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Posted to dev@arrow.apache.org by "cmsxbc (Jira)" <ji...@apache.org> on 2020/06/05 02:59:00 UTC
[jira] [Created] (ARROW-9040) [Python][Parquet]"_ParquetDatasetV2"
fail to read with columns and use_pandas_metadata=True
cmsxbc created ARROW-9040:
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Summary: [Python][Parquet]"_ParquetDatasetV2" fail to read with columns and use_pandas_metadata=True
Key: ARROW-9040
URL: https://issues.apache.org/jira/browse/ARROW-9040
Project: Apache Arrow
Issue Type: Bug
Components: Python
Affects Versions: 0.17.1
Reporter: cmsxbc
When call _ParquetDatasetV2.read(columns=['column'], use_pandas_metadata=True),
"TypeError: unhashable type 'dict'" will be raised from
{code:java}
index_columns = set(_get_pandas_index_columns(metadata))
{code}
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