[SPARK-50899][ML][PYTHON][CONNECT] Support PrefixSpan on connect #49763
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zhengruifeng
commented
Feb 2, 2025
| @@ -167,3 +170,27 @@ final class PrefixSpan(@Since("2.4.0") override val uid: String) extends Params | |||
| override def copy(extra: ParamMap): PrefixSpan = defaultCopy(extra) | |||
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| } | |||
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| private[spark] class PrefixSpanWrapper(override val uid: String) | |||
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PrefixSpan is not a transformer or estimator, add such wrapper so that it can be treated as a transformer on spark connect
zhengruifeng
commented
Feb 2, 2025
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| head = output.sort("sequence").head() | ||
| self.assertEqual(head.sequence, [[1]]) | ||
| self.assertEqual(head.freq, 3) |
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PrefixSpan doesn't support save/load
HyukjinKwon
approved these changes
Feb 3, 2025
zhengruifeng
added a commit
that referenced
this pull request
Feb 3, 2025
### What changes were proposed in this pull request? Support PrefixSpan on connect ### Why are the changes needed? feature parity ### Does this PR introduce _any_ user-facing change? yes ### How was this patch tested? added tests ### Was this patch authored or co-authored using generative AI tooling? no Closes #49763 from zhengruifeng/ml_connect_prefix_span. Authored-by: Ruifeng Zheng <[email protected]> Signed-off-by: Ruifeng Zheng <[email protected]> (cherry picked from commit f840abb) Signed-off-by: Ruifeng Zheng <[email protected]>
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merged to master/4.0 |
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What changes were proposed in this pull request?
Support PrefixSpan on connect
Why are the changes needed?
feature parity
Does this PR introduce any user-facing change?
yes
How was this patch tested?
added tests
Was this patch authored or co-authored using generative AI tooling?
no