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b24e49e32c
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55 lines
2.0 KiB
SQL
55 lines
2.0 KiB
SQL
-- 迁移脚本：为t_alert_info表添加org_id和user_id字段
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-- 执行日期：2024年
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-- 说明：增强告警系统，支持组织和用户关联
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-- 1. 添加新字段
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ALTER TABLE t_alert_info
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ADD COLUMN org_id BIGINT NULL COMMENT '组织ID',
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ADD COLUMN user_id BIGINT NULL COMMENT '用户ID';
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-- 2. 添加索引以提升查询性能
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CREATE INDEX idx_alert_info_org_id ON t_alert_info(org_id);
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CREATE INDEX idx_alert_info_user_id ON t_alert_info(user_id);
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CREATE INDEX idx_alert_info_device_sn ON t_alert_info(device_sn);
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CREATE INDEX idx_alert_info_org_device ON t_alert_info(org_id, device_sn);
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-- 3. 批量更新现有数据的org_id和user_id
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-- 通过device_sn关联t_device_info表获取user_id和org_id
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UPDATE t_alert_info ai
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JOIN t_device_info di ON ai.device_sn = di.serial_number
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SET ai.user_id = di.user_id,
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ai.org_id = di.org_id
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WHERE ai.org_id IS NULL OR ai.user_id IS NULL;
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-- 4. 对于没有在t_device_info中找到的设备，尝试通过sys_user表的device_sn字段匹配
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UPDATE t_alert_info ai
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JOIN sys_user su ON ai.device_sn = su.device_sn
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JOIN sys_user_org suo ON su.id = suo.user_id
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SET ai.user_id = su.id,
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ai.org_id = suo.org_id
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WHERE ai.org_id IS NULL OR ai.user_id IS NULL;
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-- 5. 验证更新结果的查询语句
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SELECT
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COUNT(*) as total_alerts,
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COUNT(org_id) as alerts_with_org_id,
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COUNT(user_id) as alerts_with_user_id,
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COUNT(*) - COUNT(org_id) as alerts_missing_org_id,
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COUNT(*) - COUNT(user_id) as alerts_missing_user_id
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FROM t_alert_info;
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-- 6. 查看未匹配的设备（可选，用于排查问题）
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SELECT DISTINCT ai.device_sn, COUNT(*) as alert_count
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FROM t_alert_info ai
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WHERE ai.org_id IS NULL OR ai.user_id IS NULL
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GROUP BY ai.device_sn
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ORDER BY alert_count DESC
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LIMIT 20;
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-- 7. 回滚脚本（如需要）
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-- ALTER TABLE t_alert_info DROP COLUMN org_id;
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-- ALTER TABLE t_alert_info DROP COLUMN user_id;
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-- DROP INDEX idx_alert_info_org_id;
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-- DROP INDEX idx_alert_info_user_id;
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-- DROP INDEX idx_alert_info_device_sn;
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-- DROP INDEX idx_alert_info_org_device; |