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Fix mapping after aggregation push down #4499

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Fix mapping after aggregation push down #4499

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@qianheng-aws qianheng-aws commented Oct 10, 2025 •
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Description

Allow type updating/overriding when pushing aggregation and it has derived fields with the same name as fields in source.

Also fix WidthBucketFunction to return correct type if the field is type of TIME/DATE/TIMESTAMP.

Related Issues

Resolves #4413

Check List

  • New functionality includes testing.
  • New functionality has been documented.
  • New functionality has javadoc added.
  • New functionality has a user manual doc added.
  • New PPL command checklist all confirmed.
  • API changes companion pull request created.
  • Commits are signed per the DCO using --signoff or -s.
  • Public documentation issue/PR created.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
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@qianheng-aws qianheng-aws added bug Something isn't working pushdown pushdown related issues backport 2.19-dev labels Oct 10, 2025
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backport 2.19-dev bug Something isn't working pushdown pushdown related issues

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