applySAT.sql

/*
 * ** 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.applySAT;
DELIMITER //

CREATE PROCEDURE db_2_0.applySAT(in sourceSet VARCHAR(255), in targetSet VARCHAR(255), in loc MEDIUMTEXT, in op CHAR(5))
BEGIN

    IF targetSet IS NULL OR sourceSet = targetSet THEN
        SET @stmtSATString = CONCAT('DELETE FROM `', sourceSet, '` WHERE id NOT IN (SELECT file_id FROM files WHERE path ', op, ' ?)');  
    ELSE
        SET @stmtSATString = CONCAT('INSERT INTO `', targetSet, '` (id) SELECT data.id FROM `',sourceSet,'` as data WHERE EXISTS (SELECT 1 FROM `files` as f WHERE f.file_id=data.id AND f.path ', op, ' ?)');
    END IF;
    PREPARE stmtSAT FROM @stmtSATString;
	SET @loc = loc;
    EXECUTE stmtSAT USING @loc;
    DEALLOCATE PREPARE stmtSAT;

END;
//
DELIMITER ;