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Prefilter the tablechunks if there are relevant where statements #3

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lothar7 opened this issue Dec 20, 2023 · 0 comments
Open

Prefilter the tablechunks if there are relevant where statements #3

lothar7 opened this issue Dec 20, 2023 · 0 comments

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@lothar7
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lothar7 commented Dec 20, 2023

I am looking to process very large timeseries tables by using the ITableSource. They all have a timestamp column that can be used for filtering. However this wont work very well now since all the data must be scanned regardless.

If we could prune the tablechunks by time assuming there is a "where" statement in the query then we would only need to process there relevant table chunks.

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