19 lines
382 B
Python
19 lines
382 B
Python
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import pyarrow.parquet as pq
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import pyarrow.csv as pv
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csvfile = 'pressureVacuum.csv'
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tb = pv.read_csv(csvfile,parse_options=pv.ParseOptions(delimiter=','))
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print(tb)
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parquetfile = 'pressureVacuum.parquet'
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pq.write_table(tb,parquetfile,compression='BROTLI')
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# {'NONE', 'SNAPPY', 'GZIP', 'LZO', 'BROTLI', 'LZ4', 'ZSTD'}
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df = pq.read_table(parquetfile,columns=None)
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print(df)
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