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Check if PgIvmImmvRelationId is invalid before open it

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This commit is contained in:
Colin Zhao 2023-11-07 16:44:17 +08:00
parent 8f87d0914a
commit c888c1aee7
1 changed files with 7 additions and 2 deletions
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9
pg_ivm.c
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@ -385,11 +385,16 @@ PgIvmObjectAccessHook(ObjectAccessType access, Oid classId,
if (access == OAT_DROP && classId == RelationRelationId && !OidIsValid(subId))
{
Relation pgIvmImmv = table_open(PgIvmImmvRelationId(), AccessShareLock);
Relation pgIvmImmv;
SysScanDesc scan;
ScanKeyData key;
HeapTuple tup;
Oid pgIvmImmvOid = PgIvmImmvRelationId();
if (pgIvmImmvOid == InvalidOid)
return;
pgIvmImmv = table_open(pgIvmImmvOid, AccessShareLock);
ScanKeyInit(&key,
Anum_pg_ivm_immv_immvrelid,
BTEqualStrategyNumber, F_OIDEQ,