How to Avoid Excess Meta with WooCommerce Subscriptions

Orders in WooCommerce create a lot data in the postmeta table. There’s the standard WooCommerce fields (like _order_key, _cart_hash, _billing_first_name, etc.), but payment gateway plugins, marketing integrations, and other WooCommerce plugins also generate their own metadata. It’s not unusual to see more than 60 rows of metadata for each order.

I recommend the Post Meta Inspector to easily view all the metadata on any order or post. You may be surprised how much there is!

If you run subscriptions on your site and generate a lot of renewals, WooCommerce Subscriptions may be creating a lot of unneeded metadata due to how subscriptions and renewal orders are generated. This can cause your database to grow really quickly. Continue reading

Example Cart Restrictions in WooCommerce

I’ve been working with a “Trial Product” in a WooCommerce store which needs to be the only item in the cart during checkout due to shipping requirements (and because it doesn’t make sense to order a trial if you’re also going to order the actual product).

To make this clear to the customer, I’ve restricted what can be added to the cart in specific situations:

1) If the “Trial Product” is already in the cart, additional products should not be added. WooCommerce will instead display a notice asking the customer to remove the “Trial Product” from their cart if they wish to add different products.

2) If products are already in the cart, and the customer attempts to add the “Trial Product”, a notice will display asking the customer to remove the other items from their cart first. Continue reading