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Simplify printing of LSNs

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Add a macro LSN_FORMAT_ARGS for use in printf-style printing of LSNs.
Convert all applicable code to use it.

Reviewed-by: Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>
Reviewed-by: Kyotaro Horiguchi <horikyota.ntt@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://www.postgresql.org/message-id/flat/CAExHW5ub5NaTELZ3hJUCE6amuvqAtsSxc7O+uK7y4t9Rrk23cw@mail.gmail.com
This commit is contained in:
Peter Eisentraut
2021-02-23 10:14:38 +01:00
parent ade89ba5f4
commit 6f6f284c7e
36 changed files with 212 additions and 308 deletions
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6
src/backend/access/transam/twophase.c
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@@ -1342,16 +1342,14 @@ XlogReadTwoPhaseData(XLogRecPtr lsn, char **buf, int *len)
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not read two-phase state from WAL at %X/%X",
(uint32) (lsn >> 32),
(uint32) lsn)));
LSN_FORMAT_ARGS(lsn))));
if (XLogRecGetRmid(xlogreader) != RM_XACT_ID ||
(XLogRecGetInfo(xlogreader) & XLOG_XACT_OPMASK) != XLOG_XACT_PREPARE)
ereport(ERROR,
(errcode_for_file_access(),
errmsg("expected two-phase state data is not present in WAL at %X/%X",
(uint32) (lsn >> 32),
(uint32) lsn)));
LSN_FORMAT_ARGS(lsn))));
if (len != NULL)
*len = XLogRecGetDataLen(xlogreader);