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/310.0_tri_Shop_Region.sql

@@ -0,0 +1,59 @@
+
+-- Shop Delivery Region
+
+CREATE OR REPLACE FUNCTION before_insert_Shop_Region()
+RETURNS TRIGGER AS $$
+BEGIN
+	NEW.created_on = CURRENT_TIMESTAMP;
+    NEW.created_by = CURRENT_USER;
+
+	RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE TRIGGER tri_before_insert_Shop_Region
+BEFORE INSERT ON Shop_Region
+FOR EACH ROW
+EXECUTE FUNCTION before_insert_Shop_Region();
+
+
+CREATE OR REPLACE FUNCTION before_update_Shop_Region()
+RETURNS TRIGGER AS $$
+BEGIN
+	IF OLD.id_change_set IS NOT DISTINCT FROM NEW.id_change_set THEN
+		RAISE EXCEPTION 'New change Set ID must be provided.'
+			USING ERRCODE = '45000';
+    END IF;
+    
+    INSERT INTO Shop_Region_Audit (
+		id_region,
+        name_field,
+        value_prev,
+        value_new,
+        id_change_set
+    )
+    -- Changed code
+	SELECT NEW.id_region, 'code', OLD.code, NEW.code, NEW.id_change_set
+		WHERE NOT OLD.code <=> NEW.code
+    UNION
+    -- Changed name
+	SELECT NEW.id_region, 'name', OLD.name, NEW.name, NEW.id_change_set
+		WHERE NOT OLD.name <=> NEW.name
+    UNION
+    -- Changed active
+	SELECT NEW.id_region, 'active', CONVERT(OLD.active, CHAR), CONVERT(NEW.active, CHAR), NEW.id_change_set
+		WHERE NOT OLD.active <=> NEW.active
+    UNION
+    -- Changed display_order
+	SELECT NEW.id_region, 'display_order', CONVERT(OLD.display_order, CHAR), CONVERT(NEW.display_order, CHAR), NEW.id_change_set
+		WHERE NOT OLD.display_order <=> NEW.display_order
+    ;
+
+	RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE TRIGGER tri_before_update_Shop_Region
+BEFORE UPDATE ON Shop_Region
+FOR EACH ROW
+EXECUTE FUNCTION before_update_Shop_Region();