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Is it because you are defining the cast field as 15,2 instead of 10,2?


On Wed, May 15, 2013 at 4:13 PM, Darryl Freinkel <
dfreinkel@xxxxxxxxxxxxxxxxx> wrote:

I have a problem using this SQL command.



In the following example, the select statement works, but when I try to use
it on a UPDATE statement it fails :



-----------------------------------------

Update qtemp.arfcred10

set Hours_on_Hold = cast( timestampdiff( 8, cast(Release_date - hold_date
as char(22) ) ) as dec(15, 2) ) ;

-----------------------------------------

select release_date, hold_date,

cast( timestampdiff( 8, cast(Release_date - hold_date as
char(22) )) as dec(10, 2) )

from qtemp.ARFCRED10

where release_date > '0001-01-01 00:00:00.000000';



Hours_on_Hold is defined as decimal(10,2)





The error reported is:



SQL State: 22003

Vendor Code: -406

Message: [SQL0406] Conversion error on assignment to column HOURS00001.
Cause . . . . . : During an attempt to assign a value to column
HOURS00001
with an INSERT, UPDATE, ALTER TABLE, or REFRESH TABLE statement, conversion
error type 1 occurred. If precompiling, the error occurred when converting
a
numeric constant to the same attributes as column HOURS00001. A list of the
error types follows: -- Error type 1 is overflow. -- Error type 2 is
floating point overflow. -- Error type 3 is floating point underflow. --
Error type 4 is a floating point conversion error. -- Error type 5 is not
an
exact result. -- Error type 6 is numeric data that is not valid. -- Error
type 7 is DBCS data that is not valid. Recovery . . . : Change the
statement so that the result value fits in column HOURS00001 and is valid,
or create the table or view again, specifying a new type or length for
column HOURS00001 so that the result value can be assigned. Technical
description . . . . . . . . : During precompile, an attempt is made to
convert numeric constants in INSERT and UPDATE statements to the attributes
of the target column. This would improve performance when the program is
called.





TIA



Darryl Freinkel | Assignment 400 Group, Inc.



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