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  1. Apache Arrow
  2. ARROW-7367

[Python] Use np.full instead of np.array.repeat in ParquetDatasetPiece

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      For small tables (len < 100) execution time is slightly degraded (~ x1.4 at len = 10), for large ones performance gain is huge (exec time ~ x0.04 at len = 100_000)

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              0x0L Xavier Lacroze
              0x0L Xavier Lacroze
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