Data processing: database and file management or data structures – Database design – Data structure types
Patent
1997-11-14
2000-05-16
Hafiz, Tariq R.
Data processing: database and file management or data structures
Database design
Data structure types
395708, 707 6, 707101, G06F 945
Patent
active
060648171
ABSTRACT:
A method, apparatus, and article for solving the year 2000 problem involves limited modifications in the data definition portions of the source code and compiler or interpreter support for processing the modified source code. Fields in the source code that contain a year or date values are identified and, for each such field, the user selects an appropriate technique (for example, expansion, compression or windowing). The user modifies the data definition for each identified field, by adding new attributes to request the selected technique. The user then compiles or interprets the program and resolves any ambiguous references to the variables whose definitions were modified. This procedure is applied, module by module, and each processed module is merged into production, after testing, by using a compiler option to disable the use of the new attributes. A compiler or interpreter option provides for the generation of debugger hooks for each statement that has been affected by modified declarations, which may be used with a suitably equipped debugger or other run-time analysis tool.
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Carter William Augustus
Elderon Alan Roeder
Magee Timothy David
Nicholas Mark David
Saade Henry Y.
Hafiz Tariq R.
International Business Machines - Corporation
Sattizahn Brian
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