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/320_tri_Shop_Image.sql

@@ -0,0 +1,71 @@
+
+# Shop Image
+
+USE PARTSLTD_PROD;
+
+DROP TRIGGER IF EXISTS before_insert_Shop_Image;
+DROP TRIGGER IF EXISTS before_update_Shop_Image;
+
+
+DELIMITER //
+CREATE TRIGGER before_insert_Shop_Image
+BEFORE INSERT ON Shop_Image
+FOR EACH ROW
+BEGIN
+	SET NEW.created_on = NOW();
+    SET NEW.created_by = CURRENT_USER();
+END //
+DELIMITER ;
+
+
+DELIMITER //
+CREATE TRIGGER before_update_Shop_Image
+BEFORE UPDATE ON Shop_Image
+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;
+    IF ISNULL(NEW.id_product) AND ISNULL(NEW.id_permutation) THEN
+		SIGNAL SQLSTATE '45000'
+        SET MESSAGE_TEXT = 'Image must NOT have ID for product AND product permutation.';
+    END IF;
+    
+    INSERT INTO Shop_Image_Audit (
+		id_image,
+        name_field,
+        value_prev,
+        value_new,
+        id_change_set
+    )
+    # Changed id_type_image
+	SELECT NEW.id_image, 'id_type_image', CONVERT(OLD.id_type_image, CHAR), CONVERT(NEW.id_type_image, CHAR), NEW.id_change_set
+		WHERE NOT OLD.id_type_image <=> NEW.id_type_image
+    UNION
+    # Changed id_type_file
+	SELECT NEW.id_image, 'id_type_file', CONVERT(OLD.id_type_file, CHAR), CONVERT(NEW.id_type_file, CHAR), NEW.id_change_set
+		WHERE NOT OLD.id_type_file <=> NEW.id_type_file
+    UNION
+    # Changed id_product
+	SELECT NEW.id_image, 'id_product', CONVERT(OLD.id_product, CHAR), CONVERT(NEW.id_product, CHAR), NEW.id_change_set
+		WHERE NOT OLD.id_product <=> NEW.id_product
+    UNION
+    # Changed id_permutation
+	SELECT NEW.id_image, 'id_permutation', CONVERT(OLD.id_permutation, CHAR), CONVERT(NEW.id_permutation, CHAR), NEW.id_change_set
+		WHERE NOT OLD.id_permutation <=> NEW.id_permutation
+    UNION
+    # Changed url
+	SELECT NEW.id_image, 'url', OLD.url, NEW.url, NEW.id_change_set
+		WHERE NOT OLD.url <=> NEW.url
+	UNION
+	# Changed active
+	SELECT NEW.id_image, '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_image, 'display_order', CONVERT(OLD.display_order, CHAR), CONVERT(NEW.display_order, CHAR), NEW.id_change_set
+		WHERE NOT (OLD.display_order <=> NEW.display_order)
+	;
+END //
+DELIMITER ;