aboutsummaryrefslogtreecommitdiff
path: root/src/backend/catalog/toasting.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/backend/catalog/toasting.c')
-rw-r--r--src/backend/catalog/toasting.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/src/backend/catalog/toasting.c b/src/backend/catalog/toasting.c
index 510c88ec338..b284cd23aa9 100644
--- a/src/backend/catalog/toasting.c
+++ b/src/backend/catalog/toasting.c
@@ -8,7 +8,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/catalog/toasting.c,v 1.16 2009/06/11 14:48:55 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/catalog/toasting.c,v 1.17 2009/06/11 20:46:11 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -43,6 +43,11 @@ static bool needs_toast_table(Relation rel);
* then create a toast table for it. (With the force option, make
* a toast table even if it appears unnecessary.)
*
+ * The caller can also specify the OID to be used for the toast table.
+ * Usually, toastOid should be InvalidOid to allow a free OID to be assigned.
+ * (This option, as well as the force option, is not used by core Postgres,
+ * but is provided to support pg_migrator.)
+ *
* reloptions for the toast table can be passed, too. Pass (Datum) 0
* for default reloptions.
*
@@ -51,7 +56,8 @@ static bool needs_toast_table(Relation rel);
* to end with CommandCounterIncrement if it makes any changes.
*/
void
-AlterTableCreateToastTable(Oid relOid, Datum reloptions, bool force)
+AlterTableCreateToastTable(Oid relOid, Oid toastOid,
+ Datum reloptions, bool force)
{
Relation rel;
@@ -63,7 +69,7 @@ AlterTableCreateToastTable(Oid relOid, Datum reloptions, bool force)
rel = heap_open(relOid, AccessExclusiveLock);
/* create_toast_table does all the work */
- (void) create_toast_table(rel, InvalidOid, InvalidOid, reloptions, force);
+ (void) create_toast_table(rel, toastOid, InvalidOid, reloptions, force);
heap_close(rel, NoLock);
}
@@ -101,8 +107,8 @@ BootstrapToastTable(char *relName, Oid toastOid, Oid toastIndexOid)
* create_toast_table --- internal workhorse
*
* rel is already opened and exclusive-locked
- * toastOid and toastIndexOid are normally InvalidOid, but during
- * bootstrap they can be nonzero to specify hand-assigned OIDs
+ * toastOid and toastIndexOid are normally InvalidOid, but
+ * either or both can be nonzero to specify caller-assigned OIDs
*/
static bool
create_toast_table(Relation rel, Oid toastOid, Oid toastIndexOid,