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Diffstat (limited to 'db2/hash/hash_rec.c')
-rw-r--r--db2/hash/hash_rec.c36
1 files changed, 22 insertions, 14 deletions
diff --git a/db2/hash/hash_rec.c b/db2/hash/hash_rec.c
index 09508251a2..efaf61c638 100644
--- a/db2/hash/hash_rec.c
+++ b/db2/hash/hash_rec.c
@@ -1,7 +1,7 @@
/*-
* See the file LICENSE for redistribution information.
*
- * Copyright (c) 1996, 1997
+ * Copyright (c) 1996, 1997, 1998
* Sleepycat Software. All rights reserved.
*/
/*
@@ -47,14 +47,13 @@
#include "config.h"
#ifndef lint
-static const char sccsid[] = "@(#)hash_rec.c 10.15 (Sleepycat) 12/4/97";
+static const char sccsid[] = "@(#)hash_rec.c 10.19 (Sleepycat) 5/23/98";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#include <errno.h>
-#include <stdlib.h>
#include <string.h>
#endif
@@ -64,7 +63,6 @@ static const char sccsid[] = "@(#)hash_rec.c 10.15 (Sleepycat) 12/4/97";
#include "hash.h"
#include "btree.h"
#include "log.h"
-#include "db_dispatch.h"
#include "common_ext.h"
/*
@@ -131,13 +129,23 @@ __ham_insdel_recover(logp, dbtp, lsnp, redo, info)
if ((op == DELPAIR && cmp_n == 0 && !redo) ||
(op == PUTPAIR && cmp_p == 0 && redo)) {
- /* Need to redo a PUT or undo a delete. */
- __ham_putitem(pagep, &argp->key,
- !redo || PAIR_ISKEYBIG(argp->opcode) ?
- H_OFFPAGE : H_KEYDATA);
- __ham_putitem(pagep, &argp->data,
- !redo || PAIR_ISDATABIG(argp->opcode) ?
- H_OFFPAGE : H_KEYDATA);
+ /*
+ * Need to redo a PUT or undo a delete. If we are undoing a
+ * delete, we've got to restore the item back to its original
+ * position. That's a royal pain in the butt (because we do
+ * not store item lengths on the page), but there's no choice.
+ */
+ if (op != DELPAIR ||
+ argp->ndx == (u_int32_t)H_NUMPAIRS(pagep)) {
+ __ham_putitem(pagep, &argp->key,
+ !redo || PAIR_ISKEYBIG(argp->opcode) ?
+ H_OFFPAGE : H_KEYDATA);
+ __ham_putitem(pagep, &argp->data,
+ !redo || PAIR_ISDATABIG(argp->opcode) ?
+ H_OFFPAGE : H_KEYDATA);
+ } else
+ (void) __ham_reputpair(pagep, hashp->hdr->pagesize,
+ argp->ndx, &argp->key, &argp->data);
LSN(pagep) = redo ? *lsnp : argp->pagelsn;
if ((ret = __ham_put_page(file_dbp, pagep, 1)) != 0)
@@ -453,7 +461,7 @@ __ham_newpgno_recover(logp, dbtp, lsnp, redo, info)
DBT *dbtp;
DB_LSN *lsnp;
int redo;
- void *info;
+ void *info;
{
__ham_newpgno_args *argp;
DB *mdbp, *file_dbp;
@@ -574,7 +582,7 @@ __ham_splitmeta_recover(logp, dbtp, lsnp, redo, info)
DBT *dbtp;
DB_LSN *lsnp;
int redo;
- void *info;
+ void *info;
{
__ham_splitmeta_args *argp;
DB *mdbp, *file_dbp;
@@ -649,7 +657,7 @@ __ham_splitdata_recover(logp, dbtp, lsnp, redo, info)
DBT *dbtp;
DB_LSN *lsnp;
int redo;
- void *info;
+ void *info;
{
__ham_splitdata_args *argp;
DB *mdbp, *file_dbp;