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  • mysql 循环 例子

    mysql 循环生成数据demo:

    DROP PROCEDURE
    IF
        EXISTS test_insert;
    DELIMITER;;
    CREATE PROCEDURE test_insert() BEGIN
    DECLARE   i INT DEFAULT 1;
    DECLARE    time VARCHAR(50) ;
    DECLARE    id VARCHAR(50) ;
    DECLARE    caseId VARCHAR(50) DEFAULT 'case001';
    DECLARE    yearMonth VARCHAR(50) DEFAULT '2021-06';
    DECLARE    clearNodeId VARCHAR(50) DEFAULT '1234567';
    DECLARE    clearNodeNamde VARCHAR(50) DEFAULT 'xxxxy';
    DECLARE    clearingNodeType INT DEFAULT 1;
    DECLARE    contractNo VARCHAR(50) DEFAULT '1234';
        WHILE
           i < 31 DO
               CASE i
              WHEN i<10 THEN 
              SET time= CONCAT('2021-06-0',i, ' 00:00:00');
              ELSE 
              SET time= CONCAT('2021-06-',i, ' 00:00:00');
           END CASE;
           SET id= replace(uuid(),"-","");
           INSERT INTO `test_table` VALUES (id, caseId, yearMonth, clearNodeId, clearNodeNamde, clearingNodeType, contractNo, time);
           SET i = i + 1;
        END WHILE;
        COMMIT;
        END;;
    CALL test_insert();

     仅作为笔记,欢迎参考;

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  • 原文地址:https://www.cnblogs.com/junmint/p/14950050.html
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