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Commit00f2a25

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Add missing initializations of p_perminfo
Ina61b1f7, we failed to update transformFromClauseItem() andbuildNSItemFromLists() to set ParseNamespaceItem.p_perminfo causingit to point to garbage.Pointed out by Tom Lane.Reported-by: Farias de Oliveira <matheusfarias519@gmail.com>Discussion:https://postgr.es/m/3173476.1689286373%40sss.pgh.pa.usBackpatch-through: 16
1 parenta0363ab commit00f2a25

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‎src/backend/parser/parse_clause.c

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@@ -1573,6 +1573,7 @@ transformFromClauseItem(ParseState *pstate, Node *n,
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jnsitem->p_names=j->join_using_alias;
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jnsitem->p_rte=nsitem->p_rte;
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jnsitem->p_rtindex=nsitem->p_rtindex;
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jnsitem->p_perminfo=NULL;
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/* no need to copy the first N columns, just use res_nscolumns */
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jnsitem->p_nscolumns=res_nscolumns;
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/* set default visibility flags; might get changed later */

‎src/backend/parser/parse_relation.c

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@@ -1392,6 +1392,7 @@ buildNSItemFromLists(RangeTblEntry *rte, Index rtindex,
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nsitem->p_names=rte->eref;
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nsitem->p_rte=rte;
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nsitem->p_rtindex=rtindex;
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nsitem->p_perminfo=NULL;
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nsitem->p_nscolumns=nscolumns;
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/* set default visibility flags; might get changed later */
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nsitem->p_rel_visible= true;

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