[SPARK-55299][PS] Infer the correct unit for calculated timedeltas#56624

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fangchenli:SPARK-55299-timedelta-unit

Commits on Jun 19, 2026

[SPARK-55299][PS] Infer the correct unit for calculated timedeltas

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[SPARK-55299][PS][FOLLOWUP] Handle object-backed timedelta columns in unit inference

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[SPARK-55299][PS][FOLLOWUP] Trim comments and use f-strings

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[SPARK-55299][PS][FOLLOWUP] Narrow the type of the subtraction operand

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[SPARK-55299][PS][FOLLOWUP] Respect pd.Timedelta scalar resolution

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[SPARK-55299][PS][FOLLOWUP] Cover the nanosecond cap in unit inference

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Commits on Jun 22, 2026