casacore::TableExprGroupCount Class Reference

Aggregate class counting number of rows in a group containing a value. More...

#include <ExprGroupAggrFunc.h>

Inheritance diagram for casacore::TableExprGroupCount:

List of all members.

Public Member Functions
	TableExprGroupCount (TableExprNodeRep *node)
virtual	~TableExprGroupCount ()
virtual void	apply (const TableExprId &id)
	Get the operand's value for the given row and apply it to the aggregation.
Private Attributes
TableExprNodeArrayColumn *	itsColumn

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Detailed Description

Aggregate class counting number of rows in a group containing a value.

Intended use:

Internal

Review Status

Test programs:

tExprGroup

Synopsis

Aggregate class counting number of rows in a group containing a value.

Definition at line 72 of file ExprGroupAggrFunc.h.

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Constructor & Destructor Documentation

casacore::TableExprGroupCount::TableExprGroupCount

(

TableExprNodeRep *

node

)

[explicit]

virtual casacore::TableExprGroupCount::~TableExprGroupCount

(

)

[virtual]

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Member Function Documentation

virtual void casacore::TableExprGroupCount::apply

(

const TableExprId &

id

)

[virtual]

Get the operand's value for the given row and apply it to the aggregation.

This function should not be called for lazy classes.

Implements casacore::TableExprGroupFuncBase.

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Member Data Documentation

TableExprNodeArrayColumn* casacore::TableExprGroupCount::itsColumn [private]

Definition at line 79 of file ExprGroupAggrFunc.h.

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The documentation for this class was generated from the following file:

• casacore/tables/TaQL/ExprGroupAggrFunc.h