zhengruifeng opened a new pull request, #48589:
URL: https://github.com/apache/spark/pull/48589
### What changes were proposed in this pull request?
Make `lit` works with empty numpy ndarray
### Why are the changes needed?
bug fix, to make it consistent with the PySpark Classic
### Does this PR introduce _any_ user-facing change?
before:
```
In [7]: spark.range(1).select(sf.lit(np.array([], np.int32))).schema
Out[7]: StructType([StructField('array()', ArrayType(NullType(), False),
False)])
```
after:
```
In [3]: spark.range(1).select(sf.lit(np.array([], np.int32))).schema
Out[3]: StructType([StructField('array()', ArrayType(IntegerType(), True),
False)])
```
### How was this patch tested?
added tests
### Was this patch authored or co-authored using generative AI tooling?
no
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