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No data for map column of a parquet file created from pyarrow and pandas

score 1570 · Answer 1 · 2020-09-27T09:49:30.587000

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No data for map column of a parquet file created from pyarrow and pandas

1.5k views Asked by acan At 27 September 2020 at 09:49

score 3956 · Answer 2 · 2020-09-27T14:42:55.317000

Feather format for long term storage since the release of apache arrow 1.0.1

3.9k views Asked by Serelia At 27 September 2020 at 14:42

score 719 · Answer 3 · 2020-09-30T12:33:04.657000

How to override type inference for partition columns in Hive partitioned dataset using PyArrow?

719 views Asked by sean_scoggins At 30 September 2020 at 12:33

score 3856 · Answer 4 · 2020-10-07T00:42:16.683000

Extracting column name and datatype from parquet file with python

3.8k views Asked by Vorcry At 07 October 2020 at 00:42

score 1520 · Answer 5 · 2020-10-06T01:01:57.990000

Write Parquet MAP datatype by PyArrow

1.5k views Asked by Yucan At 06 October 2020 at 01:01

score 432 · Answer 6 · 2020-10-09T16:57:13.807000

Convertion of a pandas dataframe to a pyspark dataframe with pyarrow optimization does not work

432 views Asked by tommy At 09 October 2020 at 16:57

score 901 · Answer 7 · 2020-10-10T02:29:43.670000

PyArrow >= 0.8.0 must be installed; however, it was not found

901 views Asked by vishal At 10 October 2020 at 02:29

score 2728 · Answer 8 · 2020-10-09T08:55:19.780000

How to fix timestamp interpretation in python pandas of parquet files

2.7k views Asked by Dominik Steinschaden At 09 October 2020 at 08:55

score 447 · Answer 9 · 2020-10-15T21:18:40.543000

How to retrieve idAdjustedUTC flag value for a TIMESTAMP column in a parquet file?

447 views Asked by Sauron At 15 October 2020 at 21:18

score 19927 · Answer 10 · 2020-10-15T02:48:37.260000

Unable to convert dataframe to parquet, TypeError

19.9k views Asked by Trishant Pahwa At 15 October 2020 at 02:48

score 9443 · Answer 11 · 2020-10-16T18:43:25.117000

Why reading an small subset of the rows with Parquet Dataset take the same time than reading the whole file?

9.4k views Asked by Joseph Gonzalez At 16 October 2020 at 18:43

score 486 · Answer 12 · 2020-10-21T01:58:12.243000

PyArrow OSError: [WinError 193] %1 is not a valid win32 application

486 views Asked by Joseph Hwang At 21 October 2020 at 01:58

score 3165 · Answer 13 · 2020-10-22T16:07:18.513000

Parquet.NET is generating huge parquet files in comparison with pyarrow

3.1k views Asked by Flavio Pegas At 22 October 2020 at 16:07

score 1294 · Answer 14 · 2020-10-21T17:09:47.370000

topandas() using pyarrow returns empty dataframe

1.2k views Asked by Abhishek At 21 October 2020 at 17:09

score 96 · Answer 15 · 2023-10-13T18:47:44.053000

Any way to pre-compile pyarrow?

96 views Asked by Anentropic At 13 October 2023 at 18:47

score 281 · Answer 16 · 2023-10-19T09:39:33.390000

Pyarrow read remote host hdfs file

281 views Asked by thomas At 19 October 2023 at 09:39

score 587 · Answer 17 · 2023-10-19T09:40:35.990000

How to fix: ERROR: Failed building wheel for pyarrow in docker?

587 views Asked by user8208734 At 19 October 2023 at 09:40

score 196 · Answer 18 · 2023-10-14T13:46:53.417000

How to iterate through all partitions in a PyArrow FileSystemDataset for aggregations

196 views Asked by Stephen Nicholson At 14 October 2023 at 13:46

score 509 · Answer 19 · 2023-10-06T15:58:35.740000

Error about field having incompatible type when reading parquet with dask.dataframe.read_parquet

509 views Asked by dkjackyu At 06 October 2023 at 15:58

score 157 · Answer 20 · 2023-10-19T15:24:33.733000

pyarrow not able to handle nulls for required fields when writing to parquet files

157 views Asked by Gaurang Shah At 19 October 2023 at 15:24

TechQA.

List Question

No data for map column of a parquet file created from pyarrow and pandas

Feather format for long term storage since the release of apache arrow 1.0.1

How to override type inference for partition columns in Hive partitioned dataset using PyArrow?

Extracting column name and datatype from parquet file with python

Write Parquet MAP datatype by PyArrow

Convertion of a pandas dataframe to a pyspark dataframe with pyarrow optimization does not work

PyArrow >= 0.8.0 must be installed; however, it was not found

How to fix timestamp interpretation in python pandas of parquet files

How to retrieve idAdjustedUTC flag value for a TIMESTAMP column in a parquet file?

Unable to convert dataframe to parquet, TypeError

Why reading an small subset of the rows with Parquet Dataset take the same time than reading the whole file?

PyArrow OSError: [WinError 193] %1 is not a valid win32 application

Parquet.NET is generating huge parquet files in comparison with pyarrow

topandas() using pyarrow returns empty dataframe

Any way to pre-compile pyarrow?

Pyarrow read remote host hdfs file

How to fix: ERROR: Failed building wheel for pyarrow in docker?

How to iterate through all partitions in a PyArrow FileSystemDataset for aggregations

Error about field having incompatible type when reading parquet with dask.dataframe.read_parquet

pyarrow not able to handle nulls for required fields when writing to parquet files

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