On Mon, Jan 30, 2017 at 6:54 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > Andres Freund <and...@anarazel.de> writes: >> Wonder if we there's an argument to be made for implementing this >> roughly similarly to split_pathtarget_at_srf - instead of injecting a >> ProjectSet node we'd add a FunctionScan node below a Result node. > > Yeah, possibly. That would have the advantage of avoiding an ExecProject > step when the SRFs aren't buried, which would certainly be the expected > case. > > If you don't want to make ExecInitExpr responsible, then the planner would > have to do something like split_pathtarget_at_srf anyway to decompose the > expressions, no matter which executor representation we use.
Did we do anything about this? Are we going to? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
