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[SPARK-27770] Add aggregates.sql - Part1 - Spark - [issue]
...In this ticket, we plan to add the regression test cases of    Author: Xiao Li , 2019-06-14, 16:48
[SPARK-28112] Fix Kryo exception perf. bottleneck in tests due to absence of ML/MLlib classes - Spark - [issue]
...In a nutshell, it looks like the absence of ML / MLlib classes on the classpath causes code in KryoSerializer to throw and catch ClassNotFoundExceptions whenever instantiating a new serializ...    Author: Xiao Li , 2019-06-20, 02:06
[SPARK-28485] PythonBroadcast may delete the broadcast file while a Python worker still needs it - Spark - [issue]
...How to reproduce:Run "bin/pyspark --master local[1,1] --conf spark.memory.fraction=0.0001" to start PySpark and run the following codes:b = sc.broadcast([100]) sc.parallelize([0],1)....    Author: Xiao Li , 2019-07-23, 20:42
[SPARK-18543] SaveAsTable(CTAS) using overwrite could change table definition - Spark - [issue]
...When the mode is OVERWRITE, we drop the Hive serde tables and create a data source table. This is not right.     val tableName = "tab1"    withTable(tableName) {  &n...    Author: Xiao Li , 2019-07-27, 18:04
[SPARK-22965] Add deterministic parameter to registerJavaFunction - Spark - [issue]
...To register a JAVA UDF in PySpark, users are unable to specify the registered UDF is not deterministic. The proposal is to add the extra parameter deterministic at the end of the function re...    Author: Xiao Li , 2019-07-27, 18:04
[SPARK-22931] Add deterministic parameter to registerFunction - Spark - [issue]
...To register a Python UDF for SQL interface, users are unable to specify the UDF is not deterministic....    Author: Xiao Li , 2019-07-27, 18:05
[SPARK-23158] Move HadoopFsRelationTest test suites to from sql/hive to sql/core - Spark - [issue]    Author: Xiao Li , 2019-07-27, 18:06
[SPARK-28361] Test equality of generated code with id in class name - Spark - [issue]
...A code gen test in WholeStageCodeGenSuite was flaky because it used the codegen metrics class to test if the generated code for equivalent plans was identical under a particular flag. This p...    Author: Xiao Li , 2019-07-12, 23:28
[SPARK-28608] Improve test coverage of ThriftServer - Spark - [issue]
...The Spark Thrift server provides the access to Spark engine via JDBC or ODBC. We need to improve the test coverage to ensure it can function as expected. ...    Author: Xiao Li , 2019-08-03, 01:55
[SPARK-28538] Document SQL page - Spark - [issue]    Author: Xiao Li , 2019-08-12, 13:40