Method, system, and program for optimizing aggregate processing

Method, system, and program for optimizing aggregate processing

Disclosed is a method, system, and program for processing an aggregate function. Rows that contain a reference to intermediate result structures are grouped to form groups. For each group, aggregate element structures are formed from the intermediate result structures and, if the aggregate function...

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Bibliographische Detailangaben
Hauptverfasser: LEBOVITZ ALLAN BENJAMIN, LEE LI-MEY, LIN FEN-LING, CU JASON ALEXANDER, CHEN YAO CHING STEPHEN, ZHANG GUOGEN, WANG YUN, CAI MENGCHU
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:Disclosed is a method, system, and program for processing an aggregate function. Rows that contain a reference to intermediate result structures are grouped to form groups. For each group, aggregate element structures are formed from the intermediate result structures and, if the aggregate function specifies ordering, the aggregate element structures are sorted based on a sort key.