diff options
Diffstat (limited to 'src/include/utils/rel.h')
| -rw-r--r-- | src/include/utils/rel.h | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/src/include/utils/rel.h b/src/include/utils/rel.h index ceb8bf4b2e3..536651bf734 100644 --- a/src/include/utils/rel.h +++ b/src/include/utils/rel.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/utils/rel.h,v 1.81 2004/12/31 22:03:46 pgsql Exp $ + * $PostgreSQL: pgsql/src/include/utils/rel.h,v 1.82 2005/01/10 20:02:24 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -234,6 +234,31 @@ typedef Relation *RelationPtr; ((relation)->rd_rel->relnamespace) /* + * RelationOpenSmgr + * Open the relation at the smgr level, if not already done. + */ +#define RelationOpenSmgr(relation) \ + do { \ + if ((relation)->rd_smgr == NULL) \ + smgrsetowner(&((relation)->rd_smgr), smgropen((relation)->rd_node)); \ + } while (0) + +/* + * RelationCloseSmgr + * Close the relation at the smgr level, if not already done. + * + * Note: smgrclose should unhook from owner pointer, hence the Assert. + */ +#define RelationCloseSmgr(relation) \ + do { \ + if ((relation)->rd_smgr != NULL) \ + { \ + smgrclose((relation)->rd_smgr); \ + Assert((relation)->rd_smgr == NULL); \ + } \ + } while (0) + +/* * RELATION_IS_LOCAL * If a rel is either temp or newly created in the current transaction, * it can be assumed to be visible only to the current backend. |