itholic opened a new pull request, #39790:
URL: https://github.com/apache/spark/pull/39790
### What changes were proposed in this pull request?
This PR proposes to support `fill_value` for `ps.Series.(add|radd)`.
**Note**: Currently I made `fill_value` to only support when `other` is
scalar value (int, str, float), because when `other` is container type it
requires combine `self` and `other` to compare the value for each position to
check If data in both corresponding Series (or list, tuple) locations is
missing, which is potentially very expensive in pandas API on Spark.
### Why are the changes needed?
To basic support for `fill_value` for `ps.Series.(add|radd)`.
### Does this PR introduce _any_ user-facing change?
Yes.
**Before**
```python
>>> psser # pandas-on-Spark Series
0 1.0
1 2.0
2 NaN
3 4.0
dtype: float64
>>> psser.add(6, fill_value=20)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: add() got an unexpected keyword argument 'fill_value'
```
**After**
```python
>>> psser # pandas-on-Spark Series
0 1.0
1 2.0
2 NaN
3 4.0
dtype: float64
>>> pser.add(6, fill_value=20)
0 11.0
1 12.0
2 26.0
3 14.0
dtype: float64
```
### How was this patch tested?
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