FQL v4 will be decommissioned on June 30, 2025. Ensure that you complete your migration from FQL v4 to FQL v10 by that date.

For more details, see the v4 EOL announcement and migration guide. Contact support@fauna.com with any questions.


This reference topic applies to FQL v4. Go to this page for the latest FQL v10 reference topics.

The section provides a reference for all of the functions in FQL, the FQL.

For a quick overview of FQL, see the FQL cheat sheet.

Preview and deprecated functions

As you browse this section, keep in mind the following:

Preview functions that those that have been recently added to FQL. They are only supported in the Java, JavaScript, and Scala drivers. Preview functions might change after their initial release. Feedback from the community could suggest change to parameters, return values, or implementation. Please try these functions and let us know how they work for you!

Deprecated functions are existing functions that are deemed no longer particularly useful, or cause a variety of difficulties that newer query patterns, or functions, can resolve. These functions will be removed from future Fauna releases.

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