Source capability definition in Teiid
Teiid process request will check source capability, if source not support a capability, the Teiid engine will process aggregating, computing, or else, teiid engine will put the aggregating, computing, etc, down to source.
- QUERY_SELECT_DISTINCT
- QUERY_SELECT_EXPRESSION
- QUERY_FROM_JOIN_INNER
- QUERY_FROM_ANSI_JOIN
- QUERY_FROM_JOIN_OUTER
- QUERY_FROM_JOIN_OUTER_FULL