34 lines
957 B
SQL
34 lines
957 B
SQL
USE zhibo;
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-- 1. 检查表是否存在
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SELECT 'eb_follow_record表存在' as status;
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-- 2. 查看表结构中的所有字段
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SELECT COLUMN_NAME, COLUMN_TYPE, IS_NULLABLE, COLUMN_DEFAULT
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_SCHEMA = 'zhibo'
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AND TABLE_NAME = 'eb_follow_record'
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ORDER BY ORDINAL_POSITION;
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-- 3. 查看总记录数
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SELECT COUNT(*) as total_records FROM eb_follow_record;
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-- 4. 查看最新的记录
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SELECT * FROM eb_follow_record ORDER BY id DESC LIMIT 3;
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-- 5. 检查唯一键约束
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SELECT CONSTRAINT_NAME, COLUMN_NAME
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FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE
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WHERE TABLE_SCHEMA = 'zhibo'
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AND TABLE_NAME = 'eb_follow_record'
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AND CONSTRAINT_NAME LIKE '%unique%' OR CONSTRAINT_NAME LIKE '%uk%';
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-- 6. 查看当前登录的用户（假设是120）
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SELECT uid, nickname, phone FROM eb_user WHERE uid = 120;
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-- 7. 查看可关注的主播
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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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LIMIT 5;
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