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https://issues.apache.org/jira/browse/ARROW-2145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16377665#comment-16377665
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ASF GitHub Bot commented on ARROW-2145:
---------------------------------------
cpcloud commented on a change in pull request #1651:
ARROW-2145/ARROW-2153/ARROW-2157/ARROW-2160/ARROW-2177: [Python] Decimal
conversion not working for NaN values
URL: https://github.com/apache/arrow/pull/1651#discussion_r170750478
##########
File path: ci/travis_build_parquet_cpp.sh
##########
@@ -38,7 +38,7 @@ cmake \
-GNinja \
-DCMAKE_BUILD_TYPE=debug \
-DCMAKE_INSTALL_PREFIX=$ARROW_PYTHON_PARQUET_HOME \
- -DPARQUET_BOOST_USE_SHARED=off \
+ -DPARQUET_BOOST_USE_SHARED=on \
Review comment:
`import pyarrow.parquet` was segfaulting, I assumed because we're statically
linking boost in the parquet build and dynamically in the arrow build. This
only shows up when using the regex library.
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> [Python] Decimal conversion not working for NaN values
> ------------------------------------------------------
>
> Key: ARROW-2145
> URL: https://issues.apache.org/jira/browse/ARROW-2145
> Project: Apache Arrow
> Issue Type: Bug
> Components: C++, Python
> Affects Versions: 0.8.0
> Reporter: Antony Mayi
> Assignee: Phillip Cloud
> Priority: Major
> Labels: pull-request-available
>
> {code:python}
> import pyarrow as pa
> import pandas as pd
> import decimal
> pa.Table.from_pandas(pd.DataFrame({'a': [decimal.Decimal('1.1'),
> decimal.Decimal('NaN')]}))
> {code}
> throws following exception:
> {code}
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "pyarrow/table.pxi", line 875, in pyarrow.lib.Table.from_pandas
> (/arrow/python/build/temp.linux-x86_64-3.6/lib.cxx:44927)
> File "/lib/python3.6/site-packages/pyarrow/pandas_compat.py", line 350, in
> dataframe_to_arrays
> convert_types)]
> File "/lib/python3.6/site-packages/pyarrow/pandas_compat.py", line 349, in
> <listcomp>
> for c, t in zip(columns_to_convert,
> File "/lib/python3.6/site-packages/pyarrow/pandas_compat.py", line 345, in
> convert_column
> return pa.array(col, from_pandas=True, type=ty)
> File "pyarrow/array.pxi", line 170, in pyarrow.lib.array
> (/arrow/python/build/temp.linux-x86_64-3.6/lib.cxx:29224)
> File "pyarrow/array.pxi", line 70, in pyarrow.lib._ndarray_to_array
> (/arrow/python/build/temp.linux-x86_64-3.6/lib.cxx:28465)
> File "pyarrow/error.pxi", line 98, in pyarrow.lib.check_status
> (/arrow/python/build/temp.linux-x86_64-3.6/lib.cxx:9068)
> pyarrow.lib.ArrowException: Unknown error: an integer is required (got type
> str)
> {code}
> Same problem with other special decimal values like {{infinity}}.
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