diff options
| author | Tom Lane <tgl@sss.pgh.pa.us> | 2002-11-02 21:20:40 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2002-11-02 21:20:40 +0000 |
| commit | e02d1abee6ada0658ddcbc73dc45925e6054781c (patch) | |
| tree | 85567b5081f70c83db662488c56fa74bac8cc617 /src/backend/commands/cluster.c | |
| parent | 5123139210a6767e99f3e420038d64926beb7d78 (diff) | |
| download | postgresql-e02d1abee6ada0658ddcbc73dc45925e6054781c.tar.gz postgresql-e02d1abee6ada0658ddcbc73dc45925e6054781c.zip | |
During swap_relfilenodes, swap relation size statistic fields along with
the relfilenode and toast fields. This ensures that the newly-computed
statistics will be available on completion of CLUSTER.
Diffstat (limited to 'src/backend/commands/cluster.c')
| -rw-r--r-- | src/backend/commands/cluster.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/backend/commands/cluster.c b/src/backend/commands/cluster.c index 55cee5b4a76..fa414320a31 100644 --- a/src/backend/commands/cluster.c +++ b/src/backend/commands/cluster.c @@ -11,7 +11,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/commands/cluster.c,v 1.90 2002/09/04 20:31:14 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/commands/cluster.c,v 1.91 2002/11/02 21:20:40 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -475,6 +475,20 @@ swap_relfilenodes(Oid r1, Oid r2) /* we should not swap reltoastidxid */ + /* swap size statistics too, since new rel has freshly-updated stats */ + { + int4 swap_pages; + float4 swap_tuples; + + swap_pages = relform1->relpages; + relform1->relpages = relform2->relpages; + relform2->relpages = swap_pages; + + swap_tuples = relform1->reltuples; + relform1->reltuples = relform2->reltuples; + relform2->reltuples = swap_tuples; + } + /* Update the tuples in pg_class */ simple_heap_update(relRelation, &reltup1->t_self, reltup1); simple_heap_update(relRelation, &reltup2->t_self, reltup2); |