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class DB:



    """This is the ZMySQLDA Database Connection Object."""



    def __init__(self,connection):

        """

            connection

               blah blah

        """

        

    def tables(self, rdb=0,

               _care=('TABLE', 'VIEW')):

        """Returns a list of tables in the current database."""



    def columns(self, table_name):

        """Returns a list of column descriptions for 'table_name'."""



    def query(self,query_string, max_rows=1000):

        """Execute 'query_string' and return at most 'max_rows'."""



    def _begin(self, *ignored):

        """Begin a transaction (when TM is enabled)."""

        

    def _finish(self, *ignored):

        """Commit a transaction (when TM is enabled)."""



    def _abort(self, *ignored):

        """Rollback a transaction (when TM is enabled)."""