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| author | Peter Eisentraut <peter@eisentraut.org> | 2021-02-23 10:14:38 +0100 |
|---|---|---|
| committer | Peter Eisentraut <peter@eisentraut.org> | 2021-02-23 10:27:02 +0100 |
| commit | 6f6f284c7ee44264eb3e128e2bf54d9276711d11 (patch) | |
| tree | c861d32584f751b28a065b98c03e1dd1370daa10 /src/include/access/xlogdefs.h | |
| parent | ade89ba5f408e6034db7cc8a2c9b7858f5a214c4 (diff) | |
Simplify printing of LSNs
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
Diffstat (limited to 'src/include/access/xlogdefs.h')
| -rw-r--r-- | src/include/access/xlogdefs.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/include/access/xlogdefs.h b/src/include/access/xlogdefs.h index 65836d5bc65..0940b64ca6b 100644 --- a/src/include/access/xlogdefs.h +++ b/src/include/access/xlogdefs.h @@ -36,6 +36,13 @@ 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. */ typedef uint64 XLogSegNo; |