core/sql/optimizer/ItmFlowControlFunction.cpp

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#include "CharType.h"
#include "NumericType.h"
#include "ItemExpr.h"
#include "ItmFlowControlFunction.h"

//
// ItmDoWhile
//

// synthesizeType
//
const NAType *ItmDoWhileFunction::synthesizeType() {
  return &child(0)->castToItemExpr()->getValueId().getType();
};

// copyTopNode
//
ItemExpr *ItmDoWhileFunction::copyTopNode(ItemExpr *derivedNode, 
					 CollHeap *outHeap) {
  ItemExpr *result;

  if(derivedNode == NULL) {
    result = new(outHeap) ItmDoWhileFunction(NULL,NULL);
  }
  else
    result = derivedNode;

  return BuiltinFunction::copyTopNode(result, outHeap);
};


//
// ItmBlockFunction
//

// synthesizeType
//
// Returns the type of the second argument.
//
const NAType *ItmBlockFunction::synthesizeType() {
  return &child(1)->castToItemExpr()->getValueId().getType();
};

// copyTopNode
//
ItemExpr *ItmBlockFunction::copyTopNode(ItemExpr *derivedNode, 
					 CollHeap *outHeap) {
  ItemExpr *result;

  if(derivedNode == NULL) {
    result = new(outHeap) ItmBlockFunction(NULL,NULL);
  }
  else
    result = derivedNode;

  return BuiltinFunction::copyTopNode(result, outHeap);
};

//
// ItmWhile
//

// synthesizeType
//
const NAType *ItmWhileFunction::synthesizeType() {
  return &child(0)->castToItemExpr()->getValueId().getType();
};

// copyTopNode
//
ItemExpr *ItmWhileFunction::copyTopNode(ItemExpr *derivedNode, 
					 CollHeap *outHeap) {
  ItemExpr *result;

  if(derivedNode == NULL) {
    result = new(outHeap) ItmWhileFunction(NULL,NULL);
  }
  else
    result = derivedNode;

  return BuiltinFunction::copyTopNode(derivedNode, outHeap);
};