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Don't include unused space in LOG_NEWPAGE records.

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This is the same trick we use when taking a full page image of a buffer
passed to XLogInsert.
This commit is contained in:
Heikki Linnakangas
2013-12-04 00:10:47 +02:00
parent 22122c83f1
commit 9e857436ef
11 changed files with 109 additions and 62 deletions
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8
src/backend/commands/tablecmds.c
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@@ -9130,9 +9130,13 @@ copy_relation_data(SMgrRelation src, SMgrRelation dst,
src->smgr_rnode.backend,
forkNum))));
/* XLOG stuff */
/*
* WAL-log the copied page. Unfortunately we don't know what kind of
* a page this is, so we have to log the full page including any
* unused space.
*/
if (use_wal)
log_newpage(&dst->smgr_rnode.node, forkNum, blkno, page);
log_newpage(&dst->smgr_rnode.node, forkNum, blkno, page, false);
PageSetChecksumInplace(page, blkno);