casacore::TableExprGroupRowid Class Reference

Class collecting the rowids of entries in a group. More...

#include <ExprGroup.h>

Inheritance diagram for casacore::TableExprGroupRowid:

List of all members.

Public Member Functions
	TableExprGroupRowid (TableExprNodeRep *node)
virtual	~TableExprGroupRowid ()
virtual Bool	isLazy () const
	Does the aggregate function use lazy semantics? The default implementation returns False.
virtual void	apply (const TableExprId &id)
	Get the operand's value for the given row and apply it to the aggregation.
virtual MArray< Int64 >	getArrayInt (const vector< TableExprId > &)

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Detailed Description

Class collecting the rowids of entries in a group.

Intended use:

Internal

Review Status

Test programs:

tExprGroup

Synopsis

This class collects the row numbers of the rows in a group.

Definition at line 358 of file ExprGroup.h.

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Constructor & Destructor Documentation

casacore::TableExprGroupRowid::TableExprGroupRowid

(

TableExprNodeRep *

node

)

[explicit]

virtual casacore::TableExprGroupRowid::~TableExprGroupRowid

(

)

[virtual]

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Member Function Documentation

virtual void casacore::TableExprGroupRowid::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.

virtual MArray<Int64> casacore::TableExprGroupRowid::getArrayInt

(

const vector< TableExprId > &

)

[virtual]

Reimplemented from casacore::TableExprGroupFuncBase.

virtual Bool casacore::TableExprGroupRowid::isLazy

(

)

const [virtual]

Does the aggregate function use lazy semantics? The default implementation returns False.

Reimplemented from casacore::TableExprGroupFuncBase.

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

• casacore/tables/TaQL/ExprGroup.h