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Status Not under consideration
Workspace IBM i
Categories Db2 for i
Created by Guest
Created on Jun 30, 2022

SQL Function to Round Up Decimal/Precision

Create new SQL function roundup or update ceiling to allow decimal result with a defined precision.

We commonly need to round up to 1 or 2 decimal points.

Given round( 24.03 , 1 ) results in 24.0

But in our use cases, we need to roundup so that we get a value of 24.1

roundup ( 24.03 , 1 ) results in 24.1

Idea priority Low
  • Guest
    Jul 26, 2022
    IBM does not intend to provide a solution to this request at this time, so it is being closed.

    There is an existing scalar function that can be used to solve this request. The QUANTIZE scalar function works with a numeric value as a decimal floating point data type. The second argument represents the number of decimal positions that should be returned in the result. It uses the CURRENT DECFLOAT ROUNDING MODE special register when decimal digits are removed.

    For example, take a decimal number with 4 decimal positions and use the ROUND_UP rule to return just 2 decimal positions in the result:
    SET CURRENT DECFLOAT ROUNDING MODE = ROUND_UP; -- define the special register value to be used for dynamic statements
    VALUES CAST(QUANTIZE(765.4321, .01) AS DECIMAL(7, 2)); -- result is 765.44
    Notice that the result of the function is a decimal floating point data type. If you need the value returned as a decimal number, use CAST as shown in the example to re-establish your preferred precision and scale.

    Db2 for i development
    IBM Power Systems Development