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https://gitee.com/wanwujie/sub2api
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17 lines
868 B
MySQL
17 lines
868 B
MySQL
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-- Migration: 127_drop_channel_monitor_deleted_at
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-- 纠正 110 引入的 SoftDeleteMixin:日志/聚合表无恢复需求,软删会让行和索引只增不减,
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-- 徒增磁盘和查询开销。改回分批物理删(由 OpsCleanupService 每天凌晨统一调度,
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-- deleteOldRowsByID 模板,batch=5000)。
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--
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-- 110 尚未跑过聚合/清理(首次 maintenance 在次日 02:00),所以此处不担心业务数据。
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-- 直接 DROP 列 + 索引;对应的 Go 侧 ent schema 已移除 SoftDeleteMixin、repo 的
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-- raw SQL 已移除 deleted_at IS NULL 过滤。
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DROP INDEX IF EXISTS idx_channel_monitor_histories_deleted_at;
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ALTER TABLE channel_monitor_histories
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DROP COLUMN IF EXISTS deleted_at;
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DROP INDEX IF EXISTS idx_channel_monitor_daily_rollups_deleted_at;
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ALTER TABLE channel_monitor_daily_rollups
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DROP COLUMN IF EXISTS deleted_at;
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