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  1. IMPALA
  2. IMPALA-8752

Add Jaro-winkler edit distance and similarity built-in function

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Details

    • New Feature
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • Impala 3.3.0
    • None
    • ghx-label-6

    Description

      References:

      Notable difference:

      • With similarity, the Oracle version returns a normalized result ranging from 0 to 100.
      • In the Appache version, null values result in exceptions.
      • Apache rounds the values to two digitsĀ 

      The scaling factor of the algorithm can be added as an extra/default argument.

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            norbertluksa Norbert Luksa
            norbertluksa Norbert Luksa
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              Updated:
              Resolved: