Increasing parallelism of function evaluation in a database

Details Increasing parallelism of function evaluation in a database Increasing parallelism of function evaluation in a database

2007-02-06

2007-02-06

An, Meng-Ai T. (Department: 2195)

Electrical computers and digital processing systems: virtual mac

Task management or control

Process scheduling

C718S100000, C718S107000, C707S793000, C707S793000, C707S793000, C707S793000, C707S793000, C707S793000

Reexamination Certificate

active

10302358

ABSTRACT:
Methods and apparatus for parallel execution in a database system. In one implementation, a database system includes: one or more data storage facilities for use in storing data composing records in tables of a database; one or more processing modules configured to manage the data stored in the data-storage facilities, where at least one processing module is configured to: open a memory pipe for a pipe operator, run a first thread to execute a pipe source operation providing output data to the memory pipe, and run a second thread to execute a pipe sink operation receiving input data from the memory pipe while the first thread is running; and a database management component configured to parse an expression and recognize a pipe operator and a pipe source operation and a pipe sink operation for the pipe operator.

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