Made column super type final - it never changes.
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-metamodel.git
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-metamodel
METAMODEL-9: SalesforceDataSet is throwing exception for insert sql of
record having date/time.