karussell/elasticsearch-reindex — pull request #19 by djanssen (2014-03-26 17:20:39+00:00)
Title: Re-index child documents using _parent field

The parent field mapping is defined on a child mapping, and points to
the parent type this child relates to.
In case on child type re-indexation, we should explicitly request for it
within fields parameters, then provide
the value for indexing.