Joining tables with the aggregate function

I have 4 tables and I joined and I got my output variables. Joiner_1
I have another table and I used joiner_1 fields to match this table and had joiner_2. Then, I used aggregator on joiner_2 to get the sum and max values.

I traced all my outputs of the target of joiner_1 table. and 2 fields I got in Joiner_2 I have them at home to the target table, but it gives me error saying:

API8003: The attributes of the connection target group is already connected to a source of incompatible data. Use Carpenter or fixed operator to join the data upstream first before plugging it in this operator.

How to do this.

Basically, what I'm trying to do is.

example my target table has 10 fields

I get 8 fields by adhering to a set of tables, 2 other fields I need to get another table by matching the two my first join of output fields.

If my first join returns 8 rows for each row, it returns I could have several lines in the table of another that I need to get the money and put it in my table of objectives for the other 2 fields. My target table should be 8 rows after this is all done.

If I join my table another one at my first joints I get more lines.

Thanks in advance.

Hello

Try this,

After the 4th Carpenter, I assume you have all three fields in there.

Add to your aggregator it and use a fith Carpenter and join the 4th and fifth Carpenter

you would have all three fields and the field of the aggregator

Then try to complete the objective.

If this does not work please let me know.

Published by: Dinesh.Sharma on June 8, 2009 09:31

Published by: Dinesh.Sharma on June 8, 2009 09:32

Tags: Business Intelligence

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    ERROR on line 8:
    ORA-00904: "B". "" WORKORDERSOI ": invalid identifier

    First of all, I don't see why the update statement does not work (it's probably obvious, but I'm not)

    Secondly, it is the best approach for updating a column (or columns) that are incorrect, with the columns in the same table which are correct, or is there a better way?

    I would sooner update the table rather than delete or truncate then re insert, as it was a trigger for insert/update I had to disable it on the notice re and truncate the table unusable a demand so I was re insert.

    Thank you

    Hello

    First of all, after post 79, you need to know how to format your code.

    Your last request reads as follows:

    UPDATE
  mnt.workorders_copy
SET
  comappstat =
  (
    SELECT DISTINCT
      a.comappstat
    FROM
      mnt.workorders a
    , mnt.workorders_copy b
    WHERE
      a.workordersoi    = b.workordersoi
      AND a.comappstat != b.comappstat
  )
WHERE
  a.comappstat      != b.comappstat
  AND a.workordersoi = b.workordersoi

    This will not work for several reasons:
    The sub query allows you to define a and b and outside the breakets you can't refer to a or b.
    There is no link between the mnt.workorders_copy and the the update and the request of void.

    If you do this you should have something like this:

    UPDATE
  mnt.workorders     A      -- THIS IS THE TABLE YOU WANT TO UPDATE
SET
  A.comappstat =
  (
    SELECT
      B.comappstat
    FROM
      mnt.workorders_copy B   -- THIS IS THE TABLE WITH THE CORRECT (OLD) VALUES
    WHERE
      a.workordersoi    = b.workordersoi      -- THIS MUST BE THE KEY
      AND a.comappstat != b.comappstat
  )
WHERE
  EXISTS
  (
    SELECT
      B.comappstat
    FROM
      mnt.workorders_copy B
    WHERE
      a.workordersoi    = b.workordersoi      -- THIS MUST BE THE KEY
      AND a.comappstat != b.comappstat
  )

    Speed is not so good that you run the query to sub for each row in mnt.workorders
    Note it is condition in where. You need other wise, you will update the unchanged to null values.

    I wouold do it like this:

    UPDATE
  (
    SELECT
      A.workordersoi
      ,A.comappstat
      ,B.comappstat           comappstat_OLD

    FROM
      mnt.workorders        A      -- THIS IS THE TABLE YOU WANT TO UPDATE
      ,mnt.workorders_copy  B      -- THIS IS THE TABLE WITH THE CORRECT (OLD) VALUES

    WHERE
      a.workordersoi    = b.workordersoi      -- THIS MUST BE THE KEY
      AND a.comappstat != b.comappstat
  ) C

SET
  C.comappstat = comappstat_OLD
;

    This way you can test the subquery first and know exectly what will be updated.
    This was not a sub query that is executed for each line preformance should be better.

    Kind regards

    Peter

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