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[GitHub] [spark] sarutak opened a new pull request #34330: [SPARK-37059][PYTHON][TESTS] Ensure the sort order of the output in the PySpark doctests
sarutak opened a new pull request #34330:
URL: https://github.com/apache/spark/pull/34330
### What changes were proposed in this pull request?
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This PR fixes an issue that PySpark doctests for the `collect_set` builtin function and `FPGrouthModel.freqItemsets` fail with Scala 2.13.
The `collect_set` builtin function doesn't ensure the sort order of its result for each row. `FPGrouthModel.freqItemsets` also doesn't ensure the sort order of the result rows.
Nevertheless, their PySpark doctests assume a certain kind of sort order, causing that such doctests fail with Scala 2.13.
```
**********************************************************************
File "/home/kou/work/oss/spark-scala-2.13/python/pyspark/sql/functions.py", line 876, in pyspark.sql.functions.collect_set
Failed example:
df2.agg(collect_set('age')).collect()
Expected:
[Row(collect_set(age)=[5, 2])]
Got:
[Row(collect_set(age)=[2, 5])]
**********************************************************************
1 of 2 in pyspark.sql.functions.collect_set
***Test Failed*** 1 failures.
```
**********************************************************************
File "/home/kou/work/oss/spark-scala-2.13/python/pyspark/ml/fpm.py", line 194, in __main__.FPGrowth
Failed example:
fpm.freqItemsets.show(5)
Expected:
+---------+----+
| items|freq|
+---------+----+
| [s]| 3|
| [s, x]| 3|
|[s, x, z]| 2|
| [s, z]| 2|
| [r]| 3|
+---------+----+
only showing top 5 rows
...
Got:
+------+----+
| items|freq|
+------+----+
| [z]| 5|
| [x]| 4|
|[x, z]| 3|
| [s]| 3|
|[s, z]| 2|
+------+----+
only showing top 5 rows
<BLANKLINE>
**********************************************************************
File "/home/kou/work/oss/spark-scala-2.13/python/pyspark/ml/fpm.py", line 206, in __main__.FPGrowth
Failed example:
fpm.associationRules.show(5)
Expected:
+----------+----------+----------+----+------------------+
|antecedent|consequent|confidence|lift| support|
+----------+----------+----------+----+------------------+
| [t, s]| [y]| 1.0| 2.0|0.3333333333333333|
| [t, s]| [x]| 1.0| 1.5|0.3333333333333333|
| [t, s]| [z]| 1.0| 1.2|0.3333333333333333|
| [p]| [r]| 1.0| 2.0|0.3333333333333333|
| [p]| [z]| 1.0| 1.2|0.3333333333333333|
+----------+----------+----------+----+------------------+
only showing top 5 rows
...
Got:
+----------+----------+----------+----+------------------+
|antecedent|consequent|confidence|lift| support|
+----------+----------+----------+----+------------------+
| [t, s]| [z]| 1.0| 1.2|0.3333333333333333|
| [t, s]| [x]| 1.0| 1.5|0.3333333333333333|
| [t, s]| [y]| 1.0| 2.0|0.3333333333333333|
| [p]| [z]| 1.0| 1.2|0.3333333333333333|
| [p]| [r]| 1.0| 2.0|0.3333333333333333|
+----------+----------+----------+----+------------------+
only showing top 5 rows
<BLANKLINE>
**********************************************************************
2 of 14 in __main__.FPGrowth
***Test Failed*** 2 failures.
```
After these doctests are fixed, all the PySpark doctests should pass with Scala 2.13, so this PR also enables PySpark tests with Scala 2.13.
### Why are the changes needed?
<!--
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1. If you propose a new API, clarify the use case for a new API.
2. If you fix a bug, you can clarify why it is a bug.
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Bug fix in the doctests.
### Does this PR introduce _any_ user-facing change?
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Note that it means *any* user-facing change including all aspects such as the documentation fix.
If yes, please clarify the previous behavior and the change this PR proposes - provide the console output, description and/or an example to show the behavior difference if possible.
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No.
### How was this patch tested?
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The following tests pass with Scala 2.13.
```
python/run-tests --testnames pyspark.sql.functions
python/run-tests --testnames pyspark.ml.fpm
```
Tests for Scala 2.12 should be done by CIs.
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[GitHub] [spark] sarutak closed pull request #34330: [SPARK-37059][PYTHON][TESTS] Ensure the sort order of the output in the PySpark doctests
Posted by GitBox <gi...@apache.org>.
sarutak closed pull request #34330:
URL: https://github.com/apache/spark/pull/34330
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[GitHub] [spark] SparkQA commented on pull request #34330: [SPARK-37059][PYTHON][TESTS] Ensure the sort order of the output in the PySpark doctests
Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #34330:
URL: https://github.com/apache/spark/pull/34330#issuecomment-946760822
**[Test build #144411 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/144411/testReport)** for PR 34330 at commit [`f5de5b6`](https://github.com/apache/spark/commit/f5de5b63c97db655e765c4504a0b9d53a6fcccd9).
* This patch passes all tests.
* This patch merges cleanly.
* This patch adds no public classes.
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