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mitio / indexes_to_add.sql
Last active December 21, 2020 01:53
OpenCart SQL profiler and indexes for improved speed and page load time. Requires vqMod to be installed. Place it in <project-root>/vqmod/xml/ and that's it. Copy and paste the indexes once in PhpMyAdmin, in the database for your store.
-- Add these to speed up OpenCart
ALTER TABLE `oc_product` ADD INDEX(`date_available`, `status`);
ALTER TABLE `oc_product` ADD INDEX(`status`);
ALTER TABLE `oc_url_alias` ADD UNIQUE(`query`);
ALTER TABLE `oc_product_to_store` ADD INDEX(`store_id`);
ALTER TABLE `oc_category_path` ADD INDEX(`path_id`, `category_id`);
ALTER TABLE `oc_category_path` ADD INDEX(`category_id`, `path_id`);
ALTER TABLE `oc_product_description` ADD INDEX(`language_id`);
ALTER TABLE `oc_category` ADD INDEX (`parent_id`, `status`, `sort_order`);
ALTER TABLE `oc_category` ADD INDEX(`sort_order`);