diff options
Diffstat (limited to 'src/backend/storage/buffer/bufmgr.c')
| -rw-r--r-- | src/backend/storage/buffer/bufmgr.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/backend/storage/buffer/bufmgr.c b/src/backend/storage/buffer/bufmgr.c index 6243f2481e4..9cd9ed2112c 100644 --- a/src/backend/storage/buffer/bufmgr.c +++ b/src/backend/storage/buffer/bufmgr.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/storage/buffer/bufmgr.c,v 1.193 2005/08/12 05:05:50 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/storage/buffer/bufmgr.c,v 1.194 2005/08/12 21:42:53 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -153,6 +153,8 @@ ReadBuffer(Relation reln, BlockNumber blockNum) * block is not currently in memory. */ bufHdr = BufferAlloc(reln, blockNum, &found); + /* we are guaranted that nobody else has touched this will-be-new block */ + Assert(!(found && isExtend)); if (found) BufferHitCount++; } |