Method remove

pattern/db/__init__.py:2011–2014

(self, column)

            self.insert(len(self), column, default, j<len(fields) and fields[j] or None)
    
    def remove(self, column):
        if isinstance(column, DatasheetColumn) and column._datasheet == self._datasheet:
            self.pop(column._j); return
        raise ValueError, "list.remove(x): x not in list"
    
    def pop(self, j):
        column = list(self[j]) # Return a list copy.