System and method for query planning and execution

G - Physics – 06 – F

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G06F 17/30 (2006.01) G06Q 40/00 (2012.01)

Patent

CA 2518902

A coordination planner is suitably used for a query framework system for processing a user request for data from one or more data sources. The query framework system comprises multiple query processing components including a set of query operation providers, each being capable of providing a specific query operation. The coordination planner prepares a user request for execution by translating a logical representation of the user request into a physical representation of the user request using the query operation providers, and executes the physical representation of the user request to obtain a result data stream using the query operation providers.

Planificateur de coordination convenant à un système d'interrogation pour le traitement d'une demande utilisateur concernant des données d'une ou de plusieurs sources de données. Le système d'interrogation comprend plusieurs composants de traitement, y compris un ensemble de fournisseurs d'interrogation pouvant chacun fournir une interrogation spécifique. Le planificateur de coordination prépare une demande utilisateur pour l'exécution par la transposition d'une représentation logique de la demande utilisateur en une représentation physique à l'aide des fournisseurs d'interrogation, puis exécute la représentation physique de la demande utilisateur pour obtenir un flux de données à l'aide des fournisseurs d'interrogation.

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