13 lines
573 B
SQL
13 lines
573 B
SQL
-- 回滚：恢复 Carrier 表的 channel_name、channel_code 字段
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-- 添加 channel_name 字段
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ALTER TABLE tb_carrier ADD COLUMN channel_name VARCHAR(100);
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COMMENT ON COLUMN tb_carrier.channel_name IS '渠道名称';
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-- 添加 channel_code 字段
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ALTER TABLE tb_carrier ADD COLUMN channel_code VARCHAR(50);
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COMMENT ON COLUMN tb_carrier.channel_code IS '渠道编码';
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-- 重建联合唯一索引（carrier_type + channel_code，排除已删除记录）
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CREATE UNIQUE INDEX idx_carrier_type_channel ON tb_carrier(carrier_type, channel_code) WHERE deleted_at IS NULL;
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