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Implement WAL log location control using "-X" or PGXLOG.

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This commit is contained in:
Thomas G. Lockhart 2002-08-04 06:53:10 +00:00
parent eb121ba2cf
commit c755f6027f
1 changed files with 20 additions and 3 deletions

23
src/backend/access/transam/xlog.c

@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.98 2002/06/20 20:29:25 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.99 2002/08/04 06:53:10 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -389,7 +389,7 @@ static ControlFileData *ControlFile = NULL;
/* File path names */
static char XLogDir[MAXPGPATH];
static char XLogDir[MAXPGPATH] = "";
static char ControlFilePath[MAXPGPATH];
/*
@ -2065,11 +2065,28 @@ ValidXLOGHeader(XLogPageHeader hdr, int emode, bool checkSUI)
* I/O and compatibility-check functions, but there seems no need currently.
*/
void
SetXLogDir(char *path)
{
if (path != NULL)
{
if (strlen(path) >= MAXPGPATH)
elog(FATAL, "XLOG path '%s' is too long"
"; maximum length is %d characters", path, MAXPGPATH-1);
strcpy(XLogDir, path);
}
else
{
snprintf(XLogDir, MAXPGPATH, "%s/pg_xlog", DataDir);
}
}
void
XLOGPathInit(void)
{
/* Init XLOG file paths */
snprintf(XLogDir, MAXPGPATH, "%s/pg_xlog", DataDir);
if (strlen(XLogDir) <= 0)
SetXLogDir(NULL);
snprintf(ControlFilePath, MAXPGPATH, "%s/global/pg_control", DataDir);
}