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Append Update

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    Append Update

    Doing an append from table 1 to table 2. Table 2 has several fields that calculate results. For example, data is appended to field 5 and then field 6 does a calculation (deriving) from field 5. When running the append, this auto derivation for field 6 works fine. Words fine on field 7, 8 & 9. But field 10 and 11 (deriving) does not work.

    Field 10 uses data from field 7, 8 & 9. Field 11 then uses data from field 10.

    Field 10 is a text field uses this calculation (DOB_MONTH+"/"+DOB_DAY+"/"+DOB_YEAR)

    Field 11 is a date field uses this calculation CTOD(DOB_1)

    Field 7 = DOB_MONTH (text field)
    Field 8 = DOB_DAY (text field)
    Field 9 = DOB_YEAR (text field)
    Field 10 = DOB_1 (text field)
    Field 11 = DOB (date field)

    If after the append, I run "Re-Evaluate Rules", fields 10 and 11 then populate with the derived data.

    Thank you.

    #2
    RE: Append Update

    You might try restating the field rule expressions in terms that do not rely upon other calc fields. i.e. write each using only built in functions and table fieldnames, not using results "derived" from other calc fields.

    -- tom

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      #3
      RE: Append Update

      Tom

      I'd agree with what you are recommending, but this situation is a bit different. I'm importing a DOB. It comes in as a text field as YYYYMMDD. I then parse out the data into three seperate fields of DOB_Year, DOB_Month and DOB_Day. Next I join the fields into the proper context of MM/DD/YYYY and then turn it into a date field.

      What puzzles me is that the derivation works on the three fields, but doesn't go down to the next round.

      Is there a command to insert a command to Recalculate the Calculation field? Or is there a better way to do what I need to do???

      Comment


        #4
        RE: Append Update

        I suggest you give the approach I recommended a try. There is no "derivation" if you use built in functions and table fieldnames. You're having trouble with the fields that are a second layer down. Why? because your expressions use earlier calc field expressions, thereby nesting calcs in a calc. -- tom

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