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(parent: ec62cb0) | patch
Don't bother to attach column name lists to RowExprs of named types.
2022年3月17日 22:25:44 +0000 (18:25 -0400)
2022年3月17日 22:25:44 +0000 (18:25 -0400)
commit d7b5c071dd6af2b81a7042dc60295061c7230cdc
Don't bother to attach column name lists to RowExprs of named types.

If a RowExpr is marked as returning a named composite type, we aren't
going to consult its colnames list; we'll use the attribute names
shown for the type in pg_attribute. Hence, skip storing that list,
to save a few nanoseconds when copying the expression tree around.

Discussion: https://postgr.es/m/2950001.1638729947@sss.pgh.pa.us
src/backend/optimizer/prep/prepjointree.c diff | blob | blame | history
src/backend/optimizer/util/var.c diff | blob | blame | history
src/backend/rewrite/rewriteManip.c diff | blob | blame | history
src/include/nodes/primnodes.h diff | blob | blame | history
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