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test_issues.cpp

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    calcIntersection.sql 1.30 KiB
    /*
     * ** header v3.0
     * This file is a part of the CaosDB Project.
     *
     * Copyright (C) 2018 Research Group Biomedical Physics,
     * Max-Planck-Institute for Dynamics and Self-Organization Göttingen
     *
     * This program is free software: you can redistribute it and/or modify
     * it under the terms of the GNU Affero General Public License as
     * published by the Free Software Foundation, either version 3 of the
     * License, or (at your option) any later version.
     *
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     * GNU Affero General Public License for more details.
     *
     * You should have received a copy of the GNU Affero General Public License
     * along with this program. If not, see <https://www.gnu.org/licenses/>.
     *
     * ** end header
     */
    
    
    DROP PROCEDURE IF EXISTS db_2_0.calcIntersection;
    DELIMITER //
    
    CREATE PROCEDURE db_2_0.calcIntersection(in resultSetTable VARCHAR(255), in intersectWith VARCHAR(255))
    BEGIN
        SET @diffStmtStr = CONCAT('DELETE FROM `', resultSetTable, '` WHERE NOT EXISTS ( SELECT 1 FROM `', intersectWith,'` AS diff WHERE diff.id=`',resultSetTable,'`.`id`)');
        PREPARE diffStmt FROM @diffStmtStr;
        EXECUTE diffStmt;
    
        
    END;
    //
    
    DELIMITER ;