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Add SPI for delegating row expression optimizer #24144

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@tdcmeehan tdcmeehan commented Nov 25, 2024

Description

As part of RFC-0006, we need to support out of process expression evaluation. Add support for pluggable expression optimization and planner support to utilize the new SPI.

Motivation and Context

RFC-0006. See #24126 for larger changes that include the Presto sidecar as described in the RFC.

Impact

No impact by default as the old in-memory evaluation is the default.

Test Plan

Tests have been added.

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  • Please make sure your submission complies with our development, formatting, commit message, and attribution guidelines.
  • PR description addresses the issue accurately and concisely. If the change is non-trivial, a GitHub Issue is referenced.
  • Documented new properties (with its default value), SQL syntax, functions, or other functionality.
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Release Notes

== RELEASE NOTES ==

SPI Changes
* Add ``CoordinatorPlugin#getExpressionOptimizerFactories`` to customize expression evaluation in the Presto coordinator. :pr:`24144`

@tdcmeehan tdcmeehan requested a review from presto-oss November 25, 2024 18:56
@prestodb-ci prestodb-ci added the from:IBM PR from IBM label Nov 25, 2024
@prestodb-ci prestodb-ci requested review from a team, sh-shamsan and pdabre12 and removed request for a team November 25, 2024 18:56
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Thanks @tdcmeehan.
Just some initial comments

@tdcmeehan tdcmeehan force-pushed the expr-spi-init branch 12 times, most recently from 17fd8e1 to 563611e Compare December 2, 2024 17:34
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Codenotify: Notifying subscribers in CODENOTIFY files for diff 15fd5d8...226a3c3.

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@ZacBlanco ZacBlanco left a comment

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At a high-level, the changes make sense. I had a few questions about the configuration and how we might be able to simplify it to be more straightforward for users

@tdcmeehan tdcmeehan force-pushed the expr-spi-init branch 3 times, most recently from a7b6402 to 2d609d0 Compare December 19, 2024 15:51
@tdcmeehan tdcmeehan mentioned this pull request Dec 19, 2024
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Some comments,

@tdcmeehan tdcmeehan force-pushed the expr-spi-init branch 2 times, most recently from 97d0c3b to 8c8d1f4 Compare December 20, 2024 20:57
@tdcmeehan tdcmeehan force-pushed the expr-spi-init branch 3 times, most recently from 3cbc135 to 6e124d2 Compare January 9, 2025 20:53
@tdcmeehan tdcmeehan force-pushed the expr-spi-init branch 6 times, most recently from 9d80d3e to 2cf08d2 Compare January 17, 2025 21:37
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tdcmeehan commented Jan 21, 2025

Updates:

  1. Removed DelegatingExpressionOptimizer and all related tests.
  2. Added the ability to configure multiple expression optimizers and switch them based on a session property. Should be useful for fuzzer testing.

Thanks for the comments, please take another @ZacBlanco @rschlussel @aaneja @pdabre12

@tdcmeehan tdcmeehan force-pushed the expr-spi-init branch 2 times, most recently from 616bb09 to 226a3c3 Compare January 22, 2025 21:23
The runtime should consolidate to the `ExpressionOptimizerProvider` factory
so that it can be customized without significant refactoring.
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6 participants