FAQ

You will find a lot of useful information in the documentation.

Additionally, all raised issues that were questions have been marked as question, so you could take a look at the closed (question) issues.

Questions and answers

Question

• Is it possible to search sub string in word?
• How to implement partial/fuzzy search?

Answer

Yes. There are many ways doing this in Elasticsearch.

To mention a couple:

• You could use partial matching using NGrams. Partially shown here. The basic idea.
• Use contains functional filter.

Question

Can we use Django REST Framework serializers.ModelSerializer directly?

Answer

No, but you could use serializers.Serializer. Read the docs.

Question

How can I order search results overall relevance

Answer

That’s _score. See the following example.

ordering = ('_score', 'id', 'title', 'price',)

In the given example, results are sorted by the score (which is relevance), then by id, title and price.

Question

How can I separate my development/production/acceptance/test indexes?

Answer

It’s documented here.

Question

How can I sync my database with Elasticsearch indexes.

Answer

It’s documented here.