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Commit332fdbe

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postgres_fdw: Promote an Assert() to elog().
Andreas Seltenreich reports that it is possible for a PlaceHolderVarto creep into this tlist, and I fear that even after that's fixed wemight have other, similar bugs in this area either now or in thefuture. There's a lot of action-at-a-distance here, because thevalidity of this assertion depends on core planner behavior; so, let'suse elog() to make sure we catch this even in non-assert builds,rather than just crashing.
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‎contrib/postgres_fdw/deparse.c‎

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1112,8 +1112,10 @@ deparseExplicitTargetList(List *tlist, List **retrieved_attrs,
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/* Extract expression if TargetEntry node */
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Assert(IsA(tle,TargetEntry));
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var= (Var*)tle->expr;
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/* We expect only Var nodes here */
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Assert(IsA(var,Var));
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if (!IsA(var,Var))
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elog(ERROR,"non-Var not expected in target list");
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if (i>0)
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appendStringInfoString(buf,", ");

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