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[expand - 2 more] - data source api v2 refactoring - Spark - [mail # dev]
...I want to bring back the discussion of data source v2 abstraction.There is a problem discovered by Hyukjin recently. For a write-only datasource, it may accept any input, and itself does not...
   Author: Wenchen Fan , 2018-10-18, 14:26
[SPARK-25680] SQL execution listener shouldn't happen on execution thread - Spark - [issue]    Author: Wenchen Fan , 2018-10-17, 08:09
[SPARK-25747] remove ColumnarBatchScan.needsUnsafeRowConversion - Spark - [issue]    Author: Wenchen Fan , 2018-10-16, 16:06
[SPARK-24882] data source v2 API improvement - Spark - [issue]
...Data source V2 is out for a while, see the SPIP here. We have already migrated most of the built-in streaming data sources to the V2 API, and the file source migration is in progress. During...    Author: Wenchen Fan , 2018-10-16, 12:05
[SPARK-22386] Data Source V2 improvements - Spark - [issue]    Author: Wenchen Fan , 2018-10-16, 08:22
[SPARK-25736] add tests to verify the behavior of multi-column count - Spark - [issue]    Author: Wenchen Fan , 2018-10-16, 07:13
[SPARK-20236] Overwrite a partitioned data source table should only overwrite related partitions - Spark - [issue]
...When we overwrite a partitioned data source table, currently Spark will truncate the entire table to write new data, or truncate a bunch of partitions according to the given static partition...    Author: Wenchen Fan , 2018-10-15, 02:16
[expand - 2 more] - Coalesce behaviour - Spark - [mail # dev]
...You have a heavy workload, you want to run it with many tasks for betterperformance and stability(no OMM), but you also want to run it with fewtasks to avoid too many small files. The realit...
   Author: Wenchen Fan , 2018-10-15, 02:06
[SPARK-25710] range should report metrics correctly - Spark - [issue]    Author: Wenchen Fan , 2018-10-13, 05:56
[SPARK-25708] HAVING without GROUP BY means global aggregate - Spark - [issue]    Author: Wenchen Fan , 2018-10-12, 07:26