[ https://issues.jboss.org/browse/TEIID-2848?page=com.atlassian.jira.plugin... ] Ivan Chan commented on TEIID-2848: ---------------------------------- It seems like Teiid appends "IS NOT NULL" at the end of the SQL org.teiid.query.sql.lang.Query:SELECT MongoDB_Array.TeiidArray.CustomerID, MongoDB_Array.TeiidArray.FirstName, MongoDB_Array.TeiidArray.LastName, MongoDB_Array.TeiidArray.LanguageClass FROM MongoDB_Array.TeiidArray WHERE MongoDB_Array.TeiidArray.LanguageClass IS NOT NULL org.teiid.jdbc.TeiidSQLException: TEIID30504 2051904800: TEIID18027 Any operations on array type column LanguageClass are not supported currently. at org.teiid.jdbc.TeiidSQLException.create(TeiidSQLException.java:135) at org.teiid.jdbc.TeiidSQLException.create(TeiidSQLException.java:71) at org.teiid.jdbc.StatementImpl.postReceiveResults(StatementImpl.java:667) at org.teiid.jdbc.StatementImpl.access$100(StatementImpl.java:63) at org.teiid.jdbc.StatementImpl$2.onCompletion(StatementImpl.java:515) at org.teiid.client.util.ResultsFuture.addCompletionListener(ResultsFuture.java:148) at org.teiid.jdbc.StatementImpl.executeSql(StatementImpl.java:511) at org.teiid.jdbc.StatementImpl.executeSql(StatementImpl.java:393) at org.teiid.jdbc.StatementImpl.executeQuery(StatementImpl.java:327) at com.jaspersoft.commons.semantic.metaapi.impl.jdbc.BaseJdbcMetaDataFactoryImpl.getColumnsFromJDBCQuery(BaseJdbcMetaDataFactoryImpl.java:180) at com.jaspersoft.ji.semantic.action.DomainDesignerAction.runJDBCQuery(DomainDesignerAction.java:2111) -- This message was sent by Atlassian JIRA (v6.3.1#6329)