sqlarray.py 文件源码

def merge_table(self,name):
        """Merge an existing table in the database with the __self__ table.

        n = a.merge_table(<name>)

        Executes as 'INSERT INTO __self__ SELECT * FROM <name>'.
        However, this method is probably used less often than the simpler merge(recarray).

        :Arguments:
        name         name of the table in the database (must be compatible with __self__)

        :Returns:
        n            number of inserted rows
        """
        l_before = len(self)
        SQL = """INSERT OR ABORT INTO __self__ SELECT * FROM %s""" % name
        self.sql(SQL)
        l_after = len(self)
        return l_after - l_before