| Commit message (Collapse) | Author | Age | Files | Lines |
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## What changes were proposed in this pull request?
This patch enables SparkSession to provide spark version.
## How was this patch tested?
Manual test:
```
scala> sc.version
res0: String = 2.1.0-SNAPSHOT
scala> spark.version
res1: String = 2.1.0-SNAPSHOT
```
```
>>> sc.version
u'2.1.0-SNAPSHOT'
>>> spark.version
u'2.1.0-SNAPSHOT'
```
Author: Liwei Lin <lwlin7@gmail.com>
Closes #14165 from lw-lin/add-version.
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## What changes were proposed in this pull request?
This PR exposes `sql` in PySpark Shell like Scala/R Shells for consistency.
**Background**
* Scala
```scala
scala> sql("select 1 a")
res0: org.apache.spark.sql.DataFrame = [a: int]
```
* R
```r
> sql("select 1")
SparkDataFrame[1:int]
```
**Before**
* Python
```python
>>> sql("select 1 a")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
NameError: name 'sql' is not defined
```
**After**
* Python
```python
>>> sql("select 1 a")
DataFrame[a: int]
```
## How was this patch tested?
Manual.
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #14190 from dongjoon-hyun/SPARK-16536.
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for ML
## What changes were proposed in this pull request?
General decisions to follow, except where noted:
* spark.mllib, pyspark.mllib: Remove all Experimental annotations. Leave DeveloperApi annotations alone.
* spark.ml, pyspark.ml
** Annotate Estimator-Model pairs of classes and companion objects the same way.
** For all algorithms marked Experimental with Since tag <= 1.6, remove Experimental annotation.
** For all algorithms marked Experimental with Since tag = 2.0, leave Experimental annotation.
* DeveloperApi annotations are left alone, except where noted.
* No changes to which types are sealed.
Exceptions where I am leaving items Experimental in spark.ml, pyspark.ml, mainly because the items are new:
* Model Summary classes
* MLWriter, MLReader, MLWritable, MLReadable
* Evaluator and subclasses: There is discussion of changes around evaluating multiple metrics at once for efficiency.
* RFormula: Its behavior may need to change slightly to match R in edge cases.
* AFTSurvivalRegression
* MultilayerPerceptronClassifier
DeveloperApi changes:
* ml.tree.Node, ml.tree.Split, and subclasses should no longer be DeveloperApi
## How was this patch tested?
N/A
Note to reviewers:
* spark.ml.clustering.LDA underwent significant changes (additional methods), so let me know if you want me to leave it Experimental.
* Be careful to check for cases where a class should no longer be Experimental but has an Experimental method, val, or other feature. I did not find such cases, but please verify.
Author: Joseph K. Bradley <joseph@databricks.com>
Closes #14147 from jkbradley/experimental-audit.
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## What changes were proposed in this pull request?
Currently, Spark `describe` supports `StringType`. However, `describe()` returns a dataset for only all numeric columns. This PR aims to include `StringType` columns in `describe()`, `describe` without argument.
**Background**
```scala
scala> spark.read.json("examples/src/main/resources/people.json").describe("age", "name").show()
+-------+------------------+-------+
|summary| age| name|
+-------+------------------+-------+
| count| 2| 3|
| mean| 24.5| null|
| stddev|7.7781745930520225| null|
| min| 19| Andy|
| max| 30|Michael|
+-------+------------------+-------+
```
**Before**
```scala
scala> spark.read.json("examples/src/main/resources/people.json").describe().show()
+-------+------------------+
|summary| age|
+-------+------------------+
| count| 2|
| mean| 24.5|
| stddev|7.7781745930520225|
| min| 19|
| max| 30|
+-------+------------------+
```
**After**
```scala
scala> spark.read.json("examples/src/main/resources/people.json").describe().show()
+-------+------------------+-------+
|summary| age| name|
+-------+------------------+-------+
| count| 2| 3|
| mean| 24.5| null|
| stddev|7.7781745930520225| null|
| min| 19| Andy|
| max| 30|Michael|
+-------+------------------+-------+
```
## How was this patch tested?
Pass the Jenkins with a update testcase.
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #14095 from dongjoon-hyun/SPARK-16429.
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## What changes were proposed in this pull request?
Adds an quoteAll option for writing CSV which will quote all fields.
See https://issues.apache.org/jira/browse/SPARK-13638
## How was this patch tested?
Added a test to verify the output columns are quoted for all fields in the Dataframe
Author: Jurriaan Pruis <email@jurriaanpruis.nl>
Closes #13374 from jurriaan/csv-quote-all.
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Repartition/RepartitionBy
## What changes were proposed in this pull request?
This PR improves `CollapseRepartition` to optimize the adjacent combinations of **Repartition** and **RepartitionBy**. Also, this PR adds a testsuite for this optimizer.
**Target Scenario**
```scala
scala> val dsView1 = spark.range(8).repartition(8, $"id")
scala> dsView1.createOrReplaceTempView("dsView1")
scala> sql("select id from dsView1 distribute by id").explain(true)
```
**Before**
```scala
scala> sql("select id from dsView1 distribute by id").explain(true)
== Parsed Logical Plan ==
'RepartitionByExpression ['id]
+- 'Project ['id]
+- 'UnresolvedRelation `dsView1`
== Analyzed Logical Plan ==
id: bigint
RepartitionByExpression [id#0L]
+- Project [id#0L]
+- SubqueryAlias dsview1
+- RepartitionByExpression [id#0L], 8
+- Range (0, 8, splits=8)
== Optimized Logical Plan ==
RepartitionByExpression [id#0L]
+- RepartitionByExpression [id#0L], 8
+- Range (0, 8, splits=8)
== Physical Plan ==
Exchange hashpartitioning(id#0L, 200)
+- Exchange hashpartitioning(id#0L, 8)
+- *Range (0, 8, splits=8)
```
**After**
```scala
scala> sql("select id from dsView1 distribute by id").explain(true)
== Parsed Logical Plan ==
'RepartitionByExpression ['id]
+- 'Project ['id]
+- 'UnresolvedRelation `dsView1`
== Analyzed Logical Plan ==
id: bigint
RepartitionByExpression [id#0L]
+- Project [id#0L]
+- SubqueryAlias dsview1
+- RepartitionByExpression [id#0L], 8
+- Range (0, 8, splits=8)
== Optimized Logical Plan ==
RepartitionByExpression [id#0L]
+- Range (0, 8, splits=8)
== Physical Plan ==
Exchange hashpartitioning(id#0L, 200)
+- *Range (0, 8, splits=8)
```
## How was this patch tested?
Pass the Jenkins tests (including a new testsuite).
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #13765 from dongjoon-hyun/SPARK-16052.
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## What changes were proposed in this pull request?
This PR fixes wrongly formatted examples in PySpark documentation as below:
- **`SparkSession`**
- **Before**
![2016-07-06 11 34 41](https://cloud.githubusercontent.com/assets/6477701/16605847/ae939526-436d-11e6-8ab8-6ad578362425.png)
- **After**
![2016-07-06 11 33 56](https://cloud.githubusercontent.com/assets/6477701/16605845/ace9ee78-436d-11e6-8923-b76d4fc3e7c3.png)
- **`Builder`**
- **Before**
![2016-07-06 11 34 44](https://cloud.githubusercontent.com/assets/6477701/16605844/aba60dbc-436d-11e6-990a-c87bc0281c6b.png)
- **After**
![2016-07-06 1 26 37](https://cloud.githubusercontent.com/assets/6477701/16607562/586704c0-437d-11e6-9483-e0af93d8f74e.png)
This PR also fixes several similar instances across the documentation in `sql` PySpark module.
## How was this patch tested?
N/A
Author: hyukjinkwon <gurwls223@gmail.com>
Closes #14063 from HyukjinKwon/minor-pyspark-builder.
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## What changes were proposed in this pull request?
Issue: Omitting the full classpath can cause problems when calling JVM methods or classes from pyspark.
This PR: Changed all uses of jvm.X in pyspark.ml and pyspark.mllib to use full classpath for X
## How was this patch tested?
Existing unit tests. Manual testing in an environment where this was an issue.
Author: Joseph K. Bradley <joseph@databricks.com>
Closes #14023 from jkbradley/SPARK-16348.
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not exist
## What changes were proposed in this pull request?
In structured streaming, Spark does not report errors when the specified directory does not exist. This is a behavior different from the batch mode. This patch changes the behavior to fail if the directory does not exist (when the path is not a glob pattern).
## How was this patch tested?
Updated unit tests to reflect the new behavior.
Author: Reynold Xin <rxin@databricks.com>
Closes #14002 from rxin/SPARK-16335.
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## What changes were proposed in this pull request?
This patch introduces a flag to disable loading test tables in TestHiveSparkSession and disables that in Python. This fixes an issue in which python/run-tests would fail due to failure to load test tables.
Note that these test tables are not used outside of HiveCompatibilitySuite. In the long run we should probably decouple the loading of test tables from the test Hive setup.
## How was this patch tested?
This is a test only change.
Author: Reynold Xin <rxin@databricks.com>
Closes #14005 from rxin/SPARK-15954.
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to PySpark linalg
The move to `ml.linalg` created `asML`/`fromML` utility methods in Scala/Java for converting between representations. These are missing in Python, this PR adds them.
## How was this patch tested?
New doctests.
Author: Nick Pentreath <nickp@za.ibm.com>
Closes #13997 from MLnick/SPARK-16328-python-linalg-convert.
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## What changes were proposed in this pull request?
Spark silently drops exceptions during file listing. This is a very bad behavior because it can mask legitimate errors and the resulting plan will silently have 0 rows. This patch changes it to not silently drop the errors.
## How was this patch tested?
Manually verified.
Author: Reynold Xin <rxin@databricks.com>
Closes #13987 from rxin/SPARK-16313.
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## What changes were proposed in this pull request?
This PR implements `posexplode` table generating function. Currently, master branch raises the following exception for `map` argument. It's different from Hive.
**Before**
```scala
scala> sql("select posexplode(map('a', 1, 'b', 2))").show
org.apache.spark.sql.AnalysisException: No handler for Hive UDF ... posexplode() takes an array as a parameter; line 1 pos 7
```
**After**
```scala
scala> sql("select posexplode(map('a', 1, 'b', 2))").show
+---+---+-----+
|pos|key|value|
+---+---+-----+
| 0| a| 1|
| 1| b| 2|
+---+---+-----+
```
For `array` argument, `after` is the same with `before`.
```
scala> sql("select posexplode(array(1, 2, 3))").show
+---+---+
|pos|col|
+---+---+
| 0| 1|
| 1| 2|
| 2| 3|
+---+---+
```
## How was this patch tested?
Pass the Jenkins tests with newly added testcases.
Author: Dongjoon Hyun <dongjoon@apache.org>
Closes #13971 from dongjoon-hyun/SPARK-16289.
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## What changes were proposed in this pull request?
Add Catalog.refreshTable API into python interface for Spark-SQL.
## How was this patch tested?
Existing test.
Author: WeichenXu <WeichenXu123@outlook.com>
Closes #13558 from WeichenXu123/update_python_sql_interface_refreshTable.
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## What changes were proposed in this pull request?
This PR corrects ORC compression option for PySpark as well. I think this was missed mistakenly in https://github.com/apache/spark/pull/13948.
## How was this patch tested?
N/A
Author: hyukjinkwon <gurwls223@gmail.com>
Closes #13963 from HyukjinKwon/minor-orc-compress.
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#### What changes were proposed in this pull request?
In Python API, we have the same issue. Thanks for identifying this issue, zsxwing ! Below is an example:
```Python
spark.read.format('json').load('python/test_support/sql/people.json')
```
#### How was this patch tested?
Existing test cases cover the changes by this PR
Author: gatorsmile <gatorsmile@gmail.com>
Closes #13965 from gatorsmile/optionPaths.
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to pyspark.sql.streaming
## What changes were proposed in this pull request?
- Moved DataStreamReader/Writer from pyspark.sql to pyspark.sql.streaming to make them consistent with scala packaging
- Exposed the necessary classes in sql.streaming package so that they appear in the docs
- Added pyspark.sql.streaming module to the docs
## How was this patch tested?
- updated unit tests.
- generated docs for testing visibility of pyspark.sql.streaming classes.
Author: Tathagata Das <tathagata.das1565@gmail.com>
Closes #13955 from tdas/SPARK-16266.
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## What changes were proposed in this pull request?
Fixed the following error:
```
>>> sqlContext.readStream
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "...", line 442, in readStream
return DataStreamReader(self._wrapped)
NameError: global name 'DataStreamReader' is not defined
```
## How was this patch tested?
The added test.
Author: Shixiong Zhu <shixiong@databricks.com>
Closes #13958 from zsxwing/fix-import.
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and `DataStreamWriter`
## What changes were proposed in this pull request?
Fixes a couple old references to `DataFrameWriter.startStream` to `DataStreamWriter.start
Author: Burak Yavuz <brkyvz@gmail.com>
Closes #13952 from brkyvz/minor-doc-fix.
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## What changes were proposed in this pull request?
Scala UDT will bypass all the null and will not pass them into serialize() and deserialize() of UDT, this PR update the Python UDT to do this as well.
## How was this patch tested?
Added tests.
Author: Davies Liu <davies@databricks.com>
Closes #13878 from davies/udt_null.
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## What changes were proposed in this pull request?
There are some duplicated code for options in DataFrame reader/writer API, this PR clean them up, it also fix a bug for `escapeQuotes` of csv().
## How was this patch tested?
Existing tests.
Author: Davies Liu <davies@databricks.com>
Closes #13948 from davies/csv_options.
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to the existing Scala SparkContext's SparkConf
## What changes were proposed in this pull request?
When we create a SparkSession at the Python side, it is possible that a SparkContext has been created. For this case, we need to set configs of the SparkSession builder to the Scala SparkContext's SparkConf (we need to do so because conf changes on a active Python SparkContext will not be propagated to the JVM side). Otherwise, we may create a wrong SparkSession (e.g. Hive support is not enabled even if enableHiveSupport is called).
## How was this patch tested?
New tests and manual tests.
Author: Yin Huai <yhuai@databricks.com>
Closes #13931 from yhuai/SPARK-16224.
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DataFrame (Python)
## What changes were proposed in this pull request?
This PR implements python wrappers for #13888 to convert old/new matrix columns in a DataFrame.
## How was this patch tested?
Doctest in python.
Author: Yanbo Liang <ybliang8@gmail.com>
Closes #13935 from yanboliang/spark-16242.
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Dataset.show function.
## What changes were proposed in this pull request?
Allowing truncate to a specific number of character is convenient at times, especially while operating from the REPL. Sometimes those last few characters make all the difference, and showing everything brings in whole lot of noise.
## How was this patch tested?
Existing tests. + 1 new test in DataFrameSuite.
For SparkR and pyspark, existing tests and manual testing.
Author: Prashant Sharma <prashsh1@in.ibm.com>
Author: Prashant Sharma <prashant@apache.org>
Closes #13839 from ScrapCodes/add_truncateTo_DF.show.
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## What changes were proposed in this pull request?
- Fix tests regarding show functions functionality
- Revert `catalog.ListFunctions` and `SHOW FUNCTIONS` to return to `Spark 1.X` functionality.
Cherry picked changes from this PR: https://github.com/apache/spark/pull/13413/files
## How was this patch tested?
Unit tests.
Author: Bill Chambers <bill@databricks.com>
Author: Bill Chambers <wchambers@ischool.berkeley.edu>
Closes #13916 from anabranch/master.
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## What changes were proposed in this pull request?
This PR fix the bug when Python UDF is used in explode (generator), GenerateExec requires that all the attributes in expressions should be resolvable from children when creating, we should replace the children first, then replace it's expressions.
```
>>> df.select(explode(f(*df))).show()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/vlad/dev/spark/python/pyspark/sql/dataframe.py", line 286, in show
print(self._jdf.showString(n, truncate))
File "/home/vlad/dev/spark/python/lib/py4j-0.10.1-src.zip/py4j/java_gateway.py", line 933, in __call__
File "/home/vlad/dev/spark/python/pyspark/sql/utils.py", line 63, in deco
return f(*a, **kw)
File "/home/vlad/dev/spark/python/lib/py4j-0.10.1-src.zip/py4j/protocol.py", line 312, in get_return_value
py4j.protocol.Py4JJavaError: An error occurred while calling o52.showString.
: org.apache.spark.sql.catalyst.errors.package$TreeNodeException: makeCopy, tree:
Generate explode(<lambda>(_1#0L)), false, false, [col#15L]
+- Scan ExistingRDD[_1#0L]
at org.apache.spark.sql.catalyst.errors.package$.attachTree(package.scala:50)
at org.apache.spark.sql.catalyst.trees.TreeNode.makeCopy(TreeNode.scala:387)
at org.apache.spark.sql.execution.SparkPlan.makeCopy(SparkPlan.scala:69)
at org.apache.spark.sql.execution.SparkPlan.makeCopy(SparkPlan.scala:45)
at org.apache.spark.sql.catalyst.plans.QueryPlan.transformExpressionsDown(QueryPlan.scala:177)
at org.apache.spark.sql.catalyst.plans.QueryPlan.transformExpressions(QueryPlan.scala:144)
at org.apache.spark.sql.execution.python.ExtractPythonUDFs$.org$apache$spark$sql$execution$python$ExtractPythonUDFs$$extract(ExtractPythonUDFs.scala:153)
at org.apache.spark.sql.execution.python.ExtractPythonUDFs$$anonfun$apply$2.applyOrElse(ExtractPythonUDFs.scala:114)
at org.apache.spark.sql.execution.python.ExtractPythonUDFs$$anonfun$apply$2.applyOrElse(ExtractPythonUDFs.scala:113)
at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$transformUp$1.apply(TreeNode.scala:301)
at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$transformUp$1.apply(TreeNode.scala:301)
at org.apache.spark.sql.catalyst.trees.CurrentOrigin$.withOrigin(TreeNode.scala:69)
at org.apache.spark.sql.catalyst.trees.TreeNode.transformUp(TreeNode.scala:300)
at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$4.apply(TreeNode.scala:298)
at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$4.apply(TreeNode.scala:298)
at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$5.apply(TreeNode.scala:321)
at org.apache.spark.sql.catalyst.trees.TreeNode.mapProductIterator(TreeNode.scala:179)
at org.apache.spark.sql.catalyst.trees.TreeNode.transformChildren(TreeNode.scala:319)
at org.apache.spark.sql.catalyst.trees.TreeNode.transformUp(TreeNode.scala:298)
at org.apache.spark.sql.execution.python.ExtractPythonUDFs$.apply(ExtractPythonUDFs.scala:113)
at org.apache.spark.sql.execution.python.ExtractPythonUDFs$.apply(ExtractPythonUDFs.scala:93)
at org.apache.spark.sql.execution.QueryExecution$$anonfun$prepareForExecution$1.apply(QueryExecution.scala:95)
at org.apache.spark.sql.execution.QueryExecution$$anonfun$prepareForExecution$1.apply(QueryExecution.scala:95)
at scala.collection.LinearSeqOptimized$class.foldLeft(LinearSeqOptimized.scala:124)
at scala.collection.immutable.List.foldLeft(List.scala:84)
at org.apache.spark.sql.execution.QueryExecution.prepareForExecution(QueryExecution.scala:95)
at org.apache.spark.sql.execution.QueryExecution.executedPlan$lzycompute(QueryExecution.scala:85)
at org.apache.spark.sql.execution.QueryExecution.executedPlan(QueryExecution.scala:85)
at org.apache.spark.sql.Dataset.withTypedCallback(Dataset.scala:2557)
at org.apache.spark.sql.Dataset.head(Dataset.scala:1923)
at org.apache.spark.sql.Dataset.take(Dataset.scala:2138)
at org.apache.spark.sql.Dataset.showString(Dataset.scala:239)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:237)
at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
at py4j.Gateway.invoke(Gateway.java:280)
at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:128)
at py4j.commands.CallCommand.execute(CallCommand.java:79)
at py4j.GatewayConnection.run(GatewayConnection.java:211)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$makeCopy$1$$anonfun$apply$13.apply(TreeNode.scala:413)
at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$makeCopy$1$$anonfun$apply$13.apply(TreeNode.scala:413)
at org.apache.spark.sql.catalyst.trees.CurrentOrigin$.withOrigin(TreeNode.scala:69)
at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$makeCopy$1.apply(TreeNode.scala:412)
at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$makeCopy$1.apply(TreeNode.scala:387)
at org.apache.spark.sql.catalyst.errors.package$.attachTree(package.scala:49)
... 42 more
Caused by: org.apache.spark.sql.catalyst.errors.package$TreeNodeException: Binding attribute, tree: pythonUDF0#20
at org.apache.spark.sql.catalyst.errors.package$.attachTree(package.scala:50)
at org.apache.spark.sql.catalyst.expressions.BindReferences$$anonfun$bindReference$1.applyOrElse(BoundAttribute.scala:88)
at org.apache.spark.sql.catalyst.expressions.BindReferences$$anonfun$bindReference$1.applyOrElse(BoundAttribute.scala:87)
at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$3.apply(TreeNode.scala:279)
at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$3.apply(TreeNode.scala:279)
at org.apache.spark.sql.catalyst.trees.CurrentOrigin$.withOrigin(TreeNode.scala:69)
at org.apache.spark.sql.catalyst.trees.TreeNode.transformDown(TreeNode.scala:278)
at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$transformDown$1.apply(TreeNode.scala:284)
at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$transformDown$1.apply(TreeNode.scala:284)
at org.apache.spark.sql.catalyst.trees.TreeNode$$anonfun$5.apply(TreeNode.scala:321)
at org.apache.spark.sql.catalyst.trees.TreeNode.mapProductIterator(TreeNode.scala:179)
at org.apache.spark.sql.catalyst.trees.TreeNode.transformChildren(TreeNode.scala:319)
at org.apache.spark.sql.catalyst.trees.TreeNode.transformDown(TreeNode.scala:284)
at org.apache.spark.sql.catalyst.trees.TreeNode.transform(TreeNode.scala:268)
at org.apache.spark.sql.catalyst.expressions.BindReferences$.bindReference(BoundAttribute.scala:87)
at org.apache.spark.sql.execution.GenerateExec.<init>(GenerateExec.scala:63)
... 52 more
Caused by: java.lang.RuntimeException: Couldn't find pythonUDF0#20 in [_1#0L]
at scala.sys.package$.error(package.scala:27)
at org.apache.spark.sql.catalyst.expressions.BindReferences$$anonfun$bindReference$1$$anonfun$applyOrElse$1.apply(BoundAttribute.scala:94)
at org.apache.spark.sql.catalyst.expressions.BindReferences$$anonfun$bindReference$1$$anonfun$applyOrElse$1.apply(BoundAttribute.scala:88)
at org.apache.spark.sql.catalyst.errors.package$.attachTree(package.scala:49)
... 67 more
```
## How was this patch tested?
Added regression tests.
Author: Davies Liu <davies@databricks.com>
Closes #13883 from davies/udf_in_generate.
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## What changes were proposed in this pull request?
In the case that we don't know which module a object came from, will call pickle.whichmodule() to go throught all the loaded modules to find the object, which could fail because some modules, for example, six, see https://bitbucket.org/gutworth/six/issues/63/importing-six-breaks-pickling
We should ignore the exception here, use `__main__` as the module name (it means we can't find the module).
## How was this patch tested?
Manual tested. Can't have a unit test for this.
Author: Davies Liu <davies@databricks.com>
Closes #13788 from davies/whichmodule.
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## What changes were proposed in this pull request?
Since SPARK-13220(Deprecate "yarn-client" and "yarn-cluster"), YarnClusterSuite doesn't test "yarn cluster" mode correctly.
This pull request fixes it.
## How was this patch tested?
Unit test
(If this patch involves UI changes, please attach a screenshot; otherwise, remove this)
Author: peng.zhang <peng.zhang@xiaomi.com>
Closes #13836 from renozhang/SPARK-16125-test-yarn-cluster-mode.
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[SPARK-14615](https://issues.apache.org/jira/browse/SPARK-14615) and #12627 changed `spark.ml` pipelines to use the new `ml.linalg` classes for `Vector`/`Matrix`. Some `Since` annotations for public methods/vals have not been updated accordingly to be `2.0.0`. This PR updates them.
## How was this patch tested?
Existing unit tests.
Author: Nick Pentreath <nickp@za.ibm.com>
Closes #13840 from MLnick/SPARK-16127-ml-linalg-since.
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## What changes were proposed in this pull request?
Mark ml.classification algorithms as experimental to match Scala algorithms, update PyDoc for for thresholds on `LogisticRegression` to have same level of info as Scala, and enable mathjax for PyDoc.
## How was this patch tested?
Built docs locally & PySpark SQL tests
Author: Holden Karau <holden@us.ibm.com>
Closes #12938 from holdenk/SPARK-15162-SPARK-15164-update-some-pydocs.
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## What changes were proposed in this pull request?
Several places set the seed Param default value to None which will translate to a zero value on the Scala side. This is unnecessary because a default fixed value already exists and if a test depends on a zero valued seed, then it should explicitly set it to zero instead of relying on this translation. These cases can be safely removed except for the ALS doc test, which has been changed to set the seed value to zero.
## How was this patch tested?
Ran PySpark tests locally
Author: Bryan Cutler <cutlerb@gmail.com>
Closes #13672 from BryanCutler/pyspark-cleanup-setDefault-seed-SPARK-15741.
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## What changes were proposed in this pull request?
This PR allows us to create a Row without any fields.
## How was this patch tested?
Added a test for empty row and udf without arguments.
Author: Davies Liu <davies@databricks.com>
Closes #13812 from davies/no_argus.
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## What changes were proposed in this pull request?
This is a follow-up to https://github.com/apache/spark/pull/13795 to properly set CSV options in Python API. As part of this, I also make the Python option setting for both CSV and JSON more robust against positional errors.
## How was this patch tested?
N/A
Author: Reynold Xin <rxin@databricks.com>
Closes #13800 from rxin/SPARK-13792-2.
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This PR adds missing `Since` annotations to `ml.feature` package.
Closes #8505.
## How was this patch tested?
Existing tests.
Author: Nick Pentreath <nickp@za.ibm.com>
Closes #13641 from MLnick/add-since-annotations.
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This reverts commit a46553cbacf0e4012df89fe55385dec5beaa680a.
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## What changes were proposed in this pull request?
This pull request adds a new option (maxMalformedLogPerPartition) in CSV reader to limit the maximum of logging message Spark generates per partition for malformed records.
The error log looks something like
```
16/06/20 18:50:14 WARN CSVRelation: Dropping malformed line: adsf,1,4
16/06/20 18:50:14 WARN CSVRelation: Dropping malformed line: adsf,1,4
16/06/20 18:50:14 WARN CSVRelation: Dropping malformed line: adsf,1,4
16/06/20 18:50:14 WARN CSVRelation: Dropping malformed line: adsf,1,4
16/06/20 18:50:14 WARN CSVRelation: Dropping malformed line: adsf,1,4
16/06/20 18:50:14 WARN CSVRelation: Dropping malformed line: adsf,1,4
16/06/20 18:50:14 WARN CSVRelation: Dropping malformed line: adsf,1,4
16/06/20 18:50:14 WARN CSVRelation: Dropping malformed line: adsf,1,4
16/06/20 18:50:14 WARN CSVRelation: Dropping malformed line: adsf,1,4
16/06/20 18:50:14 WARN CSVRelation: Dropping malformed line: adsf,1,4
16/06/20 18:50:14 WARN CSVRelation: More than 10 malformed records have been found on this partition. Malformed records from now on will not be logged.
```
Closes #12173
## How was this patch tested?
Manually tested.
Author: Reynold Xin <rxin@databricks.com>
Closes #13795 from rxin/SPARK-13792.
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Fix the bug for Python UDF that does not have any arguments.
Added regression tests.
Author: Davies Liu <davies.liu@gmail.com>
Closes #13793 from davies/fix_no_arguments.
(cherry picked from commit abe36c53d126bb580e408a45245fd8e81806869c)
Signed-off-by: Davies Liu <davies.liu@gmail.com>
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DecisionTreeRegressionModel used in GBTClassificationModel
## What changes were proposed in this pull request?
Fixed missing import for DecisionTreeRegressionModel used in GBTClassificationModel trees method.
## How was this patch tested?
Local tests
Author: Bryan Cutler <cutlerb@gmail.com>
Closes #13787 from BryanCutler/pyspark-GBTClassificationModel-import-SPARK-16079.
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*This contribution is my original work and that I license the work to the project under the project's open source license.*
## What changes were proposed in this pull request?
Documentation updates to PySpark's GroupedData
## How was this patch tested?
Manual Tests
Author: Josh Howes <josh.howes@gmail.com>
Author: Josh Howes <josh.howes@maxpoint.com>
Closes #13724 from josh-howes/bugfix/SPARK-15973.
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## What changes were proposed in this pull request?
Support with statement syntax for SparkSession in pyspark
## How was this patch tested?
Manually verify it. Although I can add unit test for it, it would affect other unit test because the SparkContext is stopped after the with statement.
Author: Jeff Zhang <zjffdu@apache.org>
Closes #13541 from zjffdu/SPARK-15803.
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## What changes were proposed in this pull request?
The check on the end parenthesis of the expression to parse was using the wrong variable. I corrected that.
## How was this patch tested?
Manual test
Author: andreapasqua <andrea@radius.com>
Closes #13750 from andreapasqua/sparse-vector-parser-assertion-fix.
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DataFrame (Python)
## What changes were proposed in this pull request?
This PR implements python wrappers for #13662 to convert old/new vector columns in a DataFrame.
## How was this patch tested?
doctest in Python
cc: yanboliang
Author: Xiangrui Meng <meng@databricks.com>
Closes #13731 from mengxr/SPARK-15946.
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Python API
## What changes were proposed in this pull request?
- Fixed bug in Python API of DataStreamReader. Because a single path was being converted to a array before calling Java DataStreamReader method (which takes a string only), it gave the following error.
```
File "/Users/tdas/Projects/Spark/spark/python/pyspark/sql/readwriter.py", line 947, in pyspark.sql.readwriter.DataStreamReader.json
Failed example:
json_sdf = spark.readStream.json(os.path.join(tempfile.mkdtemp(), 'data'), schema = sdf_schema)
Exception raised:
Traceback (most recent call last):
File "/System/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/doctest.py", line 1253, in __run
compileflags, 1) in test.globs
File "<doctest pyspark.sql.readwriter.DataStreamReader.json[0]>", line 1, in <module>
json_sdf = spark.readStream.json(os.path.join(tempfile.mkdtemp(), 'data'), schema = sdf_schema)
File "/Users/tdas/Projects/Spark/spark/python/pyspark/sql/readwriter.py", line 963, in json
return self._df(self._jreader.json(path))
File "/Users/tdas/Projects/Spark/spark/python/lib/py4j-0.10.1-src.zip/py4j/java_gateway.py", line 933, in __call__
answer, self.gateway_client, self.target_id, self.name)
File "/Users/tdas/Projects/Spark/spark/python/pyspark/sql/utils.py", line 63, in deco
return f(*a, **kw)
File "/Users/tdas/Projects/Spark/spark/python/lib/py4j-0.10.1-src.zip/py4j/protocol.py", line 316, in get_return_value
format(target_id, ".", name, value))
Py4JError: An error occurred while calling o121.json. Trace:
py4j.Py4JException: Method json([class java.util.ArrayList]) does not exist
at py4j.reflection.ReflectionEngine.getMethod(ReflectionEngine.java:318)
at py4j.reflection.ReflectionEngine.getMethod(ReflectionEngine.java:326)
at py4j.Gateway.invoke(Gateway.java:272)
at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:128)
at py4j.commands.CallCommand.execute(CallCommand.java:79)
at py4j.GatewayConnection.run(GatewayConnection.java:211)
at java.lang.Thread.run(Thread.java:744)
```
- Reduced code duplication between DataStreamReader and DataFrameWriter
- Added missing Python doctests
## How was this patch tested?
New tests
Author: Tathagata Das <tathagata.das1565@gmail.com>
Closes #13703 from tdas/SPARK-15981.
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## What changes were proposed in this pull request?
After we move the ExtractPythonUDF rule into physical plan, Python UDF can't work on top of aggregate anymore, because they can't be evaluated before aggregate, should be evaluated after aggregate. This PR add another rule to extract these kind of Python UDF from logical aggregate, create a Project on top of Aggregate.
## How was this patch tested?
Added regression tests. The plan of added test query looks like this:
```
== Parsed Logical Plan ==
'Project [<lambda>('k, 's) AS t#26]
+- Aggregate [<lambda>(key#5L)], [<lambda>(key#5L) AS k#17, sum(cast(<lambda>(value#6) as bigint)) AS s#22L]
+- LogicalRDD [key#5L, value#6]
== Analyzed Logical Plan ==
t: int
Project [<lambda>(k#17, s#22L) AS t#26]
+- Aggregate [<lambda>(key#5L)], [<lambda>(key#5L) AS k#17, sum(cast(<lambda>(value#6) as bigint)) AS s#22L]
+- LogicalRDD [key#5L, value#6]
== Optimized Logical Plan ==
Project [<lambda>(agg#29, agg#30L) AS t#26]
+- Aggregate [<lambda>(key#5L)], [<lambda>(key#5L) AS agg#29, sum(cast(<lambda>(value#6) as bigint)) AS agg#30L]
+- LogicalRDD [key#5L, value#6]
== Physical Plan ==
*Project [pythonUDF0#37 AS t#26]
+- BatchEvalPython [<lambda>(agg#29, agg#30L)], [agg#29, agg#30L, pythonUDF0#37]
+- *HashAggregate(key=[<lambda>(key#5L)#31], functions=[sum(cast(<lambda>(value#6) as bigint))], output=[agg#29,agg#30L])
+- Exchange hashpartitioning(<lambda>(key#5L)#31, 200)
+- *HashAggregate(key=[pythonUDF0#34 AS <lambda>(key#5L)#31], functions=[partial_sum(cast(pythonUDF1#35 as bigint))], output=[<lambda>(key#5L)#31,sum#33L])
+- BatchEvalPython [<lambda>(key#5L), <lambda>(value#6)], [key#5L, value#6, pythonUDF0#34, pythonUDF1#35]
+- Scan ExistingRDD[key#5L,value#6]
```
Author: Davies Liu <davies@databricks.com>
Closes #13682 from davies/fix_py_udf.
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Renamed for simplicity, so that its obvious that its related to streaming.
Existing unit tests.
Author: Tathagata Das <tathagata.das1565@gmail.com>
Closes #13673 from tdas/SPARK-15953.
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## What changes were proposed in this pull request?
A follow up PR for #13655 to fix a wrong format tag.
## How was this patch tested?
Jenkins unit tests.
Author: Shixiong Zhu <shixiong@databricks.com>
Closes #13665 from zsxwing/fix.
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and writeStream for streaming DFs
## What changes were proposed in this pull request?
Currently, the DataFrameReader/Writer has method that are needed for streaming and non-streaming DFs. This is quite awkward because each method in them through runtime exception for one case or the other. So rather having half the methods throw runtime exceptions, its just better to have a different reader/writer API for streams.
- [x] Python API!!
## How was this patch tested?
Existing unit tests + two sets of unit tests for DataFrameReader/Writer and DataStreamReader/Writer.
Author: Tathagata Das <tathagata.das1565@gmail.com>
Closes #13653 from tdas/SPARK-15933.
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## What changes were proposed in this pull request?
This PR just enables tests for sql/streaming.py and also fixes the failures.
## How was this patch tested?
Existing unit tests.
Author: Shixiong Zhu <shixiong@databricks.com>
Closes #13655 from zsxwing/python-streaming-test.
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list of built-in functions
## What changes were proposed in this pull request?
SparkSession.catalog.listFunctions currently returns all functions, including the list of built-in functions. This makes the method not as useful because anytime it is run the result set contains over 100 built-in functions.
## How was this patch tested?
CatalogSuite
Author: Sandeep Singh <sandeep@techaddict.me>
Closes #13413 from techaddict/SPARK-15663.
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ml.Matrix under spark.ml.python
## What changes were proposed in this pull request?
Now we have PySpark picklers for new and old vector/matrix, individually. However, they are all implemented under `PythonMLlibAPI`. To separate spark.mllib from spark.ml, we should implement the picklers of new vector/matrix under `spark.ml.python` instead.
## How was this patch tested?
Existing tests.
Author: Liang-Chi Hsieh <simonh@tw.ibm.com>
Closes #13219 from viirya/pyspark-pickler-ml.
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