| -- 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. |
| |
| select 'delimiter start'; |
| CREATE OR REPLACE FUNCTION create_index_on_x_data_hist() |
| RETURNS void AS $$ |
| DECLARE |
| v_attnum1 integer := 0; |
| v_attnum2 integer := 0; |
| BEGIN |
| select attnum into v_attnum1 from pg_attribute where attrelid in(select oid from pg_class where relname='x_data_hist') and attname in('obj_id'); |
| select attnum into v_attnum2 from pg_attribute where attrelid in(select oid from pg_class where relname='x_data_hist') and attname in('obj_class_type'); |
| IF v_attnum1 > 0 and v_attnum2 > 0 THEN |
| IF not exists (select * from pg_index where indrelid in(select oid from pg_class where relname='x_data_hist') and indkey[0]=v_attnum1 and indkey[1]=v_attnum2) THEN |
| CREATE INDEX x_data_hist_idx_objid_objclstype ON x_data_hist(obj_id,obj_class_type); |
| END IF; |
| END IF; |
| END; |
| $$ LANGUAGE plpgsql; |
| select create_index_on_x_data_hist(); |
| select 'delimiter end'; |