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Show optimization errors in explain #4819

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merged 4 commits into from
Jan 27, 2023
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@Jefffrey Jefffrey commented Jan 4, 2023

Which issue does this PR close?

Closes #4766

Rationale for this change

What changes are included in this PR?

In optimize methods for logical & physical, wrap the returned error in DataFusionError::Context(...) instances, where the accompanying String is the name of the stage/optimizer type that failed, which enables the explain to collate these failed stages to the output, instead of failing outright.

For logical optimizations, this might be unnecessary since it by default failing optimizations are skipped anyway. (same with the new logical_optimization_succeeded field in Explain, could just remove this)

Are these changes tested?

Are there any user-facing changes?

@github-actions github-actions bot added logical-expr Logical plan and expressions optimizer Optimizer rules sql SQL Planner labels Jan 26, 2023
@Jefffrey Jefffrey marked this pull request as ready for review January 26, 2023 10:16
@Jefffrey Jefffrey changed the title WIP: show optimization errors in explain Show optimization errors in explain Jan 26, 2023
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@alamb alamb left a comment

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Makes sense to me -- thank you @Jefffrey

@alamb alamb merged commit 7673fcc into apache:master Jan 27, 2023
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ursabot commented Jan 27, 2023

Benchmark runs are scheduled for baseline = dd09212 and contender = 7673fcc. 7673fcc is a master commit associated with this PR. Results will be available as each benchmark for each run completes.
Conbench compare runs links:
[Skipped ⚠️ Benchmarking of arrow-datafusion-commits is not supported on ec2-t3-xlarge-us-east-2] ec2-t3-xlarge-us-east-2
[Skipped ⚠️ Benchmarking of arrow-datafusion-commits is not supported on test-mac-arm] test-mac-arm
[Skipped ⚠️ Benchmarking of arrow-datafusion-commits is not supported on ursa-i9-9960x] ursa-i9-9960x
[Skipped ⚠️ Benchmarking of arrow-datafusion-commits is not supported on ursa-thinkcentre-m75q] ursa-thinkcentre-m75q
Buildkite builds:
Supported benchmarks:
ec2-t3-xlarge-us-east-2: Supported benchmark langs: Python, R. Runs only benchmarks with cloud = True
test-mac-arm: Supported benchmark langs: C++, Python, R
ursa-i9-9960x: Supported benchmark langs: Python, R, JavaScript
ursa-thinkcentre-m75q: Supported benchmark langs: C++, Java

@Jefffrey Jefffrey deleted the explain_output_error branch January 27, 2023 21:28
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Explain <query> should not fail if meeting errors when optimizing the query
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