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Remove legacy multixact truncation support.

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In 9.5 and master there is no need to support legacy truncation. This is
just committed separately to make it easier to backpatch the WAL logged
multixact truncation to 9.3 and 9.4 if we later decide to do so.

I bumped master's magic from 0xD086 to 0xD088 and 9.5's from 0xD085 to
0xD087 to avoid 9.5 reusing a value that has been in use on master while
keeping the numbers increasing between major versions.

Discussion: 20150621192409.GA4797@alap3.anarazel.de
Backpatch: 9.5
This commit is contained in:
Andres Freund
2015-09-26 19:04:25 +02:00
parent 4f627f8973
commit aa29c1ccd9
5 changed files with 17 additions and 70 deletions
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2
src/include/access/xlog_internal.h
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@@ -31,7 +31,7 @@
/*
* Each page of XLOG file has a header like this:
*/
#define XLOG_PAGE_MAGIC 0xD086 /* can be used as WAL version indicator */
#define XLOG_PAGE_MAGIC 0xD088 /* can be used as WAL version indicator */
typedef struct XLogPageHeaderData
{