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[SPARK-25351] Handle Pandas category type when converting from Python with Arrow - Spark - [issue]
...There needs to be some handling of category types done when calling createDataFrame with Arrow or the return value of pandas_udf.  Without Arrow, Spark casts each element to the categor...
http://issues.apache.org/jira/browse/SPARK-25351    Author: Bryan Cutler , 2020-05-28, 00:54
[VOTE] Release Apache Arrow 0.17.1 - RC1 - Arrow - [mail # dev]
...+1 (non-binding)I ran:ARROW_TMPDIR=/tmp/arrow-test TEST_DEFAULT=0 TEST_SOURCE=1 TEST_CPP=1TEST_PYTHON=1 TEST_JAVA=1 TEST_INTEGRATION_CPP=1 TEST_INTEGRATION_JAVA=1dev/release/verify-release-c...
   Author: Bryan Cutler , 2020-05-15, 18:36
[ARROW-7173] [Integration] Add test to verify Map field names can be arbitrary - Arrow - [issue]
...A Map has child fields and the format spec only recommends that they be named "entries", "key", and "value" but could be named anything. Currently, integration tests for Map arrays verify th...
http://issues.apache.org/jira/browse/ARROW-7173    Author: Bryan Cutler , 2020-05-06, 16:47
[expand - 1 more] - Python is there support for extension types in Parquet? - Arrow - [mail # dev]
...Thanks for the tips Micah and Wes. The storage type is an int64 list, whichworks in a roundtrip for parquet by itself. I'll look into it a bit more tosee what is going on.On Fri, Apr 24, 202...
   Author: Bryan Cutler , 2020-04-24, 22:11
[DISCUSS] Reducing scope of work for Arrow 1.0.0 release - Arrow - [mail # dev]
...I really would like to see a 1.0.0 release with complete implementationsfor C++ and Java. From my experience, that interoperability has been amajor selling point for the project. That being ...
   Author: Bryan Cutler , 2020-04-21, 17:12
[ARROW-8386] [Python] pyarrow.jvm raises error for empty Arrays - Arrow - [issue]
...In the pyarrow.jvm module, when there is an empty array in Java, trying to create it in python raises a ValueError. This is because for an empty array, Java returns an empty list of buffers,...
http://issues.apache.org/jira/browse/ARROW-8386    Author: Bryan Cutler , 2020-04-13, 21:37
Trouble installing archery? - Arrow - [mail # dev]
...I had the same problem and Antoine's suggestion was exactly what was wrong.On Mon, Apr 13, 2020 at 1:27 AM Antoine Pitrou  wrote:>> Le 13/04/2020 à 02:42, Micah Kornfield a écrit ...
   Author: Bryan Cutler , 2020-04-13, 16:22
Proposal to use Black for automatic formatting of Python code - Arrow - [mail # dev]
...+1 for using blackOn Fri, Mar 27, 2020 at 11:53 AM Joris Van den Bossche <[EMAIL PROTECTED]> wrote:> On Fri, 27 Mar 2020 at 18:49, Antoine Pitrou  wrote:>> >> > ...
   Author: Bryan Cutler , 2020-03-27, 23:15
[ARROW-7966] [Integration][Flight][C++] Client should verify each batch independently - Arrow - [issue]
...Currently the C++ Flight test client in test_integration_client.cc reads all batches from JSON into a Table, reads all batches in the flight stream from the server into a Table, then compare...
http://issues.apache.org/jira/browse/ARROW-7966    Author: Bryan Cutler , 2020-03-19, 13:01
[SPARK-29040] Support pyspark.createDataFrame from a pyarrow.Table - Spark - [issue]
...PySpark createDataFrame currently supports creating a spark DataFrame from Pandas, using Arrow if enabled. This could be extended to accept a pyarrow.Table which has the added benefit of bei...
http://issues.apache.org/jira/browse/SPARK-29040    Author: Bryan Cutler , 2020-03-16, 22:51