From b58c0411bad414a5dbde8b38f615867c68adf55c Mon Sep 17 00:00:00 2001 From: "Vadim B. Mikheev" Date: Fri, 20 Oct 2000 11:01:21 +0000 Subject: redo/undo support functions and cleanups. --- src/include/access/xlog.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'src/include/access/xlog.h') diff --git a/src/include/access/xlog.h b/src/include/access/xlog.h index 69bf1487777..c73217f9ccc 100644 --- a/src/include/access/xlog.h +++ b/src/include/access/xlog.h @@ -72,12 +72,24 @@ typedef XLogPageHeaderData *XLogPageHeader; #define XLP_FIRST_IS_SUBRECORD 0x0001 +#define XLByteLT(left, right) \ + (right.xlogid > left.xlogid || \ + (right.xlogid == left.xlogid && right.xrecoff > left.xrecoff)) + +#define XLByteLE(left, right) \ + (right.xlogid > left.xlogid || \ + (right.xlogid == left.xlogid && right.xrecoff >= left.xrecoff)) + +#define XLByteEQ(left, right) \ + (right.xlogid == left.xlogid && right.xrecoff == left.xrecoff) + /* * StartUpID (SUI) - system startups counter. * It's to allow removing pg_log after shutdown. */ typedef uint32 StartUpID; extern StartUpID ThisStartUpID; +extern bool InRecovery; extern XLogRecPtr XLogInsert(RmgrId rmid, uint8 info, char *hdr, uint32 hdrlen, -- cgit v1.2.3