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

#include <ExprGroupAggrFunc.h>

Inheritance diagram for casacore::TableExprGroupCountAll:

Public Member Functions
	TableExprGroupCountAll (TableExprNodeRep *node)

virtual	~TableExprGroupCountAll ()

virtual void	apply (const TableExprId &id)
	Get the operand's value for the given row and apply it to the aggregation. More...

void	setResult (Int64 cnt)
	Set result in case it is known directly. More...

Public Member Functions inherited from casacore::TableExprGroupFuncInt
	TableExprGroupFuncInt (TableExprNodeRep *node, Int64 initValue=0)

virtual	~TableExprGroupFuncInt ()

virtual Int64	getInt (const vector< TableExprId > &)

virtual Double	getDouble (const vector< TableExprId > &)

Public Member Functions inherited from casacore::TableExprGroupFuncBase
	TableExprGroupFuncBase (TableExprNodeRep *node)
	Construct from the TaQL aggregation node. More...

virtual	~TableExprGroupFuncBase ()

virtual Bool	isLazy () const
	Does the aggregate function use lazy semantics? The default implementation returns False. More...

uInt	seqnr () const
	Get the function's sequence nr. More...

void	setSeqnr (uInt seqnr)
	Set the function's sequence nr. More...

virtual void	finish ()
	If needed, finish the aggregation. More...

virtual CountedPtr< vector < TableExprId > >	getIds () const
	Get the assembled TableExprIds of a group. More...

virtual Bool	getBool (const vector< TableExprId > &=vector< TableExprId >())
	Get the aggregated value. More...

virtual DComplex	getDComplex (const vector< TableExprId > &=vector< TableExprId >())

virtual MVTime	getDate (const vector< TableExprId > &=vector< TableExprId >())

virtual String	getString (const vector< TableExprId > &=vector< TableExprId >())

virtual MArray< Bool >	getArrayBool (const vector< TableExprId > &=vector< TableExprId >())

virtual MArray< Int64 >	getArrayInt (const vector< TableExprId > &=vector< TableExprId >())

virtual MArray< Double >	getArrayDouble (const vector< TableExprId > &=vector< TableExprId >())

virtual MArray< DComplex >	getArrayDComplex (const vector< TableExprId > &=vector< TableExprId >())

virtual MArray< MVTime >	getArrayDate (const vector< TableExprId > &=vector< TableExprId >())

virtual MArray< String >	getArrayString (const vector< TableExprId > &=vector< TableExprId >())

Additional Inherited Members
Protected Attributes inherited from casacore::TableExprGroupFuncInt
Int64	itsValue

Protected Attributes inherited from casacore::TableExprGroupFuncBase
TableExprNodeRep *	itsNode

TableExprNodeRep *	itsOperand

uInt	itsSeqnr

Detailed Description

Aggregate class counting number of rows in a group.

Intended use:

Internal

Review Status

Test programs:: tExprGroup

Synopsis

Aggregate class counting number of rows in a group.

Definition at line 52 of file ExprGroupAggrFunc.h.

Constructor & Destructor Documentation

casacore::TableExprGroupCountAll::TableExprGroupCountAll ( TableExprNodeRep * node )

explicit

virtual casacore::TableExprGroupCountAll::~TableExprGroupCountAll ( )

virtual

Member Function Documentation

virtual void casacore::TableExprGroupCountAll::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.

void casacore::TableExprGroupCountAll::setResult ( Int64 cnt )

inline

Set result in case it is known directly.

Definition at line 59 of file ExprGroupAggrFunc.h.

References casacore::TableExprGroupFuncInt::itsValue.

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

casa/casacore/tables/TaQL/ExprGroupAggrFunc.h