sqlalchemy.exc.DuplicateColumnError

exception documentation

class DuplicateColumnError(ArgumentError): (source)

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a Column is being added to a Table that would replace another Column, without appropriate parameters to allow this in place. .. versionadded:: 2.0.0b4

Inherited from SQLAlchemyError (via ArgumentError):

Method __str__ Undocumented
Method _message Undocumented
Method _sql_message Undocumented

Inherited from HasDescriptionCode (via ArgumentError, SQLAlchemyError):

Method __init__ Undocumented
Instance Variable code Undocumented
Method _code_str Undocumented