DEVICE FOR PROCESSING FORMALLY DEFINED DATA

摘要

A data processing apparatus, comprising a formula editor (210), capable of establishing a formal mathematical formula with variable identifiers, a set of metadata (120; 130) maintaining a correspondence between these identifiers and stored data (110; ), and a code generator (220; 230) capable of generating code executing this formula on these stored data (110). It includes a condition editor (240) for establishing a workable condition expression on tables of a database (100) to provide a data array (195). The formula editor (210) allows a particular notation for a particular operator and a variable identifier, in the presence of which the condition editor (180; 240) is actuated to map to a particular metadata that is a pointer to a condition expression and to a waiting table (195), and the code generator (220; 230) produced by the particular metadata of the executable code solving said condition and fills the waiting table (195) with data from the resolution of the condition and applies the operator to this array.