13 lines
836 B
SQL
13 lines
836 B
SQL
-- 在钱包业务库执行；尚未建表时，先执行 20261109_add_mch_scene.sql。
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-- 酒店抽成按每单完成的酒店订单配置固定金额，单位元，保留两位小数。
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-- 旧配置默认获得 0.00 元；重复执行会跳过已有字段。
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SET @mch_scene_amount_ddl = IF(
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(SELECT COUNT(*) FROM information_schema.columns
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WHERE table_schema = DATABASE() AND table_name = 'mch_scene'
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AND column_name = 'commission_amount') = 0,
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'ALTER TABLE `mch_scene` ADD COLUMN `commission_amount` DECIMAL(10,2) NOT NULL DEFAULT 0.00 COMMENT ''每单完成酒店订单的固定抽成金额，单位元'' AFTER `enabled`',
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'SELECT ''commission_amount 已存在'' AS message');
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PREPARE mch_scene_amount_stmt FROM @mch_scene_amount_ddl;
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EXECUTE mch_scene_amount_stmt;
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DEALLOCATE PREPARE mch_scene_amount_stmt;
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