Ronan Dunklau <ronan.dunk...@dalibo.com> writes: > From my point of view as a FDW implementor, the feature I need is to have > EXPLAIN (COSTS ON) with stable output for foreign scan nodes.
Well, as long as the FDW's costing is exactly predictable, you can have that ... > In the Multicorn FDW (Python API on top of the C-API), we introduced this > commit to make the tests pass on 9.4: > https://github.com/Kozea/Multicorn/commit/76decb360b822b57bf322892ed6c504ba44a8b28 > Clearly, we've lost the ability to test that the costs as set from the Python > API are indeed used. We did fix that yesterday. The remaining argument is about whether it's practical to get platform-independent output out of EXPLAIN ANALYZE. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers