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Change WAL-logging scheme for multixacts to be more like regular

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transaction IDs, rather than like subtrans; in particular, the information
now survives a database restart.  Per previous discussion, this is
essential for PITR log shipping and for 2PC.
This commit is contained in:
Tom Lane
2005-06-08 15:50:28 +00:00
parent 593badd30b
commit f5b2f60bd1
12 changed files with 560 additions and 274 deletions
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5
src/backend/access/transam/rmgr.c
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@ -3,7 +3,7 @@
*
* Resource managers definition
*
* $PostgreSQL: pgsql/src/backend/access/transam/rmgr.c,v 1.18 2005/06/06 17:01:22 tgl Exp $
* $PostgreSQL: pgsql/src/backend/access/transam/rmgr.c,v 1.19 2005/06/08 15:50:26 tgl Exp $
*/
#include "postgres.h"
@ -11,6 +11,7 @@
#include "access/gist_private.h"
#include "access/hash.h"
#include "access/heapam.h"
#include "access/multixact.h"
#include "access/nbtree.h"
#include "access/rtree.h"
#include "access/xact.h"
@ -28,7 +29,7 @@ const RmgrData RmgrTable[RM_MAX_ID + 1] = {
{"CLOG", clog_redo, clog_desc, NULL, NULL},
{"Database", dbase_redo, dbase_desc, NULL, NULL},
{"Tablespace", tblspc_redo, tblspc_desc, NULL, NULL},
{"Reserved 6", NULL, NULL, NULL, NULL},
{"MultiXact", multixact_redo, multixact_desc, NULL, NULL},
{"Reserved 7", NULL, NULL, NULL, NULL},
{"Reserved 8", NULL, NULL, NULL, NULL},
{"Reserved 9", NULL, NULL, NULL, NULL},