Mysql SELECT posts

I resolved creating SQL query:

SELECT posts.post_title, posts.post_content, trans.element_type,
trans.language_code
FROM wp_posts AS posts

INNER JOIN wp_icl_translations AS trans
ON posts.ID = trans.element_id

INNER JOIN wp_postmeta AS meta
ON posts.ID = meta.post_id

WHERE trans.element_type="post_product"
AND trans.language_code="de"

This is added only if you need something on post_meta:

...
INNER JOIN wp_postmeta AS meta
ON posts.ID = meta.post_id
...

It was my solutions to get all post by language trans.language_code="de", trans.language_code="es", trans.language_code="en"