[ https://issues.apache.org/jira/browse/CALCITE-7629 ]
Mihai Budiu deleted comment on CALCITE-7629:
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was (Author: JIRAUSER295926):
Apologies, the issue was wrong, I fixed it.
DATEDIFF is the internal representation, so many other functions are converted
to DATEDIFF. Try with TIMESTAMP_DIFF
> TIMESTAMPDIFF is shown in error messages as DATEDIFF
> ----------------------------------------------------
>
> Key: CALCITE-7629
> URL: https://issues.apache.org/jira/browse/CALCITE-7629
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.42.0
> Reporter: Mihai Budiu
> Priority: Minor
>
> The parser uses SqlStdOperatorTable.DATEDIFF to represent TIMETSAMPDIFF In
> consequence, programs that use TIMETSAMPDIFF will actually unparse as
> DATEDIFF, and will report errors about DATEDIFF, e.g.:
> SELECT(TIMESTAMP_DIFF(a, b)) FROM T
> will produce an error message like:
> Invalid number of arguments to function 'DATEDIFF'. Was expecting 3 arguments
> This is confusing for the users.
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