diff options
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 383968c4e3f..cadecab721c 100644 --- a/src/include/access/xlogdefs.h +++ b/src/include/access/xlogdefs.h @@ -29,6 +29,13 @@ typedef uint64 XLogRecPtr; #define XLogRecPtrIsInvalid(r) ((r) == InvalidXLogRecPtr) /* + * First LSN to use for "fake" LSNs. + * + * Values smaller than this can be used for special per-AM purposes. + */ +#define FirstNormalUnloggedLSN ((XLogRecPtr) 1000) + +/* * XLogSegNo - physical log file sequence number. */ typedef uint64 XLogSegNo; |