TSK-69: Offer all values of a DB-Column with filter by Query.

lib/taskana-core/src/main/java/pro/taskana/BaseQuery.java

@@ -31,6 +31,18 @@ public interface BaseQuery<T> {
      */
     List<T> list(int offset, int limit);
 
+    /**
+     * This method will return all currently existing values of a DB-Table once. The order of the returning values can
+     * be configured ASC oder DEC - DEFAULT at NULL is ASC. <br>
+     * All called orderBy()-Methods will be override. Just the current column-values will be ordered itself by the given
+     * direction.
+     *
+     * @param dbColumnName
+     *            column name of a existing DB Table.
+     * @return a list of all existing values.
+     */
+    List<String> listValues(String dbColumnName, SortDirection sortDirection);
+
     /**
      * This method will return all results for page X with a size of Y of the current query.<br>
      * Negative pageNumber/size will be changed to 0 and the last page got maybe less elements. In case of a TaskQuery,

lib/taskana-core/src/main/java/pro/taskana/impl/ClassificationQueryImpl.java

@@ -23,10 +23,12 @@ import pro.taskana.impl.util.LoggerUtils;
  */
 public class ClassificationQueryImpl implements ClassificationQuery {
 
-    private static final String LINK_TO_MAPPER = "pro.taskana.mappings.QueryMapper.queryClassification";
+    private static final String LINK_TO_SUMMARYMAPPER = "pro.taskana.mappings.QueryMapper.queryClassificationSummaries";
     private static final String LINK_TO_COUNTER = "pro.taskana.mappings.QueryMapper.countQueryClassifications";
+    private static final String LINK_TO_VALUEMAPPER = "pro.taskana.mappings.QueryMapper.queryClassificationColumnValues";
     private static final Logger LOGGER = LoggerFactory.getLogger(ClassificationQueryImpl.class);
     private TaskanaEngineImpl taskanaEngine;
+    private String columnName;
     private String[] key;
     private String[] parentId;
     private String[] category;
@@ -354,7 +356,7 @@ public class ClassificationQueryImpl implements ClassificationQuery {
         List<ClassificationSummary> result = null;
         try {
             taskanaEngine.openConnection();
-            result = taskanaEngine.getSqlSession().selectList(LINK_TO_MAPPER, this);
+            result = taskanaEngine.getSqlSession().selectList(LINK_TO_SUMMARYMAPPER, this);
             return result;
         } finally {
             taskanaEngine.returnConnection();
@@ -373,7 +375,7 @@ public class ClassificationQueryImpl implements ClassificationQuery {
         try {
             taskanaEngine.openConnection();
             RowBounds rowBounds = new RowBounds(offset, limit);
-            result = taskanaEngine.getSqlSession().selectList(LINK_TO_MAPPER, this, rowBounds);
+            result = taskanaEngine.getSqlSession().selectList(LINK_TO_SUMMARYMAPPER, this, rowBounds);
             return result;
         } catch (Exception e) {
             if (e instanceof PersistenceException) {
@@ -395,13 +397,34 @@ public class ClassificationQueryImpl implements ClassificationQuery {
         }
     }
 
+    @Override
+    public List<String> listValues(String columnName, SortDirection sortDirection) {
+        LOGGER.debug("Entry to listValues(dbColumnName={}) this = {}", columnName, this);
+        List<String> result = null;
+        try {
+            taskanaEngine.openConnection();
+            this.columnName = columnName;
+            this.orderBy.clear();
+            this.addOrderCriteria(columnName, sortDirection);
+            result = taskanaEngine.getSqlSession().selectList(LINK_TO_VALUEMAPPER, this);
+            return result;
+        } finally {
+            taskanaEngine.returnConnection();
+            if (LOGGER.isDebugEnabled()) {
+                int numberOfResultObjects = result == null ? 0 : result.size();
+                LOGGER.debug("Exit from listValues. Returning {} resulting Objects: {} ", numberOfResultObjects,
+                    LoggerUtils.listToString(result));
+            }
+        }
+    }
+
     @Override
     public ClassificationSummary single() {
         LOGGER.debug("entry to single(), this = {}", this);
         ClassificationSummary result = null;
         try {
             taskanaEngine.openConnection();
-            result = taskanaEngine.getSqlSession().selectOne(LINK_TO_MAPPER, this);
+            result = taskanaEngine.getSqlSession().selectOne(LINK_TO_SUMMARYMAPPER, this);
             return result;
         } finally {
             taskanaEngine.returnConnection();
@@ -546,6 +569,10 @@ public class ClassificationQueryImpl implements ClassificationQuery {
         return custom8Like;
     }
 
+    public String getColumnName() {
+        return columnName;
+    }
+
     @Override
     public long count() {
         LOGGER.debug("entry to count(), this = {}", this);
@@ -630,5 +657,4 @@ public class ClassificationQueryImpl implements ClassificationQuery {
         builder.append("]");
         return builder.toString();
     }
-
 }

lib/taskana-core/src/main/java/pro/taskana/impl/ObjectReferenceQueryImpl.java

@@ -1,5 +1,6 @@
 package pro.taskana.impl;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
@@ -20,19 +21,22 @@ import pro.taskana.impl.util.LoggerUtils;
  */
 public class ObjectReferenceQueryImpl implements ObjectReferenceQuery {
 
-    private static final String LINK_TO_MAPPER = "pro.taskana.mappings.QueryMapper.queryObjectReference";
+    private static final String LINK_TO_MAPPER = "pro.taskana.mappings.QueryMapper.queryObjectReferences";
     private static final String LINK_TO_COUNTER = "pro.taskana.mappings.QueryMapper.countQueryObjectReferences";
+    private static final String LINK_TO_VALUEMAPPER = "pro.taskana.mappings.QueryMapper.queryObjectReferenceColumnValues";
     private static final Logger LOGGER = LoggerFactory.getLogger(ObjectReferenceQueryImpl.class);
-
     private TaskanaEngineImpl taskanaEngine;
+    private String columnName;
     private String[] company;
     private String[] system;
     private String[] systemInstance;
     private String[] type;
     private String[] value;
+    private List<String> orderBy;
 
     ObjectReferenceQueryImpl(TaskanaEngine taskanaEngine) {
         this.taskanaEngine = (TaskanaEngineImpl) taskanaEngine;
+        this.orderBy = new ArrayList<>();
     }
 
     @Override
@@ -83,6 +87,27 @@ public class ObjectReferenceQueryImpl implements ObjectReferenceQuery {
         }
     }
 
+    @Override
+    public List<String> listValues(String columnName, SortDirection sortDirection) {
+        LOGGER.debug("Entry to listValues(dbColumnName={}) this = {}", columnName, this);
+        List<String> result = null;
+        try {
+            taskanaEngine.openConnection();
+            this.columnName = columnName;
+            this.orderBy.clear();
+            this.addOrderCriteria(columnName, sortDirection);
+            result = taskanaEngine.getSqlSession().selectList(LINK_TO_VALUEMAPPER, this);
+            return result;
+        } finally {
+            taskanaEngine.returnConnection();
+            if (LOGGER.isDebugEnabled()) {
+                int numberOfResultObjects = result == null ? 0 : result.size();
+                LOGGER.debug("Exit from listValues. Returning {} resulting Objects: {} ", numberOfResultObjects,
+                    LoggerUtils.listToString(result));
+            }
+        }
+    }
+
     @Override
     public List<ObjectReference> list(int offset, int limit) {
         LOGGER.debug("entry to list(offset = {}, limit = {}), this = {}", offset, limit, this);
@@ -166,6 +191,10 @@ public class ObjectReferenceQueryImpl implements ObjectReferenceQuery {
         this.value = value;
     }
 
+    public String getColumnName() {
+        return columnName;
+    }
+
     @Override
     public long count() {
         LOGGER.debug("entry to count(), this = {}", this);
@@ -180,6 +209,15 @@ public class ObjectReferenceQueryImpl implements ObjectReferenceQuery {
         }
     }
 
+    private ObjectReferenceQuery addOrderCriteria(String colName, SortDirection sortDirection) {
+        String orderByDirection = " ASC";
+        if (sortDirection != null && SortDirection.DESCENDING.equals(sortDirection)) {
+            orderByDirection = " DESC";
+        }
+        orderBy.add(colName + orderByDirection);
+        return this;
+    }
+
     @Override
     public String toString() {
         StringBuilder builder = new StringBuilder();

lib/taskana-core/src/main/java/pro/taskana/impl/TaskQueryImpl.java

@@ -29,11 +29,13 @@ import pro.taskana.impl.util.LoggerUtils;
  */
 public class TaskQueryImpl implements TaskQuery {
 
-    private static final String LINK_TO_MAPPER = "pro.taskana.mappings.QueryMapper.queryTasks";
+    private static final String LINK_TO_MAPPER = "pro.taskana.mappings.QueryMapper.queryTaskSummaries";
     private static final String LINK_TO_COUNTER = "pro.taskana.mappings.QueryMapper.countQueryTasks";
+    private static final String LINK_TO_VALUEMAPPER = "pro.taskana.mappings.QueryMapper.queryTaskColumnValues";
     private static final Logger LOGGER = LoggerFactory.getLogger(TaskQueryImpl.class);
     private TaskanaEngineImpl taskanaEngine;
     private TaskServiceImpl taskService;
+    private String columnName;
     private String[] nameIn;
     private String[] nameLike;
     private String[] creatorIn;
@@ -685,6 +687,27 @@ public class TaskQueryImpl implements TaskQuery {
         }
     }
 
+    @Override
+    public List<String> listValues(String columnName, SortDirection sortDirection) {
+        LOGGER.debug("Entry to listValues(dbColumnName={}) this = {}", columnName, this);
+        List<String> result = null;
+        try {
+            taskanaEngine.openConnection();
+            this.columnName = columnName;
+            this.orderBy.clear();
+            this.addOrderCriteria(columnName, sortDirection);
+            result = taskanaEngine.getSqlSession().selectList(LINK_TO_VALUEMAPPER, this);
+            return result;
+        } finally {
+            taskanaEngine.returnConnection();
+            if (LOGGER.isDebugEnabled()) {
+                int numberOfResultObjects = result == null ? 0 : result.size();
+                LOGGER.debug("Exit from listValues. Returning {} resulting Objects: {} ", numberOfResultObjects,
+                    LoggerUtils.listToString(result));
+            }
+        }
+    }
+
     @Override
     public List<TaskSummary> list(int offset, int limit) {
         LOGGER.debug("entry to list(offset = {}, limit = {}), this = {}", offset, limit, this);
@@ -1032,6 +1055,10 @@ public class TaskQueryImpl implements TaskQuery {
         return workbasketIdIn;
     }
 
+    public String getColumnName() {
+        return columnName;
+    }
+
     private TaskQuery addOrderCriteria(String columnName, SortDirection sortDirection) {
         String orderByDirection = " ASC";
         if (sortDirection != null && SortDirection.DESCENDING.equals(sortDirection)) {

lib/taskana-core/src/main/java/pro/taskana/impl/WorkbasketAccessItemQueryImpl.java

@@ -22,9 +22,11 @@ import pro.taskana.impl.util.LoggerUtils;
  */
 public class WorkbasketAccessItemQueryImpl implements WorkbasketAccessItemQuery {
 
-    private static final String LINK_TO_MAPPER = "pro.taskana.mappings.QueryMapper.queryWorkbasketAccessItem";
+    private static final String LINK_TO_MAPPER = "pro.taskana.mappings.QueryMapper.queryWorkbasketAccessItems";
     private static final String LINK_TO_COUNTER = "pro.taskana.mappings.QueryMapper.countQueryWorkbasketAccessItems";
+    private static final String LINK_TO_VALUEMAPPER = "pro.taskana.mappings.QueryMapper.queryWorkbasketAccessItemColumnValues";
     private static final Logger LOGGER = LoggerFactory.getLogger(WorkbasketQueryImpl.class);
+    private String columnName;
     private String[] accessIdIn;
     private String[] workbasketIdIn;
     private String[] idIn;
@@ -91,6 +93,27 @@ public class WorkbasketAccessItemQueryImpl implements WorkbasketAccessItemQuery
         }
     }
 
+    @Override
+    public List<String> listValues(String columnName, SortDirection sortDirection) {
+        LOGGER.debug("Entry to listValues(dbColumnName={}) this = {}", columnName, this);
+        List<String> result = null;
+        try {
+            taskanaEngine.openConnection();
+            this.columnName = columnName;
+            this.orderBy.clear();
+            this.addOrderCriteria(columnName, sortDirection);
+            result = taskanaEngine.getSqlSession().selectList(LINK_TO_VALUEMAPPER, this);
+            return result;
+        } finally {
+            taskanaEngine.returnConnection();
+            if (LOGGER.isDebugEnabled()) {
+                int numberOfResultObjects = result == null ? 0 : result.size();
+                LOGGER.debug("Exit from listValues. Returning {} resulting Objects: {} ", numberOfResultObjects,
+                    LoggerUtils.listToString(result));
+            }
+        }
+    }
+
     @Override
     public List<WorkbasketAccessItem> list(int offset, int limit) {
         LOGGER.debug("entry to list(offset = {}, limit = {}), this = {}", offset, limit, this);
@@ -173,6 +196,10 @@ public class WorkbasketAccessItemQueryImpl implements WorkbasketAccessItemQuery
         return orderBy;
     }
 
+    public String getColumnName() {
+        return columnName;
+    }
+
     @Override
     public String toString() {
         StringBuilder builder = new StringBuilder();

lib/taskana-core/src/main/java/pro/taskana/impl/WorkbasketQueryImpl.java

@@ -30,9 +30,11 @@ import pro.taskana.security.CurrentUserContext;
  */
 public class WorkbasketQueryImpl implements WorkbasketQuery {
 
-    private static final String LINK_TO_MAPPER = "pro.taskana.mappings.QueryMapper.queryWorkbasket";
+    private static final String LINK_TO_MAPPER = "pro.taskana.mappings.QueryMapper.queryWorkbasketSummaries";
     private static final String LINK_TO_COUNTER = "pro.taskana.mappings.QueryMapper.countQueryWorkbaskets";
+    private static final String LINK_TO_VALUEMAPPER = "pro.taskana.mappings.QueryMapper.queryWorkbasketColumnValues";
     private static final Logger LOGGER = LoggerFactory.getLogger(WorkbasketQueryImpl.class);
+    private String columnName;
     private String[] accessId;
     private WorkbasketPermission permission;
     private String[] nameIn;
@@ -371,6 +373,28 @@ public class WorkbasketQueryImpl implements WorkbasketQuery {
         }
     }
 
+    @Override
+    public List<String> listValues(String columnName, SortDirection sortDirection) {
+        LOGGER.debug("Entry to listValues(dbColumnName={}) this = {}", columnName, this);
+        List<String> result = null;
+        try {
+            taskanaEngine.openConnection();
+            this.columnName = columnName;
+            addAccessIdsOfCallerToQuery();
+            this.orderBy.clear();
+            this.addOrderCriteria(columnName, sortDirection);
+            result = taskanaEngine.getSqlSession().selectList(LINK_TO_VALUEMAPPER, this);
+            return result;
+        } finally {
+            taskanaEngine.returnConnection();
+            if (LOGGER.isDebugEnabled()) {
+                int numberOfResultObjects = result == null ? 0 : result.size();
+                LOGGER.debug("Exit from listValues. Returning {} resulting Objects: {} ", numberOfResultObjects,
+                    LoggerUtils.listToString(result));
+            }
+        }
+    }
+
     @Override
     public List<WorkbasketSummary> list(int offset, int limit) {
         LOGGER.debug("entry to list(offset = {}, limit = {}), this = {}", offset, limit, this);
@@ -544,6 +568,10 @@ public class WorkbasketQueryImpl implements WorkbasketQuery {
         return orderBy;
     }
 
+    public String getColumnName() {
+        return columnName;
+    }
+
     @Override
     public long count() {
         LOGGER.debug("entry to count(), this = {}", this);

lib/taskana-core/src/main/java/pro/taskana/mappings/QueryMapper.java

@@ -130,7 +130,7 @@ public interface QueryMapper {
         @Result(property = "custom8", column = "CUSTOM_8"),
         @Result(property = "custom9", column = "CUSTOM_9"),
         @Result(property = "custom10", column = "CUSTOM_10")})
-    List<TaskSummaryImpl> queryTasks(TaskQueryImpl taskQuery);
+    List<TaskSummaryImpl> queryTaskSummaries(TaskQueryImpl taskQuery);
 
     @Select("<script>SELECT ID, KEY, PARENT_ID, CATEGORY, TYPE, DOMAIN, VALID_IN_DOMAIN, CREATED, NAME, DESCRIPTION, PRIORITY, SERVICE_LEVEL, APPLICATION_ENTRY_POINT, CUSTOM_1, CUSTOM_2, CUSTOM_3, CUSTOM_4, CUSTOM_5, CUSTOM_6, CUSTOM_7, CUSTOM_8 "
         + "FROM CLASSIFICATION "
@@ -177,7 +177,7 @@ public interface QueryMapper {
         @Result(property = "domain", column = "DOMAIN"),
         @Result(property = "name", column = "NAME"),
         @Result(property = "parentId", column = "PARENT_ID")})
-    List<ClassificationSummaryImpl> queryClassification(ClassificationQueryImpl classificationQuery);
+    List<ClassificationSummaryImpl> queryClassificationSummaries(ClassificationQueryImpl classificationQuery);
 
     @Select("<script>SELECT ID, COMPANY, SYSTEM, SYSTEM_INSTANCE, TYPE, VALUE "
         + "FROM OBJECT_REFERENCE "
@@ -196,7 +196,7 @@ public interface QueryMapper {
         @Result(property = "systemInstance", column = "SYSTEM_INSTANCE"),
         @Result(property = "type", column = "TYPE"),
         @Result(property = "value", column = "VALUE")})
-    List<ObjectReference> queryObjectReference(ObjectReferenceQueryImpl objectReference);
+    List<ObjectReference> queryObjectReferences(ObjectReferenceQueryImpl objectReference);
 
     @Select("<script>"
         + "SELECT DISTINCT "
@@ -267,7 +267,7 @@ public interface QueryMapper {
         @Result(property = "orgLevel2", column = "ORG_LEVEL_2"),
         @Result(property = "orgLevel3", column = "ORG_LEVEL_3"),
         @Result(property = "orgLevel4", column = "ORG_LEVEL_4")})
-    List<WorkbasketSummaryImpl> queryWorkbasket(WorkbasketQueryImpl workbasketQuery);
+    List<WorkbasketSummaryImpl> queryWorkbasketSummaries(WorkbasketQueryImpl workbasketQuery);
 
     @Select("<script>"
         + "SELECT "
@@ -302,7 +302,7 @@ public interface QueryMapper {
         @Result(property = "permCustom10", column = "PERM_CUSTOM_10"),
         @Result(property = "permCustom11", column = "PERM_CUSTOM_11"),
         @Result(property = "permCustom12", column = "PERM_CUSTOM_12")})
-    List<WorkbasketAccessItemImpl> queryWorkbasketAccessItem(WorkbasketAccessItemQueryImpl accessItemQuery);
+    List<WorkbasketAccessItemImpl> queryWorkbasketAccessItems(WorkbasketAccessItemQueryImpl accessItemQuery);
 
     @Select("<script>SELECT COUNT(ID) FROM TASK t "
         + "<where>"
@@ -485,4 +485,192 @@ public interface QueryMapper {
         + "</script>")
     Long countQueryWorkbasketAccessItems(WorkbasketAccessItemQueryImpl accessItem);
 
+    @Select("<script>SELECT DISTINCT ${columnName} "
+        + "FROM TASK t "
+        + "<where>"
+        + "<if test='taskIds != null'>AND t.ID IN(<foreach item='item' collection='taskIds' separator=',' >#{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='note != null'>AND (<foreach item='item' collection='note' separator=' OR '>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='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='classificationKeyLike != null'>AND (<foreach item='item' collection='classificationKeyLike' separator=' OR '>UPPER(t.CLASSIFICATION_KEY) LIKE #{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='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='customFields != null'>AND (t.CUSTOM_1 IN(<foreach item='item' collection='customFields' separator=',' >#{item}</foreach>) OR t.CUSTOM_2 IN(<foreach item='item' collection='customFields' separator=',' >#{item}</foreach>) OR t.CUSTOM_3 IN(<foreach item='item' collection='customFields' separator=',' >#{item}</foreach>) OR t.CUSTOM_4 IN(<foreach item='item' collection='customFields' separator=',' >#{item}</foreach>) OR t.CUSTOM_5 IN(<foreach item='item' collection='customFields' separator=',' >#{item}</foreach>) OR t.CUSTOM_6 IN(<foreach item='item' collection='customFields' separator=',' >#{item}</foreach>) OR t.CUSTOM_7 IN(<foreach item='item' collection='customFields' separator=',' >#{item}</foreach>) OR t.CUSTOM_8 IN(<foreach item='item' collection='customFields' separator=',' >#{item}</foreach>) OR t.CUSTOM_9 IN(<foreach item='item' collection='customFields' separator=',' >#{item}</foreach>) OR t.CUSTOM_10 IN(<foreach item='item' collection='customFields' separator=',' >#{item}</foreach>))</if> "
+        + "</where>"
+        + "<if test='!orderBy.isEmpty()'>ORDER BY <foreach item='item' collection='orderBy' separator=',' >${item}</foreach></if> "
+        + "</script>")
+    List<String> queryTaskColumnValues(TaskQueryImpl taskQuery);
+
+    @Select("<script>SELECT DISTINCT ${columnName} "
+        + "FROM CLASSIFICATION"
+        + "<where>"
+        + "<if test='key != null'>AND KEY IN(<foreach item='item' collection='key' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='parentId != null'>AND PARENT_ID IN(<foreach item='item' collection='parentId' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='category != null'>AND CATEGORY IN(<foreach item='item' collection='category' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='type != null'>AND TYPE IN(<foreach item='item' collection='type' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='domain != null'>AND DOMAIN IN(<foreach item='item' collection='domain' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='validInDomain != null'>AND VALID_IN_DOMAIN = #{validInDomain}</if> "
+        + "<if test='createdIn !=null'> AND ( <foreach item='item' collection='createdIn' separator=' OR ' > ( <if test='item.begin!=null'> CREATED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> CREATED &lt;=#{item.end} </if>)</foreach>)</if> "
+        + "<if test='modifiedIn !=null'> AND ( <foreach item='item' collection='modifiedIn' separator=' OR ' > ( <if test='item.begin!=null'> MODIFIED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> MODIFIED &lt;=#{item.end} </if>)</foreach>)</if> "
+        + "<if test='nameIn != null'>AND NAME IN(<foreach item='item' collection='nameIn' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='nameLike != null'>AND (<foreach item='item' collection='nameLike' separator=' OR '>NAME LIKE #{item}</foreach>)</if> "
+        + "<if test='descriptionLike != null'>AND DESCRIPTION like #{descriptionLike}</if> "
+        + "<if test='priority != null'>AND PRIORITY IN(<foreach item='item' collection='priority' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='serviceLevelIn != null'>AND SERVICE_LEVEL IN(<foreach item='item' collection='serviceLevelIn' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='serviceLevelLike != null'>AND (<foreach item='item' collection='serviceLevelLike' separator=' OR ' >SERVICE_LEVEL LIKE #{item}</foreach>)</if> "
+        + "<if test='applicationEntryPointIn != null'>AND APPLICATION_ENTRY_POINT IN(<foreach item='item' collection='applicationEntryPoint' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='applicationEntryPointLike != null'>AND (<foreach item='item' collection='applicationEntryPointLike' separator=' OR ' >APPLICATION_ENTRY_POINT 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 ' >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 ' > 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 ' > 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 ' > 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 ' > 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 ' > 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 ' > 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 ' > CUSTOM_8 LIKE #{item}</foreach>)</if> "
+        + "</where>"
+        + "<if test='!orderBy.isEmpty()'>ORDER BY <foreach item='item' collection='orderBy' separator=',' >${item}</foreach></if> "
+        + "</script>")
+    List<String> queryClassificationColumnValues(ClassificationQueryImpl classificationQuery);
+
+    @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>"
+        + "</script>")
+    List<String> queryObjectReferenceColumnValues(ObjectReferenceQueryImpl objectReference);
+
+    @Select("<script>SELECT DISTINCT ${columnName} "
+        + "FROM WORKBASKET w "
+        + "LEFT OUTER JOIN WORKBASKET_ACCESS_LIST a on (w.ID = a.WORKBASKET_ID AND a.ACCESS_ID IN (<if test='accessId != null'><foreach item='item' collection='accessId' separator=',' >#{item}</foreach></if>))"
+        + "<where>"
+        + "<if test='ownerIn != null'>AND w.OWNER IN(<foreach item='item' collection='ownerIn' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='ownerLike != null'>AND (<foreach item='item' collection='ownerLike' separator=' OR ' >UPPER(w.OWNER) LIKE #{item}</foreach>)</if> "
+        + "<if test='keyIn != null'>AND UPPER(w.KEY) IN(<foreach item='item' collection='keyIn' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='keyLike != null'>AND (<foreach item='item' collection='keyLike' separator=' OR ' >UPPER(w.KEY) LIKE #{item}</foreach>)</if> "
+        + "<if test='nameIn != null'>AND UPPER(w.NAME) IN(<foreach item='item' collection='nameIn' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='nameLike != null'>AND (<foreach item='item' collection='nameLike' separator=' OR ' >UPPER(w.NAME) LIKE #{item}</foreach>)</if> "
+        + "<if test='keyOrNameLike != null'>AND (<foreach item='item' collection='keyOrNameLike' separator=' OR ' >UPPER(w.NAME) LIKE #{item} OR UPPER(w.KEY) LIKE #{item}</foreach>)</if> "
+        + "<if test='domainIn != null'>AND w.DOMAIN IN(<foreach item='item' collection='domainIn' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='domainLike != null'>AND (<foreach item='item' collection='domainLike' separator=' OR ' >UPPER(w.DOMAIN) LIKE #{item}</foreach>)</if> "
+        + "<if test='type!= null'>AND w.TYPE IN(<foreach item='item' collection='type' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='createdIn !=null'> AND ( <foreach item='item' collection='createdIn' separator=' OR ' > ( <if test='item.begin!=null'> w.CREATED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> w.CREATED &lt;=#{item.end} </if>)</foreach>)</if> "
+        + "<if test='modifiedIn !=null'> AND ( <foreach item='item' collection='modifiedIn' separator=' OR ' > ( <if test='item.begin!=null'> w.MODIFIED &gt;= #{item.begin} </if> <if test='item.begin!=null and item.end!=null'> AND </if><if test='item.end!=null'> w.MODIFIED &lt;=#{item.end} </if>)</foreach>)</if> "
+        + "<if test='descriptionLike != null'>AND (<foreach item='item' collection='descriptionLike' separator=' OR '>UPPER(w.DESCRIPTION) LIKE #{item}</foreach>)</if> "
+        + "<if test='custom1In != null'>AND UPPER(w.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(w.CUSTOM_1) LIKE #{item}</foreach>)</if> "
+        + "<if test='custom2In != null'>AND UPPER(w.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(w.CUSTOM_2) LIKE #{item}</foreach>)</if> "
+        + "<if test='custom3In != null'>AND UPPER(w.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(w.CUSTOM_3) LIKE #{item}</foreach>)</if> "
+        + "<if test='custom4In != null'>AND UPPER(w.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(w.CUSTOM_4) LIKE #{item}</foreach>)</if> "
+        + "<if test='orgLevel1In != null'>AND UPPER(w.ORG_LEVEL_1) IN(<foreach item='item' collection='orgLevel1In' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='orgLevel1Like != null'>AND (<foreach item='item' collection='orgLevel1Like' separator=' OR ' >UPPER(w.ORG_LEVEL_1) LIKE #{item}</foreach>)</if> "
+        + "<if test='orgLevel2In != null'>AND UPPER(w.ORG_LEVEL_2) IN(<foreach item='item' collection='orgLevel2In' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='orgLevel2Like != null'>AND (<foreach item='item' collection='orgLevel2Like' separator=' OR ' >UPPER(w.ORG_LEVEL_2) LIKE #{item}</foreach>)</if> "
+        + "<if test='orgLevel3In != null'>AND UPPER(w.ORG_LEVEL_3) IN(<foreach item='item' collection='orgLevel3In' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='orgLevel3Like != null'>AND (<foreach item='item' collection='orgLevel3Like' separator=' OR ' >UPPER(w.ORG_LEVEL_3) LIKE #{item}</foreach>)</if> "
+        + "<if test='orgLevel4In != null'>AND UPPER(w.ORG_LEVEL_4) IN(<foreach item='item' collection='orgLevel4In' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='orgLevel4Like != null'>AND (<foreach item='item' collection='orgLevel4Like' separator=' OR ' >UPPER(w.ORG_LEVEL_4) LIKE #{item}</foreach>)</if> "
+        + "AND (PERM_READ = 1 "
+        + "<if test='permission != null'>OR "
+        + "<if test=\"permission.name().equals('READ')\">PERM_READ</if> "
+        + "<if test=\"permission.name().equals('OPEN')\">PERM_OPEN</if> "
+        + "<if test=\"permission.name().equals('APPEND')\">PERM_APPEND</if>"
+        + "<if test=\"permission.name().equals('TRANSFER')\">PERM_TRANSFER</if>"
+        + "<if test=\"permission.name().equals('DISTRIBUTE')\">PERM_DISTRIBUTE</if>"
+        + "<if test=\"permission.name().equals('CUSTOM_1')\">PERM_CUSTOM_1</if>"
+        + "<if test=\"permission.name().equals('CUSTOM_2')\">PERM_CUSTOM_2</if>"
+        + "<if test=\"permission.name().equals('CUSTOM_3')\">PERM_CUSTOM_3</if>"
+        + "<if test=\"permission.name().equals('CUSTOM_4')\">PERM_CUSTOM_4</if>"
+        + "<if test=\"permission.name().equals('CUSTOM_5')\">PERM_CUSTOM_5</if>"
+        + "<if test=\"permission.name().equals('CUSTOM_6')\">PERM_CUSTOM_6</if>"
+        + "<if test=\"permission.name().equals('CUSTOM_7')\">PERM_CUSTOM_7</if>"
+        + "<if test=\"permission.name().equals('CUSTOM_8')\">PERM_CUSTOM_8</if>"
+        + "<if test=\"permission.name().equals('CUSTOM_9')\">PERM_CUSTOM_9</if>"
+        + "<if test=\"permission.name().equals('CUSTOM_10')\">PERM_CUSTOM_10</if>"
+        + "<if test=\"permission.name().equals('CUSTOM_11')\">PERM_CUSTOM_11</if>"
+        + "<if test=\"permission.name().equals('CUSTOM_12')\">PERM_CUSTOM_12</if> = 1 "
+        + "</if>)"
+        + "</where>"
+        + "<if test='!orderBy.isEmpty()'>ORDER BY <foreach item='orderItem' collection='orderBy' separator=',' >${orderItem}</foreach></if> "
+        + "</script>")
+    List<String> queryWorkbasketColumnValues(WorkbasketQueryImpl workbasketQuery);
+
+    @Select("<script>SELECT DISTINCT ${columnName} "
+        + "FROM WORKBASKET_ACCESS_LIST "
+        + "<where>"
+        + "<if test='idIn != null'>AND ID IN(<foreach item='item' collection='idIn' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='workbasketIdIn != null'>AND WORKBASKET_ID IN(<foreach item='item' collection='workbasketIdIn' separator=',' >#{item}</foreach>)</if> "
+        + "<if test='accessIdIn != null'>AND ACCESS_ID IN(<foreach item='item' collection='accessIdIn' separator=',' >#{item}</foreach>) </if> "
+        + "</where>"
+        + "<if test='!orderBy.isEmpty()'>ORDER BY <foreach item='orderItem' collection='orderBy' separator=',' >${orderItem}</foreach></if> "
+        + "</script>")
+    List<String> queryWorkbasketAccessItemColumnValues(WorkbasketAccessItemQueryImpl accessItemQuery);
 }

lib/taskana-core/src/test/java/acceptance/classification/QueryClassificationAccTest.java

@@ -27,6 +27,39 @@ public class QueryClassificationAccTest extends AbstractAccTest {
         super();
     }
 
+    @Test
+    public void testQueryClassificationValuesForColumnName()
+        throws SQLException, ClassificationNotFoundException, NotAuthorizedException, InvalidArgumentException {
+        ClassificationService classificationService = taskanaEngine.getClassificationService();
+        List<String> columnValueList = classificationService.createClassificationQuery()
+            .listValues("NAME", null);
+        assertNotNull(columnValueList);
+        assertEquals(15, columnValueList.size());
+
+        columnValueList = classificationService.createClassificationQuery()
+            .listValues("TYPE", null);
+        assertNotNull(columnValueList);
+        assertEquals(3, columnValueList.size());
+
+        columnValueList = classificationService.createClassificationQuery()
+            .domainIn("")
+            .listValues("TYPE", null);
+        assertNotNull(columnValueList);
+        assertEquals(2, columnValueList.size());
+
+        columnValueList = classificationService.createClassificationQuery()
+            .domainIn("")
+            .listValues("CREATED", null);
+        assertNotNull(columnValueList);
+
+        columnValueList = classificationService.createClassificationQuery()
+            .domainIn("")
+            .validInDomainEquals(false)
+            .listValues("VALID_IN_DOMAIN", null);
+        assertNotNull(columnValueList);
+        assertEquals(1, columnValueList.size());    // all are false in ""
+    }
+
     @Test
     public void testFindClassificationsByCategoryAndDomain()
         throws SQLException, ClassificationNotFoundException, NotAuthorizedException, InvalidArgumentException {

lib/taskana-core/src/test/java/acceptance/objectreference/QueryObjectReferenceAccTest.java

@@ -26,6 +26,23 @@ public class QueryObjectReferenceAccTest extends AbstractAccTest {
         super();
     }
 
+    @Test
+    public void testQueryObjectReferenceValuesForColumnName() {
+        TaskQuery taskQuery = taskanaEngine.getTaskService().createTaskQuery();
+        List<String> columnValues = taskQuery.createObjectReferenceQuery()
+            .listValues("COMPANY", null);
+        assertEquals(3, columnValues.size());
+
+        columnValues = taskQuery.createObjectReferenceQuery()
+            .listValues("SYSTEM", null);
+        assertEquals(3, columnValues.size());
+
+        columnValues = taskQuery.createObjectReferenceQuery()
+            .systemIn("System1")
+            .listValues("SYSTEM", null);
+        assertEquals(1, columnValues.size());
+    }
+
     @Test
     public void testFindObjectReferenceByCompany()
         throws SQLException, ClassificationNotFoundException, NotAuthorizedException, InvalidArgumentException {

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

@@ -1,6 +1,7 @@
 package acceptance.task;
 
 import static org.hamcrest.core.IsEqual.equalTo;
+import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertThat;
 import static org.junit.Assert.assertTrue;
@@ -52,6 +53,22 @@ public class QueryTasksAccTest extends AbstractAccTest {
         super();
     }
 
+    @Test
+    public void testQueryTaskValuesForColumnName() {
+        TaskService taskService = taskanaEngine.getTaskService();
+        List<String> columnValueList = taskService.createTaskQuery()
+            .ownerLike("%user%")
+            .orderByOwner(desc)
+            .listValues("OWNER", null);
+        assertNotNull(columnValueList);
+        assertEquals(3, columnValueList.size());
+
+        columnValueList = taskService.createTaskQuery()
+            .listValues("STATE", null);
+        assertNotNull(columnValueList);
+        assertEquals(3, columnValueList.size());
+    }
+
     @WithAccessId(
         userName = "teamlead_1",
         groupNames = {"group_1", "group_2"})

lib/taskana-core/src/test/java/acceptance/workbasket/QueryWorkbasketAccTest.java

@@ -1,5 +1,8 @@
 package acceptance.workbasket;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
 import java.sql.SQLException;
 import java.util.List;
 
@@ -33,6 +36,25 @@ public class QueryWorkbasketAccTest extends AbstractAccTest {
         super();
     }
 
+    @WithAccessId(
+        userName = "teamlead_1",
+        groupNames = {"group_1"})
+    @Test
+    public void testQueryWorkbasketValuesForColumnName() throws NotAuthorizedException {
+        WorkbasketService workbasketService = taskanaEngine.getWorkbasketService();
+        List<String> columnValueList = workbasketService.createWorkbasketQuery()
+            .listValues("NAME", null);
+        assertNotNull(columnValueList);
+        assertEquals(9, columnValueList.size());
+
+        columnValueList = workbasketService.createWorkbasketQuery()
+            .nameLike("%korb%")
+            .orderByName(asc)
+            .listValues("NAME", SortDirection.DESCENDING);  // will override
+        assertNotNull(columnValueList);
+        assertEquals(3, columnValueList.size());
+    }
+
     @WithAccessId(
         userName = "teamlead_1",
         groupNames = {"group_1"})

lib/taskana-core/src/test/java/acceptance/workbasket/QueryWorkbasketAccessItemsAccTest.java

@@ -1,5 +1,8 @@
 package acceptance.workbasket;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
 import java.sql.SQLException;
@@ -34,6 +37,26 @@ public class QueryWorkbasketAccessItemsAccTest extends AbstractAccTest {
         super();
     }
 
+    @WithAccessId(
+        userName = "dummy",
+        groupNames = {"businessadmin"})
+    @Test
+    public void testQueryWorkbasketAccessItemValuesForColumnName() throws NotAuthorizedException {
+        WorkbasketService workbasketService = taskanaEngine.getWorkbasketService();
+        List<String> columnValueList = workbasketService.createWorkbasketAccessItemQuery()
+            .listValues("WORKBASKET_ID", null);
+        assertNotNull(columnValueList);
+        assertEquals(23, columnValueList.size());
+
+        columnValueList = workbasketService.createWorkbasketAccessItemQuery()
+            .listValues("ACCESS_ID", null);
+        assertNotNull(columnValueList);
+        assertEquals(9, columnValueList.size());
+
+        long countEntries = workbasketService.createWorkbasketAccessItemQuery().count();
+        assertTrue(columnValueList.size() < countEntries);  // DISTINCT
+    }
+
     @WithAccessId(
         userName = "dummy",
         groupNames = {"businessadmin"})
@@ -53,10 +76,10 @@ public class QueryWorkbasketAccessItemsAccTest extends AbstractAccTest {
     public void testQueryAccessItemsForAccessIdsNotAuthorized()
         throws SQLException, NotAuthorizedException, InvalidArgumentException {
         WorkbasketService workbasketService = taskanaEngine.getWorkbasketService();
-        List<WorkbasketAccessItem> results = workbasketService.createWorkbasketAccessItemQuery()
+        workbasketService.createWorkbasketAccessItemQuery()
             .accessIdIn("user_1_1", "group_1")
             .list();
-        fail("NotAuthorizedException was expected");
+        fail("NotAuthorizedException was expected.");
     }
 
     @WithAccessId(

lib/taskana-core/src/test/java/pro/taskana/impl/TestClassificationQuery.java

@@ -282,4 +282,9 @@ public class TestClassificationQuery implements ClassificationQuery {
     public ClassificationQuery modifiedWithin(TimeInterval... modifiedIn) {
         return this;
     }
+
+    @Override
+    public List<String> listValues(String dbColumnName, SortDirection sortDirection) {
+        return new ArrayList<>();
+    }
 }