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"Week Of" function

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  • "Week Of" function

    I know there has to be a function for this, but I was unable to locate it in the Date functions section of the Alpha Documentation.

    I have a simple table that lists crimes by date, time, location, etc. In that table I have a field called "Week of," and I want to take the date of the incident and use a field rule to populate the "Week Of" field with a date that shows the first day of the week the incident occurred in.

    My goal is to have the column header say "Week Of," and the actual field show (for example) "June 6, 2016."

    Any help would be appreciated.


    Thanks,
    Rich
    Sergeant Richard Hartnett
    Hyattsville City Police Department
    Maryland

  • #2
    Re: "Week Of" function

    ?week(date())
    -Steve
    sigpic

    Comment


    • #3
      Re: "Week Of" function

      Thanks Steve, but I don't think that is what I am looking for.

      That function seems to calculate the "week number" in the year, whereas I'm looking for the date of the first day of the week that this event happened in.

      For example: If the crime occurred on June 9th, 2016, the "Week Of" field should read: 06/06/2016" or "June 06, 2016," because June 6 is the first day of that week (Monday). There will be multiple records that have 06/06/2016 as the "Week Of" date, if those crimes occurred anywhere between 06/06/2016 and 06/12/2016 (7-day period).

      I hope this makes sense.
      Sergeant Richard Hartnett
      Hyattsville City Police Department
      Maryland

      Comment


      • #4
        Re: "Week Of" function

        This is probably a better example:
        (But I just typed those "Week of" dates in there for show.)

        Screen Shot 06-22-16 at 05.24 PM.JPG
        Sergeant Richard Hartnett
        Hyattsville City Police Department
        Maryland

        Comment


        • #5
          Re: "Week Of" function

          use a calculated expression
          week_of = crime_date - day_number(cdow(crime_date))
          see if it works
          thanks for reading

          gandhi

          version 11 3381 - 4096
          mysql backend
          http://www.alphawebprogramming.blogspot.com
          ggandhi344@gmail.com
          Skype:ggandhi344@gmail.com
          1 914 924 5171

          Comment


          • #6
            Re: "Week Of" function

            That's it! It was two days off, as it was starting on Saturday instead of Monday, but I just checked with our records supervisor and she prefers that the week start on Sunday, so I just added a +1 to the of your expression and it works exactly as I wanted.

            Thanks Gandhi, and thanks Steve for your quick response.

            Rich
            Sergeant Richard Hartnett
            Hyattsville City Police Department
            Maryland

            Comment


            • #7
              Re: "Week Of" function

              the week starts on sunday for alpha ( except for week_iso) the calculation should give you the correct date,
              sorry it does go back one more day past sunday, so adding one day is correct.
              sorry i missed that one.
              thanks for reading

              gandhi

              version 11 3381 - 4096
              mysql backend
              http://www.alphawebprogramming.blogspot.com
              ggandhi344@gmail.com
              Skype:ggandhi344@gmail.com
              1 914 924 5171

              Comment


              • #8
                Re: "Week Of" function

                No complaints whatsoever, as it was an easy fix!
                Sergeant Richard Hartnett
                Hyattsville City Police Department
                Maryland

                Comment

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