feat: add observe operator support [WIP] by kazantsev-maksim · Pull Request #5955 · apache/datafusion-comet · GitHub
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feat: add observe operator support [WIP] - #5955

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kazantsev-maksim wants to merge 87 commits into
apache:mainfrom
kazantsev-maksim:observe_operator
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kazantsev-maksim wants to merge 87 commits into
apache:mainfrom
kazantsev-maksim:observe_operator

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@kazantsev-maksim

@kazantsev-maksim kazantsev-maksim commented Sep 15, 2026

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Which issue does this PR close?

Closes #5124

Rationale for this change

What changes are included in this PR?

How are these changes tested?

@kazantsev-maksim kazantsev-maksim changed the title Observe operator feat: add observe operator support [WIP] Sep 15, 2026
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Add native support for CollectMetricsExec (df.observe) to preserve stage fusion

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