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2022年3月27日 19:05:22 +0000 (15:05 -0400)

flatten_join_alias_vars_mutator counted attnums, but didn't
do anything with the count (no doubt it did at one time).

Noted by buildfarm member seawasp.

src/backend/optimizer/util/var.c patch | blob | blame | history

diff --git a/src/backend/optimizer/util/var.c b/src/backend/optimizer/util/var.c

index 2b44ef3e1769ce7b8df9e903997d4151aefc499c..6d11d187a0c4bf93334c3ce81eb911f7b7149289 100644 (file)

--- a/src/backend/optimizer/util/var.c

+++ b/src/backend/optimizer/util/var.c

@@ -774,16 +774,13 @@ flatten_join_alias_vars_mutator(Node *node,

RowExpr *rowexpr;

List *fields = NIL;

List *colnames = NIL;

- AttrNumber attnum;

ListCell *lv;

ListCell *ln;

- attnum = 0;

Assert(list_length(rte->joinaliasvars) == list_length(rte->eref->colnames));

forboth(lv, rte->joinaliasvars, ln, rte->eref->colnames)

{

newvar = (Node *) lfirst(lv);

- attnum++;

/* Ignore dropped columns */

if (newvar == NULL)

continue;

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