diff options
Diffstat (limited to 'src/backend/utils/cache/relcache.c')
| -rw-r--r-- | src/backend/utils/cache/relcache.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/src/backend/utils/cache/relcache.c b/src/backend/utils/cache/relcache.c index 62b745b2ade..9353a347bcb 100644 --- a/src/backend/utils/cache/relcache.c +++ b/src/backend/utils/cache/relcache.c @@ -2623,8 +2623,8 @@ RelationBuildLocalRelation(const char *relname, * Caller must already hold exclusive lock on the relation. * * The relation is marked with relfrozenxid = freezeXid (InvalidTransactionId - * must be passed for indexes). This should be a lower bound on the XIDs - * that will be put into the new relation contents. + * must be passed for indexes and sequences). This should be a lower bound on + * the XIDs that will be put into the new relation contents. */ void RelationSetNewRelfilenode(Relation relation, TransactionId freezeXid) @@ -2635,9 +2635,10 @@ RelationSetNewRelfilenode(Relation relation, TransactionId freezeXid) HeapTuple tuple; Form_pg_class classform; - /* Indexes must have Invalid frozenxid; other relations must not */ - Assert((relation->rd_rel->relkind == RELKIND_INDEX && - freezeXid == InvalidTransactionId) || + /* Indexes, sequences must have Invalid frozenxid; other rels must not */ + Assert((relation->rd_rel->relkind == RELKIND_INDEX || + relation->rd_rel->relkind == RELKIND_SEQUENCE) ? + freezeXid == InvalidTransactionId : TransactionIdIsNormal(freezeXid)); /* Allocate a new relfilenode */ @@ -2687,8 +2688,11 @@ RelationSetNewRelfilenode(Relation relation, TransactionId freezeXid) classform->relfilenode = newrelfilenode; /* These changes are safe even for a mapped relation */ - classform->relpages = 0; /* it's empty until further notice */ - classform->reltuples = 0; + if (relation->rd_rel->relkind != RELKIND_SEQUENCE) + { + classform->relpages = 0; /* it's empty until further notice */ + classform->reltuples = 0; + } classform->relfrozenxid = freezeXid; simple_heap_update(pg_class, &tuple->t_self, tuple); |