LAE

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Originally posted by: cbs

I have a field that I want to change the data value of. When i do this:

emit surname.trim() as surname

it gives me an error that says:
ERROR initializing expert output:
1 field definition errors occurred while initializing output, unable to continue.

Installing log (05/17/2007 12:21:04) ...
2007-05-17 12:21:04; Level: 2; Type: 0; Desc: "Explicit definition of output field 'Surname' at line 2 conflicts with the following implicit field definitions: 1:Surname (line 2)"; File: "\\src\\tip\\ra_dev\\code\\source\\brain\\ExprTabl eOutput.cpp"; Line: 853; Context: "ExprTableOutput::finishFieldDefinition()"
2007-05-17 12:21:04; Level: 2; Type: 0; Desc: "1 field definition errors occurred while initializing output, unable to continue."; File: "\\src\\tip\\ra_dev\\code\\source\\brain\\ExprTabl eOutput.cpp"; Line: 872; Context: "ExprTableOutput::finishFieldDefinition()"
2007-05-17 12:21:04; Level: 2; Type: 0; Desc: "...exception seen"; File: "\\src\\tip\\ra_dev\\code\\source\\brain\\ExprTabl eIo.cpp"; Line: 152; Context: "ExprTableIo::finalizeOutputs()"
2007-05-17 12:21:04; Level: 2; Type: 0; Desc: "...exception seen"; File: "\\src\\tip\\ra_dev\\code\\source\\brain\\NodeCont rol.cpp"; Line: 977; Context: "Salmon::NED::NodeControl::initializeExpert()"
Uninstalling log (05/17/2007 12:21:04) ...

Note: This was originally posted by an inactive account. Content was preserved by moving under an admin account.

Originally posted by: bsmith

All you need to do is this:

override emit *, surname.trim() as surname

notice the "override" keyword. this tells brain that you want to override the value of the data in an existing column