[jira] [Created] (CALCITE-5770) Implement SAFE_SUBTRACT function (enabled for BigQuery)

[Dan Zou (Jira)]

Dan Zou created CALCITE-5770:
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             Summary: Implement SAFE_SUBTRACT function (enabled for BigQuery)
                 Key: CALCITE-5770
                 URL: https://issues.apache.org/jira/browse/CALCITE-5770
             Project: Calcite
          Issue Type: Sub-task
            Reporter: Dan Zou


Add support for SAFE_SUBTRACT in BigQuery.
SAFE_ADD: Equivalent to the addition operator '-', but returns NULL if overflow 
occurs.



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