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[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-27395] Improve EXPLAIN command - Spark - [issue]
...Currently, when the query is complex or the output schema is long, the outputs of our EXPAIN command are not readable. Our documentation does not explain how to read the plans [e.g., the...    Author: Xiao Li , 2019-05-31, 15:57
Master maven build failing for 6 days -- may need some more eyes - Spark - [mail # dev]
...Thanks! Yuming and Gengliang are working on this.On Thu, May 30, 2019 at 8:21 AM Sean Owen  wrote:> I might need some help figuring this out. The master Maven build has> been fail...
   Author: Xiao Li , 2019-05-30, 16:10
[SPARK-17603] Utilize Hive-generated Statistics For Partitioned Tables - Spark - [issue]
...For non-partitioned tables, Hive-generated statistics are stored in table properties. However, for partitioned tables, Hive-generated statistics are stored in partition properties. Thus, we ...    Author: Xiao Li , 2019-05-21, 04:37
[SPARK-13428] Pushdown Aggregate Functions in Sort into Aggregate - Spark - [issue]
...Spark SQL is unable to resolve the following query.     sql(      """        |select area, sum(product) over () as c from windowData   ...    Author: Xiao Li , 2019-05-21, 04:37
[SPARK-15337] Unable to Make Run-time Changes on Hive-related Conf - Spark - [issue]
...When using the Set Command to change Hive-related Conf at run-time, we can see the change in the SQL Conf but the change is not sent to Hive....    Author: Xiao Li , 2019-05-21, 04:37
[SPARK-16126] Better Error Message When using DataFrameReader without `path` - Spark - [issue]
...When users do not specify the path in `DataFrameReader` APIs, it can get a confusing error message. For example, message:Unable to infer schema for JSON at . It must b...    Author: Xiao Li , 2019-05-21, 04:36
[SPARK-15460] Issue Exceptions from Thrift Server and Spark-SQL Cli when Users Inputting hive.metastore.warehouse.dir - Spark - [issue]
...Multiple test suites are still using hive.metastore.warehouse.dir as the input parameters to the Thrift Server or Spark-SQL Cli. Before this PR, this parameter is simply ignored without any ...    Author: Xiao Li , 2019-05-21, 04:36
[SPARK-16471] Remove Hive-specific CreateHiveTableAsSelectLogicalPlan - Spark - [issue]
...CreateHiveTableAsSelectLogicalPlan is a Hive-specific logical node. This is not a good design. We need to consolidate it into the corresponding CreateTableUsingAsSelect....    Author: Xiao Li , 2019-05-21, 04:36
[SPARK-15338] Run-time Change on the conf spark.sql.warehouse.dir Does not Affect the conf hive.metastore.warehouse.dir - Spark - [issue]
...We can change the value of conf spark.sql.warehouse.dir at runtime by using the Set command. However, this change does not change the corresponding value of Hive conf hive.metastore.warehous...    Author: Xiao Li , 2019-05-21, 04:36