[SPARK-41746] SparkSession.createDataFrame does not support nested datatypes - ASF JIRA

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Details

Type: Sub-task
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: 3.4.0
Fix Version/s: 3.4.0
Component/s: Connect
Labels:
None

Description

File "/.../spark/python/pyspark/sql/connect/group.py", line 183, in pyspark.sql.connect.group.GroupedData.pivot
Failed example:
    df2 = spark.createDataFrame([
        Row(training="expert", sales=Row(course="dotNET", year=2012, earnings=10000)),
        Row(training="junior", sales=Row(course="Java", year=2012, earnings=20000)),
        Row(training="expert", sales=Row(course="dotNET", year=2012, earnings=5000)),
        Row(training="junior", sales=Row(course="dotNET", year=2013, earnings=48000)),
        Row(training="expert", sales=Row(course="Java", year=2013, earnings=30000)),
    ])
Exception raised:
    Traceback (most recent call last):
      File "/.../miniconda3/envs/python3.9/lib/python3.9/doctest.py", line 1336, in __run
        exec(compile(example.source, filename, "single",
      File "<doctest pyspark.sql.connect.group.GroupedData.pivot[3]>", line 1, in <module>
        df2 = spark.createDataFrame([
      File "/.../workspace/forked/spark/python/pyspark/sql/connect/session.py", line 196, in createDataFrame
        table = pa.Table.from_pandas(pdf)
      File "pyarrow/table.pxi", line 3475, in pyarrow.lib.Table.from_pandas
      File "/.../miniconda3/envs/python3.9/lib/python3.9/site-packages/pyarrow/pandas_compat.py", line 611, in dataframe_to_arrays
        arrays = [convert_column(c, f)
      File "/.../miniconda3/envs/python3.9/lib/python3.9/site-packages/pyarrow/pandas_compat.py", line 611, in <listcomp>
        arrays = [convert_column(c, f)
      File "/.../miniconda3/envs/python3.9/lib/python3.9/site-packages/pyarrow/pandas_compat.py", line 598, in convert_column
        raise e
      File "/.../miniconda3/envs/python3.9/lib/python3.9/site-packages/pyarrow/pandas_compat.py", line 592, in convert_column
        result = pa.array(col, type=type_, from_pandas=True, safe=safe)
      File "pyarrow/array.pxi", line 316, in pyarrow.lib.array
      File "pyarrow/array.pxi", line 83, in pyarrow.lib._ndarray_to_array
      File "pyarrow/error.pxi", line 123, in pyarrow.lib.check_status
    pyarrow.lib.ArrowTypeError: ("Expected bytes, got a 'int' object", 'Conversion failed for column 1 with type object')