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/330_tri_Shop_Discount.sql

@@ -0,0 +1,83 @@
+
+# Shop Discount
+
+USE PARTSLTD_PROD;
+
+DROP TRIGGER IF EXISTS before_insert_Shop_Discount;
+DROP TRIGGER IF EXISTS before_update_Shop_Discount;
+
+
+DELIMITER //
+CREATE TRIGGER before_insert_Shop_Discount
+BEFORE INSERT ON Shop_Discount
+FOR EACH ROW
+BEGIN
+	SET NEW.created_on = NOW();
+    SET NEW.created_by = CURRENT_USER();
+END //
+DELIMITER ;
+
+DELIMITER //
+CREATE TRIGGER before_update_Shop_Discount
+BEFORE UPDATE ON Shop_Discount
+FOR EACH ROW
+BEGIN
+	IF OLD.id_change_set <=> NEW.id_change_set THEN
+		SIGNAL SQLSTATE '45000'
+        SET MESSAGE_TEXT = 'New change Set ID must be provided.';
+    END IF;
+    
+    INSERT INTO Shop_Discount_Audit (
+		id_discount,
+        name_field,
+        value_prev,
+        value_new,
+        id_change_set
+    )
+    # Changed code
+	SELECT NEW.id_discount, 'code', OLD.code, NEW.code, NEW.id_change_set
+		WHERE NOT OLD.code <=> NEW.code
+    UNION
+    # Changed name
+	SELECT NEW.id_discount, 'name', OLD.name, NEW.name, NEW.id_change_set
+		WHERE NOT OLD.name <=> NEW.name
+    UNION
+    # Changed multiplier
+	SELECT NEW.id_discount, 'multiplier', OLD.multiplier, NEW.multiplier, NEW.id_change_set
+		WHERE NOT OLD.multiplier <=> NEW.multiplier
+    UNION
+    # Changed subtractor
+	SELECT NEW.id_discount, 'subtractor', OLD.subtractor, NEW.subtractor, NEW.id_change_set
+		WHERE NOT OLD.subtractor <=> NEW.subtractor
+    UNION
+    # Changed apply_multiplier_first
+	SELECT NEW.id_discount, 'apply_multiplier_first', CONVERT(CONVERT(OLD.apply_multiplier_first, SIGNED), CHAR), CONVERT(CONVERT(NEW.apply_multiplier_first, SIGNED), CHAR), NEW.id_change_set
+		WHERE NOT OLD.apply_multiplier_first <=> NEW.apply_multiplier_first
+    UNION
+    # Changed quantity_min
+	SELECT NEW.id_discount, 'quantity_min', OLD.quantity_min, NEW.quantity_min, NEW.id_change_set
+		WHERE NOT OLD.quantity_min <=> NEW.quantity_min
+    UNION
+    # Changed quantity_max
+	SELECT NEW.id_discount, 'quantity_max', OLD.quantity_max, NEW.quantity_max, NEW.id_change_set
+		WHERE NOT OLD.quantity_max <=> NEW.quantity_max
+    UNION
+    # Changed date_start
+	SELECT NEW.id_discount, 'date_start', OLD.date_start, NEW.date_start, NEW.id_change_set
+		WHERE NOT OLD.date_start <=> NEW.date_start
+    UNION
+    # Changed date_end
+	SELECT NEW.id_discount, 'date_end', OLD.date_end, NEW.date_end, NEW.id_change_set
+		WHERE NOT OLD.date_end <=> NEW.date_end
+    UNION
+    # Changed display_order
+	SELECT NEW.id_discount, 'display_order', CONVERT(OLD.display_order, CHAR), CONVERT(NEW.display_order, CHAR), NEW.id_change_set
+		WHERE NOT OLD.display_order <=> NEW.display_order
+    UNION
+    # Changed active
+	SELECT NEW.id_discount, 'active', CONVERT(CONVERT(OLD.active, SIGNED), CHAR), CONVERT(CONVERT(NEW.active, SIGNED), CHAR), NEW.id_change_set
+		WHERE NOT OLD.active <=> NEW.active
+    ;
+END //
+DELIMITER ;
+