Method and system for pipelined database table functions
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United States of America Patent
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Sep 5, 2006
Grant Date -
N/A
app pub date -
Aug 24, 2001
filing date -
Aug 24, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A method and mechanism for pipelined table functions is disclosed. With pipelining, data from a first table function does not have to be materialized into a complete collection before it is consumed by a succeeding table function. Instead, a producer of data creates a stream of data that is immediately utilized by a consumer of that data. Also disclosed is a method and mechanism for parallel processing of table functions, in which the set of work operated upon by a table function is sub-divided into smaller portions that are assigned to a plurality of table function slaves. Also disclosed is an integration between pipelining and parallelized execution for table functions.
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