16 lines
533 B
SQL
16 lines
533 B
SQL
-- ============================================
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-- 此文件由 Meoo Cloud 自动生成，请勿修改
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-- This file is auto-generated by Meoo Cloud, DO NOT MODIFY
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-- ============================================
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-- 添加唯一约束：一个计划的同类型工厂只能关联一个
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-- 先删除可能存在的旧约束
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ALTER TABLE plan_factories DROP CONSTRAINT IF EXISTS unique_plan_factory_type;
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-- 添加新的唯一约束
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ALTER TABLE plan_factories
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ADD CONSTRAINT unique_plan_factory_type
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UNIQUE (plan_id, factory_type);
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