Support prefix queries in dsl

Description

There is a good workaround, that is using a simple string query with a prefix flag.
So there is no rush to have this issue solved.

Environment

None

Assignee

Unassigned

Reporter

Fabio Massimo Ercoli

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Suitable for new contributors

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Pull Request

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Feedback Requested

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Fix versions

Affects versions

Priority

Trivial
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