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/* index.c - routines for dealing with attribute indexes */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2000-2021 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"
#include <stdio.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "slap.h"
#include "back-bdb.h"
#include "idl.h"
/* read a key */
int
bdb_key_read(
Backend *be,
DB *db,
DB_TXN *txn,
struct berval *k,
ID *ids,
DBC **saved_cursor,
int get_flag
)
{
int rc;
DBT key;
Debug( LDAP_DEBUG_TRACE, "=> key_read\n", 0, 0, 0 );
DBTzero( &key );
bv2DBT(k,&key);
key.ulen = key.size;
key.flags = DB_DBT_USERMEM;
rc = bdb_idl_fetch_key( be, db, txn, &key, ids, saved_cursor, get_flag );
if( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "<= bdb_index_read: failed (%d)\n",
rc, 0, 0 );
} else {
Debug( LDAP_DEBUG_TRACE, "<= bdb_index_read %ld candidates\n",
(long) BDB_IDL_N(ids), 0, 0 );
}
return rc;
}
/* Add or remove stuff from index files */
int
bdb_key_change(
Backend *be,
DB *db,
DB_TXN *txn,
struct berval *k,
ID id,
int op
)
{
int rc;
DBT key;
Debug( LDAP_DEBUG_TRACE, "=> key_change(%s,%lx)\n",
op == SLAP_INDEX_ADD_OP ? "ADD":"DELETE", (long) id, 0 );
DBTzero( &key );
bv2DBT(k,&key);
key.ulen = key.size;
key.flags = DB_DBT_USERMEM;
if (op == SLAP_INDEX_ADD_OP) {
/* Add values */
#ifdef BDB_TOOL_IDL_CACHING
if ( slapMode & SLAP_TOOL_QUICK )
rc = bdb_tool_idl_add( be, db, txn, &key, id );
else
#endif
rc = bdb_idl_insert_key( be, db, txn, &key, id );
if ( rc == DB_KEYEXIST ) rc = 0;
} else {
/* Delete values */
rc = bdb_idl_delete_key( be, db, txn, &key, id );
if ( rc == DB_NOTFOUND ) rc = 0;
}
Debug( LDAP_DEBUG_TRACE, "<= key_change %d\n", rc, 0, 0 );
return rc;
}
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