Switch index to parquet format #57
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We have a problem: ImagingDataCommons/idc-index-data#18 |
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For the background, we are switching to Parquet because it improves query performance, compresses better and organizes data column-wise as opposed to row-based organization in CSV. One article discussing this: https://blog.enterprisedna.co/pandas-read-parquet-file-into-dataframe/. |
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@fedorov Once ImagingDataCommons/idc-index-data#17 is merged, and new pypi release is created,
I'll lock the data version in idc-index's pyproject.toml. This PR should then pass the tests.