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07.28.2006 at 08:12PM PDT, ID: 21936132
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8.2

HOW TO CAST a CHAR to INTEGER OR SMALLINT

Asked by Conrad44 in Interbase / Firebird Database

Tags: , ,

I Store some small values in a single CHAR column.
When i retrive these char values in my C# code I can easily convert them to numerical values.
I have to perform some operation on the char value in a stored procedure (it involves masking off some bits).
WHEN I try to simply cast the value to INTEGER I get a run time database error.  'conversion error from string".

here is an example:

DECLARE VARIABLE VAR1 CHAR(1);
DECLARE VARIABLE INT1 INTEGER;

INT1 = CAST(VAR1 AS INTEGER); - error!

I think that casting tries to convert string to integer and this particular character doesn't represent a number.

Is there any way to extract the numerical value of the char in the database domain?

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[+][-]07.28.2006 at 09:30PM PDT, ID: 17206379

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[+][-]07.29.2006 at 12:32AM PDT, ID: 17206801

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[+][-]07.29.2006 at 07:29AM PDT, ID: 17207715

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[+][-]07.29.2006 at 08:17AM PDT, ID: 17207892

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About this solution

Zone: Interbase / Firebird Database
Tags: cast, integer, char
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Solution Provided By: NickUpson
Participating Experts: 2
Solution Grade: B
 
 
 
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