| From: | tgl(at)postgresql(dot)org (Tom Lane) |
|---|---|
| To: | pgsql-committers(at)postgresql(dot)org |
| Subject: | pgsql: Dept. |
| Date: | 2007-05-02 23:34:48 |
| Message-ID: | 20070502233448.D45429FBCD1@postgresql.org |
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| Thread: | |
| Lists: | pgsql-committers |
Log Message:
-----------
Dept. of second thoughts: add comments cautioning against using
ReadOrZeroBuffer to fetch pages from beyond physical EOF. This would
usually work, but would cause problems for md.c if writes occurred
beyond a segment boundary when the previous segment file hadn't been
fully extended.
Modified Files:
--------------
pgsql/src/backend/storage/buffer:
bufmgr.c (r1.217 -> r1.218)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/storage/buffer/bufmgr.c.diff?r1=1.217&r2=1.218)
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