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/301.2_tri_Shop_Access_Level.sql

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+
+-- Shop Access Level
+
+CREATE OR REPLACE FUNCTION before_insert_Shop_Access_Level()
+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_Access_Level
+BEFORE INSERT ON Shop_Access_Level
+FOR EACH ROW
+EXECUTE FUNCTION before_insert_Shop_Access_Level();
+
+
+CREATE OR REPLACE FUNCTION before_update_Shop_Access_Level()
+RETURNS TRIGGER AS $$
+BEGIN
+	IF OLD.id_change_set IS NOT DISTINCT FROM NEW.id_change_set THEN
+		RAISE EXCEPTION 'New change Set ID must be provided.'
+			USING ERRCODE = '45000';
+    END IF;
+    
+    INSERT INTO Shop_Access_Level_Audit (
+		id_access_level,
+        name_field,
+        value_prev,
+        value_new,
+        id_change_set
+    )
+    -- Changed code
+	SELECT NEW.id_access_level, 'code', OLD.code, NEW.code, NEW.id_change_set
+		WHERE NOT (OLD.code <=> NEW.code)
+    UNION
+    -- Changed name
+	SELECT NEW.id_access_level, 'name', OLD.name, NEW.name, NEW.id_change_set
+		WHERE NOT (OLD.name <=> NEW.name)
+    UNION
+    -- Changed priority
+	SELECT NEW.id_access_level, 'priority', CONVERT(OLD.priority, CHAR), CONVERT(NEW.priority, CHAR), NEW.id_change_set
+		WHERE NOT (OLD.priority <=> NEW.priority)
+	UNION
+	-- Changed active
+	SELECT NEW.id_access_level, 'active', CONVERT(CONVERT(OLD.active, SIGNED), CHAR), CONVERT(CONVERT(NEW.active, SIGNED), CHAR), NEW.id_change_set
+		WHERE NOT (OLD.active <=> NEW.active)
+    UNION
+    -- Changed display_order
+	SELECT NEW.id_access_level, 'display_order', CONVERT(OLD.display_order, CHAR), CONVERT(NEW.display_order, CHAR), NEW.id_change_set
+		WHERE NOT OLD.display_order <=> NEW.display_order
+	;
+	
+	RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE TRIGGER tri_before_update_Shop_Access_Level
+BEFORE UPDATE ON Shop_Access_Level
+FOR EACH ROW
+EXECUTE FUNCTION before_update_Shop_Access_Level();