casacore::TableExprGroupLast Class Reference

Class derived from TableExprGroupFuncBase for the first value in a group. More...

#include <ExprGroup.h>

Inheritance diagram for casacore::TableExprGroupLast:

List of all members.

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

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Detailed Description

Class derived from TableExprGroupFuncBase for the first value in a group.

Intended use:

Internal

Review Status

Test programs:

tExprGroup

Synopsis

This class keeps the TableExprId of the last value in a group. The 'getXXX' functions get the value for that TableExprId.
For ease of use this class is derived from TableExprGroupFirst.

Definition at line 318 of file ExprGroup.h.

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Constructor & Destructor Documentation

casacore::TableExprGroupLast::TableExprGroupLast

(

TableExprNodeRep *

node

)

[explicit]

virtual casacore::TableExprGroupLast::~TableExprGroupLast

(

)

[virtual]

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Member Function Documentation

virtual void casacore::TableExprGroupLast::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.

Reimplemented from casacore::TableExprGroupFirst.

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

• casacore/tables/TaQL/ExprGroup.h