48 lines
2.0 KiB
SQL
48 lines
2.0 KiB
SQL
-- 创建公司合作关系表
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-- 记录采购商与工厂之间的合作关系
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CREATE TABLE company_relationships (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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purchaser_company_id UUID NOT NULL REFERENCES companies(id),
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factory_company_id UUID NOT NULL REFERENCES companies(id),
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factory_type factory_type NOT NULL,
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status TEXT NOT NULL DEFAULT 'active', -- active, inactive
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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UNIQUE(purchaser_company_id, factory_company_id)
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);
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-- 添加注释
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COMMENT ON TABLE company_relationships IS '公司合作关系表，记录采购商与工厂的合作关系';
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COMMENT ON COLUMN company_relationships.purchaser_company_id IS '采购商公司ID';
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COMMENT ON COLUMN company_relationships.factory_company_id IS '工厂公司ID';
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COMMENT ON COLUMN company_relationships.status IS '关系状态：active-合作中，inactive-已解除';
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-- 创建索引
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CREATE INDEX idx_relationships_purchaser ON company_relationships(purchaser_company_id);
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CREATE INDEX idx_relationships_factory ON company_relationships(factory_company_id);
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CREATE INDEX idx_relationships_status ON company_relationships(status);
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-- 启用RLS
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ALTER TABLE company_relationships ENABLE ROW LEVEL SECURITY;
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-- 创建查询策略：双方公司成员可查看
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CREATE POLICY company_select_relationships ON company_relationships
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FOR SELECT USING (
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purchaser_company_id = get_user_master_company_id()
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OR factory_company_id = get_user_master_company_id()
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);
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-- 创建插入策略：仅采购商可创建关系
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CREATE POLICY company_insert_relationships ON company_relationships
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FOR INSERT WITH CHECK (
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purchaser_company_id = get_user_master_company_id()
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);
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-- 创建更新策略：双方公司可更新
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CREATE POLICY company_update_relationships ON company_relationships
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FOR UPDATE USING (
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purchaser_company_id = get_user_master_company_id()
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OR factory_company_id = get_user_master_company_id()
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);
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