×

Direct call threaded code

  • US 7,392,245 B1
  • Filed: 07/28/2000
  • Issued: 06/24/2008
  • Est. Priority Date: 07/30/1999
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method for pre-processing an access plan generated for a query in a relational database management system to include a direct call mechanism replacing a lookup function of a run-time interpreter, said access plan including a plurality of operation codes, each of said operation codes being associated with one or more executable functions for performing the query, said method comprising the steps of:

  • (a) determining from the access plan an executable function associated with a first operation code; and

    (b) augmenting said first operation code in the access plan with a pointer to said executable function to provide a direct call mechanism replacing a lookup function of a run-time interpreter.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×