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Silence compiler warnings

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In GetCachedPlan(), initialize 'plan' to silence a compiler warning, but
also add an Assert() to make sure we don't ever actually fall through
with 'plan' still being set to NULL, since we are about to dereference
it.

Back-patch back to 9.2.

Author: Stephen Frost
Discussion: https://postgr.es/m/20161129152102.GR13284%40tamriel.snowman.net
This commit is contained in:
Joe Conway 2017-01-02 14:12:28 -08:00
parent 3f9479603c
commit 6b4a1764aa
1 changed files with 3 additions and 1 deletions
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4
src/backend/utils/cache/plancache.c vendored
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@ -1093,7 +1093,7 @@ CachedPlan *
GetCachedPlan(CachedPlanSource *plansource, ParamListInfo boundParams,
bool useResOwner)
{
CachedPlan *plan;
CachedPlan *plan = NULL;
List *qlist;
bool customplan;
@ -1175,6 +1175,8 @@ GetCachedPlan(CachedPlanSource *plansource, ParamListInfo boundParams,
}
}
Assert(plan != NULL);
/* Flag the plan as in use by caller */
if (useResOwner)
ResourceOwnerEnlargePlanCacheRefs(CurrentResourceOwner);