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System, method, and program for object building in queries over object views

  • US 6,122,627 A
  • Filed: 05/09/1997
  • Issued: 09/19/2000
  • Est. Priority Date: 05/09/1997
  • Status: Expired due to Fees
First Claim
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1. A software tool comprising program code on a computer usable medium, the software tool comprising:

  • means for receiving view definitions; and

    means for generating object-oriented class definitions from the view definitions, wherein a view collection v is of the view type V and has an implementation M for V specified as a SELECT statement, and wherein the means for generating produces the class definitions according to the following rules;

    a) ordering elements in an object language class constructor as an ordering of elements in a FROM clause of M;

    b) passing, as an argument to an object constructor, a handle on a binding of an ith element, if the ith element in the FROM clause is a view type; and

    c) passing, as another argument to the object constructor, a row type if the jth element in the FROM clause of M is a relational table and ordering arguments of the row type as an order to columns present in the row type.

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