Predicate pushdown with late materialization in database query processing

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United States of America Patent

PATENT NO 8862571
SERIAL NO

13537665

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Abstract

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Embodiments of the present invention provide query processing for column stores by accumulating table record attributes during application of query plan operators on a table. The attributes and associated attribute values are compacted when said attribute values are to be consumed for an operation in the query plan, during the execution of the query plan. Table column record values are materialized late in query plan execution.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barber, Ronald J San Jose, US 73 1284
Qiao, Lin San Jose, US 25 342
Raman, Vijayshankar Sunnyvale, US 131 2136
Sidle, Richard S Mountain View, US 62 754

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