[jira] [Created] (CALCITE-5266) Increase precision of TIMESTAMP, INTERVAL types to microseconds, nanoseconds

["Dmitry Sysolyatin (Jira)" <ji...@apache.org>]

Dmitry Sysolyatin created CALCITE-5266:
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             Summary: Increase precision of TIMESTAMP, INTERVAL types to microseconds, nanoseconds
                 Key: CALCITE-5266
                 URL: https://issues.apache.org/jira/browse/CALCITE-5266
             Project: Calcite
          Issue Type: Improvement
          Components: core
            Reporter: Dmitry Sysolyatin


TIMESTAMP, INTERVAL types can preserve only milliseconds but it would be good to extend precision to microseconds and nanoseconds.

I suggest to use standard java.time classes for representing TIMESTAMP and INTERVAL type internally:
 # TIMESTAMP type can be represent like java.time.Instant
 # INTERVAL type can be represent like java.time.Period + java.time.Duration

What do you guys think ?



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