diff options
Diffstat (limited to 'src/backend/commands/tablecmds.c')
| -rw-r--r-- | src/backend/commands/tablecmds.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c index cdfbc6f0829..aafc4d1b2ee 100644 --- a/src/backend/commands/tablecmds.c +++ b/src/backend/commands/tablecmds.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.224 2007/05/16 17:28:20 alvherre Exp $ + * $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.225 2007/05/18 23:19:41 alvherre Exp $ * *------------------------------------------------------------------------- */ @@ -2285,8 +2285,13 @@ ATRewriteTables(List **wqueue) */ ATRewriteTable(tab, OIDNewHeap); - /* Swap the physical files of the old and new heaps. */ - swap_relation_files(tab->relid, OIDNewHeap); + /* + * Swap the physical files of the old and new heaps. Since we are + * generating a new heap, we can use RecentXmin for the table's new + * relfrozenxid because we rewrote all the tuples on + * ATRewriteTable, so no older Xid remains on the table. + */ + swap_relation_files(tab->relid, OIDNewHeap, RecentXmin); CommandCounterIncrement(); |