Busca en la maestra de MPS (DB en vivo del WP): Todos los productos de Paris que tengan creado su 'SKU de Paris' y que tengan stock. Retorna:
SELECT key1.post_id AS mps_id_producto, key2.meta_value AS mps_sku_paris, key4.meta_value AS mps_sku_interno, key5.post_title AS mps_nombre_producto FROM wp_postmeta AS key1
INNER JOIN wp_postmeta AS key2
ON key1.post_id = key2.post_id
AND key2.meta_key = 'paris_sku'
AND key2.meta_value = ''
INNER JOIN wp_postmeta AS key4
ON key1.post_id = key4.post_id
AND key4.meta_key = '_sku'
INNER JOIN wp_posts AS key5
ON key1.post_id = key5.ID
WHERE key1.meta_key = '_input_paris'
AND key1.meta_value = 'yes';