pgsql: Add missing initializations of p_perminfo

From: Amit Langote <amitlan(at)postgresql(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Add missing initializations of p_perminfo
Date: 2023-07-14 05:56:23
Message-ID: E1qKBmx-000HYj-EU@gemulon.postgresql.org
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Add missing initializations of p_perminfo

In a61b1f74823, we failed to update transformFromClauseItem() and
buildNSItemFromLists() to set ParseNamespaceItem.p_perminfo causing
it to point to garbage.

Pointed out by Tom Lane.

Reported-by: Farias de Oliveira <matheusfarias519(at)gmail(dot)com>
Discussion: https://postgr.es/m/3173476.1689286373%40sss.pgh.pa.us
Backpatch-through: 16

Branch
------
REL_16_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/4a7301c7ad1c504c5a3f485a1d28cfd62b3ecbb0

Modified Files
--------------
src/backend/parser/parse_clause.c | 1 +
src/backend/parser/parse_relation.c | 1 +
2 files changed, 2 insertions(+)

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