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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2005-06-20 18:37:02 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2005-06-20 18:37:02 +0000 |
| commit | b95ae32b4178959e8880bd716fb33ec163f61713 (patch) | |
| tree | 316fdc43f11fb9f859d4d9721287f85b9b44db68 /src/backend/storage/smgr/md.c | |
| parent | 1bfdd1a89321c390201ebe15fe47571f54f9c80a (diff) | |
| download | postgresql-b95ae32b4178959e8880bd716fb33ec163f61713.tar.gz | |
Avoid WAL-logging individual tuple insertions during CREATE TABLE AS
(a/k/a SELECT INTO). Instead, flush and fsync the whole relation before
committing. We do still need the WAL log when PITR is active, however.
Simon Riggs and Tom Lane.
Diffstat (limited to 'src/backend/storage/smgr/md.c')
| -rw-r--r-- | src/backend/storage/smgr/md.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/backend/storage/smgr/md.c b/src/backend/storage/smgr/md.c index 1c0cb7e240..fa7913aff7 100644 --- a/src/backend/storage/smgr/md.c +++ b/src/backend/storage/smgr/md.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/storage/smgr/md.c,v 1.115 2005/05/29 04:23:05 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/storage/smgr/md.c,v 1.116 2005/06/20 18:37:01 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -660,6 +660,9 @@ mdtruncate(SMgrRelation reln, BlockNumber nblocks, bool isTemp) /* * mdimmedsync() -- Immediately sync a relation to stable storage. + * + * Note that only writes already issued are synced; this routine knows + * nothing of dirty buffers that may exist inside the buffer manager. */ bool mdimmedsync(SMgrRelation reln) |