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Posted to issues@spark.apache.org by "Sandeep Singh (Jira)" <ji...@apache.org> on 2023/01/02 17:36:00 UTC
[jira] [Updated] (SPARK-41828) Implement creating empty Dataframe
[ https://issues.apache.org/jira/browse/SPARK-41828?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sandeep Singh updated SPARK-41828:
----------------------------------
Description:
{code:java}
File "/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/dataframe.py", line 99, in pyspark.sql.connect.dataframe.DataFrame.isEmpty
Failed example:
df_empty = spark.createDataFrame([], 'a STRING')
Exception raised:
Traceback (most recent call last):
File "/usr/local/Cellar/python@3.10/3.10.8/Frameworks/Python.framework/Versions/3.10/lib/python3.10/doctest.py", line 1350, in __run
exec(compile(example.source, filename, "single",
File "<doctest pyspark.sql.connect.dataframe.DataFrame.isEmpty[0]>", line 1, in <module>
df_empty = spark.createDataFrame([], 'a STRING')
File "/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/session.py", line 186, in createDataFrame
raise ValueError("Input data cannot be empty")
ValueError: Input data cannot be empty{code}
was:
{code:java}
File "/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/dataframe.py", line 302, in pyspark.sql.connect.dataframe.DataFrame.groupBy
Failed example:
df.groupBy(["name", df.age]).count().sort("name", "age").show()
Exception raised:
Traceback (most recent call last):
File "/usr/local/Cellar/python@3.10/3.10.8/Frameworks/Python.framework/Versions/3.10/lib/python3.10/doctest.py", line 1350, in __run
exec(compile(example.source, filename, "single",
File "<doctest pyspark.sql.connect.dataframe.DataFrame.groupBy[4]>", line 1, in <module>
df.groupBy(["name", df.age]).count().sort("name", "age").show()
File "/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/dataframe.py", line 251, in groupBy
raise TypeError(
TypeError: groupBy requires all cols be Column or str, but got list ['name', Column<'ColumnReference(age)'>]{code}
> Implement creating empty Dataframe
> ----------------------------------
>
> Key: SPARK-41828
> URL: https://issues.apache.org/jira/browse/SPARK-41828
> Project: Spark
> Issue Type: Sub-task
> Components: Connect
> Affects Versions: 3.4.0
> Reporter: Sandeep Singh
> Priority: Major
>
> {code:java}
> File "/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/dataframe.py", line 99, in pyspark.sql.connect.dataframe.DataFrame.isEmpty
> Failed example:
> df_empty = spark.createDataFrame([], 'a STRING')
> Exception raised:
> Traceback (most recent call last):
> File "/usr/local/Cellar/python@3.10/3.10.8/Frameworks/Python.framework/Versions/3.10/lib/python3.10/doctest.py", line 1350, in __run
> exec(compile(example.source, filename, "single",
> File "<doctest pyspark.sql.connect.dataframe.DataFrame.isEmpty[0]>", line 1, in <module>
> df_empty = spark.createDataFrame([], 'a STRING')
> File "/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/session.py", line 186, in createDataFrame
> raise ValueError("Input data cannot be empty")
> ValueError: Input data cannot be empty{code}
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