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[SPARK-32282] Improve EnsureRquirement.reorderJoinKeys to handle more scenarios such as PartitioningCollection - Spark - [issue]
...The EnsureRquirement.reorderJoinKeys can be improved to handle the following scenarios: If the keys cannot be reordered to match the left-side HashPartitioning, consider the right-side HashP...    Author: Terry Kim , 2020-07-12, 03:11
[SPARK-32271] Update CrossValidator to parallelize fit method across folds - Spark - [issue]
...Currently, fitting a CrossValidator is only parallelized across models. This means that a CrossValidator will only fit as quickly as the slowest-to-train model would fit by itself.If a 2x2x3...    Author: Austin Jordan , 2020-07-12, 01:38
[SPARK-32228] Partition column of hive table was capitalized as directory name when stored on HDFS - Spark - [issue]
...Suppose we have a target hive table to be insert by spark with dynamic partition feature on.CREATE TABLE DEMO_PART (ID VARCHAR(10),NAME VARCHAR(10)) PARTITIONED BY (BATCH DATE, TEAM VARCHAR(...    Author: Kernel Force , 2020-07-12, 01:06
[SPARK-32154] Use ExpressionEncoder for the return type of ScalaUDF to convert to catalyst type - Spark - [issue]
...Users now could register a UDF with Instant/LocalDate as return type even with spark.sql.datetime.java8API.enabled=false. However, the UDF can only be really used with spark.sql.datetime.jav...    Author: wuyi , 2020-07-12, 00:46
[SPARK-29358] Make unionByName optionally fill missing columns with nulls - Spark - [issue]
...Currently, unionByName requires two DataFrames to have the same set of columns (even though the order can be different). It would be good to add either an option to unionByName or a new type...    Author: Mukul Murthy , 2020-07-11, 22:59
[SPARK-29292] Fix internal usages of mutable collection for Seq in 2.13 - Spark - [issue]
...Kind of related to, but a simpler subset. In 2.13, a mutable collection can't be returned as a scala.collection.Seq. It's easy enough to cal...    Author: Sean R. Owen , 2020-07-11, 22:08
[SPARK-31226] Fix SizeBasedCoalesce in tests - Spark - [issue]
...In spark UT, SizeBasedCoalecse's logic is wrong...    Author: angerszhu , 2020-07-11, 21:48
[SPARK-30010] Remove deprecated SparkConf.setAll(Traversable) - Spark - [issue]
...SparkConf has the following overloads, which were also driven by Scala version compatibility:  /** Set multiple parameters together */  def setAll(settings: Iterable[(String, Strin...    Author: Sean R. Owen , 2020-07-11, 21:34
[SPARK-32200] Redirect to the history page when accessed to /history without appliation id - Spark - [issue]
... In the current master, when we access to /history on the HistoryServer with without application id, status code 400 will be returned.I wonder it's better to redirect to the history page ins...    Author: Kousuke Saruta , 2020-07-11, 20:47
[SPARK-32245] Implement the base to run Spark tests in GitHun Actions - Spark - [issue]
...I have an initial version to run the tests in Github Actions. We should have the minimal working version first....    Author: Hyukjin Kwon , 2020-07-11, 20:09