Using different groups of query graph transform modules to generate execution plans for queries for different database types
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United States of America Patent
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Apr 10, 2012
Grant Date -
May 21, 2009
app pub date -
Nov 15, 2007
filing date -
Nov 15, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Provided are a method, system, and article of manufacture for using different groups of query graph transform modules to generate execution plans for queries for different database types. A plurality of first type query translator modules include information indicating a first data store type to which the first query translator modules apply and a plurality of second query translator modules include information indicating a second data store type to which the first query translator modules apply. A query is received to query a target data store. A determination is made as to whether the target data store is of the first data store type or the second data store type. The first query translator modules are used to translate the received query to a query execution plan in response to determining that the target data store is of the first data store type. The second query translator modules are used to translate the received query to a query execution plan in response to determining that the target data store is of the second data store type.
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