This example shows last 5 messages from the test forum. It combines the Post table and the asset table.

The query looks like:

SELECT
  content
FROM
  Post,
  asset
WHERE
  asset.assetId=Post.assetId
AND
  parentId = 'ey3i8YeXX7KFpVb7-VvkAQ'
AND
  Post.revisionDate = 
    (SELECT 
      MAX(maxPostData.revisionDate) 
     FROM Post as maxPostData 
     WHERE Post.assetId=maxPostData.assetId) 
ORDER BY
  lineage 
LIMIT 5

content

This is a first message in a forum.

This is the second main message in the test forum.