How to create unique constraint in Elasticsearch database?

Question

I am using elasticsearch as a document database and each record I create has a guid id that the system uses for the record id. Business people want to offer a feature to let

Answer 1

Another approach might be to generate the string you store in a field that should be unique by integrating an auto-incrementing integer. This way you ensure from the start that your field values are unique.

You would put your file name together like this:

_

Auto-incrementing integers are not supported by Elasticsearch per se but you could mimic them using this approach. If you happen to use node.js you can use the es-sequence module.