Support » Plugin: JM Twitter Cards » get_keys() on large site is slow

  • Resolved breakoftheec

    (@breakoftheec)


    Hi, the function get_keys() on utilities has this query:

    SELECT DISTINCT meta_key from {$wpdb->postmeta}

    which is hitting the database pretty hard on a very large site with a huge database.

    # Query_time: 13.394848  Lock_time: 0.000044 Rows_sent: 1224  Rows_examined: 800512
    SET timestamp=1519137888;
    SELECT DISTINCT meta_key from wp_postmeta;

    Is there a fix for this? or a way to optimize the query?

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