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_episodes/78.md

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---
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layout: episode
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title: "78: A view with a view with a view"
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date: 2026-01-13
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tags: trino
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youtube_id: "ovtTaYKIrQ8"
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wistia_id:
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sections:
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- time: 00:00
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title: "Introduction with Manfred and Cole"
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- time:
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title: "Trino release and ecosystem updates"
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introduction: |
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Long-time Trino user and expert Rob Dickinson joins Manfred and Cole to chat
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about his continued work on virtual view hierarchies, which he first
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introduced at Trino Summit 2024. We talk about using AI and agents for
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development in general, and his deep knowledge and experience from working on
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ViewZoo, ViewMapper, and other projects.
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---
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## Host
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* [Manfred Moser](https://www.linkedin.com/in/manfredmoser), Sr. Principal
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DevRel Engineer at [Chainguard](https://chainguard.dev), open source hacker at
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[simpligility](https://github.com/simpligility)
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## Guest
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* [Rob Dickinson](https://www.linkedin.com/in/robfromboulder/)
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## Releases and news
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### [Trino 478]({{site.baseurl}}/docs/current/release/release-478.html)
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* Add support for multiple plugin directories.
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* Propagate queryId to the Open Policy Agent authorizer.
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* Add support for reading encrypted Parquet files with the Hive connector.
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* Add numerous performance improvements and bug fixes for the Iceberg connector.
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* Update Docker container to use Java 25.
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### [Trino 479]({{site.baseurl}}/docs/current/release/release-479.html)
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* Require Java 25 to build and run Trino.
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* Publish processing time for a query in the `FINISHING` state to event
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listeners.
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* Deprecate `EXPLAIN` type `LOGICAL` and `DISTRIBUTED`.
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* Add a extraHeaders option to support sending arbitrary HTTP headers to the
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JDBC driver and the CLI.
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* Add `APPLICATION_DEFAULT` authentication type for GCS.
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* Remove support for unauthenticated access when GCS authentication type is set
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to `SERVICE_ACCOUNT`.
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* Add support for setting and dropping column defaults via `ALTER TABLE ...
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ALTER COLUMN` to the memory connector.
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View [Manfred mentors ??]() for a more detailed discussion.
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As always, numerous performance improvements, bug fixes, and other features were
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added as well.
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### Other releases and news
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* Sept oct and nov contributor call recaps??
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* Trino query ui release
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* Trino Gateway ??
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* Manfred mentors videos
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## Introducing Rob
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## TBD
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## Resources
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* [Presentation ??]({{site.baseurl}}/assets/episode/tcb77-aws-proxy.pdf)
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* [virtual-view-manifesto](https://github.com/robfromboulder/virtual-view-manifesto)
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* [viewmapper](https://github.com/robfromboulder/viewmapper)
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* [viewzoo](https://github.com/robfromboulder/viewzoo)
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## Rounding out
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* Looking for guests and topics for Trino Community Broadcast 79
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* January date? - [Trino Contributor Call]({{site.baseurl}}/community.html#events)

broadcast/index.md

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## Upcoming episodes
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<dl>
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<dt>16 January 2025: Trino Community Broadcast 78 - A view with a view with a view</dt>
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<dd>Long-time Trino user and expert
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<a href="https://www.linkedin.com/in/robfromboulder/">Rob Dickinson</a> joins
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Manfred and Cole to chat about his continued work on virtual view hierarchies,
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which he first introduced at
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<a href="{{site.url}}/blog/2024/12/18/trino-summit-2024-quick-recap">Trino
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Summit 2024</a>. We talk about using AI and agents for development in general,
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and his deep knowledge and experience from working on ViewZoo, ViewMapper, and
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other projects.
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Live stream events on
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<a href="https://www.youtube.com/watch?v=ovtTaYKIrQ8"><i class="fab fa-youtube" style="color: red;"></i> YouTube</a>,
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<a href="https://www.linkedin.com/events/7379375716167159808/"><i class="fab fa-linkedin" style="color: blue;"></i> LinkedIn</a> and
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<a href="https://www.twitch.tv/simpligility"><i class="fab fa-twitch" style="color: blue;"></i> Twitch</a>.
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</dd>
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<dt>February 2026: Trino Community Broadcast 79 - to be determined</dt>
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<dd></dd>
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</dl>
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Find [more details and other events on our calendar]({{site.url}}/community.html#events).

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