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[SPARK-26367] Remove ReplaceExceptWithFilter from nonExcludableRules - Spark - [issue]
...ReplaceExceptWithFilter is optional and thus remove it from nonExcludableRules...    Author: Xiao Li , 2018-12-14, 02:38
[SPARK-26193] Implement shuffle write metrics in SQL - Spark - [issue]    Author: Xiao Li , 2018-12-12, 02:07
Self join - Spark - [mail # dev]
...This is a long-standing and well-known issue. We tried to resolve itmultiple times. Multiple Spark committers (including me) have tried toresolve it since Spark 1.x. We might need to revisit...
   Author: Xiao Li , 2018-12-11, 17:09
[SPARK-26307] Fix CTAS when INSERT a partitioned table using Hive serde - Spark - [issue]
...    withTable("hive_test") {      withSQLConf(          "hive.exec.dynamic.partition.mode" -> "nonstrict") {        v...    Author: Xiao Li , 2018-12-10, 07:01
Run a specific PySpark test or group of tests - Spark - [mail # dev]
...Yes! This is very helpful!On Wed, Dec 5, 2018 at 9:21 PM Wenchen Fan  wrote:> great job! thanks a lot!>> On Thu, Dec 6, 2018 at 9:39 AM Hyukjin Kwon  wrote:>>> It...
   Author: Xiao Li , 2018-12-06, 16:57
[SPARK-25573] Combine resolveExpression and resolve in the rule ResolveReferences - Spark - [issue]
...In the rule ResolveReferences, two private functions `resolve` and `resolveExpression` should be combined....    Author: Xiao Li , 2018-12-04, 07:00
[expand - 6 more] - DataSourceV2 community sync #3 - Spark - [mail # user]
...Hi, Jayesh,This is a good question. Spark is a unified analytics engine for variousdata sources. We are able to get the table schema from the underlying datasources via our data source APIs....
   Author: Xiao Li , 2018-12-03, 16:44
[SPARK-23899] Built-in SQL Function Improvement - Spark - [issue]
...This umbrella JIRA is to improve compatibility with the other data processing systems, including Hive, Teradata, Presto, Postgres, MySQL, DB2, Oracle, and MS SQL Server....    Author: Xiao Li , 2018-12-02, 09:44
[SPARK-26189] Fix the doc of unionAll in SparkR - Spark - [issue]
...We should fix the doc of unionAll in SparkR. See the discussion:    Author: Xiao Li , 2018-12-01, 07:14
[SPARK-24498] Add JDK compiler for runtime codegen - Spark - [issue]
...In some cases, JDK compiler can generate smaller bytecode and take less time in compilation compared to Janino. However, in some cases, Janino is better. We should support both for our runti...    Author: Xiao Li , 2018-11-29, 17:45