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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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7
src/include/access/xlogdefs.h
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@@ -35,6 +35,13 @@ typedef uint64 XLogRecPtr;
*/
#define FirstNormalUnloggedLSN ((XLogRecPtr) 1000)
/*
* Handy macro for printing XLogRecPtr in conventional format, e.g.,
*
* printf("%X/%X", LSN_FORMAT_ARGS(lsn));
*/
#define LSN_FORMAT_ARGS(lsn) (AssertVariableIsOfTypeMacro((lsn), XLogRecPtr), (uint32) ((lsn) >> 32)), ((uint32) (lsn))
/*
* XLogSegNo - physical log file sequence number.
*/