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Article ID: 908
Last updated: 05 Feb, 2008
Problem
Cause
Action
I have an RWDBInserter object and executed. I know there is a semantic error. But when I check my inserter object status with the isValid() function, it shows ok. Why?
Cause
RWDBInserter is one of big objects which can be re-used. For instance, it can be executed many times. That's why a particular execution should not been bounded with its object.
Action
DBTools uses RWDBResult to reflect each execution. So the RWDBResult object
should be checked to see if this time the execution has succeeded or not.
Here is an example:
RWDBInserter ins= myTable.inserter();
ins << 10;
RWDBResult res= ins.execute(myConnection);
if( res.isValid() )
{
//...
}
else
{
//...
}Or the user can use error call back function to catch errors.
Similar classes are RWDBSelector, RWDBUpdater, RWDBStoredProc, etc.
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Article ID: 908
Last updated: 05 Feb, 2008
Revision: 1
Views: 3047
Posted: 17 Dec, 1997 by
Dean J.
Updated: 05 Feb, 2008 by
Dean J.
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