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| author | Bruce Momjian <bruce@momjian.us> | 2005-08-12 21:42:53 +0000 |
|---|---|---|
| committer | Bruce Momjian <bruce@momjian.us> | 2005-08-12 21:42:53 +0000 |
| commit | fab177e64f44fcad40c88903a903fd981a8bd2cb (patch) | |
| tree | 0be4d96897a84b643e579f73156688cbe789ae22 /src/backend/storage/buffer/bufmgr.c | |
| parent | ed63689b43aa29f71ed7b9bf5725f5658b8a7e7c (diff) | |
| download | postgresql-fab177e64f44fcad40c88903a903fd981a8bd2cb.tar.gz postgresql-fab177e64f44fcad40c88903a903fd981a8bd2cb.zip | |
Improve documention on loading large data sets into plperl.
David Fetter
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++; } |