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Posted to reviews@spark.apache.org by "itholic (via GitHub)" <gi...@apache.org> on 2023/10/05 10:38:43 UTC
[PR] [SPARK-43704][CONNECT][PS] Support `MultiIndex` for `to_series()` [spark]
itholic opened a new pull request, #43228:
URL: https://github.com/apache/spark/pull/43228
### What changes were proposed in this pull request?
This PR proposes to support `MultiIndex` for `to_series()`.
### Why are the changes needed?
So far, `to_series()` for MultiIndex is not working properly since the underlying data structure is different from Pandas and Spark. See the below examples in the next section.
### Does this PR introduce _any_ user-facing change?
**Before**
```python
>>> psmidx = ps.MultiIndex.from_tuples([("A", "B")])
>>> psmidx.to_series()
A B {'__index_level_0__': 'A', '__index_level_1__'...
dtype: object
```
**After**
```python
>>> psmidx = ps.MultiIndex.from_tuples([("A", "B")])
>>> psmidx.to_series()
A B [A, B]
dtype: object
```
### How was this patch tested?
Enabling the existing UT.
### Was this patch authored or co-authored using generative AI tooling?
No.
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Re: [PR] [SPARK-43704][CONNECT][PS] Support `MultiIndex` for `to_series()` [spark]
Posted by "itholic (via GitHub)" <gi...@apache.org>.
itholic commented on PR #43228:
URL: https://github.com/apache/spark/pull/43228#issuecomment-1750336396
CI passed. cc @zhengruifeng @HyukjinKwon FYI
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Re: [PR] [SPARK-43704][CONNECT][PS] Support `MultiIndex` for `to_series()` [spark]
Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun closed pull request #43228: [SPARK-43704][CONNECT][PS] Support `MultiIndex` for `to_series()`
URL: https://github.com/apache/spark/pull/43228
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