50 lines
1.6 KiB
MySQL
50 lines
1.6 KiB
MySQL
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USE zhibo;
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-- 1. 查看当前有哪些主播
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SELECT uid, nickname, phone, is_streamer
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FROM eb_user
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WHERE is_streamer = 1
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ORDER BY uid
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LIMIT 10;
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-- 2. 查看有多少直播间的uid为空或无效
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SELECT
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COUNT(*) as total_rooms,
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SUM(CASE WHEN uid IS NULL OR uid = 0 THEN 1 ELSE 0 END) as invalid_uid_count,
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SUM(CASE WHEN uid IS NOT NULL AND uid > 0 THEN 1 ELSE 0 END) as valid_uid_count
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FROM eb_live_room;
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-- 3. 查看uid无效的直播间
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SELECT id, uid, title, streamer_name, stream_key
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FROM eb_live_room
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WHERE uid IS NULL OR uid = 0 OR uid NOT IN (SELECT uid FROM eb_user)
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LIMIT 10;
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-- 4. 选择一个默认主播（选择第一个认证主播，或者指定某个uid）
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-- 假设选择 uid=318 作为默认主播（根据之前的数据，这个用户有很多关注记录）
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SET @default_streamer_id = 318;
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-- 验证这个主播是否存在
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SELECT uid, nickname, phone, is_streamer
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FROM eb_user
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WHERE uid = @default_streamer_id;
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-- 5. 将所有uid无效的直播间分配给默认主播
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UPDATE eb_live_room
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SET uid = @default_streamer_id,
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streamer_name = (SELECT nickname FROM eb_user WHERE uid = @default_streamer_id)
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WHERE uid IS NULL OR uid = 0 OR uid NOT IN (SELECT uid FROM eb_user);
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-- 6. 验证修复结果
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SELECT
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COUNT(*) as total_rooms,
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SUM(CASE WHEN uid IS NULL OR uid = 0 THEN 1 ELSE 0 END) as invalid_uid_count,
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SUM(CASE WHEN uid IS NOT NULL AND uid > 0 THEN 1 ELSE 0 END) as valid_uid_count
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FROM eb_live_room;
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-- 7. 查看修复后的直播间
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SELECT id, uid, title, streamer_name, is_live
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FROM eb_live_room
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ORDER BY id DESC
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LIMIT 10;
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