SELECT
wp_42_posts.*
FROM
wp_42_posts
INNER JOIN
wp_42_postmeta ON (wp_42_posts.ID = wp_42_postmeta.post_id)
WHERE
wp_42_posts.post_type = 'attachment'
AND
((wp_42_posts.post_status = 'inherit'))
AND
((wp_42_postmeta.meta_key = '_wp_attachment_is_custom_header' AND CAST(wp_42_postmeta.meta_value AS CHAR) = 'infax_2016_bootstrap'))
GROUP BY
wp_42_posts.ID
Array
(
)
#######