Uses of Class
com.bigdata.bop.solutions.GroupByOp

Packages that use GroupByOp

Package	Description
com.bigdata.bop.solutions	This package provides distinct, sort, and aggregation operators.

Uses of GroupByOp in com.bigdata.bop.solutions

Subclasses of GroupByOp in com.bigdata.bop.solutions

Modifier and Type	Class and Description
class	MemoryGroupByOp An in-memory at-once generalized aggregation operator.
class	PipelinedAggregationOp A pipelined aggregation operator based on an in memory hash table associating with per-group state for each aggregate expression (it can also handle the degenerate case where all solutions form a single implicit group).

Methods in com.bigdata.bop.solutions that return GroupByOp

Modifier and Type	Method and Description
protected GroupByOp	TestPipelinedAggregationOp.newFixture(IValueExpression<?>[] select, IValueExpression<?>[] groupBy, IConstraint[] having)
protected GroupByOp	TestMemoryGroupByOp.newFixture(IValueExpression<?>[] select, IValueExpression<?>[] groupBy, IConstraint[] having)
protected abstract GroupByOp	AbstractAggregationTestCase.newFixture(IValueExpression<?>[] select, IValueExpression<?>[] groupBy, IConstraint[] having) Factory for GroupByOp to be tested.

Constructors in com.bigdata.bop.solutions with parameters of type GroupByOp

Constructor and Description
GroupByOp(GroupByOp op)