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Posted to issues-all@impala.apache.org by "Csaba Ringhofer (JIRA)" <ji...@apache.org> on 2019/03/01 13:01:00 UTC

[jira] [Created] (IMPALA-8268) Speed up TimestampValue->sub-second unix time conversions

Csaba Ringhofer created IMPALA-8268:
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             Summary: Speed up TimestampValue->sub-second unix time conversions
                 Key: IMPALA-8268
                 URL: https://issues.apache.org/jira/browse/IMPALA-8268
             Project: IMPALA
          Issue Type: Improvement
          Components: Backend
            Reporter: Csaba Ringhofer


https://gerrit.cloudera.org/#/c/12247/ adds a few functions to TimestampValue that convert it to unix time with different sub-second precisions.  These functions try to be as simple as possible and could be optimized.

Benchmarks for these functions could be added to be/src/benchmark/convert-timestamp-benchmark.cc



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