On 2016-08-17 17:41:28 -0700, Andres Freund wrote: > Tom, do you think this is roughly going in the right direction? My plan > here is to develop two patches, to come before this: > > a) Allow to avoid using a tuplestore for SRF_PERCALL SRFs in ROWS FROM - > otherwise our performance would regress noticeably in some cases. > b) Allow ROWS FROM() to return SETOF RECORD type SRFs as one column, > instead of expanded. That's important to be able move SETOF RECORD > returning functions in the targetlist into ROWS FROM, which otherwise > requires an explicit column list.
I'm working on these. Atm ExecMakeTableFunctionResult() resides in execQual.c - I'm inlining it into nodeFunctionscan.c now, because there's no other callers, and having it separate seems to bring no benefit. Please speak soon up if you disagree. Andres -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
