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Statistics Precision #1708

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gatesn opened this issue Dec 18, 2024 · 0 comments

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gatesn commented Dec 18, 2024

We should follow along this great discussion in DataFusion around how best to handle approximate statistics: apache/datafusion#8078 (comment)

Currently Vortex either has a statistic precisely defined, or it is undefined.

An example of inexact statistics might be that min/max are still valid bounds after filtering an array, but those values are not guaranteed to exist.

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