The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 05, 2008
Filed:
Nov. 05, 2004
Bruce Gilbert Lindsay, San Jose, CA (US);
Linqi Liu, Toronto, CA;
Robert Paul Neugebauer, Stouffville, CA;
Mir Hamid Pirahesh, San Jose, CA (US);
David C. Sharpe, Oakville, CA;
Nattavut Sutyanyong, Thornhill, CA;
Calisto Paul Zuzarte, Pickering, CA;
Bruce Gilbert Lindsay, San Jose, CA (US);
Linqi Liu, Toronto, CA;
Robert Paul Neugebauer, Stouffville, CA;
Mir Hamid Pirahesh, San Jose, CA (US);
David C. Sharpe, Oakville, CA;
Nattavut Sutyanyong, Thornhill, CA;
Calisto Paul Zuzarte, Pickering, CA;
International Business Machines Corporation, Armonk, NY (US);
Abstract
Disclosed is a data processing system implemented method, a data processing system and an article of manufacture for executing a query having a union operator. The data processing system implemented method directs the data processing system to process a query against data objects. The data objects are operatively coupled to the data processing system. The query includes a parent operator. The parent operator references a union operator. The union operator references sub-queries. The sub-queries reference the data objects. The data processing system implemented method includes noting a set of partitionings for the union operator, the noted set of partitionings being based on the sub-queries and being based on the data objects reference by the sub-queries, and executing the query having the union operator, the execution of the query being based on the noted set of partitionings and the parent operator.