WooCommerce HPOS compatibility

HPOS is the default order storage for new WooCommerce installs. An order ID is a WooCommerce entity ID, not a promise that a matching shop_order post or postmeta row exists.

Storage model

HPOS uses four primary tables:

wp_wc_orders
wp_wc_order_addresses
wp_wc_order_operational_data
wp_wc_orders_meta

Compatibility/synchronization mode can maintain data in both HPOS and legacy posts, and placeholder posts may exist. Neither is permission to read or write both stores directly. WooCommerce CRUD owns the authoritative store and synchronization.

Declare compatibility