zhengruifeng opened a new pull request, #47708:
URL: https://github.com/apache/spark/pull/47708
### What changes were proposed in this pull request?
Reimplement `hist` plot with Spark SQL
### Why are the changes needed?
Reimplement `hist` plot with Spark SQL to support Spark Connect, since the
`pyspark.ml.feature.Bucketizer` has not been supported with Spark Connect.
### Does this PR introduce _any_ user-facing change?
yes, follow plotting functions are enabled in Spark Connect:
- {Frame, Series}.plot.hist
- {Frame, Series}.plot(kind="hist", ...)
### How was this patch tested?
1, enabled parity tests;
2, manually check with:
```
import pyspark.pandas as ps
import pandas as pd
import numpy as np
np.random.seed(123)
df = pd.DataFrame(np.random.randint(1, 7, 6000), columns=['one'])
df['two'] = df['one'] + np.random.randint(1, 7, 6000)
df = ps.from_pandas(df)
df.plot.hist(bins=12, alpha=0.5)
```
before (Spark Classic):
after (Spark Connect):
### Was this patch authored or co-authored using generative AI tooling?
No
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