diff options
Diffstat (limited to 'src/backend/access/index/indexam.c')
| -rw-r--r-- | src/backend/access/index/indexam.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/backend/access/index/indexam.c b/src/backend/access/index/indexam.c index 6a681192caf..69c9ecb9189 100644 --- a/src/backend/access/index/indexam.c +++ b/src/backend/access/index/indexam.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/access/index/indexam.c,v 1.89 2006/02/11 17:14:08 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/access/index/indexam.c,v 1.90 2006/02/11 23:31:33 tgl Exp $ * * INTERFACE ROUTINES * index_open - open an index relation by relation OID @@ -685,6 +685,10 @@ index_getmulti(IndexScanDesc scan, * callback routine tells whether a given main-heap tuple is * to be deleted * + * if callback_state is NULL then there are no tuples to be deleted; + * index AM can choose to avoid work in this case, but must still + * follow the protocol of returning statistical info. + * * return value is an optional palloc'd struct of statistics * ---------------- */ |