[DERBY-2386] timestampdiff function fails when using SQL_TSI_FRAC_SECOND for datepart parameter, except for very small intervals - ASF JIRA

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Using the timestampdiff function produces and integer overflow except for very small intervals. Error message is:

[Error Code: -1, SQL State: 22003] The resulting value is outside the range for the data type INTEGER.

I inserted the following row into my test table:

insert into datetest (ID,
startdate,
enddate) values (
5,
'2006-11-20 04:20:00.0',
'2006-11-20 04:20:00.2');

This test row works:

select

{fn timestampdiff(SQL_TSI_FRAC_SECOND, startdate, enddate)}

as diff from datetest where id = 5

DIFF
200000000

The value also looks too large, which could be exacerbating the problem.