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1. WO2005069163 - METHOD AND SYSTEM FOR A SELF-HEALING QUERY ACCESS PLAN

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

Claims
[001] A method for automatic handling of errors within a database engine, the method comprising the steps of: detecting an error while executing a query access plan;
and in respnse to detecting the error, automatically rebuilding the query access plan to generate a new query access plan.
[002] The method of claim 1 further comprising the steps of: receiving another error while executing a function within the new query access plan; identifying a first imdementation method of the function within the new query access dan; and
rebuilding the new query access plan by replacing the first imdementation
method with a second imdementation method of the function so as to generate a rebuilt query access plan.
[003] The method of claim 1 wherein the error is detected while executing a function within the query access plan; and the rebuilding step includes: identifying a first implementation method of the function within the query access plan; and
rebuilding the query access dan by replacing the first implementation method
with a second imdementation method of the function so as to generate a new
query access dan.
[004] A computer program made up of instructions for, when run on a computer
system, instructing the computer system to carry out the method of any
preceding claim.
[005] An apparatus comprising: at least one processor; a memory coupled with the at least one processor; and a program code residing in memory and executed by the at least one processor, the program code configured to carry out the method of
any preceding method claim.