1. PostgreSQL copy of all MySQL created and tested.\n 2. Purchase Orders and Sales Orders and stock level management added to MySQL, PostgreSQL, and server and front end code.

static/MySQL/130.4_tbl_Shop_Discount.sql

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+
+# Discounts
+
+USE PARTSLTD_PROD;
+
+SELECT CONCAT('WARNING: Table ', TABLE_NAME, ' already exists.') AS msg_warning FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'Shop_Discount';
+
+CREATE TABLE Shop_Discount (
+	id_discount INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
+    code VARCHAR(50) NOT NULL,
+    name VARCHAR(200) NOT NULL,
+	id_product INT NOT NULL,
+	CONSTRAINT FK_Shop_Discount_id_product
+		FOREIGN KEY (id_product) 
+		REFERENCES Shop_Product(id_product),
+    id_permutation INT,
+    CONSTRAINT FK_Shop_Discount_id_permutation
+		FOREIGN KEY (id_permutation)
+        REFERENCES Shop_Product_Permutation(id_permutation)
+        ON UPDATE RESTRICT,
+	/*
+     id_delivery_region INT,
+    CONSTRAINT FK_Shop_Discount_id_delivery_region
+		FOREIGN KEY (id_delivery_region)
+        REFERENCES Shop_Delivery_Region(id_region)
+        ON UPDATE RESTRICT,
+    id_currency INT,
+    CONSTRAINT FK_Shop_Discount_id_currency
+		FOREIGN KEY (id_currency)
+        REFERENCES Shop_Currency(id_currency)
+        ON UPDATE RESTRICT,
+	*/
+	multiplier FLOAT NOT NULL DEFAULT 1 CHECK (multiplier > 0),
+    subtractor FLOAT NOT NULL DEFAULT 0,
+    apply_multiplier_first BIT DEFAULT 1,
+	quantity_min FLOAT NOT NULL DEFAULT 0,
+    quantity_max FLOAT NOT NULL,
+    date_start DATETIME NOT NULL,
+    date_end DATETIME NOT NULL,
+	active BIT NOT NULL DEFAULT 1,
+    display_order INT NOT NULL,
+	created_on DATETIME,
+	created_by VARCHAR(100),
+	id_change_set INT,
+	CONSTRAINT FK_Shop_Discount_id_change_set
+		FOREIGN KEY (id_change_set) 
+		REFERENCES Shop_Product_Change_Set(id_change_set)
+);