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-rw-r--r--src/backend/commands/cluster.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/backend/commands/cluster.c b/src/backend/commands/cluster.c
index 7ab4874c4bd..9e39e2f648c 100644
--- a/src/backend/commands/cluster.c
+++ b/src/backend/commands/cluster.c
@@ -559,6 +559,7 @@ rebuild_relation(Relation OldHeap, Oid indexOid, bool verbose)
Oid tableOid = RelationGetRelid(OldHeap);
Oid tableSpace = OldHeap->rd_rel->reltablespace;
Oid OIDNewHeap;
+ char relpersistence;
bool is_system_catalog;
bool swap_toast_by_content;
TransactionId frozenXid;
@@ -568,7 +569,8 @@ rebuild_relation(Relation OldHeap, Oid indexOid, bool verbose)
if (OidIsValid(indexOid))
mark_index_clustered(OldHeap, indexOid, true);
- /* Remember if it's a system catalog */
+ /* Remember info about rel before closing OldHeap */
+ relpersistence = OldHeap->rd_rel->relpersistence;
is_system_catalog = IsSystemRelation(OldHeap);
/* Close relcache entry, but keep lock until transaction commit */
@@ -576,7 +578,7 @@ rebuild_relation(Relation OldHeap, Oid indexOid, bool verbose)
/* Create the transient table that will receive the re-ordered data */
OIDNewHeap = make_new_heap(tableOid, tableSpace,
- OldHeap->rd_rel->relpersistence,
+ relpersistence,
AccessExclusiveLock);
/* Copy the heap data into the new table in the desired order */
@@ -590,7 +592,7 @@ rebuild_relation(Relation OldHeap, Oid indexOid, bool verbose)
finish_heap_swap(tableOid, OIDNewHeap, is_system_catalog,
swap_toast_by_content, false, true,
frozenXid, cutoffMulti,
- OldHeap->rd_rel->relpersistence);
+ relpersistence);
}