Fast Woo Order Lookup

WooCommerce’s Order and Subscription pages allow store owners to search for orders and subscriptions by customer name, email, and other attributes. By default, it does a general substring search. For example, if you put OllieJones into the search box, it will search with LIKE '%OllieJones%' using the leading wildcard %. That’s astonishingly slow on sites with many orders.

Upon activation this plugin uses ActionScheduler to run a background process to create a special-purpose index table, a table of trigrams, to speed up that search. Then it uses those trigrams to search for orders.

The downside: the trigram table takes database space and takes time to generate.

The orders page itself contains a slow query to look up meta_keys. This fixes that query’s performance too, usi…