indexing

	status: "See notice at end of class.";
	Date: "$Date$"
	Revision: "$Revision$"
	Access: SQL, structure
	Product: EiffelStore
	Database: RDBMS

deferred class DB_DATA_SQL

inherit

	DB_DATA

feature  -- Status report

	count: INTEGER is
			-- Number of columns in result
		deferred
		end

	map_table: ARRAY [INTEGER] is
			-- Correspondance table between column
			-- rank and attribute rank in mapped object
		deferred
		end

	column_name (index: INTEGER): STRING is
			-- Name of the `index-th' column
		deferred
		end

	item (index: INTEGER): ANY is
			-- Data at `index-th' column
		deferred
		end

feature -- Status setting

	update_map_table (object: ANY) is
			-- Update map table according to field names of `object'.
		require else
			object_not_void: object /= Void
		deferred
		end

	fill_in (no_descriptor: INTEGER) is
			-- Fill in attributes of Current with results obtained
			-- from server after execution of query statement.
		deferred
		end

feature {NONE} -- Status report

	value: ARRAY [ANY] is
			-- Array of values corresponding to a tuple
		deferred
		end

	value_size: ARRAY [INTEGER] is
			-- Array of result value size for each column
		deferred
		end

	value_type: ARRAY [INTEGER] is
			-- Array of column result type coded according to Eiffel conventions
		deferred
		end

	select_name: ARRAY [STRING] is
			-- Array of selected column names listed in select clause
		deferred
		end

indexing
	copyright:	"Copyright (c) 1984-2006, Eiffel Software and others"
	license:	"Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
	source: "[
			 Eiffel Software
			 356 Storke Road, Goleta, CA 93117 USA
			 Telephone 805-685-1006, Fax 805-685-6869
			 Website http://www.eiffel.com
			 Customer support http://support.eiffel.com
		]"




end -- class DB_DATA_SQL