add paged results support to back-ldap

[openldap] / servers / slapd / back-bdb / dbcache.c

diff --git a/servers/slapd/back-bdb/dbcache.c b/servers/slapd/back-bdb/dbcache.c
index de55018803adae4092c5797411809735433b9c60..23d964deaa3bd45446d27ffc150fdc4c4a1c3d86 100644 (file)
--- a/servers/slapd/back-bdb/dbcache.c
+++ b/servers/slapd/back-bdb/dbcache.c
@@ -1,8 +1,17 @@
 /* dbcache.c - manage cache of open databases */
 /* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2000-2004 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
  */
 
 #include "portable.h"
@@ -19,6 +28,7 @@
 #include "back-bdb.h"
 #include "lutil_hash.h"
 
+#ifdef BDB_INDEX_USE_HASH
 /* Pass-thru hash function. Since the indexer is already giving us hash
  * values as keys, we don't need BDB to re-hash them.
  */
@@ -42,6 +52,10 @@ bdb_db_hash(
        }
        return ret;
 }
+#define        BDB_INDEXTYPE   DB_HASH
+#else
+#define        BDB_INDEXTYPE   DB_BTREE
+#endif
 
 int
 bdb_db_cache(
@@ -100,7 +114,9 @@ bdb_db_cache(
        }
 
        rc = db->bdi_db->set_pagesize( db->bdi_db, BDB_PAGESIZE );
+#ifdef BDB_INDEX_USE_HASH
        rc = db->bdi_db->set_h_hash( db->bdi_db, bdb_db_hash );
+#endif
        rc = db->bdi_db->set_flags( db->bdi_db, DB_DUP | DB_DUPSORT );
        rc = db->bdi_db->set_dup_compare( db->bdi_db, bdb_bt_compare );
 
@@ -112,7 +128,7 @@ bdb_db_cache(
 #endif
        rc = DB_OPEN( db->bdi_db,
                file, NULL /* name */,
-               DB_HASH, bdb->bi_db_opflags | DB_CREATE | DB_THREAD,
+               BDB_INDEXTYPE, bdb->bi_db_opflags | DB_CREATE | DB_THREAD,
                bdb->bi_dbenv_mode );
 
        ch_free( file );