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Add ability to read only specified columns to improve performance #46

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Tagar opened this issue Dec 10, 2018 · 0 comments
Open

Add ability to read only specified columns to improve performance #46

Tagar opened this issue Dec 10, 2018 · 0 comments
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enhancement

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@Tagar
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Tagar commented Dec 10, 2018

Parso 2.0.9 added ability to read only specified columns, to improve performance

https://github.com/epam/parso#parso-209

Would be great to expose this functionality in spark-sas7bdat package as well.

We have datasets with many thousands of columns, so this a great functionality when we need just a subset of columns.

cc @thesuperzapper

Thank you.
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@Tagar @saurfang