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Add support for forcing a switch to a new xlog file; cause such a switch

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to happen automatically during pg_stop_backup().  Add some functions for
interrogating the current xlog insertion point and for easily extracting
WAL filenames from the hex WAL locations displayed by pg_stop_backup
and friends.  Simon Riggs with some editorialization by Tom Lane.
This commit is contained in:
Tom Lane
2006-08-06 03:53:44 +00:00
parent c0dc166adc
commit 704ddaaa09
7 changed files with 516 additions and 67 deletions
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6
src/include/access/xlog_internal.h
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@@ -11,7 +11,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/access/xlog_internal.h,v 1.13 2006/04/05 03:34:05 tgl Exp $
* $PostgreSQL: pgsql/src/include/access/xlog_internal.h,v 1.14 2006/08/06 03:53:44 tgl Exp $
*/
#ifndef XLOG_INTERNAL_H
#define XLOG_INTERNAL_H
@@ -241,5 +241,9 @@ extern const RmgrData RmgrTable[];
*/
extern Datum pg_start_backup(PG_FUNCTION_ARGS);
extern Datum pg_stop_backup(PG_FUNCTION_ARGS);
extern Datum pg_switch_xlog(PG_FUNCTION_ARGS);
extern Datum pg_current_xlog_location(PG_FUNCTION_ARGS);
extern Datum pg_xlogfile_name_offset(PG_FUNCTION_ARGS);
extern Datum pg_xlogfile_name(PG_FUNCTION_ARGS);
#endif /* XLOG_INTERNAL_H */