core/sql/comexe/ComTdbTransaction.cpp

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/* -*-C++-*-
****************************************************************************
*
* File:         ComTdbTransaction.cpp
* Description:  
*
* Created:      5/6/98
* Language:     C++
*
*
*
*
****************************************************************************
*/

// -----------------------------------------------------------------------

#include "ComTdbTransaction.h"
#include "ComTdbCommon.h"

/////////////////////////////////////////////////////////////////
// class ComTdbTransaction, ExTransTcb, ExTransPrivateState
/////////////////////////////////////////////////////////////////
ComTdbTransaction::ComTdbTransaction(TransStmtType trans_type,
				     TransMode * trans_mode,
				     ex_expr * diag_area_size_expr,
				     ex_cri_desc * work_cri_desc,
				     ex_cri_desc * given_cri_desc,
				     ex_cri_desc * returned_cri_desc,
				     queue_index down,
				     queue_index up,
				     Lng32 num_buffers,
				     ULng32 buffer_size)
  : ComTdb(ComTdb::ex_TRANSACTION,
	   eye_TRANSACTION,
	   (Cardinality) 0.0,
	   given_cri_desc,
	   returned_cri_desc,
	   down,
	   up, 
	   num_buffers,
	   buffer_size),
    transType_(trans_type),
    transMode_(trans_mode),
    diagAreaSizeExpr_(diag_area_size_expr),
    workCriDesc_(work_cri_desc),
    flags_(0)
{
}

Long ComTdbTransaction::pack(void * space)
{
  transMode_.pack(space);
  diagAreaSizeExpr_.pack(space);
  workCriDesc_.pack(space);
  return ComTdb::pack(space);
}

Lng32 ComTdbTransaction::unpack(void * base, void * reallocator)
{
  if(transMode_.unpack(base, reallocator)) return -1;
  if(diagAreaSizeExpr_.unpack(base, reallocator)) return -1;
  if(workCriDesc_.unpack(base, reallocator)) return -1;
  return ComTdb::unpack(base, reallocator);
}