[jira] [Created] (SPARK-26315) auto cast threshold from Integer to Float in approxSimilarityJoin of BucketedRandomProjectionLSHModel

["Song Ci (JIRA)" <ji...@apache.org>]

Song Ci created SPARK-26315:
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             Summary: auto cast threshold from Integer to Float in approxSimilarityJoin of BucketedRandomProjectionLSHModel
                 Key: SPARK-26315
                 URL: https://issues.apache.org/jira/browse/SPARK-26315
             Project: Spark
          Issue Type: Improvement
          Components: MLlib, PySpark
    Affects Versions: 2.3.2
            Reporter: Song Ci


when I was using 
{code:java}
// code placeholder
BucketedRandomProjectionLSHModel.approxSimilarityJoin(dt_features, dt_features, distCol="EuclideanDistance", threshold=20.)
{code}
I was confused then that this method reported an exception some java method (dataset, dataset, integer, string) fingerprint can not be found.... I think if I give an integer, and the python method of pyspark should be auto-cast this to float if needed. 



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