Commit graph

5279 commits

Author SHA1 Message Date
Dongjoon Hyun 270916f8cd
[SPARK-26584][SQL] Remove spark.sql.orc.copyBatchToSpark internal conf
## What changes were proposed in this pull request?

This PR aims to remove internal ORC configuration to simplify the code path for Spark 3.0.0. This removes the configuration `spark.sql.orc.copyBatchToSpark` and related ORC codes including tests and benchmarks.

## How was this patch tested?

Pass the Jenkins with the reduced test coverage.

Closes #23503 from dongjoon-hyun/SPARK-26584.

Authored-by: Dongjoon Hyun <dongjoon@apache.org>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
2019-01-10 08:42:23 -08:00
Sean Owen 2f8a938805 [SPARK-26539][CORE] Remove spark.memory.useLegacyMode and StaticMemoryManager
## What changes were proposed in this pull request?

Remove spark.memory.useLegacyMode and StaticMemoryManager. Update tests that used the StaticMemoryManager to equivalent use of UnifiedMemoryManager.

## How was this patch tested?

Existing tests, with modifications to make them work with a different mem manager.

Closes #23457 from srowen/SPARK-26539.

Authored-by: Sean Owen <sean.owen@databricks.com>
Signed-off-by: Sean Owen <sean.owen@databricks.com>
2019-01-10 08:57:44 -06:00
Jamison Bennett 1a47233f99 [SPARK-26493][SQL] Allow multiple spark.sql.extensions
## What changes were proposed in this pull request?

Allow multiple spark.sql.extensions to be specified in the
configuration.

## How was this patch tested?

New tests are added.

Closes #23398 from jamisonbennett/SPARK-26493.

Authored-by: Jamison Bennett <jamison.bennett@gmail.com>
Signed-off-by: Hyukjin Kwon <gurwls223@apache.org>
2019-01-10 10:23:03 +08:00
maryannxue 2d01bccbd4 [SPARK-26065][FOLLOW-UP][SQL] Fix the Failure when having two Consecutive Hints
## What changes were proposed in this pull request?

This is to fix a bug in https://github.com/apache/spark/pull/23036, which would lead to an exception in case of two consecutive hints.

## How was this patch tested?

Added a new test.

Closes #23501 from maryannxue/query-hint-followup.

Authored-by: maryannxue <maryannxue@apache.org>
Signed-off-by: gatorsmile <gatorsmile@gmail.com>
2019-01-09 14:31:26 -08:00
Wenchen Fan e853afb416 [SPARK-26448][SQL] retain the difference between 0.0 and -0.0
## What changes were proposed in this pull request?

In https://github.com/apache/spark/pull/23043 , we introduced a behavior change: Spark users are not able to distinguish 0.0 and -0.0 anymore.

This PR proposes an alternative fix to the original bug, to retain the difference between 0.0 and -0.0 inside Spark.

The idea is, we can rewrite the window partition key, join key and grouping key during logical phase, to normalize the special floating numbers. Thus only operators care about special floating numbers need to pay the perf overhead, and end users can distinguish -0.0.

## How was this patch tested?

existing test

Closes #23388 from cloud-fan/minor.

Authored-by: Wenchen Fan <wenchen@databricks.com>
Signed-off-by: gatorsmile <gatorsmile@gmail.com>
2019-01-09 13:50:32 -08:00
Peter Toth 49c062b2e0
[SPARK-25484][SQL][TEST] Refactor ExternalAppendOnlyUnsafeRowArrayBenchmark
## What changes were proposed in this pull request?

Refactor ExternalAppendOnlyUnsafeRowArrayBenchmark to use main method.

## How was this patch tested?

Manually tested and regenerated results.
Please note that `spark.memory.debugFill` setting has a huge impact on this benchmark. Since it is set to true by default when running the benchmark from SBT, we need to disable it:
```
SPARK_GENERATE_BENCHMARK_FILES=1 build/sbt ";project sql;set javaOptions in Test += \"-Dspark.memory.debugFill=false\";test:runMain org.apache.spark.sql.execution.ExternalAppendOnlyUnsafeRowArrayBenchmark"
```

Closes #22617 from peter-toth/SPARK-25484.

Lead-authored-by: Peter Toth <peter.toth@gmail.com>
Co-authored-by: Peter Toth <ptoth@hortonworks.com>
Co-authored-by: Dongjoon Hyun <dongjoon@apache.org>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
2019-01-09 09:54:21 -08:00
Gengliang Wang 311f32f37f [SPARK-26571][SQL] Update Hive Serde mapping with canonical name of Parquet and Orc FileFormat
## What changes were proposed in this pull request?

Currently Spark table maintains Hive catalog storage format, so that Hive client can read it.  In `HiveSerDe.scala`, Spark uses a mapping from its data source to HiveSerde. The mapping is old, we need to update with latest canonical name of Parquet and Orc FileFormat.

Otherwise the following queries will result in wrong Serde value in Hive table(default value `org.apache.hadoop.mapred.SequenceFileInputFormat`), and Hive client will fail to read the output table:
```
df.write.format("org.apache.spark.sql.execution.datasources.parquet.ParquetFileFormat").saveAsTable(..)
```

```
df.write.format("org.apache.spark.sql.execution.datasources.orc.OrcFileFormat").saveAsTable(..)
```

This minor PR is to fix the mapping.

## How was this patch tested?

Unit test.

Closes #23491 from gengliangwang/fixHiveSerdeMap.

Authored-by: Gengliang Wang <gengliang.wang@databricks.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
2019-01-09 10:18:33 +08:00
Marcelo Vanzin 2783e4c45f [SPARK-24522][UI] Create filter to apply HTTP security checks consistently.
Currently there is code scattered in a bunch of places to do different
things related to HTTP security, such as access control, setting
security-related headers, and filtering out bad content. This makes it
really easy to miss these things when writing new UI code.

This change creates a new filter that does all of those things, and
makes sure that all servlet handlers that are attached to the UI get
the new filter and any user-defined filters consistently. The extent
of the actual features should be the same as before.

The new filter is added at the end of the filter chain, because authentication
is done by custom filters and thus needs to happen first. This means that
custom filters see unfiltered HTTP requests - which is actually the current
behavior anyway.

As a side-effect of some of the code refactoring, handlers added after
the initial set also get wrapped with a GzipHandler, which didn't happen
before.

Tested with added unit tests and in a history server with SPNEGO auth
configured.

Closes #23302 from vanzin/SPARK-24522.

Authored-by: Marcelo Vanzin <vanzin@cloudera.com>
Signed-off-by: Imran Rashid <irashid@cloudera.com>
2019-01-08 11:25:33 -06:00
“attilapiros” c101182b10 [SPARK-26002][SQL] Fix day of year calculation for Julian calendar days
## What changes were proposed in this pull request?

Fixing leap year calculations for date operators (year/month/dayOfYear) where the Julian calendars are used (before 1582-10-04). In a Julian calendar every years which are multiples of 4 are leap years (there is no extra exception for years multiples of 100).

## How was this patch tested?

With a unit test ("SPARK-26002: correct day of year calculations for Julian calendar years") which focuses to these corner cases.

Manually:

```
scala> sql("select year('1500-01-01')").show()

+------------------------------+
|year(CAST(1500-01-01 AS DATE))|
+------------------------------+
|                          1500|
+------------------------------+

scala> sql("select dayOfYear('1100-01-01')").show()

+-----------------------------------+
|dayofyear(CAST(1100-01-01 AS DATE))|
+-----------------------------------+
|                                  1|
+-----------------------------------+
```

Closes #23000 from attilapiros/julianOffByDays.

Authored-by: “attilapiros” <piros.attila.zsolt@gmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
2019-01-09 01:24:47 +08:00
Wenchen Fan 72a572ffd6 [SPARK-26323][SQL] Scala UDF should still check input types even if some inputs are of type Any
## What changes were proposed in this pull request?

For Scala UDF, when checking input nullability, we will skip inputs with type `Any`, and only check the inputs that provide nullability info.

We should do the same for checking input types.

## How was this patch tested?

new tests

Closes #23275 from cloud-fan/udf.

Authored-by: Wenchen Fan <wenchen@databricks.com>
Signed-off-by: Hyukjin Kwon <gurwls223@apache.org>
2019-01-08 22:44:33 +08:00
Hyukjin Kwon 5102ccc4ab [SPARK-26339][SQL][FOLLOW-UP] Issue warning instead of throwing an exception for underscore files
## What changes were proposed in this pull request?

The PR https://github.com/apache/spark/pull/23446 happened to introduce a behaviour change - empty dataframes can't be read anymore from underscore files. It looks controversial to allow or disallow this case so this PR targets to fix to issue warning instead of throwing an exception to be more conservative.

**Before**

```scala
scala> spark.read.schema("a int").parquet("_tmp*").show()
org.apache.spark.sql.AnalysisException: All paths were ignored:
file:/.../_tmp
  file:/.../_tmp1;
  at org.apache.spark.sql.execution.datasources.DataSource.checkAndGlobPathIfNecessary(DataSource.scala:570)
  at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:360)
  at org.apache.spark.sql.DataFrameReader.loadV1Source(DataFrameReader.scala:231)
  at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:219)
  at org.apache.spark.sql.DataFrameReader.parquet(DataFrameReader.scala:651)
  at org.apache.spark.sql.DataFrameReader.parquet(DataFrameReader.scala:635)
  ... 49 elided

scala> spark.read.text("_tmp*").show()
org.apache.spark.sql.AnalysisException: All paths were ignored:
file:/.../_tmp
  file:/.../_tmp1;
  at org.apache.spark.sql.execution.datasources.DataSource.checkAndGlobPathIfNecessary(DataSource.scala:570)
  at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:360)
  at org.apache.spark.sql.DataFrameReader.loadV1Source(DataFrameReader.scala:231)
  at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:219)
  at org.apache.spark.sql.DataFrameReader.text(DataFrameReader.scala:723)
  at org.apache.spark.sql.DataFrameReader.text(DataFrameReader.scala:695)
  ... 49 elided
```

**After**

```scala
scala> spark.read.schema("a int").parquet("_tmp*").show()
19/01/07 15:14:43 WARN DataSource: All paths were ignored:
  file:/.../_tmp
  file:/.../_tmp1
+---+
|  a|
+---+
+---+

scala> spark.read.text("_tmp*").show()
19/01/07 15:14:51 WARN DataSource: All paths were ignored:
  file:/.../_tmp
  file:/.../_tmp1
+-----+
|value|
+-----+
+-----+
```

## How was this patch tested?

Manually tested as above.

Closes #23481 from HyukjinKwon/SPARK-26339.

Authored-by: Hyukjin Kwon <gurwls223@apache.org>
Signed-off-by: gatorsmile <gatorsmile@gmail.com>
2019-01-07 15:48:54 -08:00
Marco Gaido 1a641525e6 [SPARK-26491][CORE][TEST] Use ConfigEntry for hardcoded configs for test categories
## What changes were proposed in this pull request?

The PR makes hardcoded `spark.test` and `spark.testing` configs to use `ConfigEntry` and put them in the config package.

## How was this patch tested?

existing UTs

Closes #23413 from mgaido91/SPARK-26491.

Authored-by: Marco Gaido <marcogaido91@gmail.com>
Signed-off-by: Marcelo Vanzin <vanzin@cloudera.com>
2019-01-07 15:35:33 -08:00
maryannxue 98be8953c7 [SPARK-26065][SQL] Change query hint from a LogicalPlan to a field
## What changes were proposed in this pull request?

The existing query hint implementation relies on a logical plan node `ResolvedHint` to store query hints in logical plans, and on `Statistics` in physical plans. Since `ResolvedHint` is not really a logical operator and can break the pattern matching for existing and future optimization rules, it is a issue to the Optimizer as the old `AnalysisBarrier` was to the Analyzer.

Given the fact that all our query hints are either 1) a join hint, i.e., broadcast hint; or 2) a re-partition hint, which is indeed an operator, we only need to add a hint field on the Join plan and that will be a good enough solution for the current hint usage.

This PR is to let `Join` node have a hint for its left sub-tree and another hint for its right sub-tree and each hint is a merged result of all the effective hints specified in the corresponding sub-tree. The "effectiveness" of a hint, i.e., whether that hint should be propagated to the `Join` node, is currently consistent with the hint propagation rules originally implemented in the `Statistics` approach. Note that the `ResolvedHint` node still has to live through the analysis stage because of the `Dataset` interface, but it will be got rid of and moved to the `Join` node in the "pre-optimization" stage.

This PR also introduces a change in how hints work with join reordering. Before this PR, hints would stop join reordering. For example, in "a.join(b).join(c).hint("broadcast").join(d)", the broadcast hint would stop d from participating in the cost-based join reordering while still allowing reordering from under the hint node. After this PR, though, the broadcast hint will not interfere with join reordering at all, and after reordering if a relation associated with a hint stays unchanged or equivalent to the original relation, the hint will be retained, otherwise will be discarded. For example, the original plan is like "a.join(b).hint("broadcast").join(c).hint("broadcast").join(d)", thus the join order is "a JOIN b JOIN c JOIN d". So if after reordering the join order becomes "a JOIN b JOIN (c JOIN d)", the plan will be like "a.join(b).hint("broadcast").join(c.join(d))"; but if after reordering the join order becomes "a JOIN c JOIN b JOIN d", the plan will be like "a.join(c).join(b).hint("broadcast").join(d)".

## How was this patch tested?

Added new tests.

Closes #23036 from maryannxue/query-hint.

Authored-by: maryannxue <maryannxue@apache.org>
Signed-off-by: gatorsmile <gatorsmile@gmail.com>
2019-01-07 13:59:40 -08:00
ayudovin 868e02533d [SPARK-26383][CORE] NPE when use DataFrameReader.jdbc with wrong URL
### What changes were proposed in this pull request?
When passing wrong url to jdbc then It would throw IllegalArgumentException instead of NPE.
### How was this patch tested?
Adding test case to Existing tests in JDBCSuite

Closes #23464 from ayudovin/fixing-npe.

Authored-by: ayudovin <a.yudovin6695@gmail.com>
Signed-off-by: Sean Owen <sean.owen@databricks.com>
2019-01-07 08:58:33 -06:00
Dongjoon Hyun 61133cb8a6
[SPARK-26536][BUILD][FOLLOWUP][TEST-MAVEN] Make StreamingReadSupport public for maven testing
## What changes were proposed in this pull request?

`StreamingReadSupport` is designed to be a `package` interface. Mockito seems to complain during `Maven` testing. This doesn't fail in `sbt` and IntelliJ. For mock-testing purpose, this PR makes it `public` interface and adds explicit comments like `public interface ReadSupport`

```scala
EpochCoordinatorSuite:
*** RUN ABORTED ***
  java.lang.IllegalAccessError: tried to
access class org.apache.spark.sql.sources.v2.reader.streaming.StreamingReadSupport
from class org.apache.spark.sql.sources.v2.reader.streaming.ContinuousReadSupport$MockitoMock$58628338
  at org.apache.spark.sql.sources.v2.reader.streaming.ContinuousReadSupport$MockitoMock$58628338.<clinit>(Unknown Source)
  at sun.reflect.GeneratedSerializationConstructorAccessor632.newInstance(Unknown Source)
  at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
  at org.objenesis.instantiator.sun.SunReflectionFactoryInstantiator.newInstance(SunReflectionFactoryInstantiator.java:48)
  at org.objenesis.ObjenesisBase.newInstance(ObjenesisBase.java:73)
  at org.mockito.internal.creation.instance.ObjenesisInstantiator.newInstance(ObjenesisInstantiator.java:19)
  at org.mockito.internal.creation.bytebuddy.SubclassByteBuddyMockMaker.createMock(SubclassByteBuddyMockMaker.java:47)
  at org.mockito.internal.creation.bytebuddy.ByteBuddyMockMaker.createMock(ByteBuddyMockMaker.java:25)
  at org.mockito.internal.util.MockUtil.createMock(MockUtil.java:35)
  at org.mockito.internal.MockitoCore.mock(MockitoCore.java:69)
```

## How was this patch tested?

Pass the Jenkins with Maven build

Closes #23463 from dongjoon-hyun/SPARK-26536-2.

Authored-by: Dongjoon Hyun <dongjoon@apache.org>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
2019-01-06 21:00:10 -08:00
Maxim Gekk b305d71625
[SPARK-26547][SQL] Remove duplicate toHiveString from HiveUtils
## What changes were proposed in this pull request?

The `toHiveString()` and `toHiveStructString` methods were removed from `HiveUtils` because they have been already implemented in `HiveResult`. One related test was moved to `HiveResultSuite`.

## How was this patch tested?

By tests from `hive-thriftserver`.

Closes #23466 from MaxGekk/dedup-hive-result-string.

Authored-by: Maxim Gekk <max.gekk@gmail.com>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
2019-01-06 17:36:06 -08:00
Hirobe Keiichi 9d8e9b394b [SPARK-26339][SQL] Throws better exception when reading files that start with underscore
## What changes were proposed in this pull request?
My pull request #23288 was resolved and merged to master, but it turned out  later that my change breaks another regression test. Because we cannot reopen pull request, I create a new pull request here.
Commit 92934b4 is only change after pull request #23288.
`CheckFileExist` was avoided at 239cfa4 after discussing #23288 (comment).
But, that change turned out to be wrong because we should not check if argument checkFileExist is false.

Test 27e42c1de5/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala (L2555)
failed when we avoided checkFileExist, but now successed after commit 92934b4 .

## How was this patch tested?
Both of below tests were passed.
```
testOnly org.apache.spark.sql.execution.datasources.csv.CSVSuite
testOnly org.apache.spark.sql.SQLQuerySuite
```

Closes #23446 from KeiichiHirobe/SPARK-26339.

Authored-by: Hirobe Keiichi <keiichi_hirobe@forcia.com>
Signed-off-by: Sean Owen <sean.owen@databricks.com>
2019-01-06 08:52:09 -06:00
Dave DeCaprio a17851cb95 [SPARK-26548][SQL] Don't hold CacheManager write lock while computing executedPlan
## What changes were proposed in this pull request?

Address SPARK-26548, in Spark 2.4.0, the CacheManager holds a write lock while computing the executedPlan for a cached logicalPlan.  In some cases with very large query plans this can be an expensive operation, taking minutes to run.  The entire cache is blocked during this time.  This PR changes that so the writeLock is only obtained after the executedPlan is generated, this reduces the time the lock is held to just the necessary time when the shared data structure is being updated.

gatorsmile and cloud-fan - You can committed patches in this area before.  This is a small incremental change.

## How was this patch tested?

Has been tested on a live system where the blocking was causing major issues and it is working well.
 CacheManager has no explicit unit test but is used in many places internally as part of the SharedState.

Closes #23469 from DaveDeCaprio/optimizer-unblocked.

Lead-authored-by: Dave DeCaprio <daved@alum.mit.edu>
Co-authored-by: David DeCaprio <daved@alum.mit.edu>
Signed-off-by: gatorsmile <gatorsmile@gmail.com>
2019-01-05 19:20:35 -08:00
Marco Gaido 1af1190bee
[SPARK-26078][SQL][FOLLOWUP] Remove useless import
## What changes were proposed in this pull request?

While backporting the patch to 2.4/2.3, I realized that the patch introduces unneeded imports (probably leftovers from intermediate changes). This PR removes the useless import.

## How was this patch tested?

NA

Closes #23451 from mgaido91/SPARK-26078_FOLLOWUP.

Authored-by: Marco Gaido <marcogaido91@gmail.com>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
2019-01-05 01:14:58 -08:00
Dongjoon Hyun e15a319ccd
[SPARK-26536][BUILD][TEST] Upgrade Mockito to 2.23.4
## What changes were proposed in this pull request?

This PR upgrades Mockito from 1.10.19 to 2.23.4. The following changes are required.

- Replace `org.mockito.Matchers` with `org.mockito.ArgumentMatchers`
- Replace `anyObject` with `any`
- Replace `getArgumentAt` with `getArgument` and add type annotation.
- Use `isNull` matcher in case of `null` is invoked.
```scala
     saslHandler.channelInactive(null);
-    verify(handler).channelInactive(any(TransportClient.class));
+    verify(handler).channelInactive(isNull());
```

- Make and use `doReturn` wrapper to avoid [SI-4775](https://issues.scala-lang.org/browse/SI-4775)
```scala
private def doReturn(value: Any) = org.mockito.Mockito.doReturn(value, Seq.empty: _*)
```

## How was this patch tested?

Pass the Jenkins with the existing tests.

Closes #23452 from dongjoon-hyun/SPARK-26536.

Authored-by: Dongjoon Hyun <dongjoon@apache.org>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
2019-01-04 19:23:38 -08:00
Liu,Linhong f65dc9593e [SPARK-26526][SQL][TEST] Fix invalid test case about non-deterministic expression
## What changes were proposed in this pull request?

Test case in SPARK-10316 is used to make sure non-deterministic `Filter` won't be pushed through `Project`
But in current code base this test case can't cover this purpose.
Change LogicalRDD to HadoopFsRelation can fix this issue.

## How was this patch tested?

Modified test pass.

Closes #23440 from LinhongLiu/fix-test.

Authored-by: Liu,Linhong <liulinhong@baidu.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
2019-01-04 10:51:33 +08:00
Gengliang Wang e2dbafdbc5 [SPARK-26447][SQL] Allow OrcColumnarBatchReader to return less partition columns
## What changes were proposed in this pull request?

Currently OrcColumnarBatchReader returns all the partition column values in the batch read.
In data source V2, we can improve it by returning the required partition column values only.

This PR is part of https://github.com/apache/spark/pull/23383 . As cloud-fan suggested, create a new PR to make review easier.

Also, this PR doesn't improve `OrcFileFormat`, since in the method `buildReaderWithPartitionValues`, the `requiredSchema` filter out all the partition columns, so we can't know which partition column is required.

## How was this patch tested?

Unit test

Closes #23387 from gengliangwang/refactorOrcColumnarBatch.

Lead-authored-by: Gengliang Wang <gengliang.wang@databricks.com>
Co-authored-by: Gengliang Wang <ltnwgl@gmail.com>
Co-authored-by: Dongjoon Hyun <dongjoon@apache.org>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
2019-01-04 00:37:03 +08:00
Liang-Chi Hsieh 40711eef16 [SPARK-26517][SQL][TEST] Avoid duplicate test in ParquetSchemaPruningSuite
## What changes were proposed in this pull request?

`testExactCaseQueryPruning` and `testMixedCaseQueryPruning` don't need to set up `PARQUET_VECTORIZED_READER_ENABLED` config. Because `withMixedCaseData` will run against both Spark vectorized reader and Parquet-mr reader.

## How was this patch tested?

Existing test.

Closes #23427 from viirya/fix-parquet-schema-pruning-test.

Authored-by: Liang-Chi Hsieh <viirya@gmail.com>
Signed-off-by: Sean Owen <sean.owen@databricks.com>
2019-01-03 10:30:47 -06:00
Maxim Gekk 2a30deb85a [SPARK-26502][SQL] Move hiveResultString() from QueryExecution to HiveResult
## What changes were proposed in this pull request?

In the PR, I propose to move `hiveResultString()` out of `QueryExecution` and put it to a separate object.

Closes #23409 from MaxGekk/hive-result-string.

Lead-authored-by: Maxim Gekk <maxim.gekk@databricks.com>
Co-authored-by: Maxim Gekk <max.gekk@gmail.com>
Signed-off-by: Herman van Hovell <hvanhovell@databricks.com>
2019-01-03 11:27:40 +01:00
Hyukjin Kwon 56967b7e28 [SPARK-26403][SQL] Support pivoting using array column for pivot(column) API
## What changes were proposed in this pull request?

This PR fixes `pivot(Column)` can accepts `collection.mutable.WrappedArray`.

Note that we return `collection.mutable.WrappedArray` from `ArrayType`, and `Literal.apply` doesn't support this.

We can unwrap the array and use it for type dispatch.

```scala
val df = Seq(
  (2, Seq.empty[String]),
  (2, Seq("a", "x")),
  (3, Seq.empty[String]),
  (3, Seq("a", "x"))).toDF("x", "s")
df.groupBy("x").pivot("s").count().show()
```

Before:

```
Unsupported literal type class scala.collection.mutable.WrappedArray$ofRef WrappedArray()
java.lang.RuntimeException: Unsupported literal type class scala.collection.mutable.WrappedArray$ofRef WrappedArray()
	at org.apache.spark.sql.catalyst.expressions.Literal$.apply(literals.scala:80)
	at org.apache.spark.sql.RelationalGroupedDataset.$anonfun$pivot$2(RelationalGroupedDataset.scala:427)
	at scala.collection.TraversableLike.$anonfun$map$1(TraversableLike.scala:237)
	at scala.collection.IndexedSeqOptimized.foreach(IndexedSeqOptimized.scala:36)
	at scala.collection.IndexedSeqOptimized.foreach$(IndexedSeqOptimized.scala:33)
	at scala.collection.mutable.WrappedArray.foreach(WrappedArray.scala:39)
	at scala.collection.TraversableLike.map(TraversableLike.scala:237)
	at scala.collection.TraversableLike.map$(TraversableLike.scala:230)
	at scala.collection.AbstractTraversable.map(Traversable.scala:108)
	at org.apache.spark.sql.RelationalGroupedDataset.pivot(RelationalGroupedDataset.scala:425)
	at org.apache.spark.sql.RelationalGroupedDataset.pivot(RelationalGroupedDataset.scala:406)
	at org.apache.spark.sql.RelationalGroupedDataset.pivot(RelationalGroupedDataset.scala:317)
	at org.apache.spark.sql.DataFramePivotSuite.$anonfun$new$1(DataFramePivotSuite.scala:341)
	at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
```

After:

```
+---+---+------+
|  x| []|[a, x]|
+---+---+------+
|  3|  1|     1|
|  2|  1|     1|
+---+---+------+
```

## How was this patch tested?

Manually tested and unittests were added.

Closes #23349 from HyukjinKwon/SPARK-26403.

Authored-by: Hyukjin Kwon <gurwls223@apache.org>
Signed-off-by: Hyukjin Kwon <gurwls223@apache.org>
2019-01-03 11:01:54 +08:00
Maxim Gekk 8be4d24a27 [SPARK-26023][SQL][FOLLOWUP] Dumping truncated plans and generated code to a file
## What changes were proposed in this pull request?

`DataSourceScanExec` overrides "wrong" `treeString` method without `append`. In the PR, I propose to make `treeString`s **final** to prevent such mistakes in the future. And removed the `treeString` and `verboseString` since they both use `simpleString` with reduction.

## How was this patch tested?

It was tested by `DataSourceScanExecRedactionSuite`

Closes #23431 from MaxGekk/datasource-scan-exec-followup.

Authored-by: Maxim Gekk <maxim.gekk@databricks.com>
Signed-off-by: gatorsmile <gatorsmile@gmail.com>
2019-01-02 16:57:10 -08:00
seancxmao d40654861b [SPARK-26277][SQL][TEST] WholeStageCodegen metrics should be tested with whole-stage codegen enabled
## What changes were proposed in this pull request?
In `org.apache.spark.sql.execution.metric.SQLMetricsSuite`, there's a test case named "WholeStageCodegen metrics". However, it is executed with whole-stage codegen disabled. This PR fixes this by enable whole-stage codegen for this test case.

## How was this patch tested?
Tested locally using exiting test cases.

Closes #23224 from seancxmao/codegen-metrics.

Authored-by: seancxmao <seancxmao@gmail.com>
Signed-off-by: Sean Owen <sean.owen@databricks.com>
2019-01-02 15:45:14 -06:00
Hyukjin Kwon 39a0493387 [SPARK-26227][R] from_[csv|json] should accept schema_of_[csv|json] in R API
## What changes were proposed in this pull request?

**1. Document `from_csv(..., schema_of_csv(...))` support:**

```R
csv <- "Amsterdam,2018"
df <- sql(paste0("SELECT '", csv, "' as csv"))
head(select(df, from_csv(df$csv, schema_of_csv(csv))))
```

```
    from_csv(csv)
1 Amsterdam, 2018
```

**2. Allow `from_json(..., schema_of_json(...))`**

Before:

```R
df2 <- sql("SELECT named_struct('name', 'Bob') as people")
df2 <- mutate(df2, people_json = to_json(df2$people))
head(select(df2, from_json(df2$people_json, schema_of_json(head(df2)$people_json))))
```

```
Error in (function (classes, fdef, mtable)  :
  unable to find an inherited method for function ‘from_json’ for signature ‘"Column", "Column"’
```

After:

```R
df2 <- sql("SELECT named_struct('name', 'Bob') as people")
df2 <- mutate(df2, people_json = to_json(df2$people))
head(select(df2, from_json(df2$people_json, schema_of_json(head(df2)$people_json))))
```

```
  from_json(people_json)
1                    Bob
```

**3. (While I'm here) Allow `structType` as schema for `from_csv` support to match with `from_json`.**

Before:

```R
csv <- "Amsterdam,2018"
df <- sql(paste0("SELECT '", csv, "' as csv"))
head(select(df, from_csv(df$csv, structType("city STRING, year INT"))))
```

```
Error in (function (classes, fdef, mtable)  :
  unable to find an inherited method for function ‘from_csv’ for signature ‘"Column", "structType"’
```

After:

```R
csv <- "Amsterdam,2018"
df <- sql(paste0("SELECT '", csv, "' as csv"))
head(select(df, from_csv(df$csv, structType("city STRING, year INT"))))
```

```
    from_csv(csv)
1 Amsterdam, 2018
```

## How was this patch tested?

Manually tested and unittests were added.

Closes #23184 from HyukjinKwon/SPARK-26227-1.

Authored-by: Hyukjin Kwon <gurwls223@apache.org>
Signed-off-by: Hyukjin Kwon <gurwls223@apache.org>
2019-01-02 08:01:34 +08:00
Thomas D'Silva 5f0ddd2d6e [SPARK-26499][SQL] JdbcUtils.makeGetter does not handle ByteType
…Type

## What changes were proposed in this pull request?
Modifed JdbcUtils.makeGetter to handle ByteType.

## How was this patch tested?

Added a new test to JDBCSuite that maps ```TINYINT``` to ```ByteType```.

Closes #23400 from twdsilva/tiny_int_support.

Authored-by: Thomas D'Silva <tdsilva@apache.org>
Signed-off-by: Hyukjin Kwon <gurwls223@apache.org>
2019-01-01 14:11:14 +08:00
Hyukjin Kwon f7455618ce Revert "[SPARK-26339][SQL] Throws better exception when reading files that start with underscore"
This reverts commit c0b9db120d.
2019-01-01 09:29:28 +08:00
Herman van Hovell c0368363f8 [SPARK-26495][SQL] Simplify the SelectedField extractor.
## What changes were proposed in this pull request?
The current `SelectedField` extractor is somewhat complicated and it seems to be handling cases that should be handled automatically:

- `GetArrayItem(child: GetStructFieldObject())`
- `GetArrayStructFields(child: GetArrayStructFields())`
- `GetMap(value: GetStructFieldObject())`

This PR removes those cases and simplifies the extractor by passing down the data type instead of a field.

## How was this patch tested?
Existing tests.

Closes #23397 from hvanhovell/SPARK-26495.

Authored-by: Herman van Hovell <hvanhovell@databricks.com>
Signed-off-by: Herman van Hovell <hvanhovell@databricks.com>
2018-12-31 17:46:06 +01:00
Hirobe Keiichi c0b9db120d [SPARK-26339][SQL] Throws better exception when reading files that start with underscore
## What changes were proposed in this pull request?
As the description in SPARK-26339, spark.read behavior is very confusing when reading files that start with underscore,  fix this by throwing exception which message is "Path does not exist".

## How was this patch tested?
manual tests.
Both of codes below throws exception which message is "Path does not exist".
```
spark.read.csv("/home/forcia/work/spark/_test.csv")
spark.read.schema("test STRING, number INT").csv("/home/forcia/work/spark/_test.csv")
```

Closes #23288 from KeiichiHirobe/SPARK-26339.

Authored-by: Hirobe Keiichi <keiichi_hirobe@forcia.com>
Signed-off-by: Sean Owen <sean.owen@databricks.com>
2018-12-31 10:15:14 -06:00
Maxim Gekk 89c92ccc20 [SPARK-26504][SQL] Rope-wise dumping of Spark plans
## What changes were proposed in this pull request?

Proposed new class `StringConcat` for converting a sequence of strings to string with one memory allocation in the `toString` method.  `StringConcat` replaces `StringBuilderWriter` in methods of dumping of Spark plans and codegen to strings.

All `Writer` arguments are replaced by `String => Unit` in methods related to Spark plans stringification.

## How was this patch tested?

It was tested by existing suites `QueryExecutionSuite`, `DebuggingSuite` as well as new tests for `StringConcat` in `StringUtilsSuite`.

Closes #23406 from MaxGekk/rope-plan.

Authored-by: Maxim Gekk <maxim.gekk@databricks.com>
Signed-off-by: Herman van Hovell <hvanhovell@databricks.com>
2018-12-31 16:39:46 +01:00
seancxmao 0996b7c95a [SPARK-23375][SQL][FOLLOWUP][TEST] Test Sort metrics while Sort is missing
## What changes were proposed in this pull request?
#20560/[SPARK-23375](https://issues.apache.org/jira/browse/SPARK-23375) introduced an optimizer rule to eliminate redundant Sort. For a test case named "Sort metrics" in `SQLMetricsSuite`, because range is already sorted, sort is removed by the `RemoveRedundantSorts`, which makes this test case meaningless.

This PR modifies the query for testing Sort metrics and checks Sort exists in the plan.

## How was this patch tested?
Modify the existing test case.

Closes #23258 from seancxmao/sort-metrics.

Authored-by: seancxmao <seancxmao@gmail.com>
Signed-off-by: Sean Owen <sean.owen@databricks.com>
2018-12-31 08:24:18 -06:00
Hyukjin Kwon e63243df8a
[SPARK-26496][SS][TEST] Avoid to use Random.nextString in StreamingInnerJoinSuite
## What changes were proposed in this pull request?

Similar with https://github.com/apache/spark/pull/21446. Looks random string is not quite safe as a directory name.

```scala
scala> val prefix = Random.nextString(10); val dir = new File("/tmp", "del_" + prefix + "-" + UUID.randomUUID.toString); dir.mkdirs()
prefix: String = 窽텘⒘駖ⵚ駢⡞Ρ닋੎
dir: java.io.File = /tmp/del_窽텘⒘駖ⵚ駢⡞Ρ닋੎-a3f99855-c429-47a0-a108-47bca6905745
res40: Boolean = false  // nope, didn't like this one
```

## How was this patch tested?

Unit test was added, and manually.

Closes #23405 from HyukjinKwon/SPARK-26496.

Authored-by: Hyukjin Kwon <gurwls223@apache.org>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
2018-12-29 12:11:45 -08:00
Maxim Gekk a1c1dd3484 [SPARK-26191][SQL] Control truncation of Spark plans via maxFields parameter
## What changes were proposed in this pull request?

In the PR, I propose to add `maxFields` parameter to all functions involved in creation of textual representation of spark plans such as `simpleString` and `verboseString`. New parameter restricts number of fields converted to truncated strings. Any elements beyond the limit will be dropped and replaced by a `"... N more fields"` placeholder. The threshold is bumped up to `Int.MaxValue` for `toFile()`.

## How was this patch tested?

Added a test to `QueryExecutionSuite` which checks `maxFields` impacts on number of truncated fields in `LocalRelation`.

Closes #23159 from MaxGekk/to-file-max-fields.

Lead-authored-by: Maxim Gekk <max.gekk@gmail.com>
Co-authored-by: Maxim Gekk <maxim.gekk@databricks.com>
Signed-off-by: Herman van Hovell <hvanhovell@databricks.com>
2018-12-27 11:13:16 +01:00
Liang-Chi Hsieh f89cdec8b9 [SPARK-26435][SQL] Support creating partitioned table using Hive CTAS by specifying partition column names
## What changes were proposed in this pull request?

Spark SQL doesn't support creating partitioned table using Hive CTAS in SQL syntax. However it is supported by using DataFrameWriter API.

```scala
val df = Seq(("a", 1)).toDF("part", "id")
df.write.format("hive").partitionBy("part").saveAsTable("t")
```
Hive begins to support this syntax in newer version: https://issues.apache.org/jira/browse/HIVE-20241:

```
CREATE TABLE t PARTITIONED BY (part) AS SELECT 1 as id, "a" as part
```

This patch adds this support to SQL syntax.

## How was this patch tested?

Added tests.

Closes #23376 from viirya/hive-ctas-partitioned-table.

Authored-by: Liang-Chi Hsieh <viirya@gmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
2018-12-27 16:03:14 +08:00
Maxim Gekk 7c7fccfeb5 [SPARK-26424][SQL] Use java.time API in date/timestamp expressions
## What changes were proposed in this pull request?

In the PR, I propose to switch the `DateFormatClass`, `ToUnixTimestamp`, `FromUnixTime`, `UnixTime` on java.time API for parsing/formatting dates and timestamps. The API has been already implemented by the `Timestamp`/`DateFormatter` classes. One of benefit is those classes support parsing timestamps with microsecond precision. Old behaviour can be switched on via SQL config: `spark.sql.legacy.timeParser.enabled` (`false` by default).

## How was this patch tested?

It was tested by existing test suites - `DateFunctionsSuite`, `DateExpressionsSuite`, `JsonSuite`, `CsvSuite`, `SQLQueryTestSuite` as well as PySpark tests.

Closes #23358 from MaxGekk/new-time-cast.

Lead-authored-by: Maxim Gekk <maxim.gekk@databricks.com>
Co-authored-by: Maxim Gekk <max.gekk@gmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
2018-12-27 11:09:50 +08:00
Maxim Gekk 1008ab0801 [SPARK-26178][SPARK-26243][SQL][FOLLOWUP] Replacing SimpleDateFormat by DateTimeFormatter in comments
## What changes were proposed in this pull request?

The PRs #23150 and #23196 switched JSON and CSV datasources on new formatter for dates/timestamps which is based on `DateTimeFormatter`. In this PR, I replaced `SimpleDateFormat` by `DateTimeFormatter` to reflect the changes.

Closes #23374 from MaxGekk/java-time-docs.

Authored-by: Maxim Gekk <max.gekk@gmail.com>
Signed-off-by: Hyukjin Kwon <gurwls223@apache.org>
2018-12-24 10:47:47 +08:00
DB Tsai a5a24d92bd
[SPARK-26402][SQL] Accessing nested fields with different cases in case insensitive mode
## What changes were proposed in this pull request?

GetStructField with different optional names should be semantically equal. We will use this as building block to compare the nested fields used in the plans to be optimized by catalyst optimizer.

This PR also fixes a bug below that accessing nested fields with different cases in case insensitive mode will result `AnalysisException`.

```
sql("create table t (s struct<i: Int>) using json")
sql("select s.I from t group by s.i")
```
which is currently failing
```
org.apache.spark.sql.AnalysisException: expression 'default.t.`s`' is neither present in the group by, nor is it an aggregate function
```
as cloud-fan pointed out.

## How was this patch tested?

New tests are added.

Closes #23353 from dbtsai/nestedEqual.

Lead-authored-by: DB Tsai <d_tsai@apple.com>
Co-authored-by: DB Tsai <dbtsai@dbtsai.com>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
2018-12-22 10:35:14 -08:00
Dongjoon Hyun ceff0c8450
[SPARK-26428][SS][TEST] Minimize deprecated ProcessingTime usage
## What changes were proposed in this pull request?

Use of `ProcessingTime` class was deprecated in favor of `Trigger.ProcessingTime` in Spark 2.2. And, [SPARK-21464](https://issues.apache.org/jira/browse/SPARK-21464) minimized it at 2.2.1. Recently, it grows again in test suites. This PR aims to clean up newly introduced deprecation warnings for Spark 3.0.

## How was this patch tested?

Pass the Jenkins with existing tests and manually check the warnings.

Closes #23367 from dongjoon-hyun/SPARK-26428.

Authored-by: Dongjoon Hyun <dongjoon@apache.org>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
2018-12-22 00:43:59 -08:00
Wenchen Fan bba506f8f4 [SPARK-26216][SQL][FOLLOWUP] use abstract class instead of trait for UserDefinedFunction
## What changes were proposed in this pull request?

A followup of https://github.com/apache/spark/pull/23178 , to keep binary compability by using abstract class.

## How was this patch tested?

Manual test. I created a simple app with Spark 2.4
```
object TryUDF {
  def main(args: Array[String]): Unit = {
    val spark = SparkSession.builder().appName("test").master("local[*]").getOrCreate()
    import spark.implicits._
    val f1 = udf((i: Int) => i + 1)
    println(f1.deterministic)
    spark.range(10).select(f1.asNonNullable().apply($"id")).show()
    spark.stop()
  }
}
```

When I run it with current master, it fails with
```
java.lang.IncompatibleClassChangeError: Found interface org.apache.spark.sql.expressions.UserDefinedFunction, but class was expected
```

When I run it with this PR, it works

Closes #23351 from cloud-fan/minor.

Authored-by: Wenchen Fan <wenchen@databricks.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
2018-12-22 10:16:27 +08:00
Hyukjin Kwon 305e9b5ad2 [SPARK-26422][R] Support to disable Hive support in SparkR even for Hadoop versions unsupported by Hive fork
## What changes were proposed in this pull request?

Currently,  even if I explicitly disable Hive support in SparkR session as below:

```r
sparkSession <- sparkR.session("local[4]", "SparkR", Sys.getenv("SPARK_HOME"),
                               enableHiveSupport = FALSE)
```

produces when the Hadoop version is not supported by our Hive fork:

```
java.lang.reflect.InvocationTargetException
...
Caused by: java.lang.IllegalArgumentException: Unrecognized Hadoop major version number: 3.1.1.3.1.0.0-78
	at org.apache.hadoop.hive.shims.ShimLoader.getMajorVersion(ShimLoader.java:174)
	at org.apache.hadoop.hive.shims.ShimLoader.loadShims(ShimLoader.java:139)
	at org.apache.hadoop.hive.shims.ShimLoader.getHadoopShims(ShimLoader.java:100)
	at org.apache.hadoop.hive.conf.HiveConf$ConfVars.<clinit>(HiveConf.java:368)
	... 43 more
Error in handleErrors(returnStatus, conn) :
  java.lang.ExceptionInInitializerError
	at org.apache.hadoop.hive.conf.HiveConf.<clinit>(HiveConf.java:105)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:348)
	at org.apache.spark.util.Utils$.classForName(Utils.scala:193)
	at org.apache.spark.sql.SparkSession$.hiveClassesArePresent(SparkSession.scala:1116)
	at org.apache.spark.sql.api.r.SQLUtils$.getOrCreateSparkSession(SQLUtils.scala:52)
	at org.apache.spark.sql.api.r.SQLUtils.getOrCreateSparkSession(SQLUtils.scala)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
```

The root cause is that:

```
SparkSession.hiveClassesArePresent
```

check if the class is loadable or not to check if that's in classpath but `org.apache.hadoop.hive.conf.HiveConf` has a check for Hadoop version as static logic which is executed right away. This throws an `IllegalArgumentException` and that's not caught:

36edbac1c8/sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala (L1113-L1121)

So, currently, if users have a Hive built-in Spark with unsupported Hadoop version by our fork (namely 3+), there's no way to use SparkR even though it could work.

This PR just propose to change the order of bool comparison so that we can don't execute `SparkSession.hiveClassesArePresent` when:

  1. `enableHiveSupport` is explicitly disabled
  2. `spark.sql.catalogImplementation` is `in-memory`

so that we **only** check `SparkSession.hiveClassesArePresent` when Hive support is explicitly enabled by short circuiting.

## How was this patch tested?

It's difficult to write a test since we don't run tests against Hadoop 3 yet. See https://github.com/apache/spark/pull/21588. Manually tested.

Closes #23356 from HyukjinKwon/SPARK-26422.

Authored-by: Hyukjin Kwon <gurwls223@apache.org>
Signed-off-by: Hyukjin Kwon <gurwls223@apache.org>
2018-12-21 16:09:30 +08:00
liuxian 98ecda3e8e [MINOR][SQL] Locality does not need to be implemented
## What changes were proposed in this pull request?
`HadoopFileWholeTextReader` and  `HadoopFileLinesReader` will be eventually called in `FileSourceScanExec`.
In fact,  locality has been implemented in `FileScanRDD`,  even if we implement it in `HadoopFileWholeTextReader ` and  `HadoopFileLinesReader`,  it would be useless.
So I think these `TODO` can be removed.

## How was this patch tested?
N/A

Closes #23339 from 10110346/noneededtodo.

Authored-by: liuxian <liu.xian3@zte.com.cn>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
2018-12-21 13:01:14 +08:00
Gengliang Wang 6692bacf3e [SPARK-26409][SQL][TESTS] SQLConf should be serializable in test sessions
## What changes were proposed in this pull request?

`SQLConf` is supposed to be serializable. However, currently it is not  serializable in `WithTestConf`. `WithTestConf` uses the method `overrideConfs` in closure, while the classes which implements it (`TestHiveSessionStateBuilder` and `TestSQLSessionStateBuilder`) are not serializable.

This PR is to use a local variable to fix it.

## How was this patch tested?

Add unit test.

Closes #23352 from gengliangwang/serializableSQLConf.

Authored-by: Gengliang Wang <gengliang.wang@databricks.com>
Signed-off-by: gatorsmile <gatorsmile@gmail.com>
2018-12-20 10:05:56 -08:00
Marco Gaido 98c0ca7861 [SPARK-26308][SQL] Avoid cast of decimals for ScalaUDF
## What changes were proposed in this pull request?

Currently, when we infer the schema for scala/java decimals, we return as data type the `SYSTEM_DEFAULT` implementation, ie. the decimal type with precision 38 and scale 18. But this is not right, as we know nothing about the right precision and scale and these values can be not enough to store the data. This problem arises in particular with UDF, where we cast all the input of type `DecimalType` to a `DecimalType(38, 18)`: in case this is not enough, null is returned as input for the UDF.

The PR defines a custom handling for casting to the expected data types for ScalaUDF: the decimal precision and scale is picked from the input, so no casting to different and maybe wrong percision and scale happens.

## How was this patch tested?

added UTs

Closes #23308 from mgaido91/SPARK-26308.

Authored-by: Marco Gaido <marcogaido91@gmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
2018-12-20 14:17:44 +08:00
Liang-Chi Hsieh 5ad03607d1 [SPARK-25271][SQL] Hive ctas commands should use data source if it is convertible
## What changes were proposed in this pull request?

In Spark 2.3.0 and previous versions, Hive CTAS command will convert to use data source to write data into the table when the table is convertible. This behavior is controlled by the configs like HiveUtils.CONVERT_METASTORE_ORC and HiveUtils.CONVERT_METASTORE_PARQUET.

In 2.3.1, we drop this optimization by mistake in the PR [SPARK-22977](https://github.com/apache/spark/pull/20521/files#r217254430). Since that Hive CTAS command only uses Hive Serde to write data.

This patch adds this optimization back to Hive CTAS command. This patch adds OptimizedCreateHiveTableAsSelectCommand which uses data source to write data.

## How was this patch tested?

Added test.

Closes #22514 from viirya/SPARK-25271-2.

Authored-by: Liang-Chi Hsieh <viirya@gmail.com>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
2018-12-20 10:47:24 +08:00
Takeshi Yamamuro 61c443acd2 [SPARK-26262][SQL] Runs SQLQueryTestSuite on mixed config sets: WHOLESTAGE_CODEGEN_ENABLED and CODEGEN_FACTORY_MODE
## What changes were proposed in this pull request?
For better test coverage, this pr proposed to use the 4 mixed config sets of `WHOLESTAGE_CODEGEN_ENABLED` and `CODEGEN_FACTORY_MODE`  when running `SQLQueryTestSuite`:
1. WHOLESTAGE_CODEGEN_ENABLED=true, CODEGEN_FACTORY_MODE=CODEGEN_ONLY
2. WHOLESTAGE_CODEGEN_ENABLED=false, CODEGEN_FACTORY_MODE=CODEGEN_ONLY
3. WHOLESTAGE_CODEGEN_ENABLED=true, CODEGEN_FACTORY_MODE=NO_CODEGEN
4. WHOLESTAGE_CODEGEN_ENABLED=false, CODEGEN_FACTORY_MODE=NO_CODEGEN

This pr also moved some existing tests into `ExplainSuite` because explain output results are different between codegen and interpreter modes.

## How was this patch tested?
Existing tests.

Closes #23213 from maropu/InterpreterModeTest.

Authored-by: Takeshi Yamamuro <yamamuro@apache.org>
Signed-off-by: Wenchen Fan <wenchen@databricks.com>
2018-12-20 10:41:45 +08:00
Marco Gaido 834b860979 [SPARK-26366][SQL] ReplaceExceptWithFilter should consider NULL as False
## What changes were proposed in this pull request?

In `ReplaceExceptWithFilter` we do not consider properly the case in which the condition returns NULL. Indeed, in that case, since negating NULL still returns NULL, so it is not true the assumption that negating the condition returns all the rows which didn't satisfy it, rows returning NULL may not be returned. This happens when constraints inferred by `InferFiltersFromConstraints` are not enough, as it happens with `OR` conditions.

The rule had also problems with non-deterministic conditions: in such a scenario, this rule would change the probability of the output.

The PR fixes these problem by:
 - returning False for the condition when it is Null (in this way we do return all the rows which didn't satisfy it);
 - avoiding any transformation when the condition is non-deterministic.

## How was this patch tested?

added UTs

Closes #23315 from mgaido91/SPARK-26366.

Authored-by: Marco Gaido <marcogaido91@gmail.com>
Signed-off-by: gatorsmile <gatorsmile@gmail.com>
2018-12-18 23:21:52 -08:00
Maxim Gekk 3c0bb6bc45 [SPARK-26384][SQL] Propagate SQL configs for CSV schema inferring
## What changes were proposed in this pull request?

Currently, SQL configs are not propagated to executors while schema inferring in CSV datasource. For example, changing of `spark.sql.legacy.timeParser.enabled` does not impact on inferring timestamp types. In the PR, I propose to fix the issue by wrapping schema inferring action using `SQLExecution.withSQLConfPropagated`.

## How was this patch tested?

Added logging to `TimestampFormatter`:
```patch
-object TimestampFormatter {
+object TimestampFormatter extends Logging {
   def apply(format: String, timeZone: TimeZone, locale: Locale): TimestampFormatter = {
     if (SQLConf.get.legacyTimeParserEnabled) {
+      logError("LegacyFallbackTimestampFormatter is being used")
       new LegacyFallbackTimestampFormatter(format, timeZone, locale)
     } else {
+      logError("Iso8601TimestampFormatter is being used")
       new Iso8601TimestampFormatter(format, timeZone, locale)
     }
   }
```
and run the command in `spark-shell`:
```shell
$ ./bin/spark-shell --conf spark.sql.legacy.timeParser.enabled=true
```
```scala
scala> Seq("2010|10|10").toDF.repartition(1).write.mode("overwrite").text("/tmp/foo")
scala> spark.read.option("inferSchema", "true").option("header", "false").option("timestampFormat", "yyyy|MM|dd").csv("/tmp/foo").printSchema()
18/12/18 10:47:27 ERROR TimestampFormatter: LegacyFallbackTimestampFormatter is being used
root
 |-- _c0: timestamp (nullable = true)
```

Closes #23345 from MaxGekk/csv-schema-infer-propagate-configs.

Authored-by: Maxim Gekk <maxim.gekk@databricks.com>
Signed-off-by: Hyukjin Kwon <gurwls223@apache.org>
2018-12-19 00:01:53 +08:00