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[ANNOUNCE] New Arrow PMC member: Krisztián Szűcs - Arrow - [mail # dev]
...Congrats!On Thu, Nov 8, 2018 at 4:02 PM Uwe L. Korn  wrote:> Congratulations Krisztián!>> On Thu, Nov 8, 2018, at 9:56 PM, Philipp Moritz wrote:> > Congrats and welcome K...
   Author: Li Jin , 2018-11-08, 22:00
[ANNOUNCE] New Arrow committers: Romain François, Sebastien Binet, Yosuke Shiro - Arrow - [mail # dev]
...Welcome!On Thu, Nov 8, 2018 at 4:01 PM Uwe L. Korn  wrote:> Welcome to all of you!>> On Thu, Nov 8, 2018, at 8:56 PM, Wes McKinney wrote:> > On behalf of the Arrow PMC, I...
   Author: Li Jin , 2018-11-08, 22:00
[SPARK-24561] User-defined window functions with pandas udf (bounded window) - Spark - [issue]
http://issues.apache.org/jira/browse/SPARK-24561    Author: Li Jin , 2018-11-06, 05:42
[ARROW-3566] Clarify that the type of dictionary encoded field should be the encoded(index) type - Arrow - [issue]
http://issues.apache.org/jira/browse/ARROW-3566    Author: Li Jin , 2018-10-30, 10:30
[ARROW-3396] [Java] VectorSchemaRoot.create(schema, allocator) doesn't create dictionary encoded vector correctly - Arrow - [issue]
http://issues.apache.org/jira/browse/ARROW-3396    Author: Li Jin , 2018-10-29, 12:46
Helper methods for PySpark discussion - Spark - [mail # dev]
...> (2) If the method forces evaluation this matches most obvious way thatwould implemented then we should add it with a note in the docstringI am not sure about this because force evaluati...
   Author: Li Jin , 2018-10-26, 17:56
DataSourceV2 hangouts sync - Spark - [mail # dev]
...Although I am not specifically involved in DSv2, I think having this kindof meeting is definitely helpful to discuss, move certain effort forwardand keep people on the same page. Glad to see...
   Author: Li Jin , 2018-10-25, 23:12
[SPARK-22947] SPIP: as-of join in Spark SQL - Spark - [issue]
...Background and MotivationTime series analysis is one of the most common analysis on financial data. In time series analysis, as-of join is a very common operation. Supporting as-of join in S...
http://issues.apache.org/jira/browse/SPARK-22947    Author: Li Jin , 2018-10-21, 21:30
[SPARK-20144] spark.read.parquet no long maintains ordering of the data - Spark - [issue]
...Hi, We are trying to upgrade Spark from 1.6.3 to 2.0.2. One issue we found is when we read parquet files in 2.0.2, the ordering of rows in the resulting dataframe is not the same as the orde...
http://issues.apache.org/jira/browse/SPARK-20144    Author: Li Jin , 2018-10-15, 21:27
[ARROW-3497] [Java] Add user documentation for achieving better performance - Arrow - [issue]
http://issues.apache.org/jira/browse/ARROW-3497    Author: Li Jin , 2018-10-12, 08:45