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  1. IMPALA
  2. IMPALA-7759

Add Levenshtein edit distance built-in function

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    Details

    • Type: New Feature
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: Impala 3.2.0
    • Component/s: None
    • Epic Color:
      ghx-label-2

      Description

      References:

      One notable difference:

      • Netezza: if either value is NULL, returns the length of non-NULL value
      • Postgres: if either value is NULL, returns NULL

      Preference is to implement Postgres version due to ease of cross-system testing.

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            • Assignee:
              grahn Greg Rahn
              Reporter:
              grahn Greg Rahn
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              • Created:
                Updated:
                Resolved: