casacore::TableExprNodeColumn Class Reference

Scalar column in table select expression tree. More...

#include <ExprDerNode.h>

Inheritance diagram for casacore::TableExprNodeColumn:

List of all members.

Public Member Functions
	TableExprNodeColumn (const Table &, const String &columnName)
	~TableExprNodeColumn ()
virtual void	getColumnNodes (vector< TableExprNodeRep * > &cols)
	This node represents a table column.
virtual void	disableApplySelection ()
	Do not apply the selection.
virtual void	applySelection (const Vector< uInt > &rownrs)
	Re-create the column object for a selection of rows.
Bool	getColumnDataType (DataType &) const
	Get the data type of this scalar column.
Bool	getBool (const TableExprId &id)
	Get the data for the given id.
Int64	getInt (const TableExprId &id)
Double	getDouble (const TableExprId &id)
DComplex	getDComplex (const TableExprId &id)
String	getString (const TableExprId &id)
const TableColumn &	getColumn () const
Array< Bool >	getColumnBool (const Vector< uInt > &rownrs)
	Get the data for the given rows.
Array< uChar >	getColumnuChar (const Vector< uInt > &rownrs)
Array< Short >	getColumnShort (const Vector< uInt > &rownrs)
Array< uShort >	getColumnuShort (const Vector< uInt > &rownrs)
Array< Int >	getColumnInt (const Vector< uInt > &rownrs)
Array< uInt >	getColumnuInt (const Vector< uInt > &rownrs)
Array< Float >	getColumnFloat (const Vector< uInt > &rownrs)
Array< Double >	getColumnDouble (const Vector< uInt > &rownrs)
Array< Complex >	getColumnComplex (const Vector< uInt > &rownrs)
Array< DComplex >	getColumnDComplex (const Vector< uInt > &rownrs)
Array< String >	getColumnString (const Vector< uInt > &rownrs)
Static Public Member Functions
static Unit	getColumnUnit (const TableColumn &)
	Get the column unit (can be empty).
Protected Attributes
Table	selTable_p
TableColumn	tabCol_p
Bool	applySelection_p

---

Detailed Description

Scalar column in table select expression tree.

Intended use:

Internal

Review Status

Reviewed By:

UNKNOWN

Date Reviewed:

before2004/08/25

Prerequisite

• TableExprNode

Synopsis

This class represents a scalar column in a table select expression tree. When the select expression gets evaluated, the value of the given row in the column is used.

Definition at line 299 of file ExprDerNode.h.

---

Constructor & Destructor Documentation

casacore::TableExprNodeColumn::TableExprNodeColumn	(	const Table &	,
		const String &	columnName
	)

casacore::TableExprNodeColumn::~TableExprNodeColumn

(

)

---

Member Function Documentation

virtual void casacore::TableExprNodeColumn::applySelection

(

const Vector< uInt > &

rownrs

)

[virtual]

Re-create the column object for a selection of rows.

Reimplemented from casacore::TableExprNodeRep.

virtual void casacore::TableExprNodeColumn::disableApplySelection

(

)

[virtual]

Do not apply the selection.

Reimplemented from casacore::TableExprNodeRep.

Bool casacore::TableExprNodeColumn::getBool

(

const TableExprId &

id

)

[virtual]

Get the data for the given id.

Reimplemented from casacore::TableExprNodeRep.

const TableColumn& casacore::TableExprNodeColumn::getColumn

(

)

const

Array<Bool> casacore::TableExprNodeColumn::getColumnBool

(

const Vector< uInt > &

rownrs

)

[virtual]

Get the data for the given rows.

Reimplemented from casacore::TableExprNodeRep.

Array<Complex> casacore::TableExprNodeColumn::getColumnComplex

(

const Vector< uInt > &

rownrs

)

[virtual]

Reimplemented from casacore::TableExprNodeRep.

Bool casacore::TableExprNodeColumn::getColumnDataType

(

DataType &

)

const [virtual]

Get the data type of this scalar column.

Reimplemented from casacore::TableExprNodeRep.

Array<DComplex> casacore::TableExprNodeColumn::getColumnDComplex

(

const Vector< uInt > &

rownrs

)

[virtual]

Reimplemented from casacore::TableExprNodeRep.

Array<Double> casacore::TableExprNodeColumn::getColumnDouble

(

const Vector< uInt > &

rownrs

)

[virtual]

Reimplemented from casacore::TableExprNodeRep.

Array<Float> casacore::TableExprNodeColumn::getColumnFloat

(

const Vector< uInt > &

rownrs

)

[virtual]

Reimplemented from casacore::TableExprNodeRep.

Array<Int> casacore::TableExprNodeColumn::getColumnInt

(

const Vector< uInt > &

rownrs

)

[virtual]

Reimplemented from casacore::TableExprNodeRep.

virtual void casacore::TableExprNodeColumn::getColumnNodes

(

vector< TableExprNodeRep * > &

cols

)

[virtual]

This node represents a table column.

Reimplemented from casacore::TableExprNodeBinary.

Array<Short> casacore::TableExprNodeColumn::getColumnShort

(

const Vector< uInt > &

rownrs

)

[virtual]

Reimplemented from casacore::TableExprNodeRep.

Array<String> casacore::TableExprNodeColumn::getColumnString

(

const Vector< uInt > &

rownrs

)

[virtual]

Reimplemented from casacore::TableExprNodeRep.

Array<uChar> casacore::TableExprNodeColumn::getColumnuChar

(

const Vector< uInt > &

rownrs

)

[virtual]

Reimplemented from casacore::TableExprNodeRep.

Array<uInt> casacore::TableExprNodeColumn::getColumnuInt

(

const Vector< uInt > &

rownrs

)

[virtual]

Reimplemented from casacore::TableExprNodeRep.

static Unit casacore::TableExprNodeColumn::getColumnUnit

(

const TableColumn &

)

[static]

Get the column unit (can be empty).

Array<uShort> casacore::TableExprNodeColumn::getColumnuShort

(

const Vector< uInt > &

rownrs

)

[virtual]

Reimplemented from casacore::TableExprNodeRep.

DComplex casacore::TableExprNodeColumn::getDComplex

(

const TableExprId &

id

)

[virtual]

Reimplemented from casacore::TableExprNodeRep.

Double casacore::TableExprNodeColumn::getDouble

(

const TableExprId &

id

)

[virtual]

Reimplemented from casacore::TableExprNodeRep.

Int64 casacore::TableExprNodeColumn::getInt

(

const TableExprId &

id

)

[virtual]

Reimplemented from casacore::TableExprNodeRep.

String casacore::TableExprNodeColumn::getString

(

const TableExprId &

id

)

[virtual]

Reimplemented from casacore::TableExprNodeRep.

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Member Data Documentation

Bool casacore::TableExprNodeColumn::applySelection_p [protected]

Definition at line 344 of file ExprDerNode.h.

Table casacore::TableExprNodeColumn::selTable_p [protected]

Definition at line 342 of file ExprDerNode.h.

TableColumn casacore::TableExprNodeColumn::tabCol_p [protected]

Definition at line 343 of file ExprDerNode.h.

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

• casacore/tables/TaQL/ExprDerNode.h