|Subject||Re: [firebird-support] Test VARCAHR for numeric|
|Author||Walter R. Ojeda Valiente|
On Thu, Apr 23, 2015 at 2:34 PM, sboydlns@... [firebird-support] <firstname.lastname@example.org> wrote:
Is there any way, within a stored procedure, to test a VARCHAR to see if it contains a valid number? I have a parameter that can contain different types of value and it would be nice to be able to know if CAST(param as BIGINT) is going to fail before an exception is thrown.