Hi, I need to do a Like search in an XMLType column. Apparently I've to first extract a clob from it and then do the Like. So the generated query looks the following :

SELECT "TFK_LOGGING_ACTION"."ACTION_NAME" AS "ActionName", "TFK_LOGGING_ACTION"."BEGIN_TIME" AS "BeginTime", "TFK_LOGGING_ACTION"."CLIENT_COMPUTER_NAME" AS "ClientComputerName", "TFK_LOGGING_ACTION"."DURATION" AS "Duration", "TFK_LOGGING_ACTION"."END_TIME" AS "EndTime", "TFK_LOGGING_ACTION"."ERROR_MESSAGE" AS "ErrorMessage", "TFK_LOGGING_ACTION"."ID" AS "Id", "TFK_LOGGING_ACTION"."SERVER_COMPUTER_NAME" AS "ServerComputerName", "TFK_LOGGING_ACTION"."USER_CODE" AS "UserCode", "TFK_LOGGING_ACTION"."USER_SERVICE" AS "UserService" FROM ( "TFK_LOGGING_ACTION"  INNER JOIN "TFK_LOGGING_MESSAGE" "LPA_m1"  ON  "TFK_LOGGING_ACTION"."ID"="LPA_m1"."ACTION_ID") WHERE ( ( [b]LPA_m1.REPLY.GetClobVal() LIKE '%76092421842%'[/b])) ORDER BY "TFK_LOGGING_ACTION"."BEGIN_TIME" ASC

This gives the following ORA error : ORA-00904: "LPA_M1"."REPLY"."GETCLOBVAL": invalid identifier

Here is my code :

EntityCollection<TfkLoggingActionEntity> loggings = new EntityCollection<TfkLoggingActionEntity>();
IRelationPredicateBucket filter = new RelationPredicateBucket();
filter.Relations.Add(TfkLoggingActionEntity.Relations.TfkLoggingMessageEntityUsingActionId, "m");
EntityField fieldWithXml = new EntityField("testReply", new DbFunctionCall("LPA_m1.reply.GetClobVal", null)); =>"LPA_m1" is needed because my "m" alias is changed into that.
filter.PredicateExpression.Add(fieldWithXml % reply); =>reply = "%76092421842%"

Please help.

EntityField fieldWithXml = new EntityField("testReply", new DbFunctionCall("LPA_m1.reply.GetClobVal", null)); =>"LPA_m1" is needed because my "m" alias is changed into that.

Don't do that. Instead set the entityField.ObjectAlias to the alias you have used in the Relation "m"

Walaa wrote:

EntityField fieldWithXml = new EntityField("testReply", new DbFunctionCall("LPA_m1.reply.GetClobVal", null)); =>"LPA_m1" is needed because my "m" alias is changed into that.

Don't do that. Instead set the entityField.ObjectAlias to the alias you have used in the Relation "m"

fieldWithXml.ObjectAlias = "m"; It does not change anything to the generated query. If I do this it works : EntityField fieldWithXml = new EntityField("testReply", new DbFunctionCall(@"""LPA_m1"".reply.GetClobVal", null)); But I agree that it is not a good solution. Anything else is welcome.

You also could try this:

EntityField fieldWithXml = new EntityField("testReply", 
     new DbFunctionCall("{0}.GetClobVal()", new object[] { TfkLoggingMessageFields.Reply }));

... that way the framework will take care of the field alias, schema, etc.

daelmo wrote:

You also could try this:

EntityField fieldWithXml = new EntityField("testReply", 
     new DbFunctionCall("{0}.GetClobVal()", new object[] { TfkLoggingMessageFields.Reply }));

... that way the framework will take care of the field alias, schema, etc.

This makes FetchEntityCollection crashing. Message : Object reference not set to an instance of an object.

StackTrace :

at SD.LLBLGen.Pro.DQE.Oracle.OracleSpecificCreator.CreateObjectName(IFieldPersistenceInfo persistenceInfo) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\OracleDQE\OracleSpecificCreator.cs:line 363 at SD.LLBLGen.Pro.ORMSupportClasses.DbSpecificCreatorBase.CreateFieldName(IFieldPersistenceInfo persistenceInfo, String fieldName, String objectAlias, Boolean appendAlias, String containingObjectName, String actualContainingObjectName) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Persistence\DbSpecificCreatorBase.cs:line 253 at SD.LLBLGen.Pro.ORMSupportClasses.DbSpecificCreatorBase.ConvertFieldToRawName(IEntityFieldCore fieldCore, IFieldPersistenceInfo persistenceInfo, String fieldName, String objectAlias, Boolean applyAggregateFunction) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Persistence\DbSpecificCreatorBase.cs:line 979 at SD.LLBLGen.Pro.ORMSupportClasses.DbSpecificCreatorBase.CreateFieldName(IEntityFieldCore fieldCore, IFieldPersistenceInfo persistenceInfo, String fieldName, String objectAlias, Boolean applyAggregateFunction) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Persistence\DbSpecificCreatorBase.cs:line 286 at SD.LLBLGen.Pro.ORMSupportClasses.DbFunctionCall.CreateParameterFragments(Boolean inHavingClause) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Expressions\DbFunctionCall.cs:line 229 at SD.LLBLGen.Pro.ORMSupportClasses.DbFunctionCall.ToQueryText(Boolean inHavingClause) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Expressions\DbFunctionCall.cs:line 148 at SD.LLBLGen.Pro.ORMSupportClasses.DbFunctionCall.SD.LLBLGen.Pro.ORMSupportClasses.IExpression.ToQueryText(Boolean inHavingClause) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Expressions\DbFunctionCall.cs:line 302 at SD.LLBLGen.Pro.ORMSupportClasses.DbSpecificCreatorBase.ConvertFieldToRawName(IEntityFieldCore fieldCore, IFieldPersistenceInfo persistenceInfo, String fieldName, String objectAlias, Boolean applyAggregateFunction) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Persistence\DbSpecificCreatorBase.cs:line 986 at SD.LLBLGen.Pro.ORMSupportClasses.DbSpecificCreatorBase.CreateFieldName(IEntityFieldCore fieldCore, IFieldPersistenceInfo persistenceInfo, String fieldName, String objectAlias, Boolean applyAggregateFunction) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Persistence\DbSpecificCreatorBase.cs:line 286 at SD.LLBLGen.Pro.ORMSupportClasses.FieldLikePredicate.ToQueryText(Boolean inHavingClause) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\QueryApiElements\FieldLikePredicate.cs:line 248 at SD.LLBLGen.Pro.ORMSupportClasses.PredicateExpression.ToQueryText(Boolean inHavingClause) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\QueryApiElements\PredicateExpression.cs:line 225 at SD.LLBLGen.Pro.ORMSupportClasses.PredicateExpression.ToQueryText(Boolean inHavingClause) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\QueryApiElements\PredicateExpression.cs:line 225 at SD.LLBLGen.Pro.ORMSupportClasses.PredicateExpression.ToQueryText() in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\QueryApiElements\PredicateExpression.cs:line 178 at SD.LLBLGen.Pro.ORMSupportClasses.DynamicQueryEngineBase.AppendWhereClause(IPredicate filter, QueryFragments destination, IQuery query) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Persistence\DynamicQueryEngineBase.cs:line 1501 at SD.LLBLGen.Pro.DQE.Oracle.DynamicQueryEngine.CreateSelectDQ(IEntityFieldCore[] selectList, IFieldPersistenceInfo[] fieldsPersistenceInfo, IRetrievalQuery query, IPredicate selectFilter, Int64 maxNumberOfItemsToReturn, ISortExpression sortClauses, IRelationCollection relationsToWalk, Boolean allowDuplicates, IGroupByCollection groupByClause, Boolean relationsSpecified, Boolean sortClausesSpecified) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\OracleDQE\DynamicQueryEngine.cs:line 383 at SD.LLBLGen.Pro.ORMSupportClasses.DynamicQueryEngineBase.CreateSelectDQ(IEntityFieldCore[] selectList, IFieldPersistenceInfo[] fieldsPersistenceInfo, DbConnection connectionToUse, IPredicate selectFilter, Int64 maxNumberOfItemsToReturn, ISortExpression sortClauses, IRelationCollection relationsToWalk, Boolean allowDuplicates, IGroupByCollection groupByClause) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Persistence\DynamicQueryEngineBase.cs:line 1142 at SD.LLBLGen.Pro.DQE.Oracle.DynamicQueryEngine.CreatePagingSelectDQ(IEntityFieldCore[] selectList, IFieldPersistenceInfo[] fieldsPersistenceInfo, DbConnection connectionToUse, IPredicate selectFilter, Int64 maxNumberOfItemsToReturn, ISortExpression sortClauses, IRelationCollection relationsToWalk, Boolean allowDuplicates, IGroupByCollection groupByClause, Int32 pageNumber, Int32 pageSize) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\OracleDQE\DynamicQueryEngine.cs:line 472 at SD.LLBLGen.Pro.ORMSupportClasses.DynamicQueryEngineBase.CreateSelectDQ(IEntityFieldCore[] selectList, IFieldPersistenceInfo[] fieldsPersistenceInfo, DbConnection connectionToUse, IPredicate selectFilter, Int64 maxNumberOfItemsToReturn, ISortExpression sortClauses, IRelationCollection relationsToWalk, Boolean allowDuplicates, IGroupByCollection groupByClause, Int32 pageNumber, Int32 pageSize) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Persistence\DynamicQueryEngineBase.cs:line 1210 at SD.LLBLGen.Pro.ORMSupportClasses.DataAccessAdapterBase.CreateSelectDQ(IEntityFields2 fieldsToFetch, IFieldPersistenceInfo[] persistenceInfoObjects, IPredicateExpression filter, Int64 maxNumberOfItemsToReturn, ISortExpression sortClauses, IRelationCollection relationsToWalk, Boolean allowDuplicates, IGroupByCollection groupByClause, Int32 pageNumber, Int32 pageSize) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\AdapterSpecific\DataAccessAdapterBase.cs:line 4396 at SD.LLBLGen.Pro.ORMSupportClasses.DataAccessAdapterBase.FetchEntityCollectionInternal(IEntityCollection2 collectionToFill, IRelationPredicateBucket& filterBucket, Int32 maxNumberOfItemsToReturn, ISortExpression sortClauses, ExcludeIncludeFieldsList excludedIncludedFields, Int32 pageNumber, Int32 pageSize) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\AdapterSpecific\DataAccessAdapterBase.cs:line 4519 at SD.LLBLGen.Pro.ORMSupportClasses.DataAccessAdapterBase.FetchEntityCollection(IEntityCollection2 collectionToFill, IRelationPredicateBucket filterBucket, Int32 maxNumberOfItemsToReturn, ISortExpression sortClauses, IPrefetchPath2 prefetchPath, ExcludeIncludeFieldsList excludedIncludedFields, Int32 pageNumber, Int32 pageSize) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\AdapterSpecific\DataAccessAdapterBase.cs:line 2420 at SD.LLBLGen.Pro.ORMSupportClasses.DataAccessAdapterBase.FetchEntityCollection(IEntityCollection2 collectionToFill, IRelationPredicateBucket filterBucket, Int32 maxNumberOfItemsToReturn, ISortExpression sortClauses, IPrefetchPath2 prefetchPath) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\AdapterSpecific\DataAccessAdapterBase.cs:line 2317 at RI.Pen.Server.Mgt.BL.Logging.ReadLogging(SearchCriteria criteria, String message, String request, String reply) in C:\Dev\RI\Pen\Server\Sources\Mgt\4.BusinessLogic\Logging.cs:line 126 at RI.Pen.Server.Mgt.BF.TechnicalFollowupFacade.ReadLogging(QueryObjectContainer searchCriteria) in C:\Dev\RI\Pen\Server\Sources\Mgt\2.Facade\TechnicalFollowupFacade.cs:line 103 at RI.Pen.Server.Mgt.Services.Implementations.TechnicalFollowup.ReadLogging(QueryObjectContainer searchCriteria) in C:\Dev\RI\Pen\Server\Sources\Mgt\1.Services\Implementations\TechnicalFollowup.cs:line 48

What about this?

var replyField = TfkLoggingMessageFields.Reply;
replyField.SetObjectAlias("m");

EntityField fieldWithXml = new EntityField("testReply", 
     new DbFunctionCall("{0}.GetClobVal()", new object[] { replyField }));

Walaa wrote:

What about this?

var replyField = TfkLoggingMessageFields.Reply;
replyField.SetObjectAlias("m");

EntityField fieldWithXml = new EntityField("testReply", 
     new DbFunctionCall("{0}.GetClobVal()", new object[] { replyField }));

Same error but different stack strace :

at SD.LLBLGen.Pro.ORMSupportClasses.DbSpecificCreatorBase.CreateFieldName(IFieldPersistenceInfo persistenceInfo, String fieldName, String objectAlias, Boolean appendAlias, String containingObjectName, String actualContainingObjectName) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Persistence\DbSpecificCreatorBase.cs:line 260 at SD.LLBLGen.Pro.ORMSupportClasses.DbSpecificCreatorBase.ConvertFieldToRawName(IEntityFieldCore fieldCore, IFieldPersistenceInfo persistenceInfo, String fieldName, String objectAlias, Boolean applyAggregateFunction) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Persistence\DbSpecificCreatorBase.cs:line 979 at SD.LLBLGen.Pro.ORMSupportClasses.DbSpecificCreatorBase.CreateFieldName(IEntityFieldCore fieldCore, IFieldPersistenceInfo persistenceInfo, String fieldName, String objectAlias, Boolean applyAggregateFunction) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Persistence\DbSpecificCreatorBase.cs:line 286 at SD.LLBLGen.Pro.ORMSupportClasses.DbFunctionCall.CreateParameterFragments(Boolean inHavingClause) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Expressions\DbFunctionCall.cs:line 229 at SD.LLBLGen.Pro.ORMSupportClasses.DbFunctionCall.ToQueryText(Boolean inHavingClause) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Expressions\DbFunctionCall.cs:line 148 at SD.LLBLGen.Pro.ORMSupportClasses.DbFunctionCall.SD.LLBLGen.Pro.ORMSupportClasses.IExpression.ToQueryText(Boolean inHavingClause) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Expressions\DbFunctionCall.cs:line 302 at SD.LLBLGen.Pro.ORMSupportClasses.DbSpecificCreatorBase.ConvertFieldToRawName(IEntityFieldCore fieldCore, IFieldPersistenceInfo persistenceInfo, String fieldName, String objectAlias, Boolean applyAggregateFunction) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Persistence\DbSpecificCreatorBase.cs:line 986 at SD.LLBLGen.Pro.ORMSupportClasses.DbSpecificCreatorBase.CreateFieldName(IEntityFieldCore fieldCore, IFieldPersistenceInfo persistenceInfo, String fieldName, String objectAlias, Boolean applyAggregateFunction) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Persistence\DbSpecificCreatorBase.cs:line 286 at SD.LLBLGen.Pro.ORMSupportClasses.FieldLikePredicate.ToQueryText(Boolean inHavingClause) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\QueryApiElements\FieldLikePredicate.cs:line 248 at SD.LLBLGen.Pro.ORMSupportClasses.PredicateExpression.ToQueryText(Boolean inHavingClause) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\QueryApiElements\PredicateExpression.cs:line 225 at SD.LLBLGen.Pro.ORMSupportClasses.PredicateExpression.ToQueryText(Boolean inHavingClause) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\QueryApiElements\PredicateExpression.cs:line 225 at SD.LLBLGen.Pro.ORMSupportClasses.PredicateExpression.ToQueryText() in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\QueryApiElements\PredicateExpression.cs:line 178 at SD.LLBLGen.Pro.ORMSupportClasses.DynamicQueryEngineBase.AppendWhereClause(IPredicate filter, QueryFragments destination, IQuery query) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Persistence\DynamicQueryEngineBase.cs:line 1501 at SD.LLBLGen.Pro.DQE.Oracle.DynamicQueryEngine.CreateSelectDQ(IEntityFieldCore[] selectList, IFieldPersistenceInfo[] fieldsPersistenceInfo, IRetrievalQuery query, IPredicate selectFilter, Int64 maxNumberOfItemsToReturn, ISortExpression sortClauses, IRelationCollection relationsToWalk, Boolean allowDuplicates, IGroupByCollection groupByClause, Boolean relationsSpecified, Boolean sortClausesSpecified) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\OracleDQE\DynamicQueryEngine.cs:line 383 at SD.LLBLGen.Pro.ORMSupportClasses.DynamicQueryEngineBase.CreateSelectDQ(IEntityFieldCore[] selectList, IFieldPersistenceInfo[] fieldsPersistenceInfo, DbConnection connectionToUse, IPredicate selectFilter, Int64 maxNumberOfItemsToReturn, ISortExpression sortClauses, IRelationCollection relationsToWalk, Boolean allowDuplicates, IGroupByCollection groupByClause) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Persistence\DynamicQueryEngineBase.cs:line 1142 at SD.LLBLGen.Pro.DQE.Oracle.DynamicQueryEngine.CreatePagingSelectDQ(IEntityFieldCore[] selectList, IFieldPersistenceInfo[] fieldsPersistenceInfo, DbConnection connectionToUse, IPredicate selectFilter, Int64 maxNumberOfItemsToReturn, ISortExpression sortClauses, IRelationCollection relationsToWalk, Boolean allowDuplicates, IGroupByCollection groupByClause, Int32 pageNumber, Int32 pageSize) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\OracleDQE\DynamicQueryEngine.cs:line 472 at SD.LLBLGen.Pro.ORMSupportClasses.DynamicQueryEngineBase.CreateSelectDQ(IEntityFieldCore[] selectList, IFieldPersistenceInfo[] fieldsPersistenceInfo, DbConnection connectionToUse, IPredicate selectFilter, Int64 maxNumberOfItemsToReturn, ISortExpression sortClauses, IRelationCollection relationsToWalk, Boolean allowDuplicates, IGroupByCollection groupByClause, Int32 pageNumber, Int32 pageSize) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\Persistence\DynamicQueryEngineBase.cs:line 1210 at SD.LLBLGen.Pro.ORMSupportClasses.DataAccessAdapterBase.CreateSelectDQ(IEntityFields2 fieldsToFetch, IFieldPersistenceInfo[] persistenceInfoObjects, IPredicateExpression filter, Int64 maxNumberOfItemsToReturn, ISortExpression sortClauses, IRelationCollection relationsToWalk, Boolean allowDuplicates, IGroupByCollection groupByClause, Int32 pageNumber, Int32 pageSize) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\AdapterSpecific\DataAccessAdapterBase.cs:line 4396 at SD.LLBLGen.Pro.ORMSupportClasses.DataAccessAdapterBase.FetchEntityCollectionInternal(IEntityCollection2 collectionToFill, IRelationPredicateBucket& filterBucket, Int32 maxNumberOfItemsToReturn, ISortExpression sortClauses, ExcludeIncludeFieldsList excludedIncludedFields, Int32 pageNumber, Int32 pageSize) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\AdapterSpecific\DataAccessAdapterBase.cs:line 4519 at SD.LLBLGen.Pro.ORMSupportClasses.DataAccessAdapterBase.FetchEntityCollection(IEntityCollection2 collectionToFill, IRelationPredicateBucket filterBucket, Int32 maxNumberOfItemsToReturn, ISortExpression sortClauses, IPrefetchPath2 prefetchPath, ExcludeIncludeFieldsList excludedIncludedFields, Int32 pageNumber, Int32 pageSize) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\AdapterSpecific\DataAccessAdapterBase.cs:line 2420 at SD.LLBLGen.Pro.ORMSupportClasses.DataAccessAdapterBase.FetchEntityCollection(IEntityCollection2 collectionToFill, IRelationPredicateBucket filterBucket, Int32 maxNumberOfItemsToReturn, ISortExpression sortClauses, IPrefetchPath2 prefetchPath) in c:\Myprojects\VS.NET Projects\LLBLGen Pro v3.5\Frameworks\LLBLGen Pro\RuntimeLibraries\ORMSupportClasses\AdapterSpecific\DataAccessAdapterBase.cs:line 2317 at RI.Pen.Server.Mgt.BL.Logging.ReadLogging(SearchCriteria criteria, String message, String request, String reply) in C:\Dev\RI\Pen\Server\Sources\Mgt\4.BusinessLogic\Logging.cs:line 132 at RI.Pen.Server.Mgt.BF.TechnicalFollowupFacade.ReadLogging(QueryObjectContainer searchCriteria) in C:\Dev\RI\Pen\Server\Sources\Mgt\2.Facade\TechnicalFollowupFacade.cs:line 83 at RI.Pen.Server.Mgt.Services.Implementations.TechnicalFollowup.ReadLogging(QueryObjectContainer searchCriteria) in C:\Dev\RI\Pen\Server\Sources\Mgt\1.Services\Implementations\TechnicalFollowup.cs:line 48

The problem is that you are using EntityField which is for SelfServicing template and you are using Adapter, so you must use EntityField2. The exception is because the field doesn't have any persistence info. So use EntityField2. This is a test with a XMLType field I added to Departments:

// expression to extract the xml of the column
var fieldXml = new EntityField2("fxml", new DbFunctionCall("{0}.GetClobVal()",
    new object[] { DepartmentFields.Myxml }));

// build the filter
var filter = new RelationPredicateBucket(fieldXml % "abc");
filter.Relations.Add(EmployeeEntity.Relations.DepartmentEntityUsingDepartmentId);

// fetch
var employees = new EntityCollection<EmployeeEntity>();
using (var adapter = new DataAccessAdapter())
{
    adapter.FetchEntityCollection(employees, filter);
}