* EOAccess/EODatabase.m
o in -entityForObject: test for EONull or nil instead of just nil
* EOAccess/EODatabaseContext.m:
o in -valuesForKeys:object: test for EONull or nil instead of just nil
* EOControl/EOGenericRecord.m:
o replaced GSObjCFindVariable by GSObjCFindInstanceVariable
o replaced GSObjCGetValue by GSGetValue
o replaced GSObjCSetValue by GSSetValue
* EOAccess/EOSQLExpression.m:
o changed assertion message in -sqlStringForAttributeNamed:
* EOAccess/EOSQLQualifier.m:
o finished EOAndQualifier -schemaBasedQualifierWithRootEntity implementation
o done EOOrQualifier -schemaBasedQualifierWithRootEntity implementation
o modified EOKeyValueQualifier -schemaBasedQualifierWithRootEntity:
to use EONull for EONull value relationship attribute value
so it will make sql like is null instead of = NULL which
doesn't work on Postgresql.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gdl2/trunk@15189 72102866-910b-0410-8b05-ffd578937521