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Apparatus and method for adding an associative query capability to a programming language

  • US 5,761,493 A
  • Filed: 04/30/1990
  • Issued: 06/02/1998
  • Est. Priority Date: 04/30/1990
  • Status: Expired due to Term
First Claim
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1. A method enabling an integration of an object query language for an object-oriented data model with a host language, wherein queries for accessing objects are in said object query language, comprising the steps of:

  • constructing a preprocessor including a grammar coupling the object query language with the host language, wherein said grammar includes query statements to use expressions of the host language in accessing the objects and wherein said query statements access both transient and persistent objects;

    using said preprocessor to preprocess said query statements by parsing, optimizing and translating at least one statement in said object query language into at least one statement of the host language; and

    compiling said statement of the host language into executable code.

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