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Remove useless variable.

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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.
This commit is contained in:
Tom Lane 2022-03-27 15:05:22 -04:00
parent 641a9b7167
commit c2d81ee902
1 changed files with 0 additions and 3 deletions
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src/backend/optimizer/util/var.c
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@ -774,16 +774,13 @@ flatten_join_alias_vars_mutator(Node *node,
RowExpr *rowexpr; RowExpr *rowexpr;
List *fields = NIL; List *fields = NIL;
List *colnames = NIL; List *colnames = NIL;
AttrNumber attnum;
ListCell *lv; ListCell *lv;
ListCell *ln; ListCell *ln;
attnum = 0;
Assert(list_length(rte->joinaliasvars) == list_length(rte->eref->colnames)); Assert(list_length(rte->joinaliasvars) == list_length(rte->eref->colnames));
forboth(lv, rte->joinaliasvars, ln, rte->eref->colnames) forboth(lv, rte->joinaliasvars, ln, rte->eref->colnames)
{ {
newvar = (Node *) lfirst(lv); newvar = (Node *) lfirst(lv);
attnum++;
/* Ignore dropped columns */ /* Ignore dropped columns */
if (newvar == NULL) if (newvar == NULL)
continue; continue;