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Status Not under consideration
Workspace IBM i
Categories Db2 for i
Created by Guest
Created on Dec 17, 2024

RELATED IDEAS

chg sql to calculate in the right way

See this idea on ideas.ibm.com

Sql calculate with the smalest decimal
calculate (in a Programm or in STRSQL)
select Sum(1,25), sum(1,25/100)*19 from unique-file where unique-key in(a, b) --> 2 record
Show: 2,50 0,38 and that is wrong.
of course if i think of it, ich can calculate with Dec or do the multiplicate first time.
When i Test this funktion with 100 or more Records (instead of 2) the result is right.

So please give us a

set calculate thru or a

select calc(sum(1,25)), calc(sum(1,25/100)*19) from ....with the result

2,50 0,475 or

2,50 0,47 (in case off 9,2 result size)



Idea priority Medium
  • Guest
    Reply
    |     Jan 22, 2025
    IBM does not intend to provide a solution to this Idea at this time, so it is being closed.

    Our decimal arithmetic rules have been established for a very long time and match the other members of the Db2 family. We do not plan to provide an alternate way to calculate results.

    As the writer of a query that performs decimal arithmetic, you need to consider your data and the size of the expected result value. To get the appropriate result for your query, use a CAST within your calculations to ensure decimal precision and scale are adequate for each step along the way.

    For example,
    select sum(1,25), sum(cast(1,25 as decimal(6,3))/100)*19) from ...

    Db2 for i development team
    IBM Power Systems Development

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