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<TITLE>Custom Error Handling</TITLE>
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<H1>Custom Error Handling</H1>
<P><UL>
<LI><H2>Dont want to just Print or Raise an Error?
</H2>
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<LI>Now you can Handle it as well
<UL>
$h->{HandleError} = sub {
};
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<LI><H2>The HandleError code
</H2>
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<LI>is called just before PrintError/RaiseError are handled
<LI>its passed
<UL>
<LI>the error message string that RaiseError/PrintError would use
<LI>the DBI handle being used
<LI>the first value being returned by the method that failed (typically undef)
</UL><LI>if it returns false then RaiseError/PrintError are checked and acted upon as normal
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<LI><H2>
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<LI><H2>The handler code can
</H2>
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<LI>alter the error message text by changing $_[0]
<LI>use caller() or Carp::confess() or similar to get a stack trace
<LI>use Exception or a similar module to throw a formal exception object</UL></UL></P>
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