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field update

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    #1

    field update

    Hi Phorum,

    I have created an operation/update to update a field (c:\dos_zip\dues.dbf (char,11)from c:\program files\a5v4\union\dues.dbf. I am using the following expression;

    STRTRAN(SOC_SEC,"soc_sec=""","@c:\program files\union\members-"soc_sec")

    When I run the operation it states that 31,740 records had been updated.

    If I run it again it states the same thing when I expect it to say 0 records were updated. If I open the table I see that soc_sec is blank in all records.

    All suggestions will be gratefully accepted,
    efs
    Tags: None
    #2
    RE: field update

    Ed, I'm assuming you've given us the expression you're using to update the Soc_Sec field in the dos_zip\dues table. If so, it's time to hit the books. Check the docs on the STRTRAN() function.

    A rough translation of your expression is this:

    1) for each record in the dues table
    2) examine the Soc_Sec

    Comment

      #3
      RE: field update

      Ed, I'm assuming you've given us the expression you're using to update the Soc_Sec field in the dos_zip\dues table. If so, it's time to hit the books. Check the docs on the STRTRAN() function.

      A rough translation of your expression is this:

      1) for each record in the dues table
      2) examine the Soc_Sec field to see if the string "soc_sec= """ is present
      3) if so, replace the Soc_Field value with "@c:\program files\union\members-"soc_sec"
      4) otherwise do nothing.

      So, all the records are checked and nothing is done. Over and over.

      Tell us what it is you really want to do.

      -- tom

      Comment

        #4
        RE: field update

        Hi Tom,

        First off .... thank you for responding. I think you got the answer to what I want by reading your first reply.

        I want to fill in a blank soc_sec field in the C:\dos_zip\ dues.dbf with data from (soc_sec)c:\program files\a5v4\union\dues.dbf.

        Thanks again for your time,
        Ed

        Comment

          #5
          RE: field update

          Ed,

          I'd begin by thinking of how I'd do this one at a time. First thought here is that I'd use the lookup() function to retrieve the correct SSAN from the source table, and then write it to the target table in the correct record. I believe the lookup() funciton is what you could use to do this across the entire table, using an Update operation defined for the target table.

          What prompted you to try STRITRAN() ?

          -- tom

          Comment

            #6
            RE: field update

            Hi Tom,

            Thank you again for replying. A couple of years ago I used the same expression in an update and it worked very well in this same application. Now about 2 or more years later the union was forced to dig up some very old data from the archives that had not had a soc_sec field in it at the time since data at that time was not needed for data that old. But when the union was suddenly required to save their data differently it became necessary to use a set and at that time someone in the forum suggested I use the strtran to update the dues table in order to provide a good linking field between the members table and the dues table, as I had said earlier it did the job very well. Why it worked then but not now is beyond me.

            I also found an append in an old version that for unknown reasons also that works very well on about 75% of the records. it seems to me that I probaly used the append at that time. Curiously, I ran the update after he append and it deleted soc_sec in all of the dues table records.

            Thanks again,
            Ed

            Comment

              #7
              RE: field update

              Hi Tom,

              I don't know why I did not use the lookup in the first place (it seems to be the easiest way). However I just put it in the soc_sec field rules of the target table and it did the same thing as the append operation, meaning that it covered about 75% of the records. Why it doesn't work on all of them is for agent 007 to solve.

              Agent 001 (Ed)

              Comment

                #8
                RE: field update

                Maybe some folks have joined up for whom you never collected SSAN information????

                -- tom

                Comment

                  #9
                  RE: field update

                  Maybe some of the members' names are spelled differently in the two tables????

                  -- tom

                  Comment

                    #10
                    RE: field update

                    Hi Tom,

                    I just noticed that the ones that did not get get updated are duplicates. I will now delete the dupes.
                    Thanks again,
                    Ed

                    Comment

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