#afh_sources
select 
`s`.`source_id` AS `source_id`,`s`.`status` AS `status`,`s`.`import` AS `import`,`s`.`source_campaign` AS `source_campaign`,`s`.`source_slug` AS `source_slug`,
`s`.`source_cart_freeshipping` AS `source_cart_freeshipping`,`s`.`source_commission` AS `source_commission`,
max(if((`sd`.`key` = 'minauthonline'),`sd`.`value`,NULL)) AS `data_minauthonline`
from `sources` `s` 
left join `rel_site_source` `r` on(`r`.`source_id` = `s`.`source_id`)
left join `sources_data` `sd` on(`sd`.`source_id` = `s`.`source_id`)
where (`r`.`site_id` = 2) 
group by `s`.`source_id`

#afh_sources_data
SELECT `sd`.*
FROM `sources` `s` 
LEFT JOIN `rel_site_source` `r` ON(`r`.`source_id` = `s`.`source_id`)
LEFT JOIN `sources_data` `sd` ON(`sd`.`source_id` = `s`.`source_id`)
WHERE (`r`.`site_id` = 2) AND `sd`.`source_id` IS NOT NULL
ORDER BY `sd`.`source_id` ASC