diff options
Diffstat (limited to 'src/backend/access/nbtree/nbtree.c')
| -rw-r--r-- | src/backend/access/nbtree/nbtree.c | 33 |
1 files changed, 9 insertions, 24 deletions
diff --git a/src/backend/access/nbtree/nbtree.c b/src/backend/access/nbtree/nbtree.c index 696d79c0852..21d879a3bdf 100644 --- a/src/backend/access/nbtree/nbtree.c +++ b/src/backend/access/nbtree/nbtree.c @@ -29,11 +29,11 @@ #include "nodes/execnodes.h" #include "pgstat.h" #include "postmaster/autovacuum.h" +#include "storage/bulk_write.h" #include "storage/condition_variable.h" #include "storage/indexfsm.h" #include "storage/ipc.h" #include "storage/lmgr.h" -#include "storage/smgr.h" #include "utils/builtins.h" #include "utils/index_selfuncs.h" #include "utils/memutils.h" @@ -154,32 +154,17 @@ void btbuildempty(Relation index) { bool allequalimage = _bt_allequalimage(index, false); - Buffer metabuf; - Page metapage; + BulkWriteState *bulkstate; + BulkWriteBuffer metabuf; - /* - * Initialize the metapage. - * - * Regular index build bypasses the buffer manager and uses smgr functions - * directly, with an smgrimmedsync() call at the end. That makes sense - * when the index is large, but for an empty index, it's better to use the - * buffer cache to avoid the smgrimmedsync(). - */ - metabuf = ReadBufferExtended(index, INIT_FORKNUM, P_NEW, RBM_NORMAL, NULL); - Assert(BufferGetBlockNumber(metabuf) == BTREE_METAPAGE); - _bt_lockbuf(index, metabuf, BT_WRITE); - - START_CRIT_SECTION(); - - metapage = BufferGetPage(metabuf); - _bt_initmetapage(metapage, P_NONE, 0, allequalimage); - MarkBufferDirty(metabuf); - log_newpage_buffer(metabuf, true); + bulkstate = smgr_bulk_start_rel(index, INIT_FORKNUM); - END_CRIT_SECTION(); + /* Construct metapage. */ + metabuf = smgr_bulk_get_buf(bulkstate); + _bt_initmetapage((Page) metabuf, P_NONE, 0, allequalimage); + smgr_bulk_write(bulkstate, BTREE_METAPAGE, metabuf, true); - _bt_unlockbuf(index, metabuf); - ReleaseBuffer(metabuf); + smgr_bulk_finish(bulkstate); } /* |