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https://issues.apache.org/jira/browse/ARROW-1650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16193715#comment-16193715
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Luke Higgins commented on ARROW-1650:
-------------------------------------
nifi's parquet code (I believe this is the relevant piece, if not nearby)
https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-parquet-bundle/nifi-parquet-processors/src/main/java/org/apache/nifi/processors/parquet/PutParquet.java
> No support for reading columns of type list<array: string not null>
> -------------------------------------------------------------------
>
> Key: ARROW-1650
> URL: https://issues.apache.org/jira/browse/ARROW-1650
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Affects Versions: 0.7.1
> Environment: centos 7.3, Anaconda 4.4.0 python 3.6.1
> Reporter: Luke Higgins
> Priority: Minor
> Fix For: 0.8.0
>
>
> While trying to read a parquetfile (written by nifi) I am getting an error.
> code:
> import pyarrow.parquet as pq
> t = pq.read_table('test.parq')
> error:
> Traceback (most recent call last):
> File "parquet_reader.py", line 2, in <module>
> t = pq.read_table('test.parq')
> File "/opt/anaconda3/lib/python3.6/site-packages/pyarrow/parquet.py", line
> 823, in read_table
> use_pandas_metadata=use_pandas_metadata)
> File "/opt/anaconda3/lib/python3.6/site-packages/pyarrow/parquet.py", line
> 119, in read
> nthreads=nthreads)
> File "pyarrow/_parquet.pyx", line 466, in
> pyarrow._parquet.ParquetReader.read_all
> (/arrow/python/build/temp.linux-x86_64-3.6/_parquet.cxx:9181)
> File "pyarrow/error.pxi", line 85, in pyarrow.lib.check_status
> (/arrow/python/build/temp.linux-x86_64-3.6/lib.cxx:8115)
> pyarrow.lib.ArrowNotImplementedError: No support for reading columns of type
> list<array: string not null>
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