pgsql: Add CHECK_FOR_INTERRUPTS in ExecInsert's speculative insertion l

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Add CHECK_FOR_INTERRUPTS in ExecInsert's speculative insertion l
Date: 2022-08-04 18:16:40
Message-ID: E1oJfOi-000JNg-Ky@gemulon.postgresql.org
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Add CHECK_FOR_INTERRUPTS in ExecInsert's speculative insertion loop.

Ordinarily the functions called in this loop ought to have plenty
of CFIs themselves; but we've now seen a case where no such CFI is
reached, making the loop uninterruptible. Even though that's from
a recently-introduced bug, it seems prudent to install a CFI at
the loop level in all branches.

Per discussion of bug #17558 from Andrew Kesper (an actual fix for
that bug will follow).

Discussion: https://postgr.es/m/17558-3f6599ffcf52fd4a@postgresql.org

Branch
------
REL_10_STABLE

Details
-------
https://git.postgresql.org/pg/commitdiff/138213684ad44449449274522ab8fcf119cf848b

Modified Files
--------------
src/backend/executor/nodeModifyTable.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

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