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Properly detoast access to bytea field pg_trigger.tgargs. Old code

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might cause server crash.

Backpatch to 8.2.X.
This commit is contained in:
Bruce Momjian
2007-01-25 04:17:46 +00:00
parent 251281767a
commit 5af6b2abe9
3 changed files with 6 additions and 9 deletions
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5
src/backend/commands/tablecmds.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.210 2007/01/05 22:19:26 momjian Exp $
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.211 2007/01/25 04:17:45 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -1800,8 +1800,7 @@ update_ri_trigger_args(Oid relid,
* line; so does trigger.c ...
*/
tgnargs = pg_trigger->tgnargs;
val = (bytea *)
DatumGetPointer(fastgetattr(tuple,
val = DatumGetByteaP(fastgetattr(tuple,
Anum_pg_trigger_tgargs,
tgrel->rd_att, &isnull));
if (isnull || tgnargs < RI_FIRST_ATTNAME_ARGNO ||