[jira] [Created] (CALCITE-2358) Use null literal instead of empty string as argument for timestamp_parse Druid expression

[slim bouguerra (JIRA)]

slim bouguerra created CALCITE-2358:
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             Summary: Use null literal instead of empty string as argument for 
timestamp_parse Druid expression
                 Key: CALCITE-2358
                 URL: https://issues.apache.org/jira/browse/CALCITE-2358
             Project: Calcite
          Issue Type: Bug
          Components: druid
            Reporter: slim bouguerra
            Assignee: slim bouguerra


With the new ability to support null values in Druid, empty string is not equal 
to null anymore.
To enable auto format parser {code}timestamp_parser{code} Druid function 
expects null literal as format argument.




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