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Fix incorrect test for whether Perl code is returning undef. This

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allows plperl routines to return NULL as intended.
This commit is contained in:
Tom Lane 2002-01-24 16:53:42 +00:00
parent 386f1809a7
commit a45641d8a4
1 changed files with 3 additions and 3 deletions
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6
src/pl/plperl/plperl.c
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@ -33,7 +33,7 @@
* ENHANCEMENTS, OR MODIFICATIONS.
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/pl/plperl/plperl.c,v 1.26 2001/11/05 17:46:39 momjian Exp $
* $Header: /cvsroot/pgsql/src/pl/plperl/plperl.c,v 1.27 2002/01/24 16:53:42 tgl Exp $
*
**********************************************************************/
@ -488,9 +488,9 @@ plperl_func_handler(PG_FUNCTION_ARGS)
if (SPI_finish() != SPI_OK_FINISH)
elog(ERROR, "plperl: SPI_finish() failed");
/* XXX is this the approved way to check for an undef result? */
if (perlret == &PL_sv_undef)
if (!(perlret && SvOK(perlret)))
{
/* return NULL if Perl code returned undef */
retval = (Datum) 0;
fcinfo->isnull = true;
}