2004-01-20 06:13:15 +08:00
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/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 1999-2004 The OpenLDAP Foundation.
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* Portions Copyright 1999 Dmitry Kovalev.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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/* ACKNOWLEDGEMENTS:
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* This work was initially developed by Dmitry Kovalev for inclusion
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* by OpenLDAP Software.
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*/
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#include "portable.h"
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#ifdef SLAPD_SQL
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#include <stdio.h>
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#include <sys/types.h>
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#include "ac/string.h"
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#include "slap.h"
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#include "ldap_pvt.h"
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#include "proto-sql.h"
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int
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backsql_delete( Operation *op, SlapReply *rs )
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{
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backsql_info *bi = (backsql_info*)op->o_bd->be_private;
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SQLHDBC dbh;
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SQLHSTMT sth;
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RETCODE rc;
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backsql_oc_map_rec *oc = NULL;
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2004-04-10 17:33:55 +08:00
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backsql_entryID e_id = BACKSQL_ENTRYID_INIT;
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2004-01-20 06:13:15 +08:00
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Entry e;
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/* first parameter no */
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SQLUSMALLINT pno;
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Debug( LDAP_DEBUG_TRACE, "==>backsql_delete(): deleting entry \"%s\"\n",
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op->o_req_ndn.bv_val, 0, 0 );
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dnParent( &op->o_req_dn, &e.e_name );
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dnParent( &op->o_req_ndn, &e.e_nname );
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e.e_attrs = NULL;
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/* check parent for "children" acl */
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if ( !access_allowed( op, &e, slap_schema.si_ad_children,
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NULL, ACL_WRITE, NULL ) ) {
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Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
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"no write access to parent\n",
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0, 0, 0 );
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rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
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goto done;
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}
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rs->sr_err = backsql_get_db_conn( op, &dbh );
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if ( rs->sr_err != LDAP_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
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"could not get connection handle - exiting\n",
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0, 0, 0 );
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rs->sr_text = ( rs->sr_err == LDAP_OTHER )
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? "SQL-backend error" : NULL;
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goto done;
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}
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rs->sr_err = backsql_dn2id( bi, &e_id, dbh, &op->o_req_ndn );
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if ( rs->sr_err != LDAP_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
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"could not lookup entry id\n", 0, 0, 0 );
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goto done;
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}
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rs->sr_err = backsql_has_children( bi, dbh, &op->o_req_ndn );
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switch ( rs->sr_err ) {
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case LDAP_COMPARE_TRUE:
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Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
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"entry \"%s\" has children\n",
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op->o_req_dn.bv_val, 0, 0 );
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rs->sr_err = LDAP_NOT_ALLOWED_ON_NONLEAF;
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rs->sr_text = "subtree delete not supported";
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goto done;
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case LDAP_COMPARE_FALSE:
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break;
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default:
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goto done;
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}
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2004-04-08 17:08:28 +08:00
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oc = backsql_id2oc( bi, e_id.eid_oc_id );
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2004-01-20 06:13:15 +08:00
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if ( oc == NULL ) {
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Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
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"cannot determine objectclass of entry -- aborting\n",
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0, 0, 0 );
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rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
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rs->sr_text = "operation not permitted within namingContext";
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goto done;
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}
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if ( oc->bom_delete_proc == NULL ) {
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Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
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"delete procedure is not defined "
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"for this objectclass - aborting\n", 0, 0, 0 );
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rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
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rs->sr_text = "operation not permitted within namingContext";
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goto done;
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}
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SQLAllocStmt( dbh, &sth );
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2004-03-10 22:51:41 +08:00
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rc = backsql_Prepare( dbh, &sth, oc->bom_delete_proc, 0 );
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if ( rc != SQL_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE,
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" backsql_delete(): "
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"error preparing delete query\n",
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0, 0, 0 );
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backsql_PrintErrors( bi->db_env, dbh, sth, rc );
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "SQL-backend error";
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goto done;
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}
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2004-01-20 06:13:15 +08:00
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if ( BACKSQL_IS_DEL( oc->bom_expect_return ) ) {
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pno = 1;
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SQLBindParameter( sth, 1, SQL_PARAM_OUTPUT, SQL_C_ULONG,
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SQL_INTEGER, 0, 0, &rc, 0, 0 );
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} else {
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pno = 0;
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}
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2004-04-08 17:08:28 +08:00
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#ifdef BACKSQL_ARBITRARY_KEY
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2004-01-20 06:13:15 +08:00
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SQLBindParameter( sth, pno + 1, SQL_PARAM_INPUT,
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2004-04-08 17:08:28 +08:00
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SQL_C_CHAR, SQL_VARCHAR, 0, 0, e_id.eid_keyval.bv_val,
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0, 0 );
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#else /* ! BACKSQL_ARBITRARY_KEY */
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SQLBindParameter( sth, pno + 1, SQL_PARAM_INPUT,
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SQL_C_ULONG, SQL_INTEGER, 0, 0, &e_id.eid_keyval,
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0, 0 );
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#endif /* ! BACKSQL_ARBITRARY_KEY */
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2004-01-20 06:13:15 +08:00
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2004-03-10 22:51:41 +08:00
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rc = SQLExecute( sth );
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2004-01-20 06:13:15 +08:00
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if ( rc != SQL_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
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"delete_proc execution failed\n", 0, 0, 0 );
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backsql_PrintErrors( bi->db_env, dbh, sth, rc );
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SQLFreeStmt( sth, SQL_DROP );
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "SQL-backend error";
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goto done;
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}
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#ifndef BACKSQL_REALLOC_STMT
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SQLFreeStmt( sth, SQL_RESET_PARAMS );
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#else /* BACKSQL_REALLOC_STMT */
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SQLFreeStmt( sth, SQL_DROP );
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SQLAllocStmt( dbh, &sth );
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#endif /* BACKSQL_REALLOC_STMT */
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2004-03-10 22:51:41 +08:00
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rc = backsql_Prepare( dbh, &sth, bi->delentry_query, 0 );
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if ( rc != SQL_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE,
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" backsql_delete(): "
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"error preparing ldap_entries delete query\n",
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0, 0, 0 );
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backsql_PrintErrors( bi->db_env, dbh, sth, rc );
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "SQL-backend error";
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goto done;
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}
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2004-04-08 17:08:28 +08:00
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#ifdef BACKSQL_ARBITRARY_KEY
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SQLBindParameter( sth, 1, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_VARCHAR,
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0, 0, e_id.eid_id.bv_val, 0, 0 );
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#else /* ! BACKSQL_ARBITRARY_KEY */
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2004-01-20 06:13:15 +08:00
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SQLBindParameter( sth, 1, SQL_PARAM_INPUT, SQL_C_ULONG, SQL_INTEGER,
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2004-04-08 17:08:28 +08:00
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0, 0, &e_id.eid_id, 0, 0 );
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#endif /* ! BACKSQL_ARBITRARY_KEY */
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2004-03-10 22:51:41 +08:00
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rc = SQLExecute( sth );
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2004-01-20 06:13:15 +08:00
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if ( rc != SQL_SUCCESS ) {
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Debug( LDAP_DEBUG_TRACE, " backsql_delete(): "
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"failed to delete record from ldap_entries\n",
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0, 0, 0 );
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backsql_PrintErrors( bi->db_env, dbh, sth, rc );
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SQLFreeStmt( sth, SQL_DROP );
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rs->sr_err = LDAP_OTHER;
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rs->sr_text = "SQL-backend error";
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goto done;
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}
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/*
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* Commit only if all operations succeed
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*
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* FIXME: backsql_add() does not fail if add operations
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* are not available for some attributes, or if
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* a multiple value add actually results in a replace,
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* or if a single operation on an attribute fails
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* for any reason
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*/
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SQLTransact( SQL_NULL_HENV, dbh,
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op->o_noop ? SQL_ROLLBACK : SQL_COMMIT );
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rs->sr_err = LDAP_SUCCESS;
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done:;
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send_ldap_result( op, rs );
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Debug( LDAP_DEBUG_TRACE, "<==backsql_delete()\n", 0, 0, 0 );
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return ( ( rs->sr_err == LDAP_SUCCESS ) ? op->o_noop : 1 );
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}
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#endif /* SLAPD_SQL */
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