78 lines
3.0 KiB
SQL
78 lines
3.0 KiB
SQL
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-- 采购付款分离改造：数据库迁移脚本
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-- 创建时间：2026-03-25
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-- ============================================
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-- 表1：采购申请表 (purchase_requests)
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-- ============================================
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CREATE TABLE IF NOT EXISTS purchase_requests (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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request_code TEXT UNIQUE NOT NULL,
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project_id INTEGER NOT NULL,
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applicant TEXT NOT NULL,
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request_date DATE NOT NULL,
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supplier_id INTEGER,
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supplier_name TEXT,
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expense_category TEXT NOT NULL,
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total_amount REAL NOT NULL DEFAULT 0,
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currency TEXT DEFAULT 'CNY',
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status TEXT DEFAULT 'pending',
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remark TEXT,
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attachments TEXT,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (project_id) REFERENCES projects(id),
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FOREIGN KEY (supplier_id) REFERENCES suppliers(id)
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);
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-- ============================================
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-- 表2：采购明细表 (purchase_request_items)
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-- ============================================
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CREATE TABLE IF NOT EXISTS purchase_request_items (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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purchase_request_id INTEGER NOT NULL,
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product_id INTEGER,
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product_name TEXT NOT NULL,
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specification TEXT,
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unit TEXT,
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quantity REAL NOT NULL DEFAULT 0,
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unit_price REAL NOT NULL DEFAULT 0,
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total_price REAL NOT NULL DEFAULT 0,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (purchase_request_id) REFERENCES purchase_requests(id) ON DELETE CASCADE,
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FOREIGN KEY (product_id) REFERENCES products(id)
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);
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-- ============================================
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-- 表3：库存记录表 (inventory_records)
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-- ============================================
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CREATE TABLE IF NOT EXISTS inventory_records (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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record_type TEXT NOT NULL,
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project_id INTEGER,
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purchase_request_id INTEGER,
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product_id INTEGER NOT NULL,
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quantity REAL NOT NULL DEFAULT 0,
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unit_price REAL,
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total_amount REAL,
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record_date DATE NOT NULL,
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operator TEXT,
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remark TEXT,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (project_id) REFERENCES projects(id),
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FOREIGN KEY (purchase_request_id) REFERENCES purchase_requests(id),
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FOREIGN KEY (product_id) REFERENCES products(id)
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);
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-- ============================================
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-- 修改：为付款申请表添加采购单关联字段
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-- ============================================
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ALTER TABLE payment_requests ADD COLUMN purchase_request_id INTEGER;
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ALTER TABLE payment_requests ADD COLUMN payment_type TEXT DEFAULT 'company';
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-- 创建索引
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CREATE INDEX IF NOT EXISTS idx_purchase_requests_project ON purchase_requests(project_id);
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CREATE INDEX IF NOT EXISTS idx_purchase_requests_status ON purchase_requests(status);
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CREATE INDEX IF NOT EXISTS idx_purchase_request_items_request ON purchase_request_items(purchase_request_id);
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CREATE INDEX IF NOT EXISTS idx_inventory_records_product ON inventory_records(product_id);
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CREATE INDEX IF NOT EXISTS idx_inventory_records_project ON inventory_records(project_id);
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