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Fix crash if a DROP is attempted on an internally-dependent object.

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Introduced in 8.4 rewrite of dependency.c.
Per bug #5072 from Amit Khandekar.
This commit is contained in:
Tom Lane
2009-09-22 15:46:43 +00:00
parent 3141a43605
commit ddf8b77020
3 changed files with 19 additions and 2 deletions
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5
src/backend/catalog/dependency.c
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@@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/catalog/dependency.c,v 1.89.2.1 2009/08/07 15:28:07 tgl Exp $
* $PostgreSQL: pgsql/src/backend/catalog/dependency.c,v 1.89.2.2 2009/09/22 15:46:43 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -559,7 +559,8 @@ findDependentObjects(const ObjectAddress *object,
{
char *otherObjDesc;
if (object_address_present(&otherObject, pendingObjects))
if (pendingObjects &&
object_address_present(&otherObject, pendingObjects))
{
systable_endscan(scan);
/* need to release caller's lock; see notes below */