On Sat, 2018-01-06 at 20:29 +0000, Simon Riggs wrote: > * various PostJoinSetProjection() functions to be called as needed > So the idea is we enable Postgres to allow major new functionality, > as was done for PostGIS so successfully.
If we use a post-join approach many intermediate result tuples, that do not contribute to the final result would be emmitted, and thus the performance would suffer. Best regards, Anton, Johann, Michael, Peter
