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> > There is a bug in check_foreign_key of refint.c which is bundled with

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> > the standard distribution. It occurs when a trigger calling this
> > function recursively fires another trigger which calls the same
> > function. The calling check_foreign_key loses its plan informantion and
> > when it tries to use it the backend closes its channel. You can check it
> > with the sql script I am attaching below.
> > The solution to this is to do a find_plan again before executing it at
> > line 483 of refint.c.
> > Therefore two more lines should be added before line 483:

Anand Surelia
This commit is contained in:
Bruce Momjian
1998-10-06 03:12:59 +00:00
parent b7ed6f8512
commit 3abf496b8e
2 changed files with 5 additions and 3 deletions
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2
contrib/spi/refint.c
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@ -480,6 +480,8 @@ check_foreign_key()
relname = args[0];
sprintf(ident, "%s$%u", trigger->tgname, rel->rd_id);
plan = find_plan(ident, &FPlans, &nFPlans);
ret = SPI_execp(plan->splan[r], kvals, NULL, tcount);
/* we have no NULLs - so we pass ^^^^ here */