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authorHeikki Linnakangas <heikki.linnakangas@iki.fi>2014-11-07 23:04:53 +0200
committerHeikki Linnakangas <heikki.linnakangas@iki.fi>2014-11-07 23:09:31 +0200
commit7250d8535b11d6443a9b27299e586c3df0654302 (patch)
tree46d3bfe3628cc55e7f8fe8227d259cb09f67dadd
parent5ea86e6e65dd2da3e9a3464484985d48328e7fe3 (diff)
Fix building with WAL_DEBUG.
Now that the backup blocks are appended to the WAL record in xloginsert.c, XLogInsert doesn't see them anymore and cannot remove them from the version reconstructed for xlog_outdesc. This makes running with wal_debug=on more expensive, as we now make (unnecessary) temporary copies of the backup blocks, but it doesn't seem worth convoluting the code to keep that optimization. Reported by Alvaro Herrera.
-rw-r--r--src/backend/access/transam/xlog.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index 563d442a7a3..99f702cb804 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -1067,11 +1067,8 @@ XLogInsertRecord(XLogRecData *rdata, XLogRecPtr fpw_lsn)
/*
* We have to piece together the WAL record data from the
* XLogRecData entries, so that we can pass it to the rm_desc
- * function as one contiguous chunk. (but we can leave out any
- * extra entries we created for backup blocks)
+ * function as one contiguous chunk.
*/
- rdt_lastnormal->next = NULL;
-
initStringInfo(&recordbuf);
appendBinaryStringInfo(&recordbuf, (char *) rechdr, sizeof(XLogRecord));
for (; rdata != NULL; rdata = rdata->next)