Those are not Core entries so far as I know. That means that a plugin or a theme has inserted them. Since I don’t know which plugin or theme it is, or whether you are still using that plugin/theme, I can’t say whether you should delete the entries. If you are still using the plugin … Read more
SQL query to remove first image in all posts
You have a structural problem with your data. Serialized data in the database is terrible if you need to search over pieces of that serialized data. There is no reliable, efficient, and certainly no easy, SQL query to search over serialized data. “serialization” is a PHP mechanism. It isn’t SQL. To the database that is … Read more
Splash pages on a high traffic site
If you take a look at get_terms() documentation it accepts search argument, which will perform LIKE match against term name and slug.
The reverse mechanism should work. I assume you are trying the get post metadata with the post row. $resultat = mysqli_query($con,”SELECT * FROM wp_postmeta LEFT JOIN wp_post ON wp_postmeta.post_id = wp_post.ID WHERE wp_post.post_type=”shop_order””); However, there will be a lots of duplication. If one post have 100 metadata, you are also getting the post row 100 … Read more
Get a list of the last posts grouped by author and filtered by category
What host service are you using? I had the same issue using Dreamhost, where you can adjust the memory limit for the server you are using on the hosts panel. Doing this solved the issue for us. Also, a possible issue could be your SQL server, switching to another SQL server may resolve your issue. … Read more
How to connect database table to each registered wordpress user.
You have to use JOIN for that. Try it like this: $wpdb->get_results(“SELECT tags.*, $wpdb->posts.*, $wpdb->postmeta.* FROM tags INNER JOIN $wpdb->posts ON tags.charity_id = $wpdb->posts.ID INNER JOIN $wpdb->postmeta ON tags.charity_id = $wpdb->postmeta.post_id WHERE tags.charity_id = $charity_id” );