diff options
| -rw-r--r-- | contrib/pgstattuple/pgstattuple.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/contrib/pgstattuple/pgstattuple.c b/contrib/pgstattuple/pgstattuple.c index 1d012233cbf..a59fb42171e 100644 --- a/contrib/pgstattuple/pgstattuple.c +++ b/contrib/pgstattuple/pgstattuple.c @@ -422,7 +422,7 @@ pgstat_btree_page(pgstattuple_type *stat, Relation rel, BlockNumber blkno, /* fully empty page */ stat->free_space += BLCKSZ; } - else + else if (PageGetSpecialSize(page) == MAXALIGN(sizeof(BTPageOpaqueData))) { BTPageOpaque opaque; @@ -456,10 +456,16 @@ pgstat_hash_page(pgstattuple_type *stat, Relation rel, BlockNumber blkno, Buffer buf; Page page; - buf = _hash_getbuf_with_strategy(rel, blkno, HASH_READ, 0, bstrategy); + buf = ReadBufferExtended(rel, MAIN_FORKNUM, blkno, RBM_NORMAL, bstrategy); + LockBuffer(buf, HASH_READ); page = BufferGetPage(buf); - if (PageGetSpecialSize(page) == MAXALIGN(sizeof(HashPageOpaqueData))) + if (PageIsNew(page)) + { + /* fully empty page */ + stat->free_space += BLCKSZ; + } + else if (PageGetSpecialSize(page) == MAXALIGN(sizeof(HashPageOpaqueData))) { HashPageOpaque opaque; @@ -500,17 +506,23 @@ pgstat_gist_page(pgstattuple_type *stat, Relation rel, BlockNumber blkno, buf = ReadBufferExtended(rel, MAIN_FORKNUM, blkno, RBM_NORMAL, bstrategy); LockBuffer(buf, GIST_SHARE); - gistcheckpage(rel, buf); page = BufferGetPage(buf); - - if (GistPageIsLeaf(page)) + if (PageIsNew(page)) { - pgstat_index_page(stat, page, FirstOffsetNumber, - PageGetMaxOffsetNumber(page)); + /* fully empty page */ + stat->free_space += BLCKSZ; } - else + else if (PageGetSpecialSize(page) == MAXALIGN(sizeof(GISTPageOpaqueData))) { - /* root or node */ + if (GistPageIsLeaf(page)) + { + pgstat_index_page(stat, page, FirstOffsetNumber, + PageGetMaxOffsetNumber(page)); + } + else + { + /* root or node */ + } } UnlockReleaseBuffer(buf); |