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* [SPARK-33045][SQL][FOLLOWUP] Fix build failure with Scala 2.13 ### What changes were proposed in this pull request? Explicitly convert `scala.collection.mutable.Buffer` to `Seq`. In Scala 2.13 `Seq` is an alias of `scala.collection.immutable.Seq` instead of `scala.collection.Seq`. ### Why are the changes needed? Without the change build with Scala 2.13 fails with the following: ``` [error] /home/runner/work/spark/spark/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala:1417:41: type mismatch; [error] found : scala.collection.mutable.Buffer[org.apache.spark.unsafe.types.UTF8String] [error] required: Seq[org.apache.spark.unsafe.types.UTF8String] [error] case null => LikeAll(e, patterns) [error] ^ [error] /home/runner/work/spark/spark/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala:1418:41: type mismatch; [error] found : scala.collection.mutable.Buffer[org.apache.spark.unsafe.types.UTF8String] [error] required: Seq[org.apache.spark.unsafe.types.UTF8String] [error] case _ => NotLikeAll(e, patterns) [error] ^ ``` ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? N/A Closes apache#30431 from sunchao/SPARK-33045-followup. Authored-by: Chao Sun <sunchao@apple.com> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org> * [MINOR] Structured Streaming statistics page indent fix ### What changes were proposed in this pull request? Structured Streaming statistics page code contains an indentation issue. This PR fixes it. ### Why are the changes needed? Indent fix. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Existing unit tests. Closes apache#30434 from gaborgsomogyi/STAT-INDENT-FIX. Authored-by: Gabor Somogyi <gabor.g.somogyi@gmail.com> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org> * [MINOR][DOCS] Document 'without' value for HADOOP_VERSION in pip installation ### What changes were proposed in this pull request? I believe it's self-descriptive. ### Why are the changes needed? To document supported features. ### Does this PR introduce _any_ user-facing change? Yes, the docs are updated. It's master only. ### How was this patch tested? Manually built the docs via `cd python/docs` and `make clean html`:  Closes apache#30436 from HyukjinKwon/minor-doc-fix. Authored-by: HyukjinKwon <gurwls223@apache.org> Signed-off-by: HyukjinKwon <gurwls223@apache.org> * [SPARK-32919][SHUFFLE][TEST-MAVEN][TEST-HADOOP2.7] Driver side changes for coordinating push based shuffle by selecting external shuffle services for merging partitions ### What changes were proposed in this pull request? Driver side changes for coordinating push based shuffle by selecting external shuffle services for merging partitions. This PR includes changes related to `ShuffleMapStage` preparation which is selection of merger locations and initializing them as part of `ShuffleDependency`. Currently this code is not used as some of the changes would come subsequently as part of https://issues.apache.org/jira/browse/SPARK-32917 (shuffle blocks push as part of `ShuffleMapTask`), https://issues.apache.org/jira/browse/SPARK-32918 (support for finalize API) and https://issues.apache.org/jira/browse/SPARK-32920 (finalization of push/merge phase). This is why the tests here are also partial, once these above mentioned changes are raised as PR we will have enough tests for DAGScheduler piece of code as well. ### Why are the changes needed? Added a new API in `SchedulerBackend` to get merger locations for push based shuffle. This is currently implemented for Yarn and other cluster managers can have separate implementations which is why a new API is introduced. ### Does this PR introduce _any_ user-facing change? Yes, user facing config to enable push based shuffle is introduced ### How was this patch tested? Added unit tests partially and some of the changes in DAGScheduler depends on future changes, DAGScheduler tests will be added along with those changes. Lead-authored-by: Venkata krishnan Sowrirajan vsowrirajanlinkedin.com Co-authored-by: Min Shen mshenlinkedin.com Closes apache#30164 from venkata91/upstream-SPARK-32919. Lead-authored-by: Venkata krishnan Sowrirajan <vsowrirajan@linkedin.com> Co-authored-by: Min Shen <mshen@linkedin.com> Signed-off-by: Mridul Muralidharan <mridul<at>gmail.com> * [SPARK-33441][BUILD][FOLLOWUP] Make unused-imports check for SBT specific ### What changes were proposed in this pull request? Move "unused-imports" check config to `SparkBuild.scala` and make it SBT specific. ### Why are the changes needed? Make unused-imports check for SBT specific. ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? Pass the Jenkins or GitHub Action Closes apache#30441 from LuciferYang/SPARK-33441-FOLLOWUP. Authored-by: yangjie01 <yangjie01@baidu.com> Signed-off-by: HyukjinKwon <gurwls223@apache.org> * [SPARK-32512][SQL][TESTS][FOLLOWUP] Remove duplicate tests for ALTER TABLE .. PARTITIONS from DataSourceV2SQLSuite ### What changes were proposed in this pull request? Remove tests from `DataSourceV2SQLSuite` that were copied to `AlterTablePartitionV2SQLSuite` by apache#29339. ### Why are the changes needed? - To reduce tests execution time - To improve test maintenance ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? By running the modified tests: ``` $ build/sbt "test:testOnly *DataSourceV2SQLSuite" $ build/sbt "test:testOnly *AlterTablePartitionV2SQLSuite" ``` Closes apache#30444 from MaxGekk/dedup-tests-AlterTablePartitionV2SQLSuite. Authored-by: Max Gekk <max.gekk@gmail.com> Signed-off-by: Wenchen Fan <wenchen@databricks.com> * [SPARK-33422][DOC] Fix the correct display of left menu item ### What changes were proposed in this pull request? Limit the height of the menu area on the left to display vertical scroll bar ### Why are the changes needed? The bottom menu item cannot be displayed when the left menu tree is long ### Does this PR introduce any user-facing change? Yes, if the menu item shows more, you'll see it by pulling down the vertical scroll bar before:  after:  ### How was this patch tested? NA Closes apache#30335 from liucht-inspur/master. Authored-by: liucht <liucht@inspur.com> Signed-off-by: HyukjinKwon <gurwls223@apache.org> * [SPARK-33468][SQL] ParseUrl in ANSI mode should fail if input string is not a valid url ### What changes were proposed in this pull request? With `ParseUrl`, instead of return null we throw exception if input string is not a vaild url. ### Why are the changes needed? For ANSI mode. ### Does this PR introduce _any_ user-facing change? Yes, user will get exception if `set spark.sql.ansi.enabled=true`. ### How was this patch tested? Add test. Closes apache#30399 from ulysses-you/SPARK-33468. Lead-authored-by: ulysses <youxiduo@weidian.com> Co-authored-by: ulysses-you <youxiduo@weidian.com> Signed-off-by: Wenchen Fan <wenchen@databricks.com> * [SPARK-28704][SQL][TEST] Add back Skiped HiveExternalCatalogVersionsSuite in HiveSparkSubmitSuite at JDK9+ ### What changes were proposed in this pull request? We skip test HiveExternalCatalogVersionsSuite when testing with JAVA_9 or later because our previous version does not support JAVA_9 or later. We now add it back since we have a version supports JAVA_9 or later. ### Why are the changes needed? To recover test coverage. ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? Check CI logs. Closes apache#30428 from AngersZhuuuu/SPARK-28704. Authored-by: angerszhu <angers.zhu@gmail.com> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org> * [SPARK-33466][ML][PYTHON] Imputer support mode(most_frequent) strategy ### What changes were proposed in this pull request? impl a new strategy `mode`: replace missing using the most frequent value along each column. ### Why are the changes needed? it is highly scalable, and had been a function in [sklearn.impute.SimpleImputer](https://scikit-learn.org/stable/modules/generated/sklearn.impute.SimpleImputer.html#sklearn.impute.SimpleImputer) for a long time. ### Does this PR introduce _any_ user-facing change? Yes, a new strategy is added ### How was this patch tested? updated testsuites Closes apache#30397 from zhengruifeng/imputer_max_freq. Lead-authored-by: Ruifeng Zheng <ruifengz@foxmail.com> Co-authored-by: zhengruifeng <ruifengz@foxmail.com> Signed-off-by: Sean Owen <srowen@gmail.com> * [MINOR][TESTS][DOCS] Use fully-qualified class name in docker integration test ### What changes were proposed in this pull request? change ``` ./build/sbt -Pdocker-integration-tests "testOnly *xxxIntegrationSuite" ``` to ``` ./build/sbt -Pdocker-integration-tests "testOnly org.apache.spark.sql.jdbc.xxxIntegrationSuite" ``` ### Why are the changes needed? We only want to start v1 ```xxxIntegrationSuite```, not the newly added```v2.xxxIntegrationSuite```. ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? Manually checked Closes apache#30448 from huaxingao/dockertest. Authored-by: Huaxin Gao <huaxing@us.ibm.com> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org> * [SPARK-33492][SQL] DSv2: Append/Overwrite/ReplaceTable should invalidate cache ### What changes were proposed in this pull request? This adds changes in the following places: - logic to also refresh caches referencing the target table in v2 `AppendDataExec`, `OverwriteByExpressionExec`, `OverwritePartitionsDynamicExec`, as well as their v1 fallbacks `AppendDataExecV1` and `OverwriteByExpressionExecV1`. - logic to invalidate caches referencing the target table in v2 `ReplaceTableAsSelectExec` and its atomic version `AtomicReplaceTableAsSelectExec`. These are only supported in v2 at the moment though. In addition to the above, in order to test the v1 write fallback behavior, I extended `InMemoryTableWithV1Fallback` to also support batch reads. ### Why are the changes needed? Currently in DataSource v2 we don't refresh or invalidate caches referencing the target table when the table content is changed by operations such as append, overwrite, or replace table. This is different from DataSource v1, and could potentially cause data correctness issue if the staled caches are queried later. ### Does this PR introduce _any_ user-facing change? Yes. Now When a data source v2 is cached (either directly or indirectly), all the relevant caches will be refreshed or invalidated if the table is replaced. ### How was this patch tested? Added unit tests for the new code path. Closes apache#30429 from sunchao/SPARK-33492. Authored-by: Chao Sun <sunchao@apple.com> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org> * [SPARK-32670][SQL] Group exception messages in Catalyst Analyzer in one file ### What changes were proposed in this pull request? Group all messages of `AnalysisExcpetions` created and thrown directly in org.apache.spark.sql.catalyst.analysis.Analyzer in one file. * Create a new object: `org.apache.spark.sql.CatalystErrors` with many exception-creating functions. * When the `Analyzer` wants to create and throw a new `AnalysisException`, call functions of `CatalystErrors` ### Why are the changes needed? This is the sample PR that groups exception messages together in several files. It will largely help with standardization of error messages and its maintenance. ### Does this PR introduce _any_ user-facing change? No. Error messages remain unchanged. ### How was this patch tested? No new tests - pass all original tests to make sure it doesn't break any existing behavior. ### Naming of exception functions All function names ended with `Error`. * For specific errors like `groupingIDMismatch` and `groupingColInvalid`, directly use them as name, just like `groupingIDMismatchError` and `groupingColInvalidError`. * For generic errors like `dataTypeMismatch`, * if confident with the context, prefix and condition can be added, like `pivotValDataTypeMismatchError` * if not sure about the context, add a `For` suffix of the specific component that this exception is related to, like `dataTypeMismatchForDeserializerError` Closes apache#29497 from anchovYu/32670. Lead-authored-by: anchovYu <aureole@sjtu.edu.cn> Co-authored-by: anchovYu <xyyu15@gmail.com> Signed-off-by: HyukjinKwon <gurwls223@apache.org> * [SPARK-33223][SS][FOLLOWUP] Clarify the meaning of "number of rows dropped by watermark" in SS UI page ### What changes were proposed in this pull request? This PR fixes the representation to clarify the meaning of "number of rows dropped by watermark" in SS UI page. ### Why are the changes needed? `Aggregated Number Of State Rows Dropped By Watermark` says that the dropped rows are from the state, whereas they're not. We say "evicted from the state" for the case, which is "normal" to emit outputs and reduce memory usage of the state. The metric actually represents the number of "input" rows dropped by watermark, and the meaning of "input" is relative to the "stateful operator". That's a bit confusing as we normally think "input" as "input from source" whereas it's not. ### Does this PR introduce _any_ user-facing change? Yes, UI element & tooltip change. ### How was this patch tested? Only text change in UI, so we know how thing will be changed intuitively. Closes apache#30439 from HeartSaVioR/SPARK-33223-FOLLOWUP. Authored-by: Jungtaek Lim (HeartSaVioR) <kabhwan.opensource@gmail.com> Signed-off-by: Jungtaek Lim (HeartSaVioR) <kabhwan.opensource@gmail.com> * [SPARK-33505][SQL][TESTS] Fix adding new partitions by INSERT INTO `InMemoryPartitionTable` ### What changes were proposed in this pull request? 1. Add a hook method to `addPartitionKey()` of `InMemoryTable` which is called per every row. 2. Override `addPartitionKey()` in `InMemoryPartitionTable`, and add partition key every time when new row is inserted to the table. ### Why are the changes needed? To be able to write unified tests for datasources V1 and V2. Currently, INSERT INTO a V1 table creates partitions but the same doesn't work for the custom catalog `InMemoryPartitionTableCatalog` used in DSv2 tests. ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? By running the affected test suite `DataSourceV2SQLSuite`. Closes apache#30449 from MaxGekk/insert-into-InMemoryPartitionTable. Authored-by: Max Gekk <max.gekk@gmail.com> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org> * [SPARK-32381][CORE][FOLLOWUP][TEST-HADOOP2.7] Don't remove SerializableFileStatus and SerializableBlockLocation for Hadoop 2.7 ### What changes were proposed in this pull request? Revert the change in apache#29959 and don't remove `SerializableFileStatus` and `SerializableBlockLocation`. ### Why are the changes needed? In Hadoop 2.7 `FileStatus` and `BlockLocation` are not serializable, so we still need the two wrapper classes. ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? N/A Closes apache#30447 from sunchao/SPARK-32381-followup. Authored-by: Chao Sun <sunchao@apple.com> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org> * Revert "[SPARK-28704][SQL][TEST] Add back Skiped HiveExternalCatalogVersionsSuite in HiveSparkSubmitSuite at JDK9+" This reverts commit 47326ac. * [SPARK-33463][SQL] Keep Job Id during incremental collect in Spark Thrift Server ### What changes were proposed in this pull request? When enabling **spark.sql.thriftServer.incrementalCollect** Job Ids get lost and tracing queries in Spark Thrift Server ends up being too complicated. ### Why are the changes needed? Because it will make easier tracing Spark Thrift Server queries. ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? The current tests are enough. No need of more tests. Closes apache#30390 from gumartinm/master. Authored-by: Gustavo Martin Morcuende <gu.martinm@gmail.com> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org> * [SPARK-28704][SQL][TEST] Add back Skiped HiveExternalCatalogVersionsSuite in HiveSparkSubmitSuite at JDK9+ ### What changes were proposed in this pull request? We skip test HiveExternalCatalogVersionsSuite when testing with JAVA_9 or later because our previous version does not support JAVA_9 or later. We now add it back since we have a version supports JAVA_9 or later. ### Why are the changes needed? To recover test coverage. ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? Check CI logs. Closes apache#30451 from AngersZhuuuu/SPARK-28704. Authored-by: angerszhu <angers.zhu@gmail.com> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org> * [SPARK-31962][SQL] Provide modifiedAfter and modifiedBefore options when filtering from a batch-based file data source ### What changes were proposed in this pull request? Two new options, _modifiiedBefore_ and _modifiedAfter_, is provided expecting a value in 'YYYY-MM-DDTHH:mm:ss' format. _PartioningAwareFileIndex_ considers these options during the process of checking for files, just before considering applied _PathFilters_ such as `pathGlobFilter.` In order to filter file results, a new PathFilter class was derived for this purpose. General house-keeping around classes extending PathFilter was performed for neatness. It became apparent support was needed to handle multiple potential path filters. Logic was introduced for this purpose and the associated tests written. ### Why are the changes needed? When loading files from a data source, there can often times be thousands of file within a respective file path. In many cases I've seen, we want to start loading from a folder path and ideally be able to begin loading files having modification dates past a certain point. This would mean out of thousands of potential files, only the ones with modification dates greater than the specified timestamp would be considered. This saves a ton of time automatically and reduces significant complexity managing this in code. ### Does this PR introduce _any_ user-facing change? This PR introduces an option that can be used with batch-based Spark file data sources. A documentation update was made to reflect an example and usage of the new data source option. **Example Usages** _Load all CSV files modified after date:_ `spark.read.format("csv").option("modifiedAfter","2020-06-15T05:00:00").load()` _Load all CSV files modified before date:_ `spark.read.format("csv").option("modifiedBefore","2020-06-15T05:00:00").load()` _Load all CSV files modified between two dates:_ `spark.read.format("csv").option("modifiedAfter","2019-01-15T05:00:00").option("modifiedBefore","2020-06-15T05:00:00").load() ` ### How was this patch tested? A handful of unit tests were added to support the positive, negative, and edge case code paths. It's also live in a handful of our Databricks dev environments. (quoted from cchighman) Closes apache#30411 from HeartSaVioR/SPARK-31962. Lead-authored-by: CC Highman <christopher.highman@microsoft.com> Co-authored-by: Jungtaek Lim (HeartSaVioR) <kabhwan.opensource@gmail.com> Signed-off-by: Jungtaek Lim (HeartSaVioR) <kabhwan.opensource@gmail.com> * [SPARK-33469][SQL] Add current_timezone function ### What changes were proposed in this pull request? Add a `CurrentTimeZone` function and replace the value at `Optimizer` side. ### Why are the changes needed? Let user get current timezone easily. Then user can call ``` SELECT current_timezone() ``` Presto: https://prestodb.io/docs/current/functions/datetime.html SQL Server: https://docs.microsoft.com/en-us/sql/t-sql/functions/current-timezone-transact-sql?view=sql-server-ver15 ### Does this PR introduce _any_ user-facing change? Yes, a new function. ### How was this patch tested? Add test. Closes apache#30400 from ulysses-you/SPARK-33469. Lead-authored-by: ulysses <youxiduo@weidian.com> Co-authored-by: ulysses-you <youxiduo@weidian.com> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org> * [SPARK-33512][BUILD] Upgrade test libraries ### What changes were proposed in this pull request? This PR aims to update the test libraries. - ScalaTest: 3.2.0 -> 3.2.3 - JUnit: 4.12 -> 4.13.1 - Mockito: 3.1.0 -> 3.4.6 - JMock: 2.8.4 -> 2.12.0 - maven-surefire-plugin: 3.0.0-M3 -> 3.0.0-M5 - scala-maven-plugin: 4.3.0 -> 4.4.0 ### Why are the changes needed? This will make the test frameworks up-to-date for Apache Spark 3.1.0. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Pass the CIs. Closes apache#30456 from dongjoon-hyun/SPARK-33512. Authored-by: Dongjoon Hyun <dongjoon@apache.org> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org> * [MINOR][INFRA] Suppress warning in check-license ### What changes were proposed in this pull request? This PR aims to suppress the warning `File exists` in check-license ### Why are the changes needed? **BEFORE** ``` % dev/check-license Attempting to fetch rat RAT checks passed. % dev/check-license mkdir: target: File exists RAT checks passed. ``` **AFTER** ``` % dev/check-license Attempting to fetch rat RAT checks passed. % dev/check-license RAT checks passed. ``` ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Manually do dev/check-license twice. Closes apache#30460 from williamhyun/checklicense. Authored-by: William Hyun <williamhyun3@gmail.com> Signed-off-by: HyukjinKwon <gurwls223@apache.org> * [SPARK-33427][SQL][FOLLOWUP] Put key and value into IdentityHashMap sequantially ### What changes were proposed in this pull request? This follow-up fixes an issue when inserting key/value pairs into `IdentityHashMap` in `SubExprEvaluationRuntime`. ### Why are the changes needed? The last commits to apache#30341 follows review comment to use `IdentityHashMap`. Because we leverage `IdentityHashMap` to compare keys in reference, we should not convert expression pairs to Scala map before inserting. Scala map compares keys by equality so we will loss keys with different references. ### Does this PR introduce _any_ user-facing change? No ### How was this patch tested? Run benchmark to verify. Closes apache#30459 from viirya/SPARK-33427-map. Authored-by: Liang-Chi Hsieh <viirya@gmail.com> Signed-off-by: HyukjinKwon <gurwls223@apache.org> * [SPARK-33143][PYTHON] Add configurable timeout to python server and client ### What changes were proposed in this pull request? Spark creates local server to serialize several type of data for python. The python code tries to connect to the server, immediately after it's created but there are several system calls in between (this may change in each Spark version): * getaddrinfo * socket * settimeout * connect Under some circumstances in heavy user environments these calls can be super slow (more than 15 seconds). These issues must be analyzed one-by-one but since these are system calls the underlying OS and/or DNS servers must be debugged and fixed. This is not trivial task and at the same time data processing must work somehow. In this PR I'm only intended to add a configuration possibility to increase the mentioned timeouts in order to be able to provide temporary workaround. The rootcause analysis is ongoing but I think this can vary in each case. Because the server part doesn't contain huge amount of log entries to with one can measure time, I've added some. ### Why are the changes needed? Provide workaround when localhost python server connection timeout appears. ### Does this PR introduce _any_ user-facing change? Yes, new configuration added. ### How was this patch tested? Existing unit tests + manual test. ``` #Compile Spark echo "spark.io.encryption.enabled true" >> conf/spark-defaults.conf echo "spark.python.authenticate.socketTimeout 10" >> conf/spark-defaults.conf $ ./bin/pyspark Python 3.8.5 (default, Jul 21 2020, 10:48:26) [Clang 11.0.3 (clang-1103.0.32.62)] on darwin Type "help", "copyright", "credits" or "license" for more information. 20/11/20 10:17:03 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable Setting default log level to "WARN". To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use setLogLevel(newLevel). 20/11/20 10:17:03 WARN SparkEnv: I/O encryption enabled without RPC encryption: keys will be visible on the wire. Welcome to ____ __ / __/__ ___ _____/ /__ _\ \/ _ \/ _ `/ __/ '_/ /__ / .__/\_,_/_/ /_/\_\ version 3.1.0-SNAPSHOT /_/ Using Python version 3.8.5 (default, Jul 21 2020 10:48:26) Spark context Web UI available at http://192.168.0.189:4040 Spark context available as 'sc' (master = local[*], app id = local-1605863824276). SparkSession available as 'spark'. >>> sc.setLogLevel("TRACE") >>> sc.parallelize([0, 2, 3, 4, 6], 5).glom().collect() 20/11/20 10:17:09 TRACE PythonParallelizeServer: Creating listening socket 20/11/20 10:17:09 TRACE PythonParallelizeServer: Setting timeout to 10 sec 20/11/20 10:17:09 TRACE PythonParallelizeServer: Waiting for connection on port 59726 20/11/20 10:17:09 TRACE PythonParallelizeServer: Connection accepted from address /127.0.0.1:59727 20/11/20 10:17:09 TRACE PythonParallelizeServer: Client authenticated 20/11/20 10:17:09 TRACE PythonParallelizeServer: Closing server ... 20/11/20 10:17:10 TRACE SocketFuncServer: Creating listening socket 20/11/20 10:17:10 TRACE SocketFuncServer: Setting timeout to 10 sec 20/11/20 10:17:10 TRACE SocketFuncServer: Waiting for connection on port 59735 20/11/20 10:17:10 TRACE SocketFuncServer: Connection accepted from address /127.0.0.1:59736 20/11/20 10:17:10 TRACE SocketFuncServer: Client authenticated 20/11/20 10:17:10 TRACE SocketFuncServer: Closing server [[0], [2], [3], [4], [6]] >>> ``` Closes apache#30389 from gaborgsomogyi/SPARK-33143. Lead-authored-by: Gabor Somogyi <gabor.g.somogyi@gmail.com> Co-authored-by: Hyukjin Kwon <gurwls223@gmail.com> Co-authored-by: HyukjinKwon <gurwls223@apache.org> Signed-off-by: HyukjinKwon <gurwls223@apache.org> * [SPARK-33510][BUILD] Update SBT to 1.4.4 ### What changes were proposed in this pull request? This PR aims to update SBT from 1.4.2 to 1.4.4. ### Why are the changes needed? This will bring the latest bug fixes. - https://github.com/sbt/sbt/releases/tag/v1.4.3 - https://github.com/sbt/sbt/releases/tag/v1.4.4 ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Pass the CIs. Closes apache#30453 from williamhyun/sbt143. Authored-by: William Hyun <williamhyun3@gmail.com> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org> * Revert "[SPARK-32481][CORE][SQL] Support truncate table to move data to trash" ### What changes were proposed in this pull request? This reverts commit 065f173, which is not part of any released version. That is, this is an unreleased feature ### Why are the changes needed? I like the concept of Trash, but I think this PR might just resolve a very specific issue by introducing a mechanism without a proper design doc. This could make the usage more complex. I think we need to consider the big picture. Trash directory is an important concept. If we decide to introduce it, we should consider all the code paths of Spark SQL that could delete the data, instead of Truncate only. We also need to consider what is the current behavior if the underlying file system does not provide the API `Trash.moveToAppropriateTrash`. Is the exception good? How about the performance when users are using the object store instead of HDFS? Will it impact the GDPR compliance? In sum, I think we should not merge the PR apache#29552 without the design doc and implementation plan. That is why I reverted it before the code freeze of Spark 3.1 ### Does this PR introduce _any_ user-facing change? Reverted the original commit ### How was this patch tested? The existing tests. Closes apache#30463 from gatorsmile/revertSpark-32481. Authored-by: Xiao Li <gatorsmile@gmail.com> Signed-off-by: HyukjinKwon <gurwls223@apache.org> * [SPARK-33515][SQL] Improve exception messages while handling UnresolvedTable ### What changes were proposed in this pull request? This PR proposes to improve the exception messages while `UnresolvedTable` is handled based on this suggestion: apache#30321 (comment). Currently, when an identifier is resolved to a view when a table is expected, the following exception message is displayed (e.g., for `COMMENT ON TABLE`): ``` v is a temp view not table. ``` After this PR, the message will be: ``` v is a temp view. 'COMMENT ON TABLE' expects a table. ``` Also, if an identifier is not resolved, the following exception message is currently used: ``` Table not found: t ``` After this PR, the message will be: ``` Table not found for 'COMMENT ON TABLE': t ``` ### Why are the changes needed? To improve the exception message. ### Does this PR introduce _any_ user-facing change? Yes, the exception message will be changed as described above. ### How was this patch tested? Updated existing tests. Closes apache#30461 from imback82/unresolved_table_message. Authored-by: Terry Kim <yuminkim@gmail.com> Signed-off-by: Wenchen Fan <wenchen@databricks.com> * [SPARK-33511][SQL] Respect case sensitivity while resolving V2 partition specs ### What changes were proposed in this pull request? 1. Pre-process partition specs in `ResolvePartitionSpec`, and convert partition names according to the partition schema and the SQL config `spark.sql.caseSensitive`. In the PR, I propose to invoke `normalizePartitionSpec` for that. The function is used in DSv1 commands, so, the behavior will be similar to DSv1. 2. Move `normalizePartitionSpec()` from `sql/core/.../datasources/PartitioningUtils` to `sql/catalyst/.../util/PartitioningUtils` to use it in Catalyst's rule `ResolvePartitionSpec` ### Why are the changes needed? DSv1 commands like `ALTER TABLE .. ADD PARTITION` and `ALTER TABLE .. DROP PARTITION` respect the SQL config `spark.sql.caseSensitive` while resolving partition specs. For example: ```sql spark-sql> CREATE TABLE tbl1 (id bigint, data string) USING parquet PARTITIONED BY (id); spark-sql> ALTER TABLE tbl1 ADD PARTITION (ID=1); spark-sql> SHOW PARTITIONS tbl1; id=1 ``` The same command fails on V2 Table catalog with error: ``` AnalysisException: Partition key ID not exists ``` ### Does this PR introduce _any_ user-facing change? Yes. After the changes, partition spec resolution works as for DSv1 (without the exception showed above). ### How was this patch tested? By running `AlterTablePartitionV2SQLSuite`. Closes apache#30454 from MaxGekk/partition-spec-case-sensitivity. Authored-by: Max Gekk <max.gekk@gmail.com> Signed-off-by: Wenchen Fan <wenchen@databricks.com> * [SPARK-33278][SQL][FOLLOWUP] Improve OptimizeWindowFunctions to avoid transfer first to nth_value ### What changes were proposed in this pull request? apache#30178 provided `OptimizeWindowFunctions` used to transfer `first` to `nth_value`. If the window frame is `UNBOUNDED PRECEDING AND CURRENT ROW` or `UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING`, `nth_value` has better performance than `first`. But the `OptimizeWindowFunctions` need to exclude other window frame. ### Why are the changes needed? Improve `OptimizeWindowFunctions` to avoid transfer `first` to `nth_value` if the specified window frame isn't `UNBOUNDED PRECEDING AND CURRENT ROW` or `UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING`. ### Does this PR introduce _any_ user-facing change? 'No'. ### How was this patch tested? Jenkins test. Closes apache#30419 from beliefer/SPARK-33278_followup. Lead-authored-by: gengjiaan <gengjiaan@360.cn> Co-authored-by: beliefer <beliefer@163.com> Signed-off-by: Wenchen Fan <wenchen@databricks.com> Co-authored-by: Chao Sun <sunchao@apple.com> Co-authored-by: Gabor Somogyi <gabor.g.somogyi@gmail.com> Co-authored-by: HyukjinKwon <gurwls223@apache.org> Co-authored-by: Venkata krishnan Sowrirajan <vsowrirajan@linkedin.com> Co-authored-by: Min Shen <mshen@linkedin.com> Co-authored-by: yangjie01 <yangjie01@baidu.com> Co-authored-by: Max Gekk <max.gekk@gmail.com> Co-authored-by: liucht <liucht@inspur.com> Co-authored-by: ulysses <youxiduo@weidian.com> Co-authored-by: angerszhu <angers.zhu@gmail.com> Co-authored-by: Ruifeng Zheng <ruifengz@foxmail.com> Co-authored-by: Huaxin Gao <huaxing@us.ibm.com> Co-authored-by: anchovYu <aureole@sjtu.edu.cn> Co-authored-by: anchovYu <xyyu15@gmail.com> Co-authored-by: Jungtaek Lim (HeartSaVioR) <kabhwan.opensource@gmail.com> Co-authored-by: Dongjoon Hyun <dongjoon@apache.org> Co-authored-by: Gustavo Martin Morcuende <gu.martinm@gmail.com> Co-authored-by: CC Highman <christopher.highman@microsoft.com> Co-authored-by: William Hyun <williamhyun3@gmail.com> Co-authored-by: Liang-Chi Hsieh <viirya@gmail.com> Co-authored-by: Hyukjin Kwon <gurwls223@gmail.com> Co-authored-by: Xiao Li <gatorsmile@gmail.com> Co-authored-by: Terry Kim <yuminkim@gmail.com> Co-authored-by: gengjiaan <gengjiaan@360.cn> Co-authored-by: beliefer <beliefer@163.com>
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