How to optimize slow queries caused by filtering many meta_query custom fields in WordPress.

by Radley Sustaire | Jan 17, 2020 | MySQL, WordPress Development

If you are working with a custom post type that has many fields you might want to let users filter by those fields. This filtering can be very powerful. With the limitations of a MySQL and more specifically, WordPress’s metadata tables, filtering by custom...

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  • Google API's
  • MySQL
  • WordPress Development