diff options
Diffstat (limited to 'src/backend/access/hash/hashinsert.c')
| -rw-r--r-- | src/backend/access/hash/hashinsert.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/src/backend/access/hash/hashinsert.c b/src/backend/access/hash/hashinsert.c index a03087b76b..4cc419759d 100644 --- a/src/backend/access/hash/hashinsert.c +++ b/src/backend/access/hash/hashinsert.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/access/hash/hashinsert.c,v 1.52 2009/01/01 17:23:35 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/access/hash/hashinsert.c,v 1.53 2009/11/01 21:25:25 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -20,10 +20,6 @@ #include "utils/rel.h" -static OffsetNumber _hash_pgaddtup(Relation rel, Buffer buf, - Size itemsize, IndexTuple itup); - - /* * _hash_doinsert() -- Handle insertion of a single index tuple. * @@ -180,15 +176,16 @@ _hash_doinsert(Relation rel, IndexTuple itup) /* * _hash_pgaddtup() -- add a tuple to a particular page in the index. * - * This routine adds the tuple to the page as requested; it does - * not write out the page. It is an error to call pgaddtup() without - * a write lock and pin. + * This routine adds the tuple to the page as requested; it does not write out + * the page. It is an error to call pgaddtup() without pin and write lock on + * the target buffer. + * + * Returns the offset number at which the tuple was inserted. This function + * is responsible for preserving the condition that tuples in a hash index + * page are sorted by hashkey value. */ -static OffsetNumber -_hash_pgaddtup(Relation rel, - Buffer buf, - Size itemsize, - IndexTuple itup) +OffsetNumber +_hash_pgaddtup(Relation rel, Buffer buf, Size itemsize, IndexTuple itup) { OffsetNumber itup_off; Page page; |