dbSetNumericalPrecPolicy
==============================================

Purpose
----------------

Sets the current precision policy for all queries used with a specified database connection.

Format
----------------
.. function:: dbSetNumericalPrecPolicy(db_id, prec_policy)

    :param db_id: database connection index number.
    :type db_id: scalar

    :param prec_policy: 

        .. csv-table::
            :widths: auto
    
            "0", "Strings will be used to preserve precision."
            "1", "Force 32-bit integer values."
            "2", "Force 64-bit integer values."
            "4", "Force double values. This is the default policy."

    :type prec_policy: scalar