core/sql/parser/ElemDDLParam.cpp

/* -*-C++-*- */
/**********************************************************************
// @@@ START COPYRIGHT @@@
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// Licensed to the Apache Software Foundation (ASF) under one
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/* -*-C++-*-
 *****************************************************************************
 *
 * File:         ElemDDLParam.C
 * Description:  methods for classes relating to columns.
 *               
 *               
 * Created:      10/01/1999
 * Language:     C++
 *
 *
 *
 *
 *****************************************************************************
 */


#include "ComASSERT.h"
#include "ComDiags.h"
#include "ElemDDLParamDef.h"
#include "ElemDDLParamName.h"


// -----------------------------------------------------------------------
// methods for class ElemDDLParamDef
// -----------------------------------------------------------------------

// constructor
ElemDDLParamDef::ElemDDLParamDef( NAType * pParamDataType
                                , ElemDDLParamName * paramName
                                , ComParamDirection paramDirection
                                , CollHeap * heap
                                )
: ElemDDLNode(ELM_PARAM_DEF_ELEM),
  paramName_((paramName == NULL ? "" : paramName->getParamName()), heap),
  paramDataType_(pParamDataType),
  paramDirection_(paramDirection)
{
  ComASSERT(pParamDataType NEQ NULL);
}  // ElemDDLParamDef()

// virtual destructor
ElemDDLParamDef::~ElemDDLParamDef()
{
  // delete data structures owned by the node
  delete paramDataType_;
}

// cast
ElemDDLParamDef *
ElemDDLParamDef::castToElemDDLParamDef()
{
  return this;
}

//
// accessors
//

// get the degree of this node
Int32
ElemDDLParamDef::getArity() const
{
  return MAX_ELEM_DDL_PARAM_DEF_ARITY;
}

ExprNode *
ElemDDLParamDef::getChild(Lng32 index) 
{
  ComASSERT(FALSE);  // No child node exists -- should not call this.
  return this;       // Just to keep the compiler happy.
}

//
// mutators
//


//
// methods for tracing
//

const NAString
ElemDDLParamDef::displayLabel1() const
{
  return NAString("Param name: ") + getParamName();
}

const NAString
ElemDDLParamDef::displayLabel2() const
{
  return NAString("Data type:   ") + getParamDataType()->getSimpleTypeName();
}

NATraceList
ElemDDLParamDef::getDetailInfo() const
{
  NAString        detailText;
  NATraceList detailTextList;

  detailTextList.append(displayLabel1());  // column name
  detailTextList.append(displayLabel2());  // column data type

 
  return detailTextList;

} // ElemDDLParamDef::getDetailInfo()

const NAString
ElemDDLParamDef::getText() const
{
  return "ElemDDLParamDef";
}


// -----------------------------------------------------------------------
// methods for class ElemDDLParamName
// -----------------------------------------------------------------------

// virtual destructor
ElemDDLParamName::~ElemDDLParamName()
{
}

// cast virtual function
ElemDDLParamName *
ElemDDLParamName::castToElemDDLParamName()
{
  return this;
}

// methods for tracing

const NAString
ElemDDLParamName::getText() const
{
  return "ElemDDLParamName";
}

const NAString
ElemDDLParamName::displayLabel1() const
{
  return NAString("Param name: ") + getParamName();
}


//
// End of File
//