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Benchmark runs are scheduled for baseline = ac2222a and contender = afb73be. afb73be 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
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Feb 24, 2023
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Which issue does this PR close?
Closes #5281.
Rationale for this change
When running an aggregate count on an unnested column the aggregate_statistics optimizer removes UnnestExec from the ExecutionPlan.
What changes are included in this PR?
UnnestExec::statisticsreturns default statistics instead of returning child statistics.Are these changes tested?
Tests for the fix is here
Are there any user-facing changes?
Aggregate count on unnested column now works as expected.