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Make btree index structure adjustments and WAL logging changes needed to

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support btree compaction, as per proposal of a few days ago.  btree index
pages no longer store parent links, instead they have a level indicator
(counting up from zero for leaf pages).  The FixBTree recovery logic is
removed, and replaced by code that detects missing parent-level insertions
during WAL replay.  Also, generate appropriate WAL entries when updating
btree metapage and when building a btree index from scratch.  I believe
btree indexes are now completely WAL-legal for the first time.
initdb forced due to index and WAL changes.
This commit is contained in:
Tom Lane
2003-02-21 00:06:22 +00:00
parent 4df0f1d26f
commit 70508ba7ae
13 changed files with 2179 additions and 1875 deletions
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37
src/backend/access/transam/rmgr.c
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@ -3,7 +3,7 @@
*
* Resource managers definition
*
* $Header: /cvsroot/pgsql/src/backend/access/transam/rmgr.c,v 1.9 2001/08/25 18:52:41 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/access/transam/rmgr.c,v 1.10 2003/02/21 00:06:22 tgl Exp $
*/
#include "postgres.h"
@ -19,21 +19,22 @@
#include "commands/sequence.h"
RmgrData RmgrTable[] = {
{"XLOG", xlog_redo, xlog_undo, xlog_desc},
{"Transaction", xact_redo, xact_undo, xact_desc},
{"Storage", smgr_redo, smgr_undo, smgr_desc},
{"CLOG", clog_redo, clog_undo, clog_desc},
{"Reserved 4", NULL, NULL, NULL},
{"Reserved 5", NULL, NULL, NULL},
{"Reserved 6", NULL, NULL, NULL},
{"Reserved 7", NULL, NULL, NULL},
{"Reserved 8", NULL, NULL, NULL},
{"Reserved 9", NULL, NULL, NULL},
{"Heap", heap_redo, heap_undo, heap_desc},
{"Btree", btree_redo, btree_undo, btree_desc},
{"Hash", hash_redo, hash_undo, hash_desc},
{"Rtree", rtree_redo, rtree_undo, rtree_desc},
{"Gist", gist_redo, gist_undo, gist_desc},
{"Sequence", seq_redo, seq_undo, seq_desc}
RmgrData RmgrTable[RM_MAX_ID+1] = {
{"XLOG", xlog_redo, xlog_undo, xlog_desc, NULL, NULL},
{"Transaction", xact_redo, xact_undo, xact_desc, NULL, NULL},
{"Storage", smgr_redo, smgr_undo, smgr_desc, NULL, NULL},
{"CLOG", clog_redo, clog_undo, clog_desc, NULL, NULL},
{"Reserved 4", NULL, NULL, NULL, NULL, NULL},
{"Reserved 5", NULL, NULL, NULL, NULL, NULL},
{"Reserved 6", NULL, NULL, NULL, NULL, NULL},
{"Reserved 7", NULL, NULL, NULL, NULL, NULL},
{"Reserved 8", NULL, NULL, NULL, NULL, NULL},
{"Reserved 9", NULL, NULL, NULL, NULL, NULL},
{"Heap", heap_redo, heap_undo, heap_desc, NULL, NULL},
{"Btree", btree_redo, btree_undo, btree_desc,
btree_xlog_startup, btree_xlog_cleanup},
{"Hash", hash_redo, hash_undo, hash_desc, NULL, NULL},
{"Rtree", rtree_redo, rtree_undo, rtree_desc, NULL, NULL},
{"Gist", gist_redo, gist_undo, gist_desc, NULL, NULL},
{"Sequence", seq_redo, seq_undo, seq_desc, NULL, NULL}
};