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Fix misleading comment in paraminfo_get_equal_hashops

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The comment mistakenly claimed the code was checking PlaceHolderVars for
volatile functions when the code was actually checking lateral vars.

Update the comment to reflect the reality of the code.

Author: Richard Guo
Discussion: https://postgr.es/m/CAMbWs48HZGZOV85g0fx8z1qDx6NNKHexJPT2FCnKnZhxBWkd-A@mail.gmail.com
This commit is contained in:
David Rowley
2023-08-07 18:16:46 +12:00
parent 6c00d2c9d4
commit fdd79d8992
1 changed files with 1 additions and 1 deletions
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2
src/backend/optimizer/path/joinpath.c
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@ -529,7 +529,7 @@ paraminfo_get_equal_hashops(PlannerInfo *root, ParamPathInfo *param_info,
Node *expr = (Node *) lfirst(lc);
TypeCacheEntry *typentry;
/* Reject if there are any volatile functions in PHVs */
/* Reject if there are any volatile functions in lateral vars */
if (contain_volatile_functions(expr))
{
list_free(*operators);