Josh Rosen created SPARK-48837:
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Summary: In CountVectorizer, only read binary parameter once per
transform, not once per row
Key: SPARK-48837
URL: https://issues.apache.org/jira/browse/SPARK-48837
Project: Spark
Issue Type: Improvement
Components: ML
Affects Versions: 2.0.0
Reporter: Josh Rosen
Assignee: Josh Rosen
Fix For: 4.0.0
SPARK-13629 added a binary parameter to CountVectorizer, but due to the way the
code is structured the configuration parameter is read once-per-row in a UDF.
Instead, we should read it once-per-transform call (similar to how other
parameters are read).
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