DB数据库文件
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server/db/dice_player_dept_username_unique.sql
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10
server/db/dice_player_dept_username_unique.sql
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-- dice_player:同一渠道内用户名唯一(dept_id + username)— 数据库根本约束
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-- 执行前请备份;若存在重复数据需先清理后再执行
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-- 推荐:php db/run_dice_player_dept_username_unique.php
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-- 移除仅按 username 的普通索引(若不存在可忽略报错)
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-- ALTER TABLE `dice_player` DROP INDEX `idx_dice_player_username`;
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-- 同一渠道下用户名唯一(UNIQUE 为数据库层最终约束)
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ALTER TABLE `dice_player`
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ADD UNIQUE INDEX `uk_dice_player_dept_username` (`dept_id`, `username`);
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