TelegraphCQ is an implementation of the Telegraph dataflow engine in the PostgreSQL code base. 
Thank you for trying the TelegraphCQ 0.2 BETA release!

This release is an early-access implementation that has NOT been optimized for performance or verified through rigorous quality testing. This version is research code, and we highly recommend that you back up any existing, critical data before running it.

We'd love to hear back about any problems you face.

Please let us know if you are using TelegraphCQ for any applications.
You can send feedback to


Software download

The TelegraphCQ 0.2 release is available here

Mailing list

We have a mailing list hosted on Yahoo! Groups for the discussion of TelegraphCQ. If you are using, or thinking of using the software please consider joining the telegraphcq mailing list.


More information on the system can be found at the following links:

To provide feedback on the TelegraphCQ release, email