Sandeep Singh created SPARK-41906:
-------------------------------------

             Summary: Handle Function `rand() `
                 Key: SPARK-41906
                 URL: https://issues.apache.org/jira/browse/SPARK-41906
             Project: Spark
          Issue Type: Sub-task
          Components: Connect
    Affects Versions: 3.4.0
            Reporter: Sandeep Singh


{code:java}
df = self.spark.createDataFrame(
    [
        (
            [1, 2, 3],
            2,
            2,
        ),
        (
            [4, 5],
            2,
            2,
        ),
    ],
    ["x", "index", "len"],
)

expected = [Row(sliced=[2, 3]), Row(sliced=[5])]
self.assertTrue(
    all(
        [
            df.select(slice(df.x, 2, 2).alias("sliced")).collect() == expected,
            df.select(slice(df.x, lit(2), lit(2)).alias("sliced")).collect() == 
expected,
            df.select(slice("x", "index", "len").alias("sliced")).collect() == 
expected,
        ]
    )
)

self.assertEqual(
    df.select(slice(df.x, size(df.x) - 1, lit(1)).alias("sliced")).collect(),
    [Row(sliced=[2]), Row(sliced=[4])],
)
self.assertEqual(
    df.select(slice(df.x, lit(1), size(df.x) - 1).alias("sliced")).collect(),
    [Row(sliced=[1, 2]), Row(sliced=[4])],
){code}
{code:java}
 Traceback (most recent call last):
  File 
"/Users/s.singh/personal/spark-oss/python/pyspark/sql/tests/test_functions.py", 
line 596, in test_slice
    df.select(slice("x", "index", "len").alias("sliced")).collect() == expected,
  File "/Users/s.singh/personal/spark-oss/python/pyspark/sql/utils.py", line 
332, in wrapped
    return getattr(functions, f.__name__)(*args, **kwargs)
  File 
"/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/functions.py", 
line 1525, in slice
    raise TypeError(f"start should be a Column or int, but got 
{type(start).__name__}")
TypeError: start should be a Column or int, but got str{code}



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