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[SPARK-17319] Move addJar from HiveSessionState to HiveSharedState - Spark - [issue]
...aThe added jar is shared by all the sessions, because SparkContext does not support sessions. Thus, it makes more sense to move addJar from `HiveSessionState` to `HiveSharedState`This is als...    Author: Xiao Li , 2019-05-21, 04:35
[SPARK-27769] Handling of sublinks within outer-level aggregates. - Spark - [issue]
...-- !query 39select (select max((select i.unique2 from tenk1 i where i.unique1 = o.unique1)))from tenk1 o-- !query 39 schemastruct<>-- !query 39 outputorg.apache.spark.sql.Analysis...    Author: Xiao Li , 2019-05-19, 04:24
[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-27901] Improve the error messages of SQL parser - Spark - [issue]
...SQL is one the most popular APIs for Apache Spark. Our SQL parser is built on ANTLR4. The error messages generated by ANTLR4 is not always helpful. This umbrella Jira is to track all the imp...    Author: Xiao Li , 2019-05-31, 17:03
[SPARK-23906] Add UDF trunc(numeric) - Spark - [issue]
... already have date_trunc and trunc. Need to discuss whether we should introduce a new name or reuse trunc for truncating numbers....    Author: Xiao Li , 2019-06-01, 15:08
[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-27479] Hide API docs for "org.apache.spark.util.kvstore" - Spark - [issue]
...The API docs should not include the "org.apache.spark.util.kvstore" package because they are internal private APIs....    Author: Xiao Li , 2019-04-17, 02:54
[SPARK-13263] SQL generation support for tablesample - Spark - [issue]
...SELECT FROM t0 TABLESAMPLE(0.1 PERCENT) s...    Author: Xiao Li , 2019-04-22, 06:15
[SPARK-26709] OptimizeMetadataOnlyQuery does not correctly handle the files with zero record - Spark - [issue]
...import org.apache.spark.sql.functions.litwithSQLConf(SQLConf.OPTIMIZER_METADATA_ONLY.key -> "true") {  withTempPath { path =>    val tabLocation = path.getAbsolutePath&n...    Author: Xiao Li , 2019-02-26, 18:52
[SPARK-26176] Verify column name when creating table via `STORED AS` - Spark - [issue]
...We can issue a reasonable exception when we creating Parquet native tables, CREATE TABLE TAB1TEST USING PARQUET AS SELECT COUNT(ID) FROM TAB1;org.apache.spark.sql.AnalysisException: Attribut...    Author: Xiao Li , 2019-03-19, 12:30