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/310.4_tri_Shop_Currency.sql

@@ -0,0 +1,67 @@
+
+# Shop Currency
+
+USE PARTSLTD_PROD;
+
+DROP TRIGGER IF EXISTS before_insert_Shop_Currency;
+DROP TRIGGER IF EXISTS before_update_Shop_Currency;
+
+
+DELIMITER //
+CREATE TRIGGER before_insert_Shop_Currency
+BEFORE INSERT ON Shop_Currency
+FOR EACH ROW
+BEGIN
+	IF NEW.created_on <=> NULL THEN
+		SET NEW.created_on = NOW();
+	END IF;
+    IF NEW.created_by <=> NULL THEN
+		SET NEW.created_by = CURRENT_USER();
+	END IF;
+END //
+DELIMITER ;
+
+
+DELIMITER //
+CREATE TRIGGER before_update_Shop_Currency
+BEFORE UPDATE ON Shop_Currency
+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_Currency_Audit (
+		id_currency,
+        name_field,
+        value_prev,
+        value_new,
+        id_change_set
+    )
+    # Changed code
+	SELECT NEW.id_currency, 'code', OLD.code, NEW.code, NEW.id_change_set
+		WHERE NOT OLD.code <=> NEW.code
+	UNION
+    # Changed name
+	SELECT NEW.id_currency, 'name', OLD.name, NEW.name, NEW.id_change_set
+		WHERE NOT OLD.name <=> NEW.name
+	UNION
+    # Changed symbol
+	SELECT NEW.id_currency, 'symbol', OLD.symbol, NEW.symbol, NEW.id_change_set
+		WHERE NOT OLD.symbol <=> NEW.symbol
+	UNION
+    # Changed ratio_2_GBP
+	SELECT NEW.id_currency, 'factor_from_GBP', OLD.factor_from_GBP, NEW.factor_from_GBP, NEW.id_change_set
+		WHERE NOT OLD.factor_from_GBP <=> NEW.factor_from_GBP
+	UNION
+	# Changed active
+	SELECT NEW.id_currency, 'active', CONVERT(CONVERT(OLD.active, SIGNED), CHAR), CONVERT(CONVERT(NEW.active, SIGNED), CHAR), NEW.id_change_set
+		WHERE NOT (OLD.active <=> NEW.active)
+	UNION
+	# Changed display_order
+	SELECT NEW.id_currency, 'display_order', CONVERT(display_order, CHAR), CONVERT(display_order, CHAR), NEW.id_change_set
+		WHERE NOT (OLD.display_order <=> NEW.display_order)
+    ;
+END //
+DELIMITER ;