Package | Description |
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com.bigdata.bop.solutions |
This package provides distinct, sort, and aggregation operators.
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Modifier and Type | Class and Description |
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class |
GroupByRewriter
Utility class simplifies an aggregation operator through a rewrite.
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Modifier and Type | Method and Description |
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IGroupByRewriteState |
GroupByOp.getGroupByRewrite() |
Constructor and Description |
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GroupByRewriter(IGroupByRewriteState rewrittenState)
Special construct creates a distinct instance of each
IAggregate
in order to avoid side-effects in the internal state of the
IAggregate functions when evaluated in different contexts (e.g.,
a pipelined aggregation subquery). |
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