Home Forums SQL Server 2008 T-SQL (SS2K8) varchar to time or datetime or ARGGHH Please help me. RE: varchar to time or datetime or ARGGHH Please help me.

  • October 2, 2012 at 4:26 pm

    #1544619

    dwain.c (9/26/2012)

    Nice set up data Sean!

    Using it, I'd like to offer a slightly less verbose solution:

    SELECT *, WaitTime=DATEDIFF(minute

    ,CAST(check_in AS TIME)

    ,CAST(STUFF(appt_time, 3, 0, ':') AS TIME))

    FROM #CheckIn

    The STUFF apparently forces the datatype to VARCHAR so minutes aren't lost.

    Both solutions return negative minutes, so you may want to take that into account.

    I think it needs one (semi)slight adjustment:

    SELECT *, WaitTime=DATEDIFF(minute

    ,CAST(check_in AS TIME)

    ,CAST(STUFF(RIGHT('000' + CAST(appt_time AS varchar(4)), 4), 3, 0, ':') AS TIME))

    FROM #CheckIn

    SQL DBA,SQL Server MVP(07, 08, 09) A socialist is someone who will give you the shirt off *someone else's* back.