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Posted to issues-all@impala.apache.org by "Csaba Ringhofer (Jira)" <ji...@apache.org> on 2020/02/20 19:25:00 UTC

[jira] [Created] (IMPALA-9409) Cleanup From/To Unix time functions in TimestampValue

Csaba Ringhofer created IMPALA-9409:
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             Summary: Cleanup From/To Unix time functions in TimestampValue
                 Key: IMPALA-9409
                 URL: https://issues.apache.org/jira/browse/IMPALA-9409
             Project: IMPALA
          Issue Type: Improvement
          Components: Backend
            Reporter: Csaba Ringhofer


https://gerrit.cloudera.org/#/c/15222/  changes the local time versions of functions like FromUnixTime() to use an optimized path if the timezone is UTC (as no conversion is necessary in this case). This makes the UTC versions redundant.

The aim is to reduce the number of functions after benchmarking to prove that they no longer have performance benefits.



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