| -- Licensed to the Apache Software Foundation (ASF) under one or more |
| -- contributor license agreements. See the NOTICE file distributed with |
| -- this work for additional information regarding copyright ownership. |
| -- The ASF licenses this file to You under the Apache License, Version 2.0 |
| -- (the "License"); you may not use this file except in compliance with |
| -- the License. You may obtain a copy of the License at |
| -- |
| -- http://www.apache.org/licenses/LICENSE-2.0 |
| -- |
| -- Unless required by applicable law or agreed to in writing, software |
| -- distributed under the License is distributed on an "AS IS" BASIS, |
| -- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| -- See the License for the specific language governing permissions and |
| -- limitations under the License. |
| |
| DECLARE |
| v_column_exists number := 0; |
| BEGIN |
| Select count(*) into v_column_exists |
| from user_tab_cols |
| where column_name = upper('policy_name') |
| and table_name = upper('x_resource'); |
| if (v_column_exists = 0) then |
| execute immediate 'ALTER TABLE x_resource ADD policy_name VARCHAR(500) DEFAULT NULL NULL'; |
| execute immediate 'ALTER TABLE x_resource ADD CONSTRAINT x_resource_UK_policy_name UNIQUE(policy_name)'; |
| commit; |
| end if; |
| end;/ |
