Streamset filter to use dataframe #44
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Don't know if we want to add dask in this PR. |
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Update the StreamSet's filter to remove multiple for-loops by build a hidden metadata table and using DataFrame.
Tested on StreamSet of 6471 streams (originally took ~50 seconds) to filter down streamset.filter(unit=re.compile(r'FREQ|FLAG'), name=re.compile(r'FQ|FLAG')) to 294 streams.
With this code change, the stream filter took ~10seconds (5x)..