[jira] [Created] (DRILL-5899) No need to do isAscii check for simple pattern matcher

[Padma Penumarthy (JIRA)]

Padma Penumarthy created DRILL-5899:
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             Summary: No need to do isAscii check for simple pattern matcher
                 Key: DRILL-5899
                 URL: https://issues.apache.org/jira/browse/DRILL-5899
             Project: Apache Drill
          Issue Type: Improvement
          Components: Execution - Flow
            Reporter: Padma Penumarthy
            Assignee: Padma Penumarthy
            Priority: Critical


For simple pattern matcher, we do not have to do isAscii check. 
UTF-8 encoding ensures that no UTF-8 character is a prefix of any other valid 
character. So, for the 4 simple patterns we have i.e. startsWith, endsWith, 
contains and constant, we can get rid of this check. This will help improve 
performance. 




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