17 lines
502 B
MySQL
17 lines
502 B
MySQL
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DELIMITER $$
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CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn2008`.`check_table_existence`(IN table_name CHAR(64))
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BEGIN
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DECLARE CONTINUE HANDLER FOR SQLSTATE '42S02' SET @err = 1;
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SET @err = 0;
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SET @table_name = table_name;
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SET @sqlString = CONCAT('SELECT NULL FROM ',@table_name);
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PREPARE stmt1 FROM @sqlString;
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IF (@err = 1) THEN
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SET @table_exists = 0;
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ELSE
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SET @table_exists = 1;
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DEALLOCATE PREPARE stmt1;
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END IF;
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END$$
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DELIMITER ;
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