12 lines
510 B
SQL
12 lines
510 B
SQL
-- 推广邮件日志：增加内部受众 user_id 列
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-- expert_type=5（外部 expert 库）：expert_id 有值，user_id=0
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-- expert_type∈{1,2,3,4}（内部主编/编委/青年编委/作者）：user_id 有值，expert_id=0
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ALTER TABLE `t_promotion_email_log`
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ADD COLUMN `user_id` INT NOT NULL DEFAULT 0
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COMMENT '内部受众 user_id；expert_type∈{1..4} 时填，=5 时为 0'
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AFTER `expert_id`;
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ALTER TABLE `t_promotion_email_log`
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ADD INDEX `idx_user_send_time` (`user_id`, `send_time`);
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