casacore
Public Member Functions | Static Public Member Functions | Private Member Functions | Private Attributes | List of all members
casacore::TableExprAggrNode Class Reference

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#include <ExprAggrNode.h>

Public Member Functions

 TableExprAggrNode (FunctionType, NodeDataType, ValueType, const TableExprNodeSet &source, const vector< TENShPtr > &nodes, const Block< Int > &dtypeOper)
 Constructor. More...
 
virtual void getAggrNodes (std::vector< TableExprNodeRep * > &aggr)
 Get the nodes representing an aggregate function. More...
 
TENShPtr operand ()
 Get the operand node. More...
 
virtual CountedPtr< TableExprGroupFuncBasemakeGroupAggrFunc ()
 Create the correct aggregate function object. More...
 
virtual Bool isLazyAggregate () const
 Is the aggregate function a lazy or an immediate one? More...
 
virtual Bool getBool (const TableExprId &id)
 Functions to get the result of an aggregate function. More...
 
virtual Int64 getInt (const TableExprId &id)
 
virtual Double getDouble (const TableExprId &id)
 
virtual DComplex getDComplex (const TableExprId &id)
 
virtual String getString (const TableExprId &id)
 
virtual MVTime getDate (const TableExprId &id)
 
- Public Member Functions inherited from casacore::TableExprFuncNode
 TableExprFuncNode (FunctionType, NodeDataType, ValueType, const TableExprNodeSet &source, const vector< TENShPtr > &nodes, const Block< Int > &dtypeOper, const Table &=Table())
 Constructor. More...
 
 ~TableExprFuncNode ()
 Destructor. More...
 
Bool getBool (const TableExprId &id)
 'get' Functions to get the desired result of a function More...
 
Int64 getInt (const TableExprId &id)
 
Double getDouble (const TableExprId &id)
 
DComplex getDComplex (const TableExprId &id)
 
String getString (const TableExprId &id)
 
TaqlRegex getRegex (const TableExprId &id)
 
MVTime getDate (const TableExprId &id)
 
void fillUnits ()
 Fill the result unit in the node. More...
 
void fillChildNodes (const vector< TENShPtr > &nodes, const Block< Int > &dtypeOper)
 Link the children to the node and convert the children to constants if possible. More...
 
Double getScale () const
 Get possible unit scale factor (needed for sqrt). More...
 
const std::vector< TENShPtr > & operands () const
 Some functions to be used by TableExprNodeFuncArray. More...
 
std::vector< TENShPtr > & rwOperands ()
 
FunctionType funcType () const
 
NodeDataType argDataType () const
 
- Public Member Functions inherited from casacore::TableExprNodeMulti
 TableExprNodeMulti (NodeDataType, ValueType, OperType, const TableExprNodeRep &source)
 Constructor. More...
 
virtual ~TableExprNodeMulti ()
 Destructor. More...
 
virtual void show (ostream &, uInt indent) const
 Show the expression tree. More...
 
virtual void getColumnNodes (std::vector< TableExprNodeRep * > &cols)
 Get the nodes representing a table column. More...
 
const std::vector< TENShPtr > & getChildren () const
 Get the child nodes. More...
 
- Public Member Functions inherited from casacore::TableExprNodeRep
 TableExprNodeRep (NodeDataType, ValueType, OperType, ArgType, ExprType, Int ndim, const IPosition &shape, const Table &table)
 Construct a node. More...
 
 TableExprNodeRep (NodeDataType, ValueType, OperType, const Table &)
 This constructor is called from the derived TableExprNodeRep. More...
 
 TableExprNodeRep (const TableExprNodeRep &)
 Copy constructor. More...
 
virtual ~TableExprNodeRep ()
 The destructor deletes all the underlying TableExprNode objects. More...
 
virtual void disableApplySelection ()
 Do not apply the selection. More...
 
virtual void applySelection (const Vector< rownr_t > &rownrs)
 Re-create the column object for a selection of rows. More...
 
virtual Double getUnitFactor () const
 Get the unit conversion factor. More...
 
void checkAggrFuncs ()
 Throw an exception if an aggregate function is used in the expression node or its children. More...
 
virtual MArray< BoolgetArrayBool (const TableExprId &id)
 Get an array value for this node in the given row. More...
 
virtual MArray< Int64getArrayInt (const TableExprId &id)
 
virtual MArray< DoublegetArrayDouble (const TableExprId &id)
 
virtual MArray< DComplex > getArrayDComplex (const TableExprId &id)
 
virtual MArray< StringgetArrayString (const TableExprId &id)
 
virtual MArray< MVTimegetArrayDate (const TableExprId &id)
 
void get (const TableExprId &id, Bool &value)
 General get functions for template purposes. More...
 
void get (const TableExprId &id, Int64 &value)
 
void get (const TableExprId &id, Double &value)
 
void get (const TableExprId &id, DComplex &value)
 
void get (const TableExprId &id, MVTime &value)
 
void get (const TableExprId &id, String &value)
 
void get (const TableExprId &id, MArray< Bool > &value)
 
void get (const TableExprId &id, MArray< Int64 > &value)
 
void get (const TableExprId &id, MArray< Double > &value)
 
void get (const TableExprId &id, MArray< DComplex > &value)
 
void get (const TableExprId &id, MArray< MVTime > &value)
 
void get (const TableExprId &id, MArray< String > &value)
 
MArray< BoolgetBoolAS (const TableExprId &id)
 Get a value as an array, even it it is a scalar. More...
 
MArray< Int64getIntAS (const TableExprId &id)
 
MArray< DoublegetDoubleAS (const TableExprId &id)
 
MArray< DComplex > getDComplexAS (const TableExprId &id)
 
MArray< StringgetStringAS (const TableExprId &id)
 
MArray< MVTimegetDateAS (const TableExprId &id)
 
virtual Bool hasBool (const TableExprId &id, Bool value)
 Does a value occur in an array or set? The default implementation tests if it is in an array. More...
 
virtual Bool hasInt (const TableExprId &id, Int64 value)
 
virtual Bool hasDouble (const TableExprId &id, Double value)
 
virtual Bool hasDComplex (const TableExprId &id, const DComplex &value)
 
virtual Bool hasString (const TableExprId &id, const String &value)
 
virtual Bool hasDate (const TableExprId &id, const MVTime &value)
 
virtual MArray< BoolhasArrayBool (const TableExprId &id, const MArray< Bool > &value)
 
virtual MArray< BoolhasArrayInt (const TableExprId &id, const MArray< Int64 > &value)
 
virtual MArray< BoolhasArrayDouble (const TableExprId &id, const MArray< Double > &value)
 
virtual MArray< BoolhasArrayDComplex (const TableExprId &id, const MArray< DComplex > &value)
 
virtual MArray< BoolhasArrayString (const TableExprId &id, const MArray< String > &value)
 
virtual MArray< BoolhasArrayDate (const TableExprId &id, const MArray< MVTime > &value)
 
rownr_t nrow () const
 Get the number of rows in the table associated with this expression. More...
 
virtual Bool getColumnDataType (DataType &) const
 Get the data type of the column. More...
 
virtual Array< BoolgetColumnBool (const Vector< rownr_t > &rownrs)
 Get the value of the expression evaluated for the entire column. More...
 
virtual Array< uChargetColumnuChar (const Vector< rownr_t > &rownrs)
 
virtual Array< ShortgetColumnShort (const Vector< rownr_t > &rownrs)
 
virtual Array< uShortgetColumnuShort (const Vector< rownr_t > &rownrs)
 
virtual Array< IntgetColumnInt (const Vector< rownr_t > &rownrs)
 
virtual Array< uIntgetColumnuInt (const Vector< rownr_t > &rownrs)
 
virtual Array< Int64getColumnInt64 (const Vector< rownr_t > &rownrs)
 
virtual Array< FloatgetColumnFloat (const Vector< rownr_t > &rownrs)
 
virtual Array< DoublegetColumnDouble (const Vector< rownr_t > &rownrs)
 
virtual Array< Complex > getColumnComplex (const Vector< rownr_t > &rownrs)
 
virtual Array< DComplex > getColumnDComplex (const Vector< rownr_t > &rownrs)
 
virtual Array< StringgetColumnString (const Vector< rownr_t > &rownrs)
 
virtual void ranges (Block< TableExprRange > &)
 Convert the tree to a number of range vectors which at least select the same things. More...
 
NodeDataType dataType () const
 Get the data type of the derived TableExprNode object. More...
 
Bool isReal () const
 Is the data type real (i.e., integer or double)? More...
 
ValueType valueType () const
 Get the value type. More...
 
void setValueType (ValueType vtype)
 Set the value type. More...
 
OperType operType () const
 Get the operator type. More...
 
ExprType exprType () const
 Get the expression type. More...
 
Bool isConstant () const
 Is the expression a constant? More...
 
const Unitunit () const
 Get the unit. More...
 
void setUnit (const Unit &unit)
 Set the unit. More...
 
const Recordattributes () const
 Get the attributes. More...
 
void setAttributes (const Record &)
 Set the attributes. More...
 
Int ndim () const
 Get the fixed dimensionality (same for all rows). More...
 
const IPositionshape () const
 Get the fixed shape (same for all rows). More...
 
const IPositionshape (const TableExprId &id)
 Get the shape for the given row. More...
 
virtual Bool isDefined (const TableExprId &id)
 Is the value in the given row defined? The default implementation returns True. More...
 
Tabletable ()
 Get table. More...
 
const Tabletable () const
 
virtual void adaptSetUnits (const Unit &)
 Let a set node convert itself to the given unit. More...
 

Static Public Member Functions

static NodeDataType checkOperands (Block< Int > &dtypeOper, ValueType &resVT, FunctionType ftype, std::vector< TENShPtr > &nodes)
 Check the operands of the aggregate function and return the result's data type. More...
 
- Static Public Member Functions inherited from casacore::TableExprFuncNode
static NodeDataType checkOperands (Block< Int > &dtypeOper, ValueType &resVT, Block< Int > &vtypeOper, FunctionType, std::vector< TENShPtr > &)
 Check the data and value types of the operands. More...
 
static void getPrintFormat (String &fmt, Int &width, Int &prec, const std::vector< TENShPtr > &operands, const TableExprId &id)
 Get the possible print format, width, and/or precision. More...
 
static String stringDT (const MVTime &dt, Int prec, MVTime::formatTypes)
 Convert the date and/or time to a string. More...
 
static String stringDateTime (const MVTime &dt, Int prec)
 
static String stringDate (const MVTime &dt)
 
static String stringTime (const MVTime &dt, Int prec)
 
static String stringValue (Bool val, const String &fmt, Int width)
 Convert a value to a string. More...
 
static String stringValue (Int64 val, const String &fmt, Int width)
 
static String stringValue (Double val, const String &fmt, Int width, Int prec, const std::pair< int, int > &mvFormat, const Unit &unit)
 
static String stringValue (const DComplex &val, const String &fmt, Int width, Int prec)
 
static String stringValue (const String &val, const String &fmt, Int width)
 
static String stringValue (const MVTime &val, const String &fmt, Int width, const std::pair< int, int > &mvFormat)
 
static String stringAngle (double val, Int prec, MVAngle::formatTypes type)
 Convert angle to a string (hms or dms). More...
 
static String stringHMS (double val, Int prec)
 
static String stringDMS (double val, Int prec)
 
static std::pair< int, int > getMVFormat (const String &fmt)
 Get the MVTime/Angle format and optional precision. More...
 
static double angdist (double ra1, double dec1, double ra2, double dec2)
 Get the angular distance between two positions on a sphere. More...
 
static Int64 string2Int (const String &)
 Read a string as an integer, double, complex or bool. More...
 
static Double string2Real (const String &)
 
static DComplex string2Complex (const String &)
 
static Bool string2Bool (const String &)
 
- Static Public Member Functions inherited from casacore::TableExprNodeMulti
static uInt checkNumOfArg (uInt low, uInt high, const std::vector< TENShPtr > &nodes)
 Check number of arguments low <= number_of_args <= high It throws an exception if wrong number of arguments. More...
 
static NodeDataType checkDT (Block< Int > &dtypeOper, NodeDataType dtIn, NodeDataType dtOut, const std::vector< TENShPtr > &nodes, Bool dateConv=True)
 Check datatype of nodes and return output type. More...
 
- Static Public Member Functions inherited from casacore::TableExprNodeRep
static TENShPtr replaceConstNode (const TENShPtr &node)
 Replace a node with a constant expression by node with its value. More...
 
static void createRange (Block< TableExprRange > &, TableExprNodeColumn *, Double start, Double end)
 Create a range object from a column and an interval. More...
 
static void createRange (Block< TableExprRange > &)
 Create a empty range object. More...
 
static String typeString (NodeDataType)
 Convert a NodeDataType to a string. More...
 
static String typeString (ValueType)
 Convert a ValueType to a string. More...
 

Private Member Functions

TableExprGroupFuncBasedoMakeGroupAggrFunc ()
 Do the actual creation of the correct aggregate function object. More...
 

Private Attributes

CountedPtr< TableExprGroupFuncBaseitsFunc
 

Additional Inherited Members

- Public Types inherited from casacore::TableExprFuncNode
enum  FunctionType {
  piFUNC ,
  eFUNC ,
  cFUNC ,
  near2FUNC ,
  near3FUNC ,
  nearabs2FUNC ,
  nearabs3FUNC ,
  sinFUNC ,
  sinhFUNC ,
  cosFUNC ,
  coshFUNC ,
  expFUNC ,
  logFUNC ,
  log10FUNC ,
  sqrtFUNC ,
  powFUNC ,
  conjFUNC ,
  squareFUNC ,
  cubeFUNC ,
  minFUNC ,
  maxFUNC ,
  normFUNC ,
  absFUNC ,
  argFUNC ,
  realFUNC ,
  imagFUNC ,
  intFUNC ,
  asinFUNC ,
  acosFUNC ,
  atanFUNC ,
  atan2FUNC ,
  tanFUNC ,
  tanhFUNC ,
  signFUNC ,
  roundFUNC ,
  floorFUNC ,
  ceilFUNC ,
  fmodFUNC ,
  complexFUNC ,
  arrsumFUNC ,
  arrsumsFUNC ,
  runsumFUNC ,
  boxsumFUNC ,
  arrproductFUNC ,
  arrproductsFUNC ,
  runproductFUNC ,
  boxproductFUNC ,
  arrsumsqrFUNC ,
  arrsumsqrsFUNC ,
  runsumsqrFUNC ,
  boxsumsqrFUNC ,
  arrminFUNC ,
  arrminsFUNC ,
  runminFUNC ,
  boxminFUNC ,
  arrmaxFUNC ,
  arrmaxsFUNC ,
  runmaxFUNC ,
  boxmaxFUNC ,
  arrmeanFUNC ,
  arrmeansFUNC ,
  runmeanFUNC ,
  boxmeanFUNC ,
  arrvariance0FUNC ,
  arrvariances0FUNC ,
  runvariance0FUNC ,
  boxvariance0FUNC ,
  arrvariance1FUNC ,
  arrvariances1FUNC ,
  runvariance1FUNC ,
  boxvariance1FUNC ,
  arrstddev0FUNC ,
  arrstddevs0FUNC ,
  runstddev0FUNC ,
  boxstddev0FUNC ,
  arrstddev1FUNC ,
  arrstddevs1FUNC ,
  runstddev1FUNC ,
  boxstddev1FUNC ,
  arravdevFUNC ,
  arravdevsFUNC ,
  runavdevFUNC ,
  boxavdevFUNC ,
  arrrmsFUNC ,
  arrrmssFUNC ,
  runrmsFUNC ,
  boxrmsFUNC ,
  arrmedianFUNC ,
  arrmediansFUNC ,
  runmedianFUNC ,
  boxmedianFUNC ,
  arrfractileFUNC ,
  arrfractilesFUNC ,
  runfractileFUNC ,
  boxfractileFUNC ,
  arranyFUNC ,
  arranysFUNC ,
  runanyFUNC ,
  boxanyFUNC ,
  arrallFUNC ,
  arrallsFUNC ,
  runallFUNC ,
  boxallFUNC ,
  arrntrueFUNC ,
  arrntruesFUNC ,
  runntrueFUNC ,
  boxntrueFUNC ,
  arrnfalseFUNC ,
  arrnfalsesFUNC ,
  runnfalseFUNC ,
  boxnfalseFUNC ,
  arrayFUNC ,
  transposeFUNC ,
  areverseFUNC ,
  resizeFUNC ,
  diagonalFUNC ,
  isnanFUNC ,
  isinfFUNC ,
  isfiniteFUNC ,
  isdefFUNC ,
  isnullFUNC ,
  iscolFUNC ,
  iskeyFUNC ,
  ndimFUNC ,
  nelemFUNC ,
  shapeFUNC ,
  strlengthFUNC ,
  upcaseFUNC ,
  downcaseFUNC ,
  capitalizeFUNC ,
  sreverseFUNC ,
  trimFUNC ,
  ltrimFUNC ,
  rtrimFUNC ,
  substrFUNC ,
  replaceFUNC ,
  regexFUNC ,
  patternFUNC ,
  sqlpatternFUNC ,
  datetimeFUNC ,
  mjdtodateFUNC ,
  mjdFUNC ,
  dateFUNC ,
  timeFUNC ,
  yearFUNC ,
  monthFUNC ,
  dayFUNC ,
  cmonthFUNC ,
  weekdayFUNC ,
  cdowFUNC ,
  weekFUNC ,
  ctodFUNC ,
  cdateFUNC ,
  ctimeFUNC ,
  stringFUNC ,
  hmsFUNC ,
  dmsFUNC ,
  hdmsFUNC ,
  randFUNC ,
  rownrFUNC ,
  rowidFUNC ,
  iifFUNC ,
  angdistFUNC ,
  angdistxFUNC ,
  conesFUNC ,
  cones3FUNC ,
  anyconeFUNC ,
  anycone3FUNC ,
  findconeFUNC ,
  findcone3FUNC ,
  normangleFUNC ,
  boolFUNC ,
  nullarrayFUNC ,
  marrayFUNC ,
  arrdataFUNC ,
  arrmaskFUNC ,
  negatemaskFUNC ,
  replmaskedFUNC ,
  replunmaskedFUNC ,
  arrflatFUNC ,
  FirstAggrFunc ,
  countallFUNC ,
  gcountFUNC ,
  gfirstFUNC ,
  glastFUNC ,
  gminFUNC ,
  gmaxFUNC ,
  gsumFUNC ,
  gproductFUNC ,
  gsumsqrFUNC ,
  gmeanFUNC ,
  gvariance0FUNC ,
  gvariance1FUNC ,
  gstddev0FUNC ,
  gstddev1FUNC ,
  grmsFUNC ,
  ganyFUNC ,
  gallFUNC ,
  gntrueFUNC ,
  gnfalseFUNC ,
  FirstAggrArrayFunc ,
  gminsFUNC ,
  gmaxsFUNC ,
  gsumsFUNC ,
  gproductsFUNC ,
  gsumsqrsFUNC ,
  gmeansFUNC ,
  gvariances0FUNC ,
  gvariances1FUNC ,
  gstddevs0FUNC ,
  gstddevs1FUNC ,
  grmssFUNC ,
  ganysFUNC ,
  gallsFUNC ,
  gntruesFUNC ,
  gnfalsesFUNC ,
  LastAggrArrayFunc ,
  ghistFUNC ,
  gaggrFUNC ,
  growidFUNC ,
  gmedianFUNC ,
  gfractileFUNC ,
  gexpridFUNC ,
  NRFUNC
}
 
- Public Types inherited from casacore::TableExprNodeRep
enum  NodeDataType {
  NTBool ,
  NTInt ,
  NTDouble ,
  NTComplex ,
  NTString ,
  NTRegex ,
  NTDate ,
  NTReal ,
  NTDouCom ,
  NTNumeric ,
  NTAny
}
 Define the data types of a node. More...
 
enum  ValueType {
  VTScalar ,
  VTArray ,
  VTRecord ,
  VTSetElem ,
  VTSet ,
  VTIndex
}
 Define the value types. More...
 
enum  OperType {
  OtPlus ,
  OtMinus ,
  OtTimes ,
  OtDivide ,
  OtModulo ,
  OtBitAnd ,
  OtBitOr ,
  OtBitXor ,
  OtBitNegate ,
  OtEQ ,
  OtGE ,
  OtGT ,
  OtNE ,
  OtIN ,
  OtAND ,
  OtOR ,
  OtNOT ,
  OtMIN ,
  OtColumn ,
  OtField ,
  OtLiteral ,
  OtFunc ,
  OtSlice ,
  OtUndef ,
  OtRownr ,
  OtRandom
}
 Define the operator types. More...
 
enum  ArgType {
  NoArr ,
  ArrArr ,
  ArrSca ,
  ScaArr
}
 Define the value types of the 2 arguments when arrays are involved. More...
 
enum  ExprType {
  Constant ,
  Variable
}
 Define (sub-)expression type. More...
 
- Protected Member Functions inherited from casacore::TableExprNodeRep
virtual const IPositiongetShape (const TableExprId &id)
 Get the shape for the given row. More...
 
virtual void convertConstChild ()
 If one of the children is a constant, convert its data type to that of the other operand (if appropriate). More...
 
void checkTablePtr (const TENShPtr &node)
 Check if this node uses the same table pointer. More...
 
void fillExprType (const TENShPtr &node)
 Set expression type to Variable if node is Variable. More...
 
- Static Protected Member Functions inherited from casacore::TableExprNodeRep
static void checkTablePtr (Table &table, const TENShPtr &node)
 
static void fillExprType (ExprType &, const TENShPtr &node)
 
static TENShPtr convertNode (const TENShPtr &thisNode, Bool convertConstType)
 If the node is constant, it is evaluated and replaced by the appropriate TableExprNodeConst object. More...
 
- Protected Attributes inherited from casacore::TableExprNodeMulti
std::vector< TENShPtroperands_p
 
- Protected Attributes inherited from casacore::TableExprNodeRep
Table table_p
 
NodeDataType dtype_p
 
ValueType vtype_p
 
OperType optype_p
 
ArgType argtype_p
 
ExprType exprtype_p
 
Int ndim_p
 
IPosition shape_p
 
Unit unit_p
 
Record attributes_p
 

Detailed Description

TaQL node representing a scalar aggregate function

Intended use:

Internal

Review Status

Test programs:
tTableGram

Synopsis

A TableExprAggrNode object is a special TableExprFuncNode object. Instead of operating on a single row, it operates on a group of table rows, usually formed by means of the GROUPBY clause. It aggregates the values in the rows in the group by means of an aggregation function derived from TableExprGroupFuncBase. Several standard aggregation functions (e.g., gmean, gmin, gsum) are defined in TaQL and implemented this way.

There are two types of aggregate function implementations:

Note that this class handles operands that are a scalar or array. If array, all values in the array are used as individual values. Class TableExprAggrNodeArray handles aggregate functions giving an array result (e.g., function gaggr).

It is also possible to define an aggregate function in a UDF derived from class UDFBase. Such an aggregate function is instantiated as a TableExprUDFNode(Array) object, not as TabeExprAggrNode(Array). These functions are always lazy.

Definition at line 83 of file ExprAggrNode.h.

Constructor & Destructor Documentation

◆ TableExprAggrNode()

casacore::TableExprAggrNode::TableExprAggrNode ( FunctionType  ,
NodeDataType  ,
ValueType  ,
const TableExprNodeSet source,
const vector< TENShPtr > &  nodes,
const Block< Int > &  dtypeOper 
)

Constructor.

Member Function Documentation

◆ checkOperands()

static NodeDataType casacore::TableExprAggrNode::checkOperands ( Block< Int > &  dtypeOper,
ValueType resVT,
FunctionType  ftype,
std::vector< TENShPtr > &  nodes 
)
static

Check the operands of the aggregate function and return the result's data type.

◆ doMakeGroupAggrFunc()

TableExprGroupFuncBase* casacore::TableExprAggrNode::doMakeGroupAggrFunc ( )
private

Do the actual creation of the correct aggregate function object.

◆ getAggrNodes()

virtual void casacore::TableExprAggrNode::getAggrNodes ( std::vector< TableExprNodeRep * > &  aggr)
virtual

Get the nodes representing an aggregate function.

Reimplemented from casacore::TableExprNodeMulti.

◆ getBool()

virtual Bool casacore::TableExprAggrNode::getBool ( const TableExprId id)
virtual

Functions to get the result of an aggregate function.

Reimplemented from casacore::TableExprNodeRep.

◆ getDate()

virtual MVTime casacore::TableExprAggrNode::getDate ( const TableExprId id)
virtual

Reimplemented from casacore::TableExprNodeRep.

◆ getDComplex()

virtual DComplex casacore::TableExprAggrNode::getDComplex ( const TableExprId id)
virtual

Reimplemented from casacore::TableExprNodeRep.

◆ getDouble()

virtual Double casacore::TableExprAggrNode::getDouble ( const TableExprId id)
virtual

Reimplemented from casacore::TableExprNodeRep.

◆ getInt()

virtual Int64 casacore::TableExprAggrNode::getInt ( const TableExprId id)
virtual

Reimplemented from casacore::TableExprNodeRep.

◆ getString()

virtual String casacore::TableExprAggrNode::getString ( const TableExprId id)
virtual

Reimplemented from casacore::TableExprNodeRep.

◆ isLazyAggregate()

virtual Bool casacore::TableExprAggrNode::isLazyAggregate ( ) const
virtual

Is the aggregate function a lazy or an immediate one?

Reimplemented from casacore::TableExprNodeRep.

◆ makeGroupAggrFunc()

virtual CountedPtr<TableExprGroupFuncBase> casacore::TableExprAggrNode::makeGroupAggrFunc ( )
virtual

Create the correct aggregate function object.

It is also kept in case it is a lazy aggregate function.

Reimplemented from casacore::TableExprNodeRep.

◆ operand()

TENShPtr casacore::TableExprAggrNode::operand ( )
inline

Get the operand node.

Definition at line 102 of file ExprAggrNode.h.

References casacore::TableExprFuncNode::operands().

Member Data Documentation

◆ itsFunc

CountedPtr<TableExprGroupFuncBase> casacore::TableExprAggrNode::itsFunc
private

Definition at line 127 of file ExprAggrNode.h.


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