19 lines
456 B
MySQL
19 lines
456 B
MySQL
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/*
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* 20250519
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*/
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DELIMITER // -- 重定义分隔符避免分号冲突
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CREATE PROCEDURE `wvp_20250519`()
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BEGIN
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IF NOT EXISTS (SELECT column_name FROM information_schema.columns
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WHERE TABLE_SCHEMA = (SELECT DATABASE()) and table_name = 'wvp_device' and column_name = 'device_type')
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THEN
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ALTER TABLE wvp_device ADD device_type integer;
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END IF;
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END; //
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call wvp_20250519();
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DROP PROCEDURE wvp_20250519;
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DELIMITER ;
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