diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/access/hash/hashovfl.c | 8 | ||||
| -rw-r--r-- | src/include/access/hash.h | 4 |
2 files changed, 9 insertions, 3 deletions
diff --git a/src/backend/access/hash/hashovfl.c b/src/backend/access/hash/hashovfl.c index e8928efc1aa..753c8a6a134 100644 --- a/src/backend/access/hash/hashovfl.c +++ b/src/backend/access/hash/hashovfl.c @@ -52,10 +52,12 @@ bitno_to_blkno(HashMetaPage metap, uint32 ovflbitnum) } /* + * _hash_ovflblkno_to_bitno + * * Convert overflow page block number to bit number for free-page bitmap. */ -static uint32 -blkno_to_bitno(HashMetaPage metap, BlockNumber ovflblkno) +uint32 +_hash_ovflblkno_to_bitno(HashMetaPage metap, BlockNumber ovflblkno) { uint32 splitnum = metap->hashm_ovflpoint; uint32 i; @@ -485,7 +487,7 @@ _hash_freeovflpage(Relation rel, Buffer ovflbuf, Buffer wbuf, metap = HashPageGetMeta(BufferGetPage(metabuf)); /* Identify which bit to set */ - ovflbitno = blkno_to_bitno(metap, ovflblkno); + ovflbitno = _hash_ovflblkno_to_bitno(metap, ovflblkno); bitmappage = ovflbitno >> BMPG_SHIFT(metap); bitmapbit = ovflbitno & BMPG_MASK(metap); diff --git a/src/include/access/hash.h b/src/include/access/hash.h index 69a3873face..1a9b91f9f53 100644 --- a/src/include/access/hash.h +++ b/src/include/access/hash.h @@ -58,6 +58,9 @@ typedef uint32 Bucket; #define LH_BUCKET_BEING_SPLIT (1 << 5) #define LH_BUCKET_NEEDS_SPLIT_CLEANUP (1 << 6) +#define LH_PAGE_TYPE \ + (LH_OVERFLOW_PAGE|LH_BUCKET_PAGE|LH_BITMAP_PAGE|LH_META_PAGE) + typedef struct HashPageOpaqueData { BlockNumber hasho_prevblkno; /* previous ovfl (or bucket) blkno */ @@ -299,6 +302,7 @@ extern void _hash_squeezebucket(Relation rel, Bucket bucket, BlockNumber bucket_blkno, Buffer bucket_buf, BufferAccessStrategy bstrategy); +extern uint32 _hash_ovflblkno_to_bitno(HashMetaPage metap, BlockNumber ovflblkno); /* hashpage.c */ extern Buffer _hash_getbuf(Relation rel, BlockNumber blkno, |