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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2022/08/11 04:06:59 UTC
[GitHub] [spark] Yikun commented on a diff in pull request #37465: [SPARK-40029][PYTHON][DOC] Make pyspark.sql.types examples self-contained
Yikun commented on code in PR #37465:
URL: https://github.com/apache/spark/pull/37465#discussion_r943080421
##########
python/pyspark/sql/types.py:
##########
@@ -684,6 +702,30 @@ class StructType(DataType):
... StructField("f2", IntegerType(), False)])
>>> struct1 == struct2
False
+
+ The below example demonstrates how to create a struct using StructType & StructField on
+ DataFrame:
+
+ >>> data = [("Alice", ["Java", "Scala"]), ("Bob", ["Python", "Scala"])]
+ >>> schema = StructType([
+ ... StructField("name", StringType()),
+ ... StructField("languagesSkills", ArrayType(StringType())),
+ ... ])
+ >>> df = spark.createDataFrame(data=data, schema=schema)
+ >>> df.printSchema()
+ root
+ |-- name: string (nullable = true)
+ |-- languagesSkills: array (nullable = true)
+ | |-- element: string (containsNull = true)
+ <BLANKLINE>
Review Comment:
ah, good suggestion, it was copy from other existing code. Addressed!
and I will also submit a PR to address other places
```
spark git:(type) ✗ grep -r BLANKLINE **/*.py
python/pyspark/ml/stat.py: <BLANKLINE>
python/pyspark/ml/stat.py: <BLANKLINE>
python/pyspark/ml/stat.py: <BLANKLINE>
python/pyspark/ml/stat.py: <BLANKLINE>
python/pyspark/mllib/tree.py: <BLANKLINE>
python/pyspark/mllib/tree.py: <BLANKLINE>
python/pyspark/mllib/tree.py: <BLANKLINE>
python/pyspark/mllib/tree.py: <BLANKLINE>
python/pyspark/mllib/tree.py: <BLANKLINE>
python/pyspark/pandas/frame.py: <BLANKLINE>
python/pyspark/pandas/series.py: <BLANKLINE>
python/pyspark/pandas/series.py: <BLANKLINE>
python/pyspark/pandas/series.py: <BLANKLINE>
python/pyspark/pandas/series.py: <BLANKLINE>
python/pyspark/sql/dataframe.py: <BLANKLINE>
```
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