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Lack of composite indexes for meta tables (1 post)

  1. x128
    Member
    Posted 1 year ago #

    Why the wp_commentmeta table does not have a composite index (comment_id,meta_key) by default? I believe it's the only useful index for that table, am I wrong?

    Instead, it has two strange indexes: (comment_id) and (meta_key). I don't have an idea how to use them.

    The same thing about wp_postmeta.

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