Method extend

pattern/db/__init__.py:1791–1793

(self, rows, default=None)

    def append(self, row, default=None, _m=None):
        self.insert(len(self), row, default)
    def extend(self, rows, default=None):
        for row in rows:
            self.insert(len(self), row, default)
            
    def group(self, j, function=FIRST, key=lambda v: v):
        """ Returns a datasheet with unique values in column j by grouping rows with the given function.