mysql 主键id设置未自增实现id自增插入

错误写法：

-- 执行报错：You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'SELECT MAX(sid) +1  FROM `pic_b_timing`, 'MZX20220315001', '01', 'UNDO', 1000, '' at line 2
EXPLAIN INSERT INTO `pic_b_timing`(`sid`, `product_code`, `epolicy_deal_type`, `epolicy_state`, `deal_count`, `mq_flag`, `deal_time`, `time_unit`, `order_type`, `valid`, `timing_type`) 
VALUES (SELECT MAX(sid) +1  FROM `pic_b_timing`, 'MZX20220315001', '01', 'UNDO', 1000, '0', NULL, NULL, '01', 1, '03');

正确写法：

-- 取别名执行成功
EXPLAIN INSERT INTO `pic_b_timing`(`sid`, `product_code`, `epolicy_deal_type`, `epolicy_state`, `deal_count`, `mq_flag`, `deal_time`, `time_unit`, `order_type`, `valid`, `timing_type`) 
VALUES ((SELECT MAX(sid) +1  FROM `pic_b_timing` a), 'MZX20220315001', '01', 'UNDO', 1000, '0', NULL, NULL, '01', 1, '03');

最后

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