Implement refund system for sales

2026-02-28 19:28:25 -07:00
parent e2973729b4
commit cbed5e4e0c
9 changed files with 841 additions and 4 deletions
--- a/Petstoredata.sql
+++ b/Petstoredata.sql
@@ -132,8 +132,11 @@ CREATE TABLE sale (
    paymentMethod VARCHAR(50) NOT NULL,
    employeeId INT NOT NULL,
    storeId INT NOT NULL,
+    isRefund BOOLEAN DEFAULT FALSE NOT NULL,
+    originalSaleId INT NULL,
    FOREIGN KEY (employeeId) REFERENCES employee(employeeId),
-    FOREIGN KEY (storeId) REFERENCES storeLocation(storeId)
+    FOREIGN KEY (storeId) REFERENCES storeLocation(storeId),
+    FOREIGN KEY (originalSaleId) REFERENCES sale(saleId)
 );

 CREATE TABLE saleItem (