Elasticsearch 1.3.0 introduced the addition of IDs to the More Like This query. This allows much more flexibility than the API endpoint as changes in 1.3.0 allow the query to behave much the same as the API endpoint if we want to use it that way.
Coverage decreased (-1.35%) when pulling dbcbb057f0250303bbc007013638f65c42baeccb on convert-mlt-to-query into a2bb1749c681d83f01dae85e95dfe9595159cb2e on 7.x-1.x.
Elasticsearch 1.3.0 introduced the addition of IDs to the More Like This query. This allows much more flexibility than the API endpoint as changes in 1.3.0 allow the query to behave much the same as the API endpoint if we want to use it that way.