diff options
Diffstat (limited to 'src/backend/catalog/heap.c')
| -rw-r--r-- | src/backend/catalog/heap.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/src/backend/catalog/heap.c b/src/backend/catalog/heap.c index 7ba0e7ef261..67b5a278368 100644 --- a/src/backend/catalog/heap.c +++ b/src/backend/catalog/heap.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/catalog/heap.c,v 1.305 2006/07/08 20:45:38 alvherre Exp $ + * $PostgreSQL: pgsql/src/backend/catalog/heap.c,v 1.306 2006/07/10 16:20:49 alvherre Exp $ * * * INTERFACE ROUTINES @@ -597,6 +597,8 @@ InsertPgClassTuple(Relation pg_class_desc, values[Anum_pg_class_relhaspkey - 1] = BoolGetDatum(rd_rel->relhaspkey); values[Anum_pg_class_relhasrules - 1] = BoolGetDatum(rd_rel->relhasrules); values[Anum_pg_class_relhassubclass - 1] = BoolGetDatum(rd_rel->relhassubclass); + values[Anum_pg_class_relminxid - 1] = TransactionIdGetDatum(rd_rel->relminxid); + values[Anum_pg_class_relvacuumxid - 1] = TransactionIdGetDatum(rd_rel->relvacuumxid); /* start out with empty permissions */ nulls[Anum_pg_class_relacl - 1] = 'n'; if (reloptions != (Datum) 0) @@ -644,6 +646,35 @@ AddNewRelationTuple(Relation pg_class_desc, */ new_rel_reltup = new_rel_desc->rd_rel; + /* Initialize relminxid and relvacuumxid */ + if (relkind == RELKIND_RELATION || + relkind == RELKIND_TOASTVALUE) + { + /* + * Only real tables have Xids stored in them; initialize our known + * value to the minimum Xid that could put tuples in the new table. + */ + if (!IsBootstrapProcessingMode()) + { + new_rel_reltup->relminxid = RecentXmin; + new_rel_reltup->relvacuumxid = RecentXmin; + } + else + { + new_rel_reltup->relminxid = FirstNormalTransactionId; + new_rel_reltup->relvacuumxid = FirstNormalTransactionId; + } + } + else + { + /* + * Other relations will not have Xids in them, so set the initial value + * to InvalidTransactionId. + */ + new_rel_reltup->relminxid = InvalidTransactionId; + new_rel_reltup->relvacuumxid = InvalidTransactionId; + } + switch (relkind) { case RELKIND_RELATION: |