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Hi
I’ve been running Better Search with Woocommerce and Woocommerce Search by SKU. All was working well for the past 4 or 5 months, but then last week we started to get MySQL processes hanging / getting stuck and then bringing the site down with the WP can’t connect to DB message.
After installing Query Monitor it seems that when a customer just hits return or types a v short query, this query runs;
SELECT SQL_CALC_FOUND_ROWS wp_posts.ID FROM db_posts INNER JOIN db_postmeta ON ( db_posts.ID = db_postmeta.post_id ) INNER JOIN db_postmeta AS mt1 ON ( db_posts.ID = mt1.post_id ) WHERE 1=1 AND db_posts.ID IN
(every,post,in,in,the,database) LIMIT 0, 48;
The “every,post,id,in,the,database” is literally every post ID from the DB which in this example creates a query approx 77k char long with 5156 post IDs.
When I disable Better Search, and repeat the empty or short searches, the query doesn’t appear.
