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SQL code generation for heterogeneous environment

  • US 20050028134A1
  • Filed: 07/07/2004
  • Published: 02/03/2005
  • Est. Priority Date: 07/07/2003
  • Status: Active Grant
First Claim
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1. A method for generating machine executable code for implementing a query of a database, the database having tables and records of data, comprising the steps of:

  • receiving a subject query;

    forming an execution plan corresponding to the subject query, the execution plan having a sequence of pieces and corresponding processes for implementing the pieces; and

    for at least one piece of the plan, (a) generating source code using different code generation techniques as a function of an expected processing machine type; and

    (b) compiling the generated source code to form machine executable code for implementing the subject query, said generated source code thereby avoiding runtime interpretation of the pieces in the execution plan.

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