassifications\">"
-          + "LEFT JOIN CLASSIFICATION AS ac ON a.CLASSIFICATION_ID = ac.ID "
-          + "</if>"
-          + "<where>"
-          + "<if test='accessIdIn != null'> "
-          + "AND t.WORKBASKET_ID IN ( "
-          + "select WID from (select WORKBASKET_ID as WID, MAX(PERM_READ::int) as MAX_READ FROM WORKBASKET_ACCESS_LIST AS s where "
-          + "ACCESS_ID IN (<foreach item='item' collection='accessIdIn' separator=',' >#{item}</foreach>) "
-          + "group by WORKBASKET_ID ) AS f where max_read = 1 ) "
-          + "</if> "
-          + "<if test='taskIds != null'>AND t.ID IN(<foreach item='item' collection='taskIds' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='externalIdIn != null'>AND t.EXTERNAL_ID IN(<foreach item='item' collection='externalIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='externalIdLike != null'>AND (<foreach item='item' collection='externalIdLike' separator=' OR '>UPPER(t.EXTERNAL_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='createdIn !=null'> AND ( <foreach item='item' collection='createdIn' separator=' OR ' > ( <if test='item.begin!=null'> t.CREATED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.CREATED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='claimedIn !=null'> AND ( <foreach item='item' collection='claimedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.CLAIMED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.CLAIMED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='completedIn !=null'> AND ( <foreach item='item' collection='completedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.COMPLETED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.COMPLETED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='modifiedIn !=null'> AND ( <foreach item='item' collection='modifiedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.MODIFIED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.MODIFIED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='plannedIn !=null'> AND ( <foreach item='item' collection='plannedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.PLANNED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.PLANNED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='dueIn !=null'> AND ( <foreach item='item' collection='dueIn' separator=' OR ' > ( <if test='item.begin!=null'> t.DUE &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.DUE &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='nameIn != null'>AND t.NAME IN(<foreach item='item' collection='nameIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='nameLike != null'>AND (<foreach item='item' collection='nameLike' separator=' OR '>UPPER(t.NAME) LIKE #{item}</foreach>)</if> "
-          + "<if test='creatorIn != null'>AND t.CREATOR IN(<foreach item='item' collection='creatorIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='creatorLike != null'>AND (<foreach item='item' collection='creatorLike' separator=' OR '>UPPER(t.CREATOR) LIKE #{item}</foreach>)</if> "
-          + "<if test='description != null'>AND (<foreach item='item' collection='description' separator=' OR '>t.DESCRIPTION LIKE #{item}</foreach>)</if> "
-          + "<if test='noteLike != null'>AND (<foreach item='item' collection='noteLike' separator=' OR '>UPPER(t.NOTE) LIKE #{item}</foreach>)</if> "
-          + "<if test='priority != null'>AND t.PRIORITY IN(<foreach item='item' collection='priority' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='stateIn != null'>AND t.STATE IN(<foreach item='item' collection='stateIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='callbackStateIn != null'>AND t.CALLBACK_STATE IN(<foreach item='item' collection='callbackStateIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='workbasketIdIn != null'>AND t.WORKBASKET_ID IN(<foreach item='item' collection='workbasketIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='workbasketKeyDomainIn != null'>AND (<foreach item='item' collection='workbasketKeyDomainIn' separator=' OR '>(t.WORKBASKET_KEY = #{item.key} AND t.DOMAIN = #{item.domain})</foreach>)</if> "
-          + "<if test='classificationKeyIn != null'>AND t.CLASSIFICATION_KEY IN(<foreach item='item' collection='classificationKeyIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationKeyNotIn != null'>AND t.CLASSIFICATION_KEY NOT IN(<foreach item='item' collection='classificationKeyNotIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationKeyLike != null'>AND (<foreach item='item' collection='classificationKeyLike' separator=' OR '>UPPER(t.CLASSIFICATION_KEY) LIKE #{item}</foreach>)</if> "
-          + "<if test='classificationIdIn != null'>AND t.CLASSIFICATION_ID IN(<foreach item='item' collection='classificationIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationCategoryIn != null'>AND t.CLASSIFICATION_CATEGORY IN(<foreach item='item' collection='classificationCategoryIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationCategoryLike != null'>AND (<foreach item='item' collection='classificationCategoryLike' separator=' OR '>UPPER(t.CLASSIFICATION_CATEGORY) LIKE #{item}</foreach>)</if> "
-          + "<if test='classificationNameIn != null'>AND c.NAME IN(<foreach item='item' collection='classificationNameIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationNameLike != null'>AND (<foreach item='item' collection='classificationNameLike' separator=' OR '>UPPER(c.NAME) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationNameIn != null'>AND ac.NAME IN(<foreach item='item' collection='attachmentClassificationNameIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationNameLike != null'>AND (<foreach item='item' collection='attachmentClassificationNameLike' separator=' OR '>UPPER(ac.NAME) LIKE #{item}</foreach>)</if> "
-          + "<if test='ownerIn != null'>AND t.OWNER IN(<foreach item='item' collection='ownerIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='ownerLike != null'>AND (<foreach item='item' collection='ownerLike' separator=' OR '>UPPER(t.OWNER) LIKE #{item}</foreach>)</if> "
-          + "<if test='isRead != null'>AND t.IS_READ = #{isRead}</if> "
-          + "<if test='isTransferred != null'>AND t.IS_TRANSFERRED = #{isTransferred}</if> "
-          + "<if test='objectReferences != null'>"
-          + "AND (<foreach item='item' collection='objectReferences' separator=' OR '> "
-          + "<if test='item.company != null'>t.POR_COMPANY = #{item.company} </if>"
-          + "<if test='item.system != null'> <if test='item.company != null'>AND</if> t.POR_SYSTEM = #{item.system} </if>"
-          + "<if test='item.systemInstance != null'> <if test='item.company != null or item.system != null'>AND</if> t.POR_INSTANCE = #{item.systemInstance} </if>"
-          + "<if test='item.type != null'> <if test='item.company != null or item.system != null or item.systemInstance != null'>AND</if> t.POR_TYPE = #{item.type} </if>"
-          + "<if test='item.value != null'> <if test='item.company != null or item.system != null or item.systemInstance != null or item.type != null'>AND</if> t.POR_VALUE = #{item.value} </if>"
-          + "</foreach>)</if>"
-          + "<if test='porCompanyIn != null'>AND t.POR_COMPANY IN(<foreach item='item' collection='porCompanyIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porCompanyLike != null'>AND (<foreach item='item' collection='porCompanyLike' separator=' OR '>UPPER(t.POR_COMPANY) LIKE #{item}</foreach>)</if> "
-          + "<if test='porSystemIn != null'>AND t.POR_SYSTEM IN(<foreach item='item' collection='porSystemIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porSystemLike != null'>AND (<foreach item='item' collection='porSystemLike' separator=' OR '>UPPER(t.POR_SYSTEM) LIKE #{item}</foreach>)</if> "
-          + "<if test='porSystemInstanceIn != null'>AND t.POR_INSTANCE IN(<foreach item='item' collection='porSystemInstanceIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porSystemInstanceLike != null'>AND (<foreach item='item' collection='porSystemInstanceLike' separator=' OR '>UPPER(t.POR_INSTANCE) LIKE #{item}</foreach>)</if> "
-          + "<if test='porTypeIn != null'>AND t.POR_TYPE IN(<foreach item='item' collection='porTypeIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porTypeLike != null'>AND (<foreach item='item' collection='porTypeLike' separator=' OR '>UPPER(t.POR_TYPE) LIKE #{item}</foreach>)</if> "
-          + "<if test='porValueIn != null'>AND t.POR_VALUE IN(<foreach item='item' collection='porValueIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porValueLike != null'>AND (<foreach item='item' collection='porValueLike' separator=' OR '>UPPER(t.POR_VALUE) LIKE #{item}</foreach>)</if> "
-          + "<if test='parentBusinessProcessIdIn != null'>AND t.PARENT_BUSINESS_PROCESS_ID IN(<foreach item='item' collection='parentBusinessProcessIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='parentBusinessProcessIdLike != null'>AND (<foreach item='item' collection='parentBusinessProcessIdLike' separator=' OR '>UPPER(t.PARENT_BUSINESS_PROCESS_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='businessProcessIdIn != null'>AND t.BUSINESS_PROCESS_ID IN(<foreach item='item' collection='businessProcessIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='businessProcessIdLike != null'>AND (<foreach item='item' collection='businessProcessIdLike' separator=' OR '>UPPER(t.BUSINESS_PROCESS_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom1In != null'>AND t.CUSTOM_1 IN(<foreach item='item' collection='custom1In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom1Like != null'>AND (<foreach item='item' collection='custom1Like' separator=' OR '>UPPER(t.CUSTOM_1) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom2In != null'>AND t.CUSTOM_2 IN(<foreach item='item' collection='custom2In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom2Like != null'>AND (<foreach item='item' collection='custom2Like' separator=' OR '>UPPER(t.CUSTOM_2) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom3In != null'>AND t.CUSTOM_3 IN(<foreach item='item' collection='custom3In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom3Like != null'>AND (<foreach item='item' collection='custom3Like' separator=' OR '>UPPER(t.CUSTOM_3) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom4In != null'>AND t.CUSTOM_4 IN(<foreach item='item' collection='custom4In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom4Like != null'>AND (<foreach item='item' collection='custom4Like' separator=' OR '>UPPER(t.CUSTOM_4) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom5In != null'>AND t.CUSTOM_5 IN(<foreach item='item' collection='custom5In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom5Like != null'>AND (<foreach item='item' collection='custom5Like' separator=' OR '>UPPER(t.CUSTOM_5) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom6In != null'>AND t.CUSTOM_6 IN(<foreach item='item' collection='custom6In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom6Like != null'>AND (<foreach item='item' collection='custom6Like' separator=' OR '>UPPER(t.CUSTOM_6) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom7In != null'>AND t.CUSTOM_7 IN(<foreach item='item' collection='custom7In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom7Like != null'>AND (<foreach item='item' collection='custom7Like' separator=' OR '>UPPER(t.CUSTOM_7) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom8In != null'>AND t.CUSTOM_8 IN(<foreach item='item' collection='custom8In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom8Like != null'>AND (<foreach item='item' collection='custom8Like' separator=' OR '>UPPER(t.CUSTOM_8) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom9In != null'>AND t.CUSTOM_9 IN(<foreach item='item' collection='custom9In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom9Like != null'>AND (<foreach item='item' collection='custom9Like' separator=' OR '>UPPER(t.CUSTOM_9) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom10In != null'>AND t.CUSTOM_10 IN(<foreach item='item' collection='custom10In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom10Like != null'>AND (<foreach item='item' collection='custom10Like' separator=' OR '>UPPER(t.CUSTOM_10) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom11In != null'>AND t.CUSTOM_11 IN(<foreach item='item' collection='custom11In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom11Like != null'>AND (<foreach item='item' collection='custom11Like' separator=' OR '>UPPER(t.CUSTOM_11) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom12In != null'>AND t.CUSTOM_12 IN(<foreach item='item' collection='custom12In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom12Like != null'>AND (<foreach item='item' collection='custom12Like' separator=' OR '>UPPER(t.CUSTOM_12) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom13In != null'>AND t.CUSTOM_13 IN(<foreach item='item' collection='custom13In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom13Like != null'>AND (<foreach item='item' collection='custom13Like' separator=' OR '>UPPER(t.CUSTOM_13) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom14In != null'>AND t.CUSTOM_14 IN(<foreach item='item' collection='custom14In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom14Like != null'>AND (<foreach item='item' collection='custom14Like' separator=' OR '>UPPER(t.CUSTOM_14) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom15In != null'>AND t.CUSTOM_15 IN(<foreach item='item' collection='custom15In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom15Like != null'>AND (<foreach item='item' collection='custom15Like' separator=' OR '>UPPER(t.CUSTOM_15) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom16In != null'>AND t.CUSTOM_16 IN(<foreach item='item' collection='custom16In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom16Like != null'>AND (<foreach item='item' collection='custom16Like' separator=' OR '>UPPER(t.CUSTOM_16) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationKeyIn != null'>AND a.CLASSIFICATION_KEY IN(<foreach item='item' collection='attachmentClassificationKeyIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationKeyLike != null'>AND (<foreach item='item' collection='attachmentClassificationKeyLike' separator=' OR '>UPPER(a.CLASSIFICATION_KEY) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationIdIn != null'>AND a.CLASSIFICATION_ID IN(<foreach item='item' collection='attachmentClassificationIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationIdLike != null'>AND (<foreach item='item' collection='attachmentclassificationIdLike' separator=' OR '>UPPER(a.CLASSIFICATION_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentChannelIn != null'>AND a.CHANNEL IN(<foreach item='item' collection='attachmentChannelIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentChannelLike != null'>AND (<foreach item='item' collection='attachmentChannelLike' separator=' OR '>UPPER(a.CHANNEL) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentReferenceIn != null'>AND a.REF_VALUE IN(<foreach item='item' collection='attachmentReferenceIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentReferenceLike != null'>AND (<foreach item='item' collection='attachmentReferenceLike' separator=' OR '>UPPER(a.REF_VALUE) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentReceivedIn !=null'> AND ( <foreach item='item' collection='attachmentReceivedIn' separator=' OR ' > ( <if test='item.begin!=null'> a.RECEIVED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> a.RECEIVED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='wildcardSearchValueLike != null and wildcardSearchFieldIn != null'>AND (<foreach item='item' collection='wildcardSearchFieldIn' separator=' OR '>UPPER(t.${item}) LIKE #{wildcardSearchValueLike}</foreach>)</if> "
-          + "</where>"
-          + "</script>")
+  @SelectProvider(type = TaskQuerySqlProvider.class, method = "countQueryTasks")
   Long countQueryTasks(TaskQueryImpl taskQuery);
 
-  @Select(
-      "<script> "
-          + "WITH X (ID, WORKBASKET_ID) AS (SELECT <if test=\"useDistinctKeyword\">DISTINCT</if> t.ID, t.WORKBASKET_ID FROM TASK t "
-          + "<if test=\"joinWithAttachments\">"
-          + "LEFT JOIN ATTACHMENT AS a ON t.ID = a.TASK_ID "
-          + "</if>"
-          + "<if test=\"joinWithClassifications\">"
-          + "LEFT JOIN CLASSIFICATION AS c ON t.CLASSIFICATION_ID = c.ID "
-          + "</if>"
-          + "<if test=\"joinWithAttachmentClassifications\">"
-          + "LEFT JOIN CLASSIFICATION AS ac ON a.CLASSIFICATION_ID = ac.ID "
-          + "</if>"
-          + "<where> "
-          + "<if test='taskIds != null'>AND t.ID IN(<foreach item='item' collection='taskIds' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='externalIdIn != null'>AND t.EXTERNAL_ID IN(<foreach item='item' collection='externalIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='externalIdLike != null'>AND (<foreach item='item' collection='externalIdLike' separator=' OR '>UPPER(t.EXTERNAL_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='createdIn !=null'> AND ( <foreach item='item' collection='createdIn' separator=' OR ' > ( <if test='item.begin!=null'> t.CREATED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.CREATED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='claimedIn !=null'> AND ( <foreach item='item' collection='claimedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.CLAIMED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.CLAIMED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='completedIn !=null'> AND ( <foreach item='item' collection='completedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.COMPLETED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.COMPLETED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='modifiedIn !=null'> AND ( <foreach item='item' collection='modifiedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.MODIFIED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.MODIFIED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='plannedIn !=null'> AND ( <foreach item='item' collection='plannedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.PLANNED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.PLANNED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='dueIn !=null'> AND ( <foreach item='item' collection='dueIn' separator=' OR ' > ( <if test='item.begin!=null'> t.DUE &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.DUE &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='nameIn != null'>AND t.NAME IN(<foreach item='item' collection='nameIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='nameLike != null'>AND (<foreach item='item' collection='nameLike' separator=' OR '>UPPER(t.NAME) LIKE #{item}</foreach>)</if> "
-          + "<if test='creatorIn != null'>AND t.CREATOR IN(<foreach item='item' collection='creatorIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='creatorLike != null'>AND (<foreach item='item' collection='creatorLike' separator=' OR '>UPPER(t.CREATOR) LIKE #{item}</foreach>)</if> "
-          + "<if test='description != null'>AND (<foreach item='item' collection='description' separator=' OR '>t.DESCRIPTION LIKE #{item}</foreach>)</if> "
-          + "<if test='noteLike != null'>AND (<foreach item='item' collection='noteLike' separator=' OR '>UPPER(t.NOTE) LIKE #{item}</foreach>)</if> "
-          + "<if test='priority != null'>AND t.PRIORITY IN(<foreach item='item' collection='priority' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='stateIn != null'>AND t.STATE IN(<foreach item='item' collection='stateIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='callbackStateIn != null'>AND t.CALLBACK_STATE IN(<foreach item='item' collection='callbackStateIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='workbasketIdIn != null'>AND t.WORKBASKET_ID IN(<foreach item='item' collection='workbasketIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='workbasketKeyDomainIn != null'>AND (<foreach item='item' collection='workbasketKeyDomainIn' separator=' OR '>(t.WORKBASKET_KEY = #{item.key} AND t.DOMAIN = #{item.domain})</foreach>)</if> "
-          + "<if test='classificationKeyIn != null'>AND t.CLASSIFICATION_KEY IN(<foreach item='item' collection='classificationKeyIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationKeyNotIn != null'>AND t.CLASSIFICATION_KEY NOT IN(<foreach item='item' collection='classificationKeyNotIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationKeyLike != null'>AND (<foreach item='item' collection='classificationKeyLike' separator=' OR '>UPPER(t.CLASSIFICATION_KEY) LIKE #{item}</foreach>)</if> "
-          + "<if test='classificationIdIn != null'>AND t.CLASSIFICATION_ID IN(<foreach item='item' collection='classificationIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationCategoryIn != null'>AND t.CLASSIFICATION_CATEGORY IN(<foreach item='item' collection='classificationCategoryIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationCategoryLike != null'>AND (<foreach item='item' collection='classificationCategoryLike' separator=' OR '>UPPER(t.CLASSIFICATION_CATEGORY) LIKE #{item}</foreach>)</if> "
-          + "<if test='classificationNameIn != null'>AND c.NAME IN(<foreach item='item' collection='classificationNameIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationNameLike != null'>AND (<foreach item='item' collection='classificationNameLike' separator=' OR '>UPPER(c.NAME) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationNameIn != null'>AND ac.NAME IN(<foreach item='item' collection='attachmentClassificationNameIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationNameLike != null'>AND (<foreach item='item' collection='attachmentClassificationNameLike' separator=' OR '>UPPER(ac.NAME) LIKE #{item}</foreach>)</if> "
-          + "<if test='ownerIn != null'>AND t.OWNER IN(<foreach item='item' collection='ownerIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='ownerLike != null'>AND (<foreach item='item' collection='ownerLike' separator=' OR '>UPPER(t.OWNER) LIKE #{item}</foreach>)</if> "
-          + "<if test='isRead != null'>AND t.IS_READ = #{isRead}</if> "
-          + "<if test='isTransferred != null'>AND t.IS_TRANSFERRED = #{isTransferred}</if> "
-          + "<if test='objectReferences != null'>"
-          + "AND (<foreach item='item' collection='objectReferences' separator=' OR '> "
-          + "<if test='item.company != null'>t.POR_COMPANY = #{item.company} </if>"
-          + "<if test='item.system != null'> <if test='item.company != null'>AND</if> t.POR_SYSTEM = #{item.system} </if>"
-          + "<if test='item.systemInstance != null'> <if test='item.company != null or item.system != null'>AND</if> t.POR_INSTANCE = #{item.systemInstance} </if>"
-          + "<if test='item.type != null'> <if test='item.company != null or item.system != null or item.systemInstance != null'>AND</if> t.POR_TYPE = #{item.type} </if>"
-          + "<if test='item.value != null'> <if test='item.company != null or item.system != null or item.systemInstance != null or item.type != null'>AND</if> t.POR_VALUE = #{item.value} </if>"
-          + "</foreach>)</if>"
-          + "<if test='porCompanyIn != null'>AND t.POR_COMPANY IN(<foreach item='item' collection='porCompanyIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porCompanyLike != null'>AND (<foreach item='item' collection='porCompanyLike' separator=' OR '>UPPER(t.POR_COMPANY) LIKE #{item}</foreach>)</if> "
-          + "<if test='porSystemIn != null'>AND t.POR_SYSTEM IN(<foreach item='item' collection='porSystemIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porSystemLike != null'>AND (<foreach item='item' collection='porSystemLike' separator=' OR '>UPPER(t.POR_SYSTEM) LIKE #{item}</foreach>)</if> "
-          + "<if test='porSystemInstanceIn != null'>AND t.POR_INSTANCE IN(<foreach item='item' collection='porSystemInstanceIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porSystemInstanceLike != null'>AND (<foreach item='item' collection='porSystemInstanceLike' separator=' OR '>UPPER(t.POR_INSTANCE) LIKE #{item}</foreach>)</if> "
-          + "<if test='porTypeIn != null'>AND t.POR_TYPE IN(<foreach item='item' collection='porTypeIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porTypeLike != null'>AND (<foreach item='item' collection='porTypeLike' separator=' OR '>UPPER(t.POR_TYPE) LIKE #{item}</foreach>)</if> "
-          + "<if test='porValueIn != null'>AND t.POR_VALUE IN(<foreach item='item' collection='porValueIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porValueLike != null'>AND (<foreach item='item' collection='porValueLike' separator=' OR '>UPPER(t.POR_VALUE) LIKE #{item}</foreach>)</if> "
-          + "<if test='parentBusinessProcessIdIn != null'>AND t.PARENT_BUSINESS_PROCESS_ID IN(<foreach item='item' collection='parentBusinessProcessIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='parentBusinessProcessIdLike != null'>AND (<foreach item='item' collection='parentBusinessProcessIdLike' separator=' OR '>UPPER(t.PARENT_BUSINESS_PROCESS_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='businessProcessIdIn != null'>AND t.BUSINESS_PROCESS_ID IN(<foreach item='item' collection='businessProcessIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='businessProcessIdLike != null'>AND (<foreach item='item' collection='businessProcessIdLike' separator=' OR '>UPPER(t.BUSINESS_PROCESS_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom1In != null'>AND t.CUSTOM_1 IN(<foreach item='item' collection='custom1In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom1Like != null'>AND (<foreach item='item' collection='custom1Like' separator=' OR '>UPPER(t.CUSTOM_1) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom2In != null'>AND t.CUSTOM_2 IN(<foreach item='item' collection='custom2In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom2Like != null'>AND (<foreach item='item' collection='custom2Like' separator=' OR '>UPPER(t.CUSTOM_2) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom3In != null'>AND t.CUSTOM_3 IN(<foreach item='item' collection='custom3In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom3Like != null'>AND (<foreach item='item' collection='custom3Like' separator=' OR '>UPPER(t.CUSTOM_3) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom4In != null'>AND t.CUSTOM_4 IN(<foreach item='item' collection='custom4In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom4Like != null'>AND (<foreach item='item' collection='custom4Like' separator=' OR '>UPPER(t.CUSTOM_4) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom5In != null'>AND t.CUSTOM_5 IN(<foreach item='item' collection='custom5In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom5Like != null'>AND (<foreach item='item' collection='custom5Like' separator=' OR '>UPPER(t.CUSTOM_5) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom6In != null'>AND t.CUSTOM_6 IN(<foreach item='item' collection='custom6In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom6Like != null'>AND (<foreach item='item' collection='custom6Like' separator=' OR '>UPPER(t.CUSTOM_6) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom7In != null'>AND t.CUSTOM_7 IN(<foreach item='item' collection='custom7In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom7Like != null'>AND (<foreach item='item' collection='custom7Like' separator=' OR '>UPPER(t.CUSTOM_7) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom8In != null'>AND t.CUSTOM_8 IN(<foreach item='item' collection='custom8In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom8Like != null'>AND (<foreach item='item' collection='custom8Like' separator=' OR '>UPPER(t.CUSTOM_8) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom9In != null'>AND t.CUSTOM_9 IN(<foreach item='item' collection='custom9In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom9Like != null'>AND (<foreach item='item' collection='custom9Like' separator=' OR '>UPPER(t.CUSTOM_9) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom10In != null'>AND t.CUSTOM_10 IN(<foreach item='item' collection='custom10In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom10Like != null'>AND (<foreach item='item' collection='custom10Like' separator=' OR '>UPPER(t.CUSTOM_10) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom11In != null'>AND t.CUSTOM_11 IN(<foreach item='item' collection='custom11In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom11Like != null'>AND (<foreach item='item' collection='custom11Like' separator=' OR '>UPPER(t.CUSTOM_11) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom12In != null'>AND t.CUSTOM_12 IN(<foreach item='item' collection='custom12In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom12Like != null'>AND (<foreach item='item' collection='custom12Like' separator=' OR '>UPPER(t.CUSTOM_12) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom13In != null'>AND t.CUSTOM_13 IN(<foreach item='item' collection='custom13In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom13Like != null'>AND (<foreach item='item' collection='custom13Like' separator=' OR '>UPPER(t.CUSTOM_13) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom14In != null'>AND t.CUSTOM_14 IN(<foreach item='item' collection='custom14In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom14Like != null'>AND (<foreach item='item' collection='custom14Like' separator=' OR '>UPPER(t.CUSTOM_14) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom15In != null'>AND t.CUSTOM_15 IN(<foreach item='item' collection='custom15In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom15Like != null'>AND (<foreach item='item' collection='custom15Like' separator=' OR '>UPPER(t.CUSTOM_15) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom16In != null'>AND t.CUSTOM_16 IN(<foreach item='item' collection='custom16In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom16Like != null'>AND (<foreach item='item' collection='custom16Like' separator=' OR '>UPPER(t.CUSTOM_16) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationKeyIn != null'>AND a.CLASSIFICATION_KEY IN(<foreach item='item' collection='attachmentClassificationKeyIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationKeyLike != null'>AND (<foreach item='item' collection='attachmentClassificationKeyLike' separator=' OR '>UPPER(a.CLASSIFICATION_KEY) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationIdIn != null'>AND a.CLASSIFICATION_ID IN(<foreach item='item' collection='attachmentClassificationIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationIdLike != null'>AND (<foreach item='item' collection='attachmentclassificationIdLike' separator=' OR '>UPPER(a.CLASSIFICATION_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentChannelIn != null'>AND a.CHANNEL IN(<foreach item='item' collection='attachmentChannelIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentChannelLike != null'>AND (<foreach item='item' collection='attachmentChannelLike' separator=' OR '>UPPER(a.CHANNEL) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentReferenceIn != null'>AND a.REF_VALUE IN(<foreach item='item' collection='attachmentReferenceIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentReferenceLike != null'>AND (<foreach item='item' collection='attachmentReferenceLike' separator=' OR '>UPPER(a.REF_VALUE) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentReceivedIn !=null'> AND ( <foreach item='item' collection='attachmentReceivedIn' separator=' OR ' > ( <if test='item.begin!=null'> a.RECEIVED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> a.RECEIVED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='wildcardSearchValueLike != null and wildcardSearchFieldIn != null'>AND (<foreach item='item' collection='wildcardSearchFieldIn' separator=' OR '>UPPER(t.${item}) LIKE #{wildcardSearchValueLike}</foreach>)</if> "
-          + "</where> "
-          + "), Y (ID, FLAG) AS "
-          + "(SELECT ID, (SELECT 1 FROM WORKBASKET_ACCESS_LIST s WHERE "
-          + "<if test='accessIdIn != null'> "
-          + "s.ACCESS_ID IN (<foreach item='item' collection='accessIdIn' separator=',' >#{item}</foreach>) and "
-          + "</if>"
-          + "s.WORKBASKET_ID = X.WORKBASKET_ID AND "
-          + "s.perm_read = 1 "
-          + "fetch first 1 rows only "
-          + ") FROM X ) "
-          + "SELECT COUNT(*)  FROM Y WHERE FLAG = 1 "
-          + "with UR "
-          + "</script>")
+  @SelectProvider(type = TaskQuerySqlProvider.class, method = "countQueryTasksDb2")
   Long countQueryTasksDb2(TaskQueryImpl taskQuery);
 
-  @Select(
-      "<script>SELECT COUNT(ID) FROM OBJECT_REFERENCE "
-          + "<where>"
-          + "<if test='company != null'>AND COMPANY IN(<foreach item='item' collection='company' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='system != null'>AND SYSTEM IN(<foreach item='item' collection='system' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='systemInstance != null'>AND SYSTEM_INSTANCE IN(<foreach item='item' collection='systemInstance' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='type != null'>AND TYPE IN(<foreach item='item' collection='type' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='value != null'>AND VALUE IN(<foreach item='item' collection='value' separator=',' >#{item}</foreach>)</if> "
-          + "</where>"
-          + "<if test=\"_databaseId == 'db2'\">with UR </if> "
-          + "</script>")
+  @SelectProvider(type = TaskQuerySqlProvider.class, method = "countQueryObjectReferences")
   Long countQueryObjectReferences(ObjectReferenceQueryImpl objectReference);
 
-  @Select(
-      "<script>SELECT DISTINCT ${columnName} "
-          + "FROM TASK t "
-          + "<if test=\"joinWithAttachments\">"
-          + "LEFT JOIN ATTACHMENT AS a ON t.ID = a.TASK_ID "
-          + "</if>"
-          + "<if test=\"joinWithClassifications\">"
-          + "LEFT JOIN CLASSIFICATION AS c ON t.CLASSIFICATION_ID = c.ID "
-          + "</if>"
-          + "<if test=\"joinWithAttachmentClassifications\">"
-          + "LEFT JOIN CLASSIFICATION AS ac ON a.CLASSIFICATION_ID = ac.ID "
-          + "</if>"
-          + "<where>"
-          + "<if test='accessIdIn != null'> "
-          + "AND t.WORKBASKET_ID IN ( "
-          + "select WID from (select WORKBASKET_ID as WID, MAX(PERM_READ) as MAX_READ FROM WORKBASKET_ACCESS_LIST where "
-          + "ACCESS_ID IN (<foreach item='item' collection='accessIdIn' separator=',' >#{item}</foreach>) "
-          + "group by WORKBASKET_ID ) where max_read = 1 ) "
-          + "</if> "
-          + "<if test='taskIds != null'>AND t.ID IN(<foreach item='item' collection='taskIds' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='externalIdIn != null'>AND t.EXTERNAL_ID IN(<foreach item='item' collection='externalIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='externalIdLike != null'>AND (<foreach item='item' collection='externalIdLike' separator=' OR '>UPPER(t.EXTERNAL_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='createdIn !=null'> AND ( <foreach item='item' collection='createdIn' separator=' OR ' > ( <if test='item.begin!=null'> t.CREATED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.CREATED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='claimedIn !=null'> AND ( <foreach item='item' collection='claimedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.CLAIMED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.CLAIMED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='completedIn !=null'> AND ( <foreach item='item' collection='completedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.COMPLETED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.COMPLETED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='modifiedIn !=null'> AND ( <foreach item='item' collection='modifiedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.MODIFIED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.MODIFIED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='plannedIn !=null'> AND ( <foreach item='item' collection='plannedIn' separator=' OR ' > ( <if test='item.begin!=null'> t.PLANNED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.PLANNED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='dueIn !=null'> AND ( <foreach item='item' collection='dueIn' separator=' OR ' > ( <if test='item.begin!=null'> t.DUE &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> t.DUE &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "<if test='nameIn != null'>AND t.NAME IN(<foreach item='item' collection='nameIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='nameLike != null'>AND (<foreach item='item' collection='nameLike' separator=' OR '>UPPER(t.NAME) LIKE #{item}</foreach>)</if> "
-          + "<if test='creatorIn != null'>AND t.CREATOR IN(<foreach item='item' collection='creatorIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='creatorLike != null'>AND (<foreach item='item' collection='creatorLike' separator=' OR '>UPPER(t.CREATOR) LIKE #{item}</foreach>)</if> "
-          + "<if test='description != null'>AND (<foreach item='item' collection='description' separator=' OR '>t.DESCRIPTION LIKE #{item}</foreach>)</if> "
-          + "<if test='noteLike != null'>AND (<foreach item='item' collection='noteLike' separator=' OR '>UPPER(t.NOTE) LIKE #{item}</foreach>)</if> "
-          + "<if test='priority != null'>AND t.PRIORITY IN(<foreach item='item' collection='priority' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='stateIn != null'>AND t.STATE IN(<foreach item='item' collection='stateIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='callbackStateIn != null'>AND t.CALLBACK_STATE IN(<foreach item='item' collection='callbackStateIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='workbasketIdIn != null'>AND t.WORKBASKET_ID IN(<foreach item='item' collection='workbasketIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='workbasketKeyDomainIn != null'>AND (<foreach item='item' collection='workbasketKeyDomainIn' separator=' OR '>(t.WORKBASKET_KEY = #{item.key} AND t.DOMAIN = #{item.domain})</foreach>)</if> "
-          + "<if test='classificationKeyIn != null'>AND t.CLASSIFICATION_KEY IN(<foreach item='item' collection='classificationKeyIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationKeyNotIn != null'>AND t.CLASSIFICATION_KEY NOT IN(<foreach item='item' collection='classificationKeyNotIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationKeyLike != null'>AND (<foreach item='item' collection='classificationKeyLike' separator=' OR '>UPPER(t.CLASSIFICATION_KEY) LIKE #{item}</foreach>)</if> "
-          + "<if test='classificationIdIn != null'>AND t.CLASSIFICATION_ID IN(<foreach item='item' collection='classificationIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationCategoryIn != null'>AND t.CLASSIFICATION_CATEGORY IN(<foreach item='item' collection='classificationCategoryIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationCategoryLike != null'>AND (<foreach item='item' collection='classificationCategoryLike' separator=' OR '>UPPER(t.CLASSIFICATION_CATEGORY) LIKE #{item}</foreach>)</if> "
-          + "<if test='classificationNameIn != null'>AND c.NAME IN(<foreach item='item' collection='classificationNameIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='classificationNameLike != null'>AND (<foreach item='item' collection='classificationNameLike' separator=' OR '>UPPER(c.NAME) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationNameIn != null'>AND ac.NAME IN(<foreach item='item' collection='attachmentClassificationNameIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationNameLike != null'>AND (<foreach item='item' collection='attachmentClassificationNameLike' separator=' OR '>UPPER(ac.NAME) LIKE #{item}</foreach>)</if> "
-          + "<if test='ownerIn != null'>AND t.OWNER IN(<foreach item='item' collection='ownerIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='ownerLike != null'>AND (<foreach item='item' collection='ownerLike' separator=' OR '>UPPER(t.OWNER) LIKE #{item}</foreach>)</if> "
-          + "<if test='isRead != null'>AND t.IS_READ = #{isRead}</if> "
-          + "<if test='isTransferred != null'>AND t.IS_TRANSFERRED = #{isTransferred}</if> "
-          + "<if test='porCompanyIn != null'>AND t.POR_COMPANY IN(<foreach item='item' collection='porCompanyIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porCompanyLike != null'>AND (<foreach item='item' collection='porCompanyLike' separator=' OR '>UPPER(t.POR_COMPANY) LIKE #{item}</foreach>)</if> "
-          + "<if test='porSystemIn != null'>AND t.POR_SYSTEM IN(<foreach item='item' collection='porSystemIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porSystemLike != null'>AND (<foreach item='item' collection='porSystemLike' separator=' OR '>UPPER(t.POR_SYSTEM) LIKE #{item}</foreach>)</if> "
-          + "<if test='porSystemInstanceIn != null'>AND t.POR_INSTANCE IN(<foreach item='item' collection='porSystemInstanceIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porSystemInstanceLike != null'>AND (<foreach item='item' collection='porSystemInstanceLike' separator=' OR '>UPPER(t.POR_INSTANCE) LIKE #{item}</foreach>)</if> "
-          + "<if test='porTypeIn != null'>AND t.POR_TYPE IN(<foreach item='item' collection='porTypeIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porTypeLike != null'>AND (<foreach item='item' collection='porTypeLike' separator=' OR '>UPPER(t.POR_TYPE) LIKE #{item}</foreach>)</if> "
-          + "<if test='porValueIn != null'>AND t.POR_VALUE IN(<foreach item='item' collection='porValueIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='porValueLike != null'>AND (<foreach item='item' collection='porValueLike' separator=' OR '>UPPER(t.POR_VALUE) LIKE #{item}</foreach>)</if> "
-          + "<if test='parentBusinessProcessIdIn != null'>AND t.PARENT_BUSINESS_PROCESS_ID IN(<foreach item='item' collection='parentBusinessProcessIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='parentBusinessProcessIdLike != null'>AND (<foreach item='item' collection='parentBusinessProcessIdLike' separator=' OR '>UPPER(t.PARENT_BUSINESS_PROCESS_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='businessProcessIdIn != null'>AND t.BUSINESS_PROCESS_ID IN(<foreach item='item' collection='businessProcessIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='businessProcessIdLike != null'>AND (<foreach item='item' collection='businessProcessIdLike' separator=' OR '>UPPER(t.BUSINESS_PROCESS_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom1In != null'>AND t.CUSTOM_1 IN(<foreach item='item' collection='custom1In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom1Like != null'>AND (<foreach item='item' collection='custom1Like' separator=' OR '>UPPER(t.CUSTOM_1) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom2In != null'>AND t.CUSTOM_2 IN(<foreach item='item' collection='custom2In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom2Like != null'>AND (<foreach item='item' collection='custom2Like' separator=' OR '>UPPER(t.CUSTOM_2) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom3In != null'>AND t.CUSTOM_3 IN(<foreach item='item' collection='custom3In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom3Like != null'>AND (<foreach item='item' collection='custom3Like' separator=' OR '>UPPER(t.CUSTOM_3) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom4In != null'>AND t.CUSTOM_4 IN(<foreach item='item' collection='custom4In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom4Like != null'>AND (<foreach item='item' collection='custom4Like' separator=' OR '>UPPER(t.CUSTOM_4) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom5In != null'>AND t.CUSTOM_5 IN(<foreach item='item' collection='custom5In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom5Like != null'>AND (<foreach item='item' collection='custom5Like' separator=' OR '>UPPER(t.CUSTOM_5) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom6In != null'>AND t.CUSTOM_6 IN(<foreach item='item' collection='custom6In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom6Like != null'>AND (<foreach item='item' collection='custom6Like' separator=' OR '>UPPER(t.CUSTOM_6) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom7In != null'>AND t.CUSTOM_7 IN(<foreach item='item' collection='custom7In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom7Like != null'>AND (<foreach item='item' collection='custom7Like' separator=' OR '>UPPER(t.CUSTOM_7) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom8In != null'>AND t.CUSTOM_8 IN(<foreach item='item' collection='custom8In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom8Like != null'>AND (<foreach item='item' collection='custom8Like' separator=' OR '>UPPER(t.CUSTOM_8) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom9In != null'>AND t.CUSTOM_9 IN(<foreach item='item' collection='custom9In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom9Like != null'>AND (<foreach item='item' collection='custom9Like' separator=' OR '>UPPER(t.CUSTOM_9) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom10In != null'>AND t.CUSTOM_10 IN(<foreach item='item' collection='custom10In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom10Like != null'>AND (<foreach item='item' collection='custom10Like' separator=' OR '>UPPER(t.CUSTOM_10) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom11In != null'>AND t.CUSTOM_11 IN(<foreach item='item' collection='custom11In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom11Like != null'>AND (<foreach item='item' collection='custom11Like' separator=' OR '>UPPER(t.CUSTOM_11) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom12In != null'>AND t.CUSTOM_12 IN(<foreach item='item' collection='custom12In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom12Like != null'>AND (<foreach item='item' collection='custom12Like' separator=' OR '>UPPER(t.CUSTOM_12) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom13In != null'>AND t.CUSTOM_13 IN(<foreach item='item' collection='custom13In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom13Like != null'>AND (<foreach item='item' collection='custom13Like' separator=' OR '>UPPER(t.CUSTOM_13) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom14In != null'>AND t.CUSTOM_14 IN(<foreach item='item' collection='custom14In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom14Like != null'>AND (<foreach item='item' collection='custom14Like' separator=' OR '>UPPER(t.CUSTOM_14) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom15In != null'>AND t.CUSTOM_15 IN(<foreach item='item' collection='custom15In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom15Like != null'>AND (<foreach item='item' collection='custom15Like' separator=' OR '>UPPER(t.CUSTOM_15) LIKE #{item}</foreach>)</if> "
-          + "<if test='custom16In != null'>AND t.CUSTOM_16 IN(<foreach item='item' collection='custom16In' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='custom16Like != null'>AND (<foreach item='item' collection='custom16Like' separator=' OR '>UPPER(t.CUSTOM_16) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationKeyIn != null'>AND a.CLASSIFICATION_KEY IN(<foreach item='item' collection='attachmentClassificationKeyIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationKeyLike != null'>AND (<foreach item='item' collection='attachmentClassificationKeyLike' separator=' OR '>UPPER(a.CLASSIFICATION_KEY) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationIdIn != null'>AND a.CLASSIFICATION_ID IN(<foreach item='item' collection='attachmentClassificationIdIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentClassificationIdLike != null'>AND (<foreach item='item' collection='attachmentclassificationIdLike' separator=' OR '>UPPER(a.CLASSIFICATION_ID) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentChannelIn != null'>AND a.CHANNEL IN(<foreach item='item' collection='attachmentChannelIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentChannelLike != null'>AND (<foreach item='item' collection='attachmentChannelLike' separator=' OR '>UPPER(a.CHANNEL) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentReferenceIn != null'>AND a.REF_VALUE IN(<foreach item='item' collection='attachmentReferenceIn' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='attachmentReferenceLike != null'>AND (<foreach item='item' collection='attachmentReferenceLike' separator=' OR '>UPPER(a.REF_VALUE) LIKE #{item}</foreach>)</if> "
-          + "<if test='attachmentReceivedIn !=null'> AND ( <foreach item='item' collection='attachmentReceivedIn' separator=' OR ' > ( <if test='item.begin!=null'> a.RECEIVED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> a.RECEIVED &lt;=#{item.end} </if>)</foreach>)</if> "
-          + "</where>"
-          + "<if test='!orderBy.isEmpty()'>ORDER BY <foreach item='item' collection='orderBy' separator=',' >"
-          + "<choose>"
-          + "<when test=\"item.contains('TCLASSIFICATION_KEY ASC')\">"
-          + "t.CLASSIFICATION_KEY ASC"
-          + "</when>"
-          + "<when test=\"item.contains('TCLASSIFICATION_KEY DESC')\">"
-          + "t.CLASSIFICATION_KEY DESC"
-          + "</when>"
-          + "<when test=\"item.contains('ACLASSIFICATION_KEY ASC')\">"
-          + "a.CLASSIFICATION_KEY ASC"
-          + "</when>"
-          + "<when test=\"item.contains('ACLASSIFICATION_KEY DESC')\">"
-          + "a.CLASSIFICATION_KEY DESC"
-          + "</when>"
-          + "<when test=\"item.contains('ACLASSIFICATION_ID ASC')\">"
-          + "a.CLASSIFICATION_ID ASC"
-          + "</when>"
-          + "<when test=\"item.contains('ACLASSIFICATION_ID DESC')\">"
-          + "a.CLASSIFICATION_ID DESC"
-          + "</when>"
-          + "<when test=\"item.contains('CLASSIFICATION_NAME DESC')\">"
-          + "c.NAME DESC"
-          + "</when>"
-          + "<when test=\"item.contains('CLASSIFICATION_NAME ASC')\">"
-          + "c.NAME ASC"
-          + "</when>"
-          + "<when test=\"item.contains('A_CLASSIFICATION_NAME DESC')\">"
-          + "ac.NAME DESC"
-          + "</when>"
-          + "<when test=\"item.contains('A_CLASSIFICATION_NAME ASC')\">"
-          + "ac.NAME ASC"
-          + "</when>"
-          + "<otherwise>"
-          + "${item}"
-          + "</otherwise>"
-          + "</choose>"
-          + "</foreach></if> "
-          + "<if test=\"_databaseId == 'db2'\">with UR </if> "
-          + "</script>")
+  @SelectProvider(type = TaskQuerySqlProvider.class, method = "queryTaskColumnValues")
   List<String> queryTaskColumnValues(TaskQueryImpl taskQuery);
 
-  @Select(
-      "<script>SELECT DISTINCT ${columnName} "
-          + "FROM OBJECT_REFERENCE "
-          + "<where>"
-          + "<if test='company != null'>AND COMPANY IN(<foreach item='item' collection='company' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='system != null'>AND SYSTEM IN(<foreach item='item' collection='system' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='systemInstance != null'>AND SYSTEM_INSTANCE IN(<foreach item='item' collection='systemInstance' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='type != null'>AND TYPE IN(<foreach item='item' collection='type' separator=',' >#{item}</foreach>)</if> "
-          + "<if test='value != null'>AND VALUE IN(<foreach item='item' collection='value' separator=',' >#{item}</foreach>)</if> "
-          + "</where>"
-          + "<if test=\"_databaseId == 'db2'\">with UR </if> "
-          + "</script>")
+  @SelectProvider(type = TaskQuerySqlProvider.class, method = "queryObjectReferenceColumnValues")
   List<String> queryObjectReferenceColumnValues(ObjectReferenceQueryImpl objectReference);
 }

lib/taskana-core/src/main/java/pro/taskana/task/internal/TaskQuerySqlProvider.java

@@ -0,0 +1,476 @@
+package pro.taskana.task.internal;
+
+import java.util.stream.IntStream;
+
+@SuppressWarnings({"checkstyle:LineLength", "checkstyle:Indentation"})
+public class TaskQuerySqlProvider {
+  private static final String OPENING_SCRIPT_TAG = "<script>";
+  private static final String CLOSING_SCRIPT_TAG = "</script>";
+  private static final String OPENING_WHERE_TAG = "<where>";
+  private static final String CLOSING_WHERE_TAG = "</where>";
+
+  private TaskQuerySqlProvider() {}
+
+  public static String queryTaskSummaries() {
+    return OPENING_SCRIPT_TAG
+        + "SELECT <if test=\"useDistinctKeyword\">DISTINCT</if> t.ID, t.EXTERNAL_ID, t.CREATED, t.CLAIMED, t.COMPLETED, t.MODIFIED, t.PLANNED, t.DUE, t.NAME, t.CREATOR, t.DESCRIPTION, t.NOTE, t.PRIORITY, t.STATE, t.CLASSIFICATION_KEY, "
+        + "t.CLASSIFICATION_CATEGORY, t.CLASSIFICATION_ID, t.WORKBASKET_ID, t.DOMAIN, t.WORKBASKET_KEY, t.BUSINESS_PROCESS_ID, t.PARENT_BUSINESS_PROCESS_ID, t.OWNER, t.POR_COMPANY, t.POR_SYSTEM, t.POR_INSTANCE, t.POR_TYPE, "
+        + "t.POR_VALUE, t.IS_READ, t.IS_TRANSFERRED, t.CUSTOM_1, t.CUSTOM_2, t.CUSTOM_3, t.CUSTOM_4, t.CUSTOM_5, t.CUSTOM_6, t.CUSTOM_7, t.CUSTOM_8, t.CUSTOM_9, t.CUSTOM_10, t.CUSTOM_11, t.CUSTOM_12, t.CUSTOM_13, t.CUSTOM_14, t.CUSTOM_15, t.CUSTOM_16"
+        + "<if test=\"addAttachmentColumnsToSelectClauseForOrdering\">"
+        + ", a.CLASSIFICATION_ID, a.CLASSIFICATION_KEY, a.CHANNEL, a.REF_VALUE, a.RECEIVED"
+        + "</if>"
+        + "<if test=\"addClassificationNameToSelectClauseForOrdering\">"
+        + ", c.NAME "
+        + "</if>"
+        + "<if test=\"addAttachmentClassificationNameToSelectClauseForOrdering\">"
+        + ", ac.NAME "
+        + "</if>"
+        + "<if test=\"addWorkbasketNameToSelectClauseForOrdering\">"
+        + ", w.NAME "
+        + "</if>"
+        + "FROM TASK t "
+        + "<if test=\"joinWithAttachments\">"
+        + "LEFT JOIN ATTACHMENT AS a ON t.ID = a.TASK_ID "
+        + "</if>"
+        + "<if test=\"joinWithClassifications\">"
+        + "LEFT JOIN CLASSIFICATION AS c ON t.CLASSIFICATION_ID = c.ID "
+        + "</if>"
+        + "<if test=\"joinWithAttachmentClassifications\">"
+        + "LEFT JOIN CLASSIFICATION AS ac ON a.CLASSIFICATION_ID = ac.ID "
+        + "</if>"
+        + "<if test=\"joinWithWorkbaskets\">"
+        + "LEFT JOIN WORKBASKET AS w ON t.WORKBASKET_ID = w.ID "
+        + "</if>"
+        + OPENING_WHERE_TAG
+        + "<if test='accessIdIn != null'> "
+        + "AND t.WORKBASKET_ID IN ( "
+        + "SELECT WID from (SELECT WORKBASKET_ID as WID, MAX(PERM_READ::int) as MAX_READ FROM WORKBASKET_ACCESS_LIST AS s where "
+        + "ACCESS_ID IN (<foreach item='item' collection='accessIdIn' separator=',' >#{item}</foreach>) "
+        + "group by WORKBASKET_ID ) AS f where max_read = 1 ) "
+        + "</if> "
+        + commonTaskWhereStatement()
+        + "<if test='wildcardSearchValueLike != null and wildcardSearchFieldIn != null'>AND (<foreach item='item' collection='wildcardSearchFieldIn' separator=' OR '>UPPER(t.${item}) LIKE #{wildcardSearchValueLike}</foreach>)</if> "
+        + commonTaskObjectReferenceWhereStatement()
+        + "<if test='selectAndClaim == true'> AND t.STATE = 'READY' </if>"
+        + CLOSING_WHERE_TAG
+        + "<if test='!orderBy.isEmpty()'>ORDER BY <foreach item='item' collection='orderBy' separator=',' >${item}</foreach></if> "
+        + "<if test='selectAndClaim == true'> FETCH FIRST ROW ONLY FOR UPDATE </if>"
+        + "<if test=\"_databaseId == 'db2'\">WITH RS USE AND KEEP UPDATE LOCKS </if> "
+        + CLOSING_SCRIPT_TAG;
+  }
+
+  public static String queryTaskSummariesDb2() {
+    return OPENING_SCRIPT_TAG
+        + "WITH X (ID, EXTERNAL_ID, CREATED, CLAIMED, COMPLETED, MODIFIED, PLANNED, DUE, NAME, CREATOR, DESCRIPTION, NOTE, PRIORITY, STATE, TCLASSIFICATION_KEY, "
+        + "CLASSIFICATION_CATEGORY, CLASSIFICATION_ID, WORKBASKET_ID, DOMAIN, WORKBASKET_KEY, BUSINESS_PROCESS_ID, PARENT_BUSINESS_PROCESS_ID, OWNER, "
+        + "POR_COMPANY, POR_SYSTEM, POR_INSTANCE, POR_TYPE, POR_VALUE, IS_READ, IS_TRANSFERRED, CUSTOM_1, CUSTOM_2, CUSTOM_3, CUSTOM_4, CUSTOM_5, "
+        + "CUSTOM_6, CUSTOM_7, CUSTOM_8, CUSTOM_9, CUSTOM_10, CUSTOM_11, CUSTOM_12, CUSTOM_13, CUSTOM_14, CUSTOM_15, CUSTOM_16"
+        + "<if test=\"addAttachmentColumnsToSelectClauseForOrdering\">"
+        + ", ACLASSIFICATION_ID, ACLASSIFICATION_KEY, CHANNEL, REF_VALUE, RECEIVED"
+        + "</if>"
+        + "<if test=\"addClassificationNameToSelectClauseForOrdering\">"
+        + ", CNAME "
+        + "</if>"
+        + "<if test=\"addAttachmentClassificationNameToSelectClauseForOrdering\">"
+        + ", ACNAME "
+        + "</if>"
+        + "<if test=\"addWorkbasketNameToSelectClauseForOrdering\">"
+        + ", WNAME "
+        + "</if>"
+        + " ) "
+        + " AS (SELECT <if test=\"useDistinctKeyword\">DISTINCT</if> t.ID, t.EXTERNAL_ID, t.CREATED, t.CLAIMED, t.COMPLETED, t.MODIFIED, t.PLANNED, t.DUE, t.NAME, t.CREATOR, t.DESCRIPTION, t.NOTE, t.PRIORITY, t.STATE, t.CLASSIFICATION_KEY, "
+        + " t.CLASSIFICATION_CATEGORY, t.CLASSIFICATION_ID, t.WORKBASKET_ID, t.DOMAIN, t.WORKBASKET_KEY, t.BUSINESS_PROCESS_ID, t.PARENT_BUSINESS_PROCESS_ID, t.OWNER, "
+        + "t.POR_COMPANY, t.POR_SYSTEM, t.POR_INSTANCE, t.POR_TYPE, t.POR_VALUE, t.IS_READ, t.IS_TRANSFERRED, t.CUSTOM_1, t.CUSTOM_2, t.CUSTOM_3, t.CUSTOM_4, t.CUSTOM_5, "
+        + "t.CUSTOM_6, t.CUSTOM_7, t.CUSTOM_8, t.CUSTOM_9, t.CUSTOM_10, t.CUSTOM_11, t.CUSTOM_12, t.CUSTOM_13, t.CUSTOM_14, t.CUSTOM_15, t.CUSTOM_16"
+        + "<if test=\"addAttachmentColumnsToSelectClauseForOrdering\">"
+        + ", a.CLASSIFICATION_ID, a.CLASSIFICATION_KEY, a.CHANNEL, a.REF_VALUE, a.RECEIVED"
+        + "</if>"
+        + "<if test=\"addClassificationNameToSelectClauseForOrdering\">"
+        + ", c.NAME "
+        + "</if>"
+        + "<if test=\"addAttachmentClassificationNameToSelectClauseForOrdering\">"
+        + ", ac.NAME "
+        + "</if>"
+        + "<if test=\"addWorkbasketNameToSelectClauseForOrdering\">"
+        + ", w.NAME "
+        + "</if>"
+        + " FROM TASK t "
+        + "<if test=\"joinWithAttachments\">"
+        + "LEFT JOIN ATTACHMENT a ON t.ID = a.TASK_ID "
+        + "</if>"
+        + "<if test=\"joinWithClassifications\">"
+        + "LEFT JOIN CLASSIFICATION AS c ON t.CLASSIFICATION_ID = c.ID "
+        + "</if>"
+        + "<if test=\"joinWithAttachmentClassifications\">"
+        + "LEFT JOIN CLASSIFICATION AS ac ON a.CLASSIFICATION_ID = ac.ID "
+        + "</if>"
+        + "<if test=\"joinWithWorkbaskets\">"
+        + "LEFT JOIN WORKBASKET AS w ON t.WORKBASKET_ID = w.ID "
+        + "</if>"
+        + OPENING_WHERE_TAG
+        + commonTaskWhereStatement()
+        + commonTaskObjectReferenceWhereStatement()
+        + "<if test='wildcardSearchValueLike != null and wildcardSearchFieldIn != null'>AND (<foreach item='item' collection='wildcardSearchFieldIn' separator=' OR '>UPPER(t.${item}) LIKE #{wildcardSearchValueLike}</foreach>)</if> "
+        + CLOSING_WHERE_TAG
+        + "), Y (ID, EXTERNAL_ID, CREATED, CLAIMED, COMPLETED, MODIFIED, PLANNED, DUE, NAME, CREATOR, DESCRIPTION, NOTE, PRIORITY, STATE, TCLASSIFICATION_KEY, "
+        + " CLASSIFICATION_CATEGORY, CLASSIFICATION_ID, WORKBASKET_ID, DOMAIN, WORKBASKET_KEY, BUSINESS_PROCESS_ID, PARENT_BUSINESS_PROCESS_ID, OWNER, "
+        + "POR_COMPANY, POR_SYSTEM, POR_INSTANCE, POR_TYPE, POR_VALUE, IS_READ, IS_TRANSFERRED, CUSTOM_1, CUSTOM_2, CUSTOM_3, CUSTOM_4, CUSTOM_5, "
+        + "CUSTOM_6, CUSTOM_7, CUSTOM_8, CUSTOM_9, CUSTOM_10, CUSTOM_11, CUSTOM_12, CUSTOM_13, CUSTOM_14, CUSTOM_15, CUSTOM_16"
+        + "<if test=\"addAttachmentColumnsToSelectClauseForOrdering\">"
+        + ", ACLASSIFICATION_ID, ACLASSIFICATION_KEY, CHANNEL, REF_VALUE, RECEIVED"
+        + "</if>"
+        + "<if test=\"addClassificationNameToSelectClauseForOrdering\">"
+        + ", CNAME "
+        + "</if>"
+        + "<if test=\"addAttachmentClassificationNameToSelectClauseForOrdering\">"
+        + ", ACNAME "
+        + "</if>"
+        + "<if test=\"addWorkbasketNameToSelectClauseForOrdering\">"
+        + ", WNAME "
+        + "</if>"
+        + ", FLAG ) "
+        + "AS "
+        + "(SELECT ID, EXTERNAL_ID, CREATED, CLAIMED, COMPLETED, MODIFIED, PLANNED, DUE, NAME, CREATOR, DESCRIPTION, NOTE, PRIORITY, STATE, TCLASSIFICATION_KEY, "
+        + " CLASSIFICATION_CATEGORY, CLASSIFICATION_ID, WORKBASKET_ID, DOMAIN, WORKBASKET_KEY, BUSINESS_PROCESS_ID, PARENT_BUSINESS_PROCESS_ID, OWNER, "
+        + "POR_COMPANY, POR_SYSTEM, POR_INSTANCE, POR_TYPE, POR_VALUE, IS_READ, IS_TRANSFERRED, CUSTOM_1, CUSTOM_2, CUSTOM_3, CUSTOM_4, CUSTOM_5, "
+        + "CUSTOM_6, CUSTOM_7, CUSTOM_8, CUSTOM_9, CUSTOM_10, CUSTOM_11, CUSTOM_12, CUSTOM_13, CUSTOM_14, CUSTOM_15, CUSTOM_16"
+        + "<if test=\"addAttachmentColumnsToSelectClauseForOrdering\">"
+        + ", ACLASSIFICATION_ID, ACLASSIFICATION_KEY, CHANNEL, REF_VALUE, RECEIVED"
+        + "</if>"
+        + "<if test=\"addClassificationNameToSelectClauseForOrdering\">"
+        + ", CNAME "
+        + "</if>"
+        + "<if test=\"addAttachmentClassificationNameToSelectClauseForOrdering\">"
+        + ", ACNAME "
+        + "</if>"
+        + "<if test=\"addWorkbasketNameToSelectClauseForOrdering\">"
+        + ", WNAME "
+        + "</if>"
+        + ", (SELECT 1 FROM WORKBASKET_ACCESS_LIST s WHERE "
+        + "<if test='accessIdIn != null'> "
+        + "s.ACCESS_ID IN (<foreach item='item' collection='accessIdIn' separator=',' >#{item}</foreach>) and "
+        + "</if>"
+        + "s.WORKBASKET_ID = X.WORKBASKET_ID AND "
+        + "s.perm_read = 1 "
+        + "fetch first 1 rows only "
+        + ") FROM X )"
+        + "SELECT ID, EXTERNAL_ID, CREATED, CLAIMED, COMPLETED, MODIFIED, PLANNED, DUE, NAME, CREATOR, DESCRIPTION, NOTE, PRIORITY, STATE, TCLASSIFICATION_KEY, "
+        + " CLASSIFICATION_CATEGORY, CLASSIFICATION_ID, WORKBASKET_ID, DOMAIN, WORKBASKET_KEY, BUSINESS_PROCESS_ID, PARENT_BUSINESS_PROCESS_ID, OWNER, "
+        + "POR_COMPANY, POR_SYSTEM, POR_INSTANCE, POR_TYPE, POR_VALUE, IS_READ, IS_TRANSFERRED, CUSTOM_1, CUSTOM_2, CUSTOM_3, CUSTOM_4, CUSTOM_5, "
+        + "CUSTOM_6, CUSTOM_7, CUSTOM_8, CUSTOM_9, CUSTOM_10, CUSTOM_11, CUSTOM_12, CUSTOM_13, CUSTOM_14, CUSTOM_15, CUSTOM_16"
+        + "<if test=\"addAttachmentColumnsToSelectClauseForOrdering\">"
+        + ", ACLASSIFICATION_ID, ACLASSIFICATION_KEY, CHANNEL, REF_VALUE, RECEIVED "
+        + "</if>"
+        + "<if test=\"addClassificationNameToSelectClauseForOrdering\">"
+        + ", CNAME "
+        + "</if>"
+        + "<if test=\"addAttachmentClassificationNameToSelectClauseForOrdering\">"
+        + ", ACNAME "
+        + "</if>"
+        + "<if test=\"addWorkbasketNameToSelectClauseForOrdering\">"
+        + ", WNAME "
+        + "</if>"
+        + " FROM Y WHERE FLAG = 1 "
+        + "<if test='!orderBy.isEmpty()'>ORDER BY <foreach item='item' collection='orderBy' separator=',' >"
+        + "${item}"
+        + "</foreach>"
+        + "</if> "
+        + "<if test='selectAndClaim == true'>FETCH FIRST ROW ONLY FOR UPDATE WITH RS USE AND KEEP UPDATE LOCKS</if>"
+        + "<if test='selectAndClaim == false'> with UR</if>"
+        + CLOSING_SCRIPT_TAG;
+  }
+
+  public static String queryObjectReferences() {
+    return OPENING_SCRIPT_TAG
+        + "SELECT ID, COMPANY, SYSTEM, SYSTEM_INSTANCE, TYPE, VALUE "
+        + "FROM OBJECT_REFERENCE "
+        + OPENING_WHERE_TAG
+        + commonObjectReferenceWhereStatement()
+        + CLOSING_WHERE_TAG
+        + "<if test=\"_databaseId == 'db2'\">with UR </if> "
+        + CLOSING_SCRIPT_TAG;
+  }
+
+  public static String countQueryTasks() {
+    return OPENING_SCRIPT_TAG
+        + "SELECT COUNT( <if test=\"useDistinctKeyword\">DISTINCT</if>  t.ID) FROM TASK t "
+        + "<if test=\"joinWithAttachments\">"
+        + "LEFT JOIN ATTACHMENT AS a ON t.ID = a.TASK_ID "
+        + "</if>"
+        + "<if test=\"joinWithClassifications\">"
+        + "LEFT JOIN CLASSIFICATION AS c ON t.CLASSIFICATION_ID = c.ID "
+        + "</if>"
+        + "<if test=\"joinWithAttachmentClassifications\">"
+        + "LEFT JOIN CLASSIFICATION AS ac ON a.CLASSIFICATION_ID = ac.ID "
+        + "</if>"
+        + OPENING_WHERE_TAG
+        + "<if test='accessIdIn != null'> "
+        + "AND t.WORKBASKET_ID IN ( "
+        + "select WID from (select WORKBASKET_ID as WID, MAX(PERM_READ::int) as MAX_READ FROM WORKBASKET_ACCESS_LIST AS s where "
+        + "ACCESS_ID IN (<foreach item='item' collection='accessIdIn' separator=',' >#{item}</foreach>) "
+        + "group by WORKBASKET_ID ) AS f where max_read = 1 ) "
+        + "</if> "
+        + commonTaskWhereStatement()
+        + commonTaskObjectReferenceWhereStatement()
+        + "<if test='wildcardSearchValueLike != null and wildcardSearchFieldIn != null'>AND (<foreach item='item' collection='wildcardSearchFieldIn' separator=' OR '>UPPER(t.${item}) LIKE #{wildcardSearchValueLike}</foreach>)</if> "
+        + CLOSING_WHERE_TAG
+        + CLOSING_SCRIPT_TAG;
+  }
+
+  public static String countQueryTasksDb2() {
+    return OPENING_SCRIPT_TAG
+        + "WITH X (ID, WORKBASKET_ID) AS (SELECT <if test=\"useDistinctKeyword\">DISTINCT</if> t.ID, t.WORKBASKET_ID FROM TASK t "
+        + "<if test=\"joinWithAttachments\">"
+        + "LEFT JOIN ATTACHMENT AS a ON t.ID = a.TASK_ID "
+        + "</if>"
+        + "<if test=\"joinWithClassifications\">"
+        + "LEFT JOIN CLASSIFICATION AS c ON t.CLASSIFICATION_ID = c.ID "
+        + "</if>"
+        + "<if test=\"joinWithAttachmentClassifications\">"
+        + "LEFT JOIN CLASSIFICATION AS ac ON a.CLASSIFICATION_ID = ac.ID "
+        + "</if>"
+        + OPENING_WHERE_TAG
+        + commonTaskWhereStatement()
+        + commonTaskObjectReferenceWhereStatement()
+        + "<if test='wildcardSearchValueLike != null and wildcardSearchFieldIn != null'>AND (<foreach item='item' collection='wildcardSearchFieldIn' separator=' OR '>UPPER(t.${item}) LIKE #{wildcardSearchValueLike}</foreach>)</if> "
+        + CLOSING_WHERE_TAG
+        + "), Y (ID, FLAG) AS "
+        + "(SELECT ID, (SELECT 1 FROM WORKBASKET_ACCESS_LIST s WHERE "
+        + "<if test='accessIdIn != null'> "
+        + "s.ACCESS_ID IN (<foreach item='item' collection='accessIdIn' separator=',' >#{item}</foreach>) and "
+        + "</if>"
+        + "s.WORKBASKET_ID = X.WORKBASKET_ID AND "
+        + "s.perm_read = 1 "
+        + "fetch first 1 rows only "
+        + ") FROM X ) "
+        + "SELECT COUNT(*)  FROM Y WHERE FLAG = 1 "
+        + "with UR "
+        + CLOSING_SCRIPT_TAG;
+  }
+
+  public static String countQueryObjectReferences() {
+    return OPENING_SCRIPT_TAG
+        + "SELECT COUNT(ID) FROM OBJECT_REFERENCE "
+        + OPENING_WHERE_TAG
+        + commonObjectReferenceWhereStatement()
+        + CLOSING_WHERE_TAG
+        + "<if test=\"_databaseId == 'db2'\">with UR </if> "
+        + CLOSING_SCRIPT_TAG;
+  }
+
+  public static String queryTaskColumnValues() {
+    return OPENING_SCRIPT_TAG
+        + "SELECT DISTINCT ${columnName} "
+        + "FROM TASK t "
+        + "<if test=\"joinWithAttachments\">"
+        + "LEFT JOIN ATTACHMENT AS a ON t.ID = a.TASK_ID "
+        + "</if>"
+        + "<if test=\"joinWithClassifications\">"
+        + "LEFT JOIN CLASSIFICATION AS c ON t.CLASSIFICATION_ID = c.ID "
+        + "</if>"
+        + "<if test=\"joinWithAttachmentClassifications\">"
+        + "LEFT JOIN CLASSIFICATION AS ac ON a.CLASSIFICATION_ID = ac.ID "
+        + "</if>"
+        + OPENING_WHERE_TAG
+        + "<if test='accessIdIn != null'> "
+        + "AND t.WORKBASKET_ID IN ( "
+        + "select WID from (select WORKBASKET_ID as WID, MAX(PERM_READ) as MAX_READ FROM WORKBASKET_ACCESS_LIST where "
+        + "ACCESS_ID IN (<foreach item='item' collection='accessIdIn' separator=',' >#{item}</foreach>) "
+        + "group by WORKBASKET_ID ) where max_read = 1 ) "
+        + "</if> "
+        + commonTaskWhereStatement()
+        + CLOSING_WHERE_TAG
+        + "<if test='!orderBy.isEmpty()'>ORDER BY <foreach item='item' collection='orderBy' separator=',' >"
+        + "<choose>"
+        + "<when test=\"item.contains('TCLASSIFICATION_KEY ASC')\">"
+        + "t.CLASSIFICATION_KEY ASC"
+        + "</when>"
+        + "<when test=\"item.contains('TCLASSIFICATION_KEY DESC')\">"
+        + "t.CLASSIFICATION_KEY DESC"
+        + "</when>"
+        + "<when test=\"item.contains('ACLASSIFICATION_KEY ASC')\">"
+        + "a.CLASSIFICATION_KEY ASC"
+        + "</when>"
+        + "<when test=\"item.contains('ACLASSIFICATION_KEY DESC')\">"
+        + "a.CLASSIFICATION_KEY DESC"
+        + "</when>"
+        + "<when test=\"item.contains('ACLASSIFICATION_ID ASC')\">"
+        + "a.CLASSIFICATION_ID ASC"
+        + "</when>"
+        + "<when test=\"item.contains('ACLASSIFICATION_ID DESC')\">"
+        + "a.CLASSIFICATION_ID DESC"
+        + "</when>"
+        + "<when test=\"item.contains('CLASSIFICATION_NAME DESC')\">"
+        + "c.NAME DESC"
+        + "</when>"
+        + "<when test=\"item.contains('CLASSIFICATION_NAME ASC')\">"
+        + "c.NAME ASC"
+        + "</when>"
+        + "<when test=\"item.contains('A_CLASSIFICATION_NAME DESC')\">"
+        + "ac.NAME DESC"
+        + "</when>"
+        + "<when test=\"item.contains('A_CLASSIFICATION_NAME ASC')\">"
+        + "ac.NAME ASC"
+        + "</when>"
+        + "<otherwise>"
+        + "${item}"
+        + "</otherwise>"
+        + "</choose>"
+        + "</foreach></if> "
+        + "<if test=\"_databaseId == 'db2'\">with UR </if> "
+        + CLOSING_SCRIPT_TAG;
+  }
+
+  public static String queryObjectReferenceColumnValues() {
+    return OPENING_SCRIPT_TAG
+        + "SELECT DISTINCT ${columnName} "
+        + "FROM OBJECT_REFERENCE "
+        + OPENING_WHERE_TAG
+        + commonObjectReferenceWhereStatement()
+        + CLOSING_WHERE_TAG
+        + "<if test=\"_databaseId == 'db2'\">with UR </if> "
+        + CLOSING_SCRIPT_TAG;
+  }
+
+  private static String commonTaskObjectReferenceWhereStatement() {
+    return "<if test='objectReferences != null'>"
+        + "AND (<foreach item='item' collection='objectReferences' separator=' OR '> "
+        + "<if test='item.company != null'>t.POR_COMPANY = #{item.company} </if>"
+        + "<if test='item.system != null'> <if test='item.company != null'>AND</if> t.POR_SYSTEM = #{item.system} </if>"
+        + "<if test='item.systemInstance != null'> <if test='item.company != null or item.system != null'>AND</if> t.POR_INSTANCE = #{item.systemInstance} </if>"
+        + "<if test='item.type != null'> <if test='item.company != null or item.system != null or item.systemInstance != null'>AND</if> t.POR_TYPE = #{item.type} </if>"
+        + "<if test='item.value != null'> <if test='item.company != null or item.system != null or item.systemInstance != null or item.type != null'>AND</if> t.POR_VALUE = #{item.value} </if>"
+        + "</foreach>)</if>";
+  }
+
+  private static String commonObjectReferenceWhereStatement() {
+    StringBuilder sb = new StringBuilder();
+    whereIn("company", "COMPANY", sb);
+    whereIn("system", "SYSTEM", sb);
+    whereIn("systemInstance", "SYSTEM_INSTANCE", sb);
+    whereIn("type", "TYPE", sb);
+    whereIn("value", "VALUE", sb);
+    return sb.toString();
+  }
+
+  private static String commonTaskWhereStatement() {
+    StringBuilder sb = new StringBuilder();
+    whereIn("taskIds", "t.ID", sb);
+    whereIn("priority", "PRIORITY", sb);
+    whereIn("externalIdIn", "t.EXTERNAL_ID", sb);
+    whereIn("nameIn", "t.NAME", sb);
+    whereIn("creatorIn", "CREATOR", sb);
+    whereIn("stateIn", "STATE", sb);
+    whereIn("callbackStateIn", "t.CALLBACK_STATE", sb);
+    whereIn("workbasketIdIn", "WORKBASKET_ID", sb);
+    whereIn("classificationKeyIn", "t.CLASSIFICATION_KEY", sb);
+    whereIn("classificationIdIn", "t.CLASSIFICATION_ID", sb);
+    whereIn("classificationCategoryIn", "CLASSIFICATION_CATEGORY", sb);
+    whereIn("classificationNameIn", "c.NAME", sb);
+    whereIn("attachmentClassificationNameIn", "ac.NAME", sb);
+    whereIn("ownerIn", "OWNER", sb);
+    whereIn("porCompanyIn", "POR_COMPANY", sb);
+    whereIn("porSystemIn", "POR_SYSTEM", sb);
+    whereIn("porSystemInstanceIn", "POR_INSTANCE", sb);
+    whereIn("porTypeIn", "POR_TYPE", sb);
+    whereIn("porValueIn", "POR_VALUE", sb);
+    whereIn("parentBusinessProcessIdIn", "PARENT_BUSINESS_PROCESS_ID", sb);
+    whereIn("businessProcessIdIn", "BUSINESS_PROCESS_ID", sb);
+    whereIn("attachmentClassificationKeyIn", "a.CLASSIFICATION_KEY", sb);
+    whereIn("attachmentClassificationIdIn", "a.CLASSIFICATION_ID", sb);
+    whereIn("attachmentChannelIn", "a.CHANNEL", sb);
+    whereIn("attachmentReferenceIn", "a.REF_VALUE", sb);
+    whereInTime("createdIn", "t.CREATED", sb);
+    whereInTime("claimedIn", "t.CLAIMED", sb);
+    whereInTime("completedIn", "t.COMPLETED", sb);
+    whereInTime("modifiedIn", "t.MODIFIED", sb);
+    whereInTime("plannedIn", "t.PLANNED", sb);
+    whereInTime("dueIn", "t.DUE", sb);
+    whereInTime("attachmentReceivedIn", "a.RECEIVED", sb);
+    whereNotIn("classificationKeyNotIn", "t.CLASSIFICATION_KEY", sb);
+    whereLike("externalIdLike", "t.EXTERNAL_ID", sb);
+    whereLike("nameLike", "t.NAME", sb);
+    whereLike("creatorLike", "CREATOR", sb);
+    whereLike("noteLike", "NOTE", sb);
+    whereLike("classificationKeyLike", "t.CLASSIFICATION_KEY", sb);
+    whereLike("classificationCategoryLike", "CLASSIFICATION_CATEGORY", sb);
+    whereLike("classificationNameLike", "c.NAME", sb);
+    whereLike("attachmentClassificationNameLike", "ac.NAME", sb);
+    whereLike("ownerLike", "OWNER", sb);
+    whereLike("porCompanyLike", "POR_COMPANY", sb);
+    whereLike("porSystemLike", "POR_SYSTEM", sb);
+    whereLike("porSystemInstanceLike", "POR_INSTANCE", sb);
+    whereLike("porTypeLike", "POR_TYPE", sb);
+    whereLike("porValueLike", "POR_VALUE", sb);
+    whereLike("parentBusinessProcessIdLike", "PARENT_BUSINESS_PROCESS_ID", sb);
+    whereLike("businessProcessIdLike", "BUSINESS_PROCESS_ID", sb);
+    whereLike("attachmentClassificationKeyLike", "a.CLASSIFICATION_KEY", sb);
+    whereLike("attachmentClassificationIdLike", "a.CLASSIFICATION_ID", sb);
+    whereLike("attachmentChannelLike", "a.CHANNEL", sb);
+    whereLike("attachmentReferenceLike", "a.REF_VALUE", sb);
+    whereLike("description", "DESCRIPTION", sb);
+    whereCustomStatements(sb);
+    sb.append("<if test='isRead != null'>AND IS_READ = #{isRead}</if> ");
+    sb.append("<if test='isTransferred != null'>AND IS_TRANSFERRED = #{isTransferred}</if> ");
+    sb.append(
+        "<if test='workbasketKeyDomainIn != null'>AND (<foreach item='item' collection='workbasketKeyDomainIn' separator=' OR '>(WORKBASKET_KEY = #{item.key} AND DOMAIN = #{item.domain})</foreach>)</if> ");
+    return sb.toString();
+  }
+
+  private static void whereCustomStatements(StringBuilder sb) {
+    IntStream.rangeClosed(1, 16)
+        .forEach(
+            x -> {
+              String collectionIn = "custom" + x + "In";
+              String collectionNotIn = "custom" + x + "NotIn";
+              String collectionLike = "custom" + x + "Like";
+              String column = "CUSTOM_" + x;
+              whereIn(collectionIn, column, sb);
+              whereLike(collectionLike, column, sb);
+              whereNotIn(collectionNotIn, column, sb);
+            });
+  }
+
+  private static void whereIn(String collection, String column, StringBuilder sb) {
+    sb.append("<if test='")
+        .append(collection)
+        .append(" != null'>AND ")
+        .append(column)
+        .append(" IN(<foreach item='item' collection='")
+        .append(collection)
+        .append("' separator=',' >#{item}</foreach>)</if> ");
+  }
+
+  private static void whereNotIn(String collection, String column, StringBuilder sb) {
+    sb.append("<if test='")
+        .append(collection)
+        .append(" != null'>AND ")
+        .append(column)
+        .append(" NOT IN(<foreach item='item' collection='")
+        .append(collection)
+        .append("' separator=',' >#{item}</foreach>)</if> ");
+  }
+
+  private static void whereInTime(String collection, String column, StringBuilder sb) {
+    sb.append("<if test='")
+        .append(collection)
+        .append(" !=null'> AND (<foreach item='item' collection='")
+        .append(collection)
+        .append("' separator=' OR ' > ( <if test='item.begin!=null'> ")
+        .append(column)
+        .append(
+            " &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> ")
+        .append(column)
+        .append(" &lt;=#{item.end} </if>)</foreach>)</if> ");
+  }
+
+  private static void whereLike(String collection, String column, StringBuilder sb) {
+    sb.append("<if test='")
+        .append(collection)
+        .append(" != null'>AND (<foreach item='item' collection='")
+        .append(collection)
+        .append("' separator=' OR '>UPPER(")
+        .append(column)
+        .append(") LIKE #{item}</foreach>)</if> ");
+  }
+}

lib/taskana-core/src/test/java/acceptance/ArchitectureTest.java

@@ -28,6 +28,7 @@ import java.util.stream.Stream;
 import org.apache.ibatis.annotations.Delete;
 import org.apache.ibatis.annotations.Insert;
 import org.apache.ibatis.annotations.Select;
+import org.apache.ibatis.annotations.SelectProvider;
 import org.apache.ibatis.annotations.Update;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Disabled;
@@ -331,7 +332,8 @@ class ArchitectureTest {
         for (JavaMethod method : javaClass.getAllMethods()) {
           List<String> sqlStrings = getSqlStringsFromMethod.apply(method);
 
-          if (sqlStrings.isEmpty()) {
+          if (sqlStrings.isEmpty()
+              && !method.tryGetAnnotationOfType(SelectProvider.class).isPresent()) {
             String message =
                 String.format(
                     "Method '%s#%s' does not contain any MyBatis SQL annotation",

lib/taskana-core/src/test/java/acceptance/task/QueryTasksAccTest.java

@@ -25,6 +25,7 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
+import java.util.stream.Collectors;
 import java.util.stream.Stream;
 import org.apache.ibatis.session.Configuration;
 import org.apache.ibatis.session.SqlSession;
@@ -163,6 +164,20 @@ class QueryTasksAccTest extends AbstractAccTest {
     }
   }
 
+  @WithAccessId(user = "admin")
+  @Test
+  void should_ReturnCorrectResults_When_QueryingForDescriptionAndPriority() {
+    List<TaskSummary> results1 = TASK_SERVICE.createTaskQuery().descriptionLike("Lorem%").list();
+    assertThat(results1).extracting(TaskSummary::getDescription).hasSize(7);
+
+    List<TaskSummary> results2 = TASK_SERVICE.createTaskQuery().priorityIn(1).list();
+    assertThat(results2).extracting(TaskSummary::getPriority).hasSize(2);
+
+    List<TaskSummary> results3 =
+        TASK_SERVICE.createTaskQuery().descriptionLike("Lorem%").priorityIn(1).list();
+    assertThat(results3).hasSize(2);
+  }
+
   @WithAccessId(user = "admin")
   @Test
   void testQueryForParentBusinessProcessId() {
@@ -273,7 +288,7 @@ class QueryTasksAccTest extends AbstractAccTest {
 
   @WithAccessId(user = "admin")
   @TestFactory
-  Stream<DynamicTest> testQueryForCustomX() {
+  Stream<DynamicTest> should_ReturnCorrectResults_When_QueryingForCustomXLikeInAndNotIn() {
     List<Triplet<TaskCustomField, String[], Integer>> list =
         List.of(
             Triplet.of(TaskCustomField.CUSTOM_1, new String[] {"custom%", "p%", "%xyz%", "efg"}, 3),
@@ -306,12 +321,41 @@ class QueryTasksAccTest extends AbstractAccTest {
         TASK_SERVICE.createTaskQuery().customAttributeLike(customField, searchArguments).list();
     assertThat(results).hasSize(expectedResult);
 
-    String[] ids =
+    String[] customAttributes =
         results.stream().map(t -> t.getCustomAttribute(customField)).toArray(String[]::new);
 
     List<TaskSummary> result2 =
-        TASK_SERVICE.createTaskQuery().customAttributeIn(customField, ids).list();
+        TASK_SERVICE.createTaskQuery().customAttributeIn(customField, customAttributes).list();
     assertThat(result2).hasSize(expectedResult);
+
+    List<String> allCustomAttributesWithValues =
+        TASK_SERVICE.createTaskQuery().list().stream()
+            .map(t -> t.getCustomAttribute(customField))
+            .filter(Objects::nonNull)
+            .collect(Collectors.toList());
+
+    // NotIn with an empty String should return all Tasks with a value in the specified customField
+    List<TaskSummary> results3 =
+        TASK_SERVICE.createTaskQuery().customAttributeNotIn(customField, "").list();
+
+    assertThat(results3)
+        .extracting(t -> t.getCustomAttribute(customField))
+        .isEqualTo(allCustomAttributesWithValues);
+
+    List<String> customAttributeList = Arrays.asList(customAttributes);
+    List<String> allCustomAttributesWithValuesExceptResult2 =
+        allCustomAttributesWithValues.stream()
+            .filter(s -> !customAttributeList.contains(s))
+            .collect(Collectors.toList());
+
+    /* NotIn with the already used customAttributes should result in all Tasks with values in the
+    specified customField, except the ones specified in customAttributes*/
+    List<TaskSummary> results4 =
+        TASK_SERVICE.createTaskQuery().customAttributeNotIn(customField, customAttributes).list();
+
+    assertThat(results4)
+        .extracting(t -> t.getCustomAttribute(customField))
+        .isEqualTo(allCustomAttributesWithValuesExceptResult2);
   }
 
   @WithAccessId(user = "admin")
@@ -389,7 +433,7 @@ class QueryTasksAccTest extends AbstractAccTest {
 
   @WithAccessId(user = "admin")
   @Test
-  void testQueryAndCountMatch() {
+  void should_QueryAndCountMatch_When_CalledWithSameQuery() {
     TaskQuery taskQuery = TASK_SERVICE.createTaskQuery();
     List<TaskSummary> tasks = taskQuery.nameIn("Task99", "Task01", "Widerruf").list();
     long numberOfTasks = taskQuery.nameIn("Task99", "Task01", "Widerruf").count();
@@ -573,7 +617,7 @@ class QueryTasksAccTest extends AbstractAccTest {
 
   @WithAccessId(user = "admin")
   @Test
-  void testQueryForOrderByCreatorDesc() {
+  void should_ReturnOrderedResult_When_OrderByCreatorDescIsSet() {
     List<TaskSummary> results = TASK_SERVICE.createTaskQuery().orderByCreator(DESCENDING).list();
 
     assertThat(results)
@@ -584,7 +628,7 @@ class QueryTasksAccTest extends AbstractAccTest {
 
   @WithAccessId(user = "admin")
   @Test
-  void testQueryForOrderByWorkbasketIdDesc() {
+  void should_ReturnOrderedResult_When_OrderByWorkbasketIdDescIsSet() {
     List<TaskSummary> results =
         TASK_SERVICE.createTaskQuery().orderByWorkbasketId(DESCENDING).list();
 
@@ -597,26 +641,27 @@ class QueryTasksAccTest extends AbstractAccTest {
 
   @WithAccessId(user = "admin")
   @TestFactory
-  Stream<DynamicTest> testQueryForOrderByCustomXAsc() {
+  Stream<DynamicTest> should_ReturnOrderedResult_When_OrderByCustomXAscIsSet() {
     Iterator<TaskCustomField> iterator = Arrays.stream(TaskCustomField.values()).iterator();
     return DynamicTest.stream(
         iterator,
         s -> String.format("order by %s asc", s),
-        s -> testQueryForOrderByCustomX(s, ASCENDING));
+        s -> should_ReturnOrderedResult_When_OrderByCustomFieldInSortDirectionIsSet(s, ASCENDING));
   }
 
   @WithAccessId(user = "admin")
   @TestFactory
-  Stream<DynamicTest> testQueryForOrderByCustomXDesc() {
+  Stream<DynamicTest> should_ReturnOrderedResult_When_OrderByCustomXDescIsSet() {
     Iterator<TaskCustomField> iterator = Arrays.stream(TaskCustomField.values()).iterator();
 
     return DynamicTest.stream(
         iterator,
         s -> String.format("order by %s desc", s),
-        s -> testQueryForOrderByCustomX(s, DESCENDING));
+        s -> should_ReturnOrderedResult_When_OrderByCustomFieldInSortDirectionIsSet(s, DESCENDING));
   }
 
-  void testQueryForOrderByCustomX(TaskCustomField customField, SortDirection sortDirection) {
+  void should_ReturnOrderedResult_When_OrderByCustomFieldInSortDirectionIsSet(
+      TaskCustomField customField, SortDirection sortDirection) {
     List<TaskSummary> results =
         TASK_SERVICE.createTaskQuery().orderByCustomAttribute(customField, sortDirection).list();
 

lib/taskana-core/src/test/java/acceptance/task/QueryTasksByObjectReferenceAccTest.java

@@ -21,7 +21,7 @@ class QueryTasksByObjectReferenceAccTest extends AbstractAccTest {
 
   @WithAccessId(user = "admin")
   @Test
-  void testQueryTasksByExcactValueOfObjectReference() {
+  void should_ApplyObjectReferenceFilter_When_ExactValueIsSet() {
     List<TaskSummary> results =
         TASK_SERVICE.createTaskQuery().primaryObjectReferenceValueIn("11223344", "22334455").list();
     assertThat(results).hasSize(33);
@@ -121,7 +121,7 @@ class QueryTasksByObjectReferenceAccTest extends AbstractAccTest {
 
   @WithAccessId(user = "admin")
   @Test
-  void testQueryTasksByExactValueAndTypeOfObjectReference() {
+  void should_ApplyObjectReferenceFilter_When_ExactValueAndTypeAreSet() {
     List<TaskSummary> results =
         TASK_SERVICE
             .createTaskQuery()
@@ -133,7 +133,7 @@ class QueryTasksByObjectReferenceAccTest extends AbstractAccTest {
 
   @WithAccessId(user = "admin")
   @Test
-  void testQueryTasksByValueLikeOfObjectReference() {
+  void should_ApplyObjectReferenceFilter_When_ValueLikeIsSet() {
     List<TaskSummary> results =
         TASK_SERVICE.createTaskQuery().primaryObjectReferenceValueLike("%567%").list();
     assertThat(results).hasSize(10);

rest/taskana-rest-spring/src/main/java/pro/taskana/common/rest/QueryParameter.java

@@ -2,6 +2,7 @@ package pro.taskana.common.rest;
 
 import java.time.Instant;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 import pro.taskana.common.api.BaseQuery;
@@ -12,12 +13,7 @@ public interface QueryParameter<Q extends BaseQuery<?, ?>, R> {
   R applyToQuery(Q query);
 
   default String[] wrapElementsInLikeStatement(String[] list) {
-    if (list != null) {
-      for (int i = 0; i < list.length; i++) {
-        list[i] = "%" + list[i] + "%";
-      }
-    }
-    return list;
+    return Arrays.stream(list).map(item -> "%" + item + "%").toArray(String[]::new);
   }
 
   default TimeInterval[] extractTimeIntervals(Instant[] instants) {

rest/taskana-rest-spring/src/main/java/pro/taskana/task/rest/TaskQueryFilterParameter.java

@@ -466,6 +466,10 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
   @JsonProperty("custom-1")
   private final String[] custom1;
 
+  /** Exclude values of the field custom1 of the task. */
+  @JsonProperty("custom-1-not-in")
+  private final String[] custom1NotIn;
+
   /**
    * Filter by the custom1 field of the task. This results in a substring search (% is appended to
    * the front and end of the requested value). Further SQL "LIKE" wildcard characters will be
@@ -478,6 +482,10 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
   @JsonProperty("custom-2")
   private final String[] custom2;
 
+  /** Filter out by values of the field custom2 of the task. This is an exact match. */
+  @JsonProperty("custom-2-not-in")
+  private final String[] custom2NotIn;
+
   /**
    * Filter by the custom2 field of the task. This results in a substring search (% is appended to
    * the front and end of the requested value). Further SQL "LIKE" wildcard characters will be
@@ -490,6 +498,10 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
   @JsonProperty("custom-3")
   private final String[] custom3;
 
+  /** Filter out by values of the field custom3 of the task. This is an exact match. */
+  @JsonProperty("custom-3-not-in")
+  private final String[] custom3NotIn;
+
   /**
    * Filter by the custom3 field of the task. This results in a substring search (% is appended to
    * the front and end of the requested value). Further SQL "LIKE" wildcard characters will be
@@ -502,6 +514,10 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
   @JsonProperty("custom-4")
   private final String[] custom4;
 
+  /** Filter out by values of the field custom4 of the task. This is an exact match. */
+  @JsonProperty("custom-4-not-in")
+  private final String[] custom4NotIn;
+
   /**
    * Filter by the custom4 field of the task. This results in a substring search (% is appended to
    * the front and end of the requested value). Further SQL "LIKE" wildcard characters will be
@@ -514,6 +530,10 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
   @JsonProperty("custom-5")
   private final String[] custom5;
 
+  /** Filter out by values of the field custom5 of the task. This is an exact match. */
+  @JsonProperty("custom-5-not-in")
+  private final String[] custom5NotIn;
+
   /**
    * Filter by the custom5 field of the task. This results in a substring search (% is appended to
    * the front and end of the requested value). Further SQL "LIKE" wildcard characters will be
@@ -526,6 +546,10 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
   @JsonProperty("custom-6")
   private final String[] custom6;
 
+  /** Filter out by values of the field custom6 of the task. This is an exact match. */
+  @JsonProperty("custom-6-not-in")
+  private final String[] custom6NotIn;
+
   /**
    * Filter by the custom6 field of the task. This results in a substring search (% is appended to
    * the front and end of the requested value). Further SQL "LIKE" wildcard characters will be
@@ -538,6 +562,10 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
   @JsonProperty("custom-7")
   private final String[] custom7;
 
+  /** Filter out by values of the field custom7 of the task. This is an exact match. */
+  @JsonProperty("custom-7-not-in")
+  private final String[] custom7NotIn;
+
   /**
    * Filter by the custom7 field of the task. This results in a substring search (% is appended to
    * the front and end of the requested value). Further SQL "LIKE" wildcard characters will be
@@ -550,6 +578,10 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
   @JsonProperty("custom-8")
   private final String[] custom8;
 
+  /** Filter out by values of the field custom8 of the task. This is an exact match. */
+  @JsonProperty("custom-8-not-in")
+  private final String[] custom8NotIn;
+
   /**
    * Filter by the custom8 field of the task. This results in a substring search (% is appended to
    * the front and end of the requested value). Further SQL "LIKE" wildcard characters will be
@@ -562,6 +594,10 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
   @JsonProperty("custom-9")
   private final String[] custom9;
 
+  /** Filter out by values of the field custom9 of the task. This is an exact match. */
+  @JsonProperty("custom-9-not-in")
+  private final String[] custom9NotIn;
+
   /**
    * Filter by the custom9 field of the task. This results in a substring search (% is appended to
    * the front and end of the requested value). Further SQL "LIKE" wildcard characters will be
@@ -574,6 +610,10 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
   @JsonProperty("custom-10")
   private final String[] custom10;
 
+  /** Filter out by values of the field custom10 of the task. This is an exact match. */
+  @JsonProperty("custom-10-not-in")
+  private final String[] custom10NotIn;
+
   /**
    * Filter by the custom10 field of the task. This results in a substring search (% is appended to
    * the front and end of the requested value). Further SQL "LIKE" wildcard characters will be
@@ -586,6 +626,10 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
   @JsonProperty("custom-11")
   private final String[] custom11;
 
+  /** Filter out by values of the field custom11 of the task. This is an exact match. */
+  @JsonProperty("custom-11-not-in")
+  private final String[] custom11NotIn;
+
   /**
    * Filter by the custom11 field of the task. This results in a substring search (% is appended to
    * the front and end of the requested value). Further SQL "LIKE" wildcard characters will be
@@ -598,6 +642,10 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
   @JsonProperty("custom-12")
   private final String[] custom12;
 
+  /** Filter out by values of the field custom12 of the task. This is an exact match. */
+  @JsonProperty("custom-12-not-in")
+  private final String[] custom12NotIn;
+
   /**
    * Filter by the custom12 field of the task. This results in a substring search (% is appended to
    * the front and end of the requested value). Further SQL "LIKE" wildcard characters will be
@@ -610,6 +658,10 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
   @JsonProperty("custom-13")
   private final String[] custom13;
 
+  /** Filter out by values of the field custom13 of the task. This is an exact match. */
+  @JsonProperty("custom-13-not-in")
+  private final String[] custom13NotIn;
+
   /**
    * Filter by the custom13 field of the task. This results in a substring search (% is appended to
    * the front and end of the requested value). Further SQL "LIKE" wildcard characters will be
@@ -622,6 +674,10 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
   @JsonProperty("custom-14")
   private final String[] custom14;
 
+  /** Filter out by values of the field custom14 of the task. This is an exact match. */
+  @JsonProperty("custom-14-not-in")
+  private final String[] custom14NotIn;
+
   /**
    * Filter by the custom14 field of the task. This results in a substring search (% is appended to
    * the front and end of the requested value). Further SQL "LIKE" wildcard characters will be
@@ -634,6 +690,10 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
   @JsonProperty("custom-15")
   private final String[] custom15;
 
+  /** Filter out by values of the field custom15 of the task. This is an exact match. */
+  @JsonProperty("custom-15-not-in")
+  private final String[] custom15NotIn;
+
   /**
    * Filter by the custom15 field of the task. This results in a substring search (% is appended to
    * the front and end of the requested value). Further SQL "LIKE" wildcard characters will be
@@ -641,11 +701,12 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
    */
   @JsonProperty("custom-15-like")
   private final String[] custom15Like;
-
   /** Filter by the value of the field custom16 of the task. This is an exact match. */
   @JsonProperty("custom-16")
   private final String[] custom16;
-
+  /** Filter out by values of the field custom16 of the task. This is an exact match. */
+  @JsonProperty("custom-16-not-in")
+  private final String[] custom16NotIn;
   /**
    * Filter by the custom16 field of the task. This results in a substring search (% is appended to
    * the front and end of the requested value). Further SQL "LIKE" wildcard characters will be
@@ -725,36 +786,52 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
     "external-id",
     "external-id-like",
     "custom-1",
+    "custom-1-not-in",
     "custom-1-like",
     "custom-2",
+    "custom-2-not-in",
     "custom-2-like",
     "custom-3",
+    "custom-3-not-in",
     "custom-3-like",
     "custom-4",
+    "custom-4-not-in",
     "custom-4-like",
     "custom-5",
+    "custom-5-not-in",
     "custom-5-like",
     "custom-6",
+    "custom-6-not-in",
     "custom-6-like",
     "custom-7",
+    "custom-7-not-in",
     "custom-7-like",
     "custom-8",
+    "custom-8-not-in",
     "custom-8-like",
     "custom-9",
+    "custom-9-not-in",
     "custom-9-like",
     "custom-10",
+    "custom-10-not-in",
     "custom-10-like",
     "custom-11",
+    "custom-11-not-in",
     "custom-11-like",
     "custom-12",
+    "custom-12-not-in",
     "custom-12-like",
     "custom-13",
+    "custom-13-not-in",
     "custom-13-like",
     "custom-14",
+    "custom-14-not-in",
     "custom-14-like",
     "custom-15",
+    "custom-15-not-in",
     "custom-15-like",
     "custom-16",
+    "custom-16-not-in",
     "custom-16-like"
   })
   public TaskQueryFilterParameter(
@@ -827,36 +904,52 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
       String[] externalIds,
       String[] externalIdsLike,
       String[] custom1,
+      String[] custom1NotIn,
       String[] custom1Like,
       String[] custom2,
+      String[] custom2NotIn,
       String[] custom2Like,
       String[] custom3,
+      String[] custom3NotIn,
       String[] custom3Like,
       String[] custom4,
+      String[] custom4NotIn,
       String[] custom4Like,
       String[] custom5,
+      String[] custom5NotIn,
       String[] custom5Like,
       String[] custom6,
+      String[] custom6NotIn,
       String[] custom6Like,
       String[] custom7,
+      String[] custom7NotIn,
       String[] custom7Like,
       String[] custom8,
+      String[] custom8NotIn,
       String[] custom8Like,
       String[] custom9,
+      String[] custom9NotIn,
       String[] custom9Like,
       String[] custom10,
+      String[] custom10NotIn,
       String[] custom10Like,
       String[] custom11,
+      String[] custom11NotIn,
       String[] custom11Like,
       String[] custom12,
+      String[] custom12NotIn,
       String[] custom12Like,
       String[] custom13,
+      String[] custom13NotIn,
       String[] custom13Like,
       String[] custom14,
+      String[] custom14NotIn,
       String[] custom14Like,
       String[] custom15,
+      String[] custom15NotIn,
       String[] custom15Like,
       String[] custom16,
+      String[] custom16NotIn,
       String[] custom16Like)
       throws InvalidArgumentException {
     this.name = name;
@@ -928,36 +1021,52 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
     this.externalIds = externalIds;
     this.externalIdsLike = externalIdsLike;
     this.custom1 = custom1;
+    this.custom1NotIn = custom1NotIn;
     this.custom1Like = custom1Like;
     this.custom2 = custom2;
+    this.custom2NotIn = custom2NotIn;
     this.custom2Like = custom2Like;
     this.custom3 = custom3;
+    this.custom3NotIn = custom3NotIn;
     this.custom3Like = custom3Like;
     this.custom4 = custom4;
+    this.custom4NotIn = custom4NotIn;
     this.custom4Like = custom4Like;
     this.custom5 = custom5;
+    this.custom5NotIn = custom5NotIn;
     this.custom5Like = custom5Like;
     this.custom6 = custom6;
+    this.custom6NotIn = custom6NotIn;
     this.custom6Like = custom6Like;
     this.custom7 = custom7;
+    this.custom7NotIn = custom7NotIn;
     this.custom7Like = custom7Like;
     this.custom8 = custom8;
+    this.custom8NotIn = custom8NotIn;
     this.custom8Like = custom8Like;
     this.custom9 = custom9;
+    this.custom9NotIn = custom9NotIn;
     this.custom9Like = custom9Like;
     this.custom10 = custom10;
+    this.custom10NotIn = custom10NotIn;
     this.custom10Like = custom10Like;
     this.custom11 = custom11;
+    this.custom11NotIn = custom11NotIn;
     this.custom11Like = custom11Like;
     this.custom12 = custom12;
+    this.custom12NotIn = custom12NotIn;
     this.custom12Like = custom12Like;
     this.custom13 = custom13;
+    this.custom13NotIn = custom13NotIn;
     this.custom13Like = custom13Like;
     this.custom14 = custom14;
+    this.custom14NotIn = custom14NotIn;
     this.custom14Like = custom14Like;
     this.custom15 = custom15;
+    this.custom15NotIn = custom15NotIn;
     this.custom15Like = custom15Like;
     this.custom16 = custom16;
+    this.custom16NotIn = custom16NotIn;
     this.custom16Like = custom16Like;
 
     validateFilterParameters();
@@ -1107,6 +1216,27 @@ public class TaskQueryFilterParameter implements QueryParameter<TaskQuery, Void>
             pair ->
                 Optional.ofNullable(pair.getRight())
                     .ifPresent(wrap(l -> query.customAttributeIn(pair.getLeft(), l))));
+    Stream.of(
+            Pair.of(TaskCustomField.CUSTOM_1, custom1NotIn),
+            Pair.of(TaskCustomField.CUSTOM_2, custom2NotIn),
+            Pair.of(TaskCustomField.CUSTOM_3, custom3NotIn),
+            Pair.of(TaskCustomField.CUSTOM_4, custom4NotIn),
+            Pair.of(TaskCustomField.CUSTOM_5, custom5NotIn),
+            Pair.of(TaskCustomField.CUSTOM_6, custom6NotIn),
+            Pair.of(TaskCustomField.CUSTOM_7, custom7NotIn),
+            Pair.of(TaskCustomField.CUSTOM_8, custom8NotIn),
+            Pair.of(TaskCustomField.CUSTOM_9, custom9NotIn),
+            Pair.of(TaskCustomField.CUSTOM_10, custom10NotIn),
+            Pair.of(TaskCustomField.CUSTOM_11, custom11NotIn),
+            Pair.of(TaskCustomField.CUSTOM_12, custom12NotIn),
+            Pair.of(TaskCustomField.CUSTOM_13, custom13NotIn),
+            Pair.of(TaskCustomField.CUSTOM_14, custom14NotIn),
+            Pair.of(TaskCustomField.CUSTOM_15, custom15NotIn),
+            Pair.of(TaskCustomField.CUSTOM_16, custom16NotIn))
+        .forEach(
+            pair ->
+                Optional.ofNullable(pair.getRight())
+                    .ifPresent(wrap(l -> query.customAttributeNotIn(pair.getLeft(), l))));
     Stream.of(
             Pair.of(TaskCustomField.CUSTOM_1, custom1Like),
             Pair.of(TaskCustomField.CUSTOM_2, custom2Like),