itholic opened a new pull request, #44178:
URL: https://github.com/apache/spark/pull/44178

   ### What changes were proposed in this pull request?
   
   This PR proposes to enable test for `np.left_shift` for Pandas-on-Spark 
object.
   
   ### Why are the changes needed?
   
   Because we completely support the PyArrow>=4.0.0, so the behavior difference 
within PyArrow<0.15 will not appear.
   
   Now the behavior always same within the supported version as below:
   
   ```python
   >>> pdf = pd.DataFrame({"A": [1, 2, 3, 4]})
   >>> psdf = ps.DataFrame({"A": [1, 2, 3, 4]})
   >>> np.left_shift(pdf, 1)
      A
   0  2
   1  4
   2  6
   3  8
   >>> np.left_shift(psdf, 1)
      A
   0  2
   1  4
   2  6
   3  8
   ```
   
   
   ### Does this PR introduce _any_ user-facing change?
   
   No, this just enables the test case.
   
   ### How was this patch tested?
   
   The existing CI especially `NumPyCompatTests` should pass.
   
   
   ### Was this patch authored or co-authored using generative AI tooling?
   
   No.
   


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