23 lines
398 B
MySQL
23 lines
398 B
MySQL
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-- 检查用户ID=1的头像数据
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SELECT
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id,
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nickname,
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avatar,
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CHAR_LENGTH(avatar) as avatar_length,
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LENGTH(avatar) as avatar_bytes,
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HEX(avatar) as avatar_hex
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FROM user
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WHERE id = 1;
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-- 检查最近上传的头像记录
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SELECT
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id,
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nickname,
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avatar,
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update_time
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FROM user
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WHERE avatar IS NOT NULL
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AND avatar != ''
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ORDER BY update_time DESC
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LIMIT 5;
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