SELECT
wp_81_posts.*
FROM
wp_81_posts
INNER JOIN
wp_81_postmeta ON (wp_81_posts.ID = wp_81_postmeta.post_id)
WHERE
wp_81_posts.post_type = 'attachment'
AND
((wp_81_posts.post_status = 'inherit'))
AND
((wp_81_postmeta.meta_key = '_wp_attachment_is_custom_header' AND CAST(wp_81_postmeta.meta_value AS CHAR) = 'infax_2016_bootstrap'))
GROUP BY
wp_81_posts.ID
Array
(
)
#######