DB2 Errors with DB2 Type 4 Driver ERRORCODE= 4460 - madhusudana30/AlternativeJPAForWebSphere GitHub Wiki

Invalid Column Name issue: Invalid parameter: Unknown column name to_char(DATE,'DD'). ERRORCODE=-4460, SQLSTATE=null

Solution: Define alias for all select columns in Query. Java code changes are required to add alias names and also to make sure relevant code changes.