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[SPARK-10442] select cast('false' as boolean) returns true - Spark - [issue]
http://issues.apache.org/jira/browse/SPARK-10442    Author: Yin Huai , 2019-07-24, 02:03
[SPARK-17910] Allow users to update the comment of a column - Spark - [issue]
...Right now, once a user set the comment of a column with create table command, he/she cannot update the comment. It will be useful to provide a public interface (e.g. SQL) to do that....
http://issues.apache.org/jira/browse/SPARK-17910    Author: Yin Huai , 2019-10-12, 08:52
[SPARK-23292] python tests related to pandas are skipped with python 2 - Spark - [issue]
...I was running python tests and found that pyspark.sql.tests.GroupbyAggPandasUDFTests.test_unsupported_types does not run with Python 2 because the test uses "assertRaisesRegex" (supported by...
http://issues.apache.org/jira/browse/SPARK-23292    Author: Yin Huai , 2019-10-08, 05:41
[SPARK-9862] Join: Handling data skew - Spark - [issue]
...For a two way shuffle join, if one or multiple groups are skewed in one table (say left table) but having a relative small number of rows in another table (say right table), we can use broad...
http://issues.apache.org/jira/browse/SPARK-9862    Author: Yin Huai , 2020-01-18, 00:08
[SPARK-30783] Hive 2.3 profile should exclude hive-service-rpc - Spark - [issue]
...hive-service-rpc 2.3.6 and spark sql's thrift server module have duplicate classes. Leaving hive-service-rpc 2.3.6 in the class path means that spark can pick up classes defined in hive inst...
http://issues.apache.org/jira/browse/SPARK-30783    Author: Yin Huai , 2020-02-11, 17:48
[SPARK-30784] Hive 2.3 profile should still use orc-nohive - Spark - [issue]
...Originally reported at https://github.com/apache/spark/pull/26619#issuecomment-583802901 Right now, Hive 2.3 profile pulls in regular orc, which depends on hive-storage-api. However, hive-st...
http://issues.apache.org/jira/browse/SPARK-30784    Author: Yin Huai , 2020-03-10, 08:50
[SPARK-10681] DateTimeUtils needs a method to parse string to SQL's timestamp value - Spark - [issue]
...Right now, DateTimeUtils.stringToTime returns a java.util.Date whose getTime returns milliseconds. It will be great if we have a method to parse string directly to SQL's timestamp value (mic...
http://issues.apache.org/jira/browse/SPARK-10681    Author: Yin Huai , 2019-11-15, 07:48
[SPARK-10087] Disable reducer locality in 1.5 - Spark - [issue]
...In some cases, when spark.shuffle.reduceLocality.enabled is enabled, we are scheduling all reducers to the same executor (the cluster has plenty of resources). Changing spark.shuffle.reduceL...
http://issues.apache.org/jira/browse/SPARK-10087    Author: Yin Huai , 2020-05-17, 17:47
[SPARK-10567] Reducer locality follow-up for Spark 1.6 - Spark - [issue]
...For Spark 1.6, let's check the issue mentioned in https://github.com/apache/spark/pull/8280 is fixed when spark.shuffle.reduceLocality.enabled is true.Otherwise, we should disable it....
http://issues.apache.org/jira/browse/SPARK-10567    Author: Yin Huai , 2020-05-17, 17:48
[SPARK-16423] Inconsistent settings on the first day of a week - Spark - [issue]
...For the function WeekOfYear, we explicitly set the first day of the week to Calendar.MONDAY. However, FromUnixTime does not explicitly set it. So, we are using the default first day of the w...
http://issues.apache.org/jira/browse/SPARK-16423    Author: Yin Huai , 2020-05-18, 20:12