diff options
Diffstat (limited to 'src/backend/commands/cluster.c')
| -rw-r--r-- | src/backend/commands/cluster.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/backend/commands/cluster.c b/src/backend/commands/cluster.c index 816cf47bb3d..f6dc6e2c017 100644 --- a/src/backend/commands/cluster.c +++ b/src/backend/commands/cluster.c @@ -626,6 +626,12 @@ rebuild_relation(Relation OldHeap, Oid indexOid) * Rebuild each index on the relation (but not the toast table, which is * all-new at this point). We do not need CommandCounterIncrement() * because reindex_relation does it. + * + * Note: because index_build is called via reindex_relation, it will never + * set indcheckxmin true for the indexes. This is OK even though in some + * sense we are building new indexes rather than rebuilding existing ones, + * because the new heap won't contain any HOT chains at all, let alone + * broken ones, so it can't be necessary to set indcheckxmin. */ reindex_relation(tableOid, false); |