database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-29 10:41:53 +03:00
Code Activity

XLOG stuff for sequences.

Browse Source 
CommitDelay in guc.c
This commit is contained in:
Vadim B. Mikheev
2000-11-30 01:47:33 +00:00
parent 680b7357ce
commit 741510521c
10 changed files with 241 additions and 67 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
src/backend/access/transam/xlog.c
View File

@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.36 2000/11/28 23:27:54 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.37 2000/11/30 01:47:31 vadim Exp $
*
*-------------------------------------------------------------------------
*/
@ -240,17 +240,26 @@ static bool InRedo = false;
XLogRecPtr
XLogInsert(RmgrId rmid, uint8 info, char *hdr, uint32 hdrlen, char *buf, uint32 buflen)
{
XLogCtlInsert *Insert = &XLogCtl->Insert;
XLogRecord *record;
XLogSubRecord *subrecord;
XLogRecPtr RecPtr;
uint32 len = hdrlen + buflen,
freespace,
wlen;
uint16 curridx;
bool updrqst = false;
XLogCtlInsert *Insert = &XLogCtl->Insert;
XLogRecord *record;
XLogSubRecord *subrecord;
XLogRecPtr RecPtr;
uint32 len = hdrlen + buflen,
freespace,
wlen;
uint16 curridx;
bool updrqst = false;
bool no_tran = (rmid == RM_XLOG_ID) ? true : false;
if (info & XLR_INFO_MASK)
{
if ((info & XLR_INFO_MASK) != XLOG_NO_TRAN)
elog(STOP, "XLogInsert: invalid info mask %02X",
(info & XLR_INFO_MASK));
no_tran = true;
info &= ~XLR_INFO_MASK;
}
Assert(!(info & XLR_INFO_MASK));
if (len == 0 || len > MAXLOGRECSZ)
elog(STOP, "XLogInsert: invalid record len %u", len);
@ -324,13 +333,14 @@ XLogInsert(RmgrId rmid, uint8 info, char *hdr, uint32 hdrlen, char *buf, uint32
freespace -= SizeOfXLogRecord;
record = (XLogRecord *) Insert->currpos;
record->xl_prev = Insert->PrevRecord;
if (rmid != RM_XLOG_ID)
record->xl_xact_prev = MyLastRecPtr;
else
if (no_tran)
{
record->xl_xact_prev.xlogid = 0;
record->xl_xact_prev.xrecoff = 0;
}
else
record->xl_xact_prev = MyLastRecPtr;
record->xl_xid = GetCurrentTransactionId();
record->xl_len = (len > freespace) ? freespace : len;
record->xl_info = (len > freespace) ?
@ -340,7 +350,7 @@ XLogInsert(RmgrId rmid, uint8 info, char *hdr, uint32 hdrlen, char *buf, uint32
RecPtr.xrecoff =
XLogCtl->xlblocks[curridx].xrecoff - BLCKSZ +
Insert->currpos - ((char *) Insert->currpage);
if (MyLastRecPtr.xrecoff == 0 && rmid != RM_XLOG_ID)
if (MyLastRecPtr.xrecoff == 0 && !no_tran)
{
SpinAcquire(SInvalLock);
MyProc->logRec = RecPtr;