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Re: Segmentation fault: pg_upgrade 9.1 to 9.3: pg_dump: row number 0 is out of range 0..-1

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Alan Nilsson <anilsson@xxxxxxxxx> writes:
> I ran into something tonight that seems relevant here, or certainly related:
> I recently updated my app(s) libpq version from 9.1 to 9.3 and immediately I starting seeing:

> row number 0 is out of range 0..-1

> spewed to stdout.

> I traced it down to this code:

> 	if (PQresultStatus(result) == PGRES_TUPLES_OK){
> 		if (!PQgetisnull(result, 0, 0)){
> 			......
> 		}
> 	}

I can find no code like that in the PG sources --- everyplace that does
"PQgetisnull(result, 0, 0)" prefaces it with a check that there's at least
one row in the result.  I think you're blaming the messenger.

			regards, tom lane


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