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/PostgreSQL/381.0_tri_Shop_Supplier.sql

@@ -0,0 +1,83 @@
+
+-- Shop Supplier
+
+CREATE OR REPLACE FUNCTION before_insert_Shop_Supplier()
+RETURNS TRIGGER AS $$
+BEGIN
+	IF NEW.created_on IS NULL THEN
+		NEW.created_on = CURRENT_TIMESTAMP;
+	END IF;
+    IF NEW.created_by IS NULL THEN
+		NEW.created_by = CURRENT_USER;
+	END IF;
+
+	RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE TRIGGER tri_before_insert_Shop_Supplier
+BEFORE INSERT ON Shop_Supplier
+FOR EACH ROW
+EXECUTE FUNCTION before_insert_Shop_Supplier();
+
+
+CREATE OR REPLACE FUNCTION before_update_Shop_Supplier()
+RETURNS TRIGGER AS $$
+BEGIN
+	IF OLD.id_change_set IS NOT DISTINCT FROM NEW.id_change_set THEN
+		RAISE EXCEPTION 'New change Set ID must be provided.'
+			USING ERRCODE = '45000';
+    END IF;
+    
+    INSERT INTO Shop_Supplier_Audit (
+		id_supplier,
+        name_field,
+        value_prev,
+        value_new,
+        id_change_set
+    )
+	-- Changed name_company
+	SELECT NEW.id_supplier, 'name_company', OLD.name_company, NEW.name_company, NEW.id_change_set
+		WHERE NOT OLD.name_company <=> NEW.name_company
+    UNION
+	-- Changed name_contact
+	SELECT NEW.id_supplier, 'name_contact', OLD.name_contact, NEW.name_contact, NEW.id_change_set
+		WHERE NOT OLD.name_contact <=> NEW.name_contact
+    UNION
+	-- Changed department_contact
+	SELECT NEW.id_supplier, 'department_contact', OLD.department_contact, NEW.department_contact, NEW.id_change_set
+		WHERE NOT OLD.department_contact <=> NEW.department_contact
+    UNION
+	-- Changed id_address
+	SELECT NEW.id_supplier, 'id_address', OLD.id_address, NEW.id_address, NEW.id_change_set
+		WHERE NOT OLD.id_address <=> NEW.id_address
+    UNION
+	-- Changed phone_number
+	SELECT NEW.id_supplier, 'phone_number', OLD.phone_number, NEW.phone_number, NEW.id_change_set
+		WHERE NOT OLD.phone_number <=> NEW.phone_number
+    UNION
+	-- Changed fax
+	SELECT NEW.id_supplier, 'fax', OLD.fax, NEW.fax, NEW.id_change_set
+		WHERE NOT OLD.fax <=> NEW.fax
+    UNION
+	-- Changed email
+	SELECT NEW.id_supplier, 'email', OLD.email, NEW.email, NEW.id_change_set
+		WHERE NOT OLD.email <=> NEW.email
+    UNION
+	-- Changed website
+	SELECT NEW.id_supplier, 'website', OLD.website, NEW.website, NEW.id_change_set
+		WHERE NOT OLD.website <=> NEW.website
+    UNION
+	-- Changed id_currency
+	SELECT NEW.id_supplier, 'id_currency', OLD.id_currency, NEW.id_currency, NEW.id_change_set
+		WHERE NOT OLD.id_currency <=> NEW.id_currency
+    ;
+
+	RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE TRIGGER tri_before_update_Shop_Supplier
+BEFORE UPDATE ON Shop_Supplier
+FOR EACH ROW
+EXECUTE FUNCTION before_update_Shop_Supplier();