OW_WQLSelectStatementGen.cpp

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#include "OW_config.h"
#include "OW_WQLSelectStatementGen.hpp"
#include "OW_WQLAst.hpp"
#include "OW_WQLScanUtils.hpp"
#include "OW_CIMException.hpp"

namespace OW_NAMESPACE
{

WQLSelectStatementGen::~WQLSelectStatementGen()
{
}

WQLSelectStatementGen::WQLSelectStatementGen()
   : m_isPropertyList(false)
{
}
void WQLSelectStatementGen::visit_stmt_selectStmt_optSemicolon(
   const stmt_selectStmt_optSemicolon* pstmt_selectStmt_optSemicolon
   )
{
   pstmt_selectStmt_optSemicolon->m_pselectStmt1->acceptInterface(this);
   if (pstmt_selectStmt_optSemicolon->m_poptSemicolon2)
   {
      pstmt_selectStmt_optSemicolon->m_poptSemicolon2->acceptInterface(this);
   }
}
void WQLSelectStatementGen::visit_stmt_updateStmt_optSemicolon(
   const stmt_updateStmt_optSemicolon*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_stmt_insertStmt_optSemicolon(
   const stmt_insertStmt_optSemicolon*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_stmt_deleteStmt_optSemicolon(
   const stmt_deleteStmt_optSemicolon*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optSemicolon_empty(
   const optSemicolon_empty* poptSemicolon_empty
   )
{
}
void WQLSelectStatementGen::visit_optSemicolon_SEMICOLON(
   const optSemicolon_SEMICOLON* poptSemicolon_SEMICOLON
   )
{
}
void WQLSelectStatementGen::visit_insertStmt(
   const insertStmt*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_insertRest_VALUES_LEFTPAREN_targetList_RIGHTPAREN(
   const insertRest_VALUES_LEFTPAREN_targetList_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_insertRest_DEFAULT_VALUES(
   const insertRest_DEFAULT_VALUES*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_insertRest_LEFTPAREN_columnList_RIGHTPAREN_VALUES_LEFTPAREN_targetList_RIGHTPAREN(
   const insertRest_LEFTPAREN_columnList_RIGHTPAREN_VALUES_LEFTPAREN_targetList_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_deleteStmt(
   const deleteStmt*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_updateStmt(
   const updateStmt*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
/*********************************************************
 * SELECT statement
 *  SELECT [distinct] targetEl* [FromClause] [Where Clause]
 *   [Group Clause] [Having Clause] [Sort Clause]
 *********************************************************/
void WQLSelectStatementGen::visit_selectStmt(
   const selectStmt* pselectStmt
   )
{
   // visit the unused ones, to detect an invalid query
   if (pselectStmt->m_poptDistinct2)
   {
      pselectStmt->m_poptDistinct2->acceptInterface(this);
   }
   if (pselectStmt->m_poptGroupClause6)
   {
      pselectStmt->m_poptGroupClause6->acceptInterface(this);
   }
   if (pselectStmt->m_poptHavingClause7)
   {
      pselectStmt->m_poptHavingClause7->acceptInterface(this);
   }
   if (pselectStmt->m_poptSortClause8)
   {
      pselectStmt->m_poptSortClause8->acceptInterface(this);
   }
   // start fresh
   m_stmt.clear();
   // FROM clause
   if (pselectStmt->m_poptFromClause4)
   {
      pselectStmt->m_poptFromClause4->acceptInterface(this);
   }
   // WHERE
   if (pselectStmt->m_poptWhereClause5)
   {
      pselectStmt->m_poptWhereClause5->acceptInterface(this);
   }
   // desired properties
   for (List<targetEl*>::const_iterator i = pselectStmt->m_ptargetList3->begin();
      i != pselectStmt->m_ptargetList3->end();
      ++i )
   {
      (*i)->acceptInterface(this);
   }
}
void WQLSelectStatementGen::visit_exprSeq_aExpr(
   const exprSeq_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_exprSeq_exprSeq_COMMA_aExpr(
   const exprSeq_exprSeq_COMMA_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_exprSeq_exprSeq_USING_aExpr(
   const exprSeq_exprSeq_USING_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optDistinct_empty(
   const optDistinct_empty* poptDistinct_empty
   )
{
}
void WQLSelectStatementGen::visit_optDistinct_DISTINCT(
   const optDistinct_DISTINCT*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optDistinct_DISTINCT_ON_LEFTPAREN_exprSeq_RIGHTPAREN(
   const optDistinct_DISTINCT_ON_LEFTPAREN_exprSeq_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optDistinct_ALL(
   const optDistinct_ALL*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_sortClause(
   const sortClause*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optSortClause_empty(
   const optSortClause_empty* poptSortClause_empty
   )
{
}
void WQLSelectStatementGen::visit_optSortClause_sortClause(
   const optSortClause_sortClause*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_sortby(
   const sortby*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optGroupClause_empty(
   const optGroupClause_empty* poptGroupClause_empty
   )
{
}
void WQLSelectStatementGen::visit_optGroupClause_GROUP_BY_exprSeq(
   const optGroupClause_GROUP_BY_exprSeq*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optHavingClause_empty(
   const optHavingClause_empty*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optHavingClause_HAVING_aExpr(
   const optHavingClause_HAVING_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optFromClause_empty(
   const optFromClause_empty*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optFromClause_FROM_fromList(
   const optFromClause_FROM_fromList* poptFromClause_FROM_fromList
   )
{
   int count = 0;
   for (List<tableRef*>::const_iterator i = poptFromClause_FROM_fromList->m_pfromList2->begin();
      i != poptFromClause_FROM_fromList->m_pfromList2->end();
      ++i, ++count )
   {
      (*i)->acceptInterface(this);
      // only handle one class name in the FROM clause for now.
      if (count != 0)
      {
         OW_THROWCIMMSG(CIMException::INVALID_QUERY, "Only one class name allowed in FROM clause");
      }
   }
}
void WQLSelectStatementGen::visit_tableRef_relationExpr(
   const tableRef_relationExpr* ptableRef_relationExpr
   )
{
   ptableRef_relationExpr->m_prelationExpr1->acceptInterface(this);
}
void WQLSelectStatementGen::visit_tableRef_relationExpr_aliasClause(
   const tableRef_relationExpr_aliasClause*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_tableRef_joinedTable(
   const tableRef_joinedTable*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_tableRef_LEFTPAREN_joinedTable_RIGHTPAREN_aliasClause(
   const tableRef_LEFTPAREN_joinedTable_RIGHTPAREN_aliasClause*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_joinedTable_LEFTPAREN_joinedTable_RIGHTPAREN(
   const joinedTable_LEFTPAREN_joinedTable_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_joinedTable_tableRef_CROSS_JOIN_tableRef(
   const joinedTable_tableRef_CROSS_JOIN_tableRef*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_joinedTable_tableRef_UNIONJOIN_tableRef(
   const joinedTable_tableRef_UNIONJOIN_tableRef*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_joinedTable_tableRef_joinType_JOIN_tableRef_joinQual(
   const joinedTable_tableRef_joinType_JOIN_tableRef_joinQual*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_joinedTable_tableRef_JOIN_tableRef_joinQual(
   const joinedTable_tableRef_JOIN_tableRef_joinQual*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_joinedTable_tableRef_NATURAL_joinType_JOIN_tableRef(
   const joinedTable_tableRef_NATURAL_joinType_JOIN_tableRef*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_joinedTable_tableRef_NATURAL_JOIN_tableRef(
   const joinedTable_tableRef_NATURAL_JOIN_tableRef*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aliasClause_AS_strColId_LEFTPAREN_nameList_RIGHTPAREN(
   const aliasClause_AS_strColId_LEFTPAREN_nameList_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aliasClause_AS_strColId(
   const aliasClause_AS_strColId*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aliasClause_strColId_LEFTPAREN_nameList_RIGHTPAREN(
   const aliasClause_strColId_LEFTPAREN_nameList_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aliasClause_strColId(
   const aliasClause_strColId*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_joinType_FULL_strOptJoinOuter(
   const joinType_FULL_strOptJoinOuter*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_joinType_LEFT_strOptJoinOuter(
   const joinType_LEFT_strOptJoinOuter*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_joinType_RIGHT_strOptJoinOuter(
   const joinType_RIGHT_strOptJoinOuter*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_joinType_INNERP(
   const joinType_INNERP*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_joinQual_USING_LEFTPAREN_nameList_RIGHTPAREN(
   const joinQual_USING_LEFTPAREN_nameList_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_joinQual_ON_aExpr(
   const joinQual_ON_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_relationExpr_strRelationName(
   const relationExpr_strRelationName* prelationExpr_strRelationName
   )
{
   m_stmt.setClassName(*prelationExpr_strRelationName->m_pstrRelationName1);
}
void WQLSelectStatementGen::visit_relationExpr_strRelationName_ASTERISK(
   const relationExpr_strRelationName_ASTERISK*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_relationExpr_ONLY_strRelationName(
   const relationExpr_ONLY_strRelationName*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optWhereClause_empty(
   const optWhereClause_empty* poptWhereClause_empty
   )
{
}
void WQLSelectStatementGen::visit_optWhereClause_WHERE_aExpr(
   const optWhereClause_WHERE_aExpr* poptWhereClause_WHERE_aExpr
   )
{
   poptWhereClause_WHERE_aExpr->m_paExpr2->acceptInterface(this);
}
void WQLSelectStatementGen::visit_rowExpr(
   const rowExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_rowDescriptor(
   const rowDescriptor*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_cExpr(
   const aExpr_cExpr* paExpr_cExpr
   )
{
   paExpr_cExpr->m_pcExpr1->acceptInterface(this);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_AT_TIME_ZONE_cExpr(
   const aExpr_aExpr_AT_TIME_ZONE_cExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_PLUS_aExpr(
   const aExpr_PLUS_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_MINUS_aExpr(
   const aExpr_MINUS_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_BITINVERT_aExpr(
   const aExpr_BITINVERT_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_PLUS_aExpr(
   const aExpr_aExpr_PLUS_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_MINUS_aExpr(
   const aExpr_aExpr_MINUS_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_ASTERISK_aExpr(
   const aExpr_aExpr_ASTERISK_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_SOLIDUS_aExpr(
   const aExpr_aExpr_SOLIDUS_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_PERCENT_aExpr(
   const aExpr_aExpr_PERCENT_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_BITAND_aExpr(
   const aExpr_aExpr_BITAND_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_BITOR_aExpr(
   const aExpr_aExpr_BITOR_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_BITSHIFTLEFT_aExpr(
   const aExpr_aExpr_BITSHIFTLEFT_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_BITSHIFTRIGHT_aExpr(
   const aExpr_aExpr_BITSHIFTRIGHT_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_LESSTHAN_aExpr(
   const aExpr_aExpr_LESSTHAN_aExpr* paExpr_aExpr_LESSTHAN_aExpr
   )
{
   paExpr_aExpr_LESSTHAN_aExpr->m_paExpr1->acceptInterface(this);
   paExpr_aExpr_LESSTHAN_aExpr->m_paExpr3->acceptInterface(this);
   m_stmt.appendOperation(WQL_LT);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_LESSTHANOREQUALS_aExpr(
   const aExpr_aExpr_LESSTHANOREQUALS_aExpr* paExpr_aExpr_LESSTHANOREQUALS_aExpr
   )
{
   paExpr_aExpr_LESSTHANOREQUALS_aExpr->m_paExpr1->acceptInterface(this);
   paExpr_aExpr_LESSTHANOREQUALS_aExpr->m_paExpr3->acceptInterface(this);
   m_stmt.appendOperation(WQL_LE);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_GREATERTHAN_aExpr(
   const aExpr_aExpr_GREATERTHAN_aExpr* paExpr_aExpr_GREATERTHAN_aExpr
   )
{
   paExpr_aExpr_GREATERTHAN_aExpr->m_paExpr1->acceptInterface(this);
   paExpr_aExpr_GREATERTHAN_aExpr->m_paExpr3->acceptInterface(this);
   m_stmt.appendOperation(WQL_GT);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_GREATERTHANOREQUALS_aExpr(
   const aExpr_aExpr_GREATERTHANOREQUALS_aExpr* paExpr_aExpr_GREATERTHANOREQUALS_aExpr
   )
{
   paExpr_aExpr_GREATERTHANOREQUALS_aExpr->m_paExpr1->acceptInterface(this);
   paExpr_aExpr_GREATERTHANOREQUALS_aExpr->m_paExpr3->acceptInterface(this);
   m_stmt.appendOperation(WQL_GE);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_EQUALS_aExpr(
   const aExpr_aExpr_EQUALS_aExpr* paExpr_aExpr_EQUALS_aExpr
   )
{
   paExpr_aExpr_EQUALS_aExpr->m_paExpr1->acceptInterface(this);
   paExpr_aExpr_EQUALS_aExpr->m_paExpr3->acceptInterface(this);
   m_stmt.appendOperation(WQL_EQ);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_NOTEQUALS_aExpr(
   const aExpr_aExpr_NOTEQUALS_aExpr* paExpr_aExpr_NOTEQUALS_aExpr
   )
{
   paExpr_aExpr_NOTEQUALS_aExpr->m_paExpr1->acceptInterface(this);
   paExpr_aExpr_NOTEQUALS_aExpr->m_paExpr3->acceptInterface(this);
   m_stmt.appendOperation(WQL_NE);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_AND_aExpr(
   const aExpr_aExpr_AND_aExpr* paExpr_aExpr_AND_aExpr
   )
{
   paExpr_aExpr_AND_aExpr->m_paExpr1->acceptInterface(this);
   paExpr_aExpr_AND_aExpr->m_paExpr3->acceptInterface(this);
   m_stmt.appendOperation(WQL_AND);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_OR_aExpr(
   const aExpr_aExpr_OR_aExpr* paExpr_aExpr_OR_aExpr
   )
{
   paExpr_aExpr_OR_aExpr->m_paExpr1->acceptInterface(this);
   paExpr_aExpr_OR_aExpr->m_paExpr3->acceptInterface(this);
   m_stmt.appendOperation(WQL_OR);
}
void WQLSelectStatementGen::visit_aExpr_NOT_aExpr(
   const aExpr_NOT_aExpr* paExpr_NOT_aExpr
   )
{
   paExpr_NOT_aExpr->m_paExpr2->acceptInterface(this);
   m_stmt.appendOperation(WQL_NOT);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_CONCATENATION_aExpr(
   const aExpr_aExpr_CONCATENATION_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_LIKE_aExpr(
   const aExpr_aExpr_LIKE_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_LIKE_aExpr_ESCAPE_aExpr(
   const aExpr_aExpr_LIKE_aExpr_ESCAPE_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_NOT_LIKE_aExpr(
   const aExpr_aExpr_NOT_LIKE_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_NOT_LIKE_aExpr_ESCAPE_aExpr(
   const aExpr_aExpr_NOT_LIKE_aExpr_ESCAPE_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_ISNULL(
   const aExpr_aExpr_ISNULL* paExpr_aExpr_ISNULL
   )
{
   paExpr_aExpr_ISNULL->m_paExpr1->acceptInterface(this);
   m_stmt.appendOperand(WQLOperand()); // default constructor creates NULL operand
   m_stmt.appendOperation(WQL_EQ);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_IS_NULLP(
   const aExpr_aExpr_IS_NULLP* paExpr_aExpr_IS_NULLP
   )
{
   paExpr_aExpr_IS_NULLP->m_paExpr1->acceptInterface(this);
   m_stmt.appendOperand(WQLOperand()); // default constructor creates NULL operand
   m_stmt.appendOperation(WQL_EQ);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_NOTNULL(
   const aExpr_aExpr_NOTNULL* paExpr_aExpr_NOTNULL
   )
{
   paExpr_aExpr_NOTNULL->m_paExpr1->acceptInterface(this);
   m_stmt.appendOperand(WQLOperand()); // default constructor creates NULL operand
   m_stmt.appendOperation(WQL_NE);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_IS_NOT_NULLP(
   const aExpr_aExpr_IS_NOT_NULLP* paExpr_aExpr_IS_NOT_NULLP
   )
{
   paExpr_aExpr_IS_NOT_NULLP->m_paExpr1->acceptInterface(this);
   m_stmt.appendOperand(WQLOperand()); // default constructor creates NULL operand
   m_stmt.appendOperation(WQL_NE);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_IS_TRUEP(
   const aExpr_aExpr_IS_TRUEP* paExpr_aExpr_IS_TRUEP
   )
{
   paExpr_aExpr_IS_TRUEP->m_paExpr1->acceptInterface(this);
   m_stmt.appendOperand(WQLOperand(true, WQL_BOOLEAN_VALUE_TAG));
   m_stmt.appendOperation(WQL_EQ);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_IS_NOT_FALSEP(
   const aExpr_aExpr_IS_NOT_FALSEP* paExpr_aExpr_IS_NOT_FALSEP
   )
{
   paExpr_aExpr_IS_NOT_FALSEP->m_paExpr1->acceptInterface(this);
   m_stmt.appendOperand(WQLOperand(false, WQL_BOOLEAN_VALUE_TAG));
   m_stmt.appendOperation(WQL_NE);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_IS_FALSEP(
   const aExpr_aExpr_IS_FALSEP* paExpr_aExpr_IS_FALSEP
   )
{
   paExpr_aExpr_IS_FALSEP->m_paExpr1->acceptInterface(this);
   m_stmt.appendOperand(WQLOperand(false, WQL_BOOLEAN_VALUE_TAG));
   m_stmt.appendOperation(WQL_EQ);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_IS_NOT_TRUEP(
   const aExpr_aExpr_IS_NOT_TRUEP* paExpr_aExpr_IS_NOT_TRUEP
   )
{
   paExpr_aExpr_IS_NOT_TRUEP->m_paExpr1->acceptInterface(this);
   m_stmt.appendOperand(WQLOperand(true, WQL_BOOLEAN_VALUE_TAG));
   m_stmt.appendOperation(WQL_NE);
}
void WQLSelectStatementGen::visit_aExpr_aExpr_ISA_aExpr(
      const aExpr_aExpr_ISA_aExpr* paExpr_aExpr_ISA_aExpr
      )
{
   paExpr_aExpr_ISA_aExpr->m_paExpr1->acceptInterface(this);
   paExpr_aExpr_ISA_aExpr->m_paExpr3->acceptInterface(this);
   m_stmt.appendOperation(WQL_ISA);
}
void WQLSelectStatementGen::visit_aExpr_rowExpr(
   const aExpr_rowExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_cExpr(
   const bExpr_cExpr* pbExpr_cExpr
   )
{
   pbExpr_cExpr->m_pcExpr1->acceptInterface(this);
}
void WQLSelectStatementGen::visit_bExpr_PLUS_bExpr(
   const bExpr_PLUS_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_MINUS_bExpr(
   const bExpr_MINUS_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_BITINVERT_bExpr(
   const bExpr_BITINVERT_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_bExpr_PLUS_bExpr(
   const bExpr_bExpr_PLUS_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_bExpr_MINUS_bExpr(
   const bExpr_bExpr_MINUS_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_bExpr_ASTERISK_bExpr(
   const bExpr_bExpr_ASTERISK_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_bExpr_SOLIDUS_bExpr(
   const bExpr_bExpr_SOLIDUS_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_bExpr_PERCENT_bExpr(
   const bExpr_bExpr_PERCENT_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_bExpr_BITAND_bExpr(
   const bExpr_bExpr_BITAND_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_bExpr_BITOR_bExpr(
   const bExpr_bExpr_BITOR_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_bExpr_BITSHIFTLEFT_bExpr(
   const bExpr_bExpr_BITSHIFTLEFT_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_bExpr_BITSHIFTRIGHT_bExpr(
   const bExpr_bExpr_BITSHIFTRIGHT_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_bExpr_LESSTHAN_bExpr(
   const bExpr_bExpr_LESSTHAN_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_bExpr_LESSTHANOREQUALS_bExpr(
   const bExpr_bExpr_LESSTHANOREQUALS_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_bExpr_GREATERTHAN_bExpr(
   const bExpr_bExpr_GREATERTHAN_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_bExpr_GREATERTHANOREQUALS_bExpr(
   const bExpr_bExpr_GREATERTHANOREQUALS_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_bExpr_EQUALS_bExpr(
   const bExpr_bExpr_EQUALS_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_bExpr_NOTEQUALS_bExpr(
   const bExpr_bExpr_NOTEQUALS_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_bExpr_bExpr_CONCATENATION_bExpr(
   const bExpr_bExpr_CONCATENATION_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_attr(
   const cExpr_attr* pcExpr_attr
   )
{
   pcExpr_attr->m_pattr1->acceptInterface(this);
}
void WQLSelectStatementGen::visit_cExpr_strColId_optIndirection(
   const cExpr_strColId_optIndirection* pcExpr_strColId_optIndirection
   )
{
   if (m_isPropertyList)
   {
      m_stmt.appendSelectPropertyName(*pcExpr_strColId_optIndirection->m_pstrColId1);
   }
   else
   {
      m_stmt.appendOperand(WQLOperand(*pcExpr_strColId_optIndirection->m_pstrColId1, WQL_PROPERTY_NAME_TAG));
      m_stmt.appendWherePropertyName(*pcExpr_strColId_optIndirection->m_pstrColId1);
   }
   if (pcExpr_strColId_optIndirection->m_poptIndirection2)
   {
      pcExpr_strColId_optIndirection->m_poptIndirection2->acceptInterface(this);
   }
}
void WQLSelectStatementGen::visit_cExpr_aExprConst(
   const cExpr_aExprConst* pcExpr_aExprConst
   )
{
   pcExpr_aExprConst->m_paExprConst1->acceptInterface(this);
}
void WQLSelectStatementGen::visit_cExpr_LEFTPAREN_aExpr_RIGHTPAREN(
   const cExpr_LEFTPAREN_aExpr_RIGHTPAREN* pcExpr_LEFTPAREN_aExpr_RIGHTPAREN
   )
{
   pcExpr_LEFTPAREN_aExpr_RIGHTPAREN->m_paExpr2->acceptInterface(this);
}
void WQLSelectStatementGen::visit_cExpr_strFuncName_LEFTPAREN_RIGHTPAREN(
   const cExpr_strFuncName_LEFTPAREN_RIGHTPAREN* pcExpr_strFuncName_LEFTPAREN_RIGHTPAREN
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_strFuncName_LEFTPAREN_exprSeq_RIGHTPAREN(
   const cExpr_strFuncName_LEFTPAREN_exprSeq_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_strFuncName_LEFTPAREN_ALL_exprSeq_RIGHTPAREN(
   const cExpr_strFuncName_LEFTPAREN_ALL_exprSeq_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_strFuncName_LEFTPAREN_DISTINCT_exprSeq_RIGHTPAREN(
   const cExpr_strFuncName_LEFTPAREN_DISTINCT_exprSeq_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_strFuncName_LEFTPAREN_ASTERISK_RIGHTPAREN(
   const cExpr_strFuncName_LEFTPAREN_ASTERISK_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_CURRENTDATE(
   const cExpr_CURRENTDATE*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_CURRENTTIME(
   const cExpr_CURRENTTIME*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_CURRENTTIME_LEFTPAREN_ICONST_RIGHTPAREN(
   const cExpr_CURRENTTIME_LEFTPAREN_ICONST_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_CURRENTTIMESTAMP(
   const cExpr_CURRENTTIMESTAMP*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_CURRENTTIMESTAMP_LEFTPAREN_ICONST_RIGHTPAREN(
   const cExpr_CURRENTTIMESTAMP_LEFTPAREN_ICONST_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_CURRENTUSER(
   const cExpr_CURRENTUSER*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_SESSIONUSER(
   const cExpr_SESSIONUSER*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_USER(
   const cExpr_USER*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_EXTRACT_LEFTPAREN_optExtract_RIGHTPAREN(
   const cExpr_EXTRACT_LEFTPAREN_optExtract_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_POSITION_LEFTPAREN_positionExpr_RIGHTPAREN(
   const cExpr_POSITION_LEFTPAREN_positionExpr_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_SUBSTRING_LEFTPAREN_optSubstrExpr_RIGHTPAREN(
   const cExpr_SUBSTRING_LEFTPAREN_optSubstrExpr_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_TRIM_LEFTPAREN_LEADING_trimExpr_RIGHTPAREN(
   const cExpr_TRIM_LEFTPAREN_LEADING_trimExpr_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_TRIM_LEFTPAREN_TRAILING_trimExpr_RIGHTPAREN(
   const cExpr_TRIM_LEFTPAREN_TRAILING_trimExpr_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_cExpr_TRIM_LEFTPAREN_trimExpr_RIGHTPAREN(
   const cExpr_TRIM_LEFTPAREN_trimExpr_RIGHTPAREN*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optIndirection_empty(
   const optIndirection_empty* poptIndirection_empty
   )
{
}
void WQLSelectStatementGen::visit_optIndirection_optIndirection_LEFTBRACKET_aExpr_RIGHTBRACKET(
   const optIndirection_optIndirection_LEFTBRACKET_aExpr_RIGHTBRACKET*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optIndirection_optIndirection_LEFTBRACKET_aExpr_COLON_aExpr_RIGHTBRACKET(
   const optIndirection_optIndirection_LEFTBRACKET_aExpr_COLON_aExpr_RIGHTBRACKET*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optExtract_empty(
   const optExtract_empty* poptExtract_empty
   )
{
}
void WQLSelectStatementGen::visit_optExtract_strExtractArg_FROM_aExpr(
   const optExtract_strExtractArg_FROM_aExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_positionExpr_bExpr_IN_bExpr(
   const positionExpr_bExpr_IN_bExpr*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_positionExpr_empty(
   const positionExpr_empty* ppositionExpr_empty
   )
{
}
void WQLSelectStatementGen::visit_optSubstrExpr_empty(
   const optSubstrExpr_empty* poptSubstrExpr_empty
   )
{
}
void WQLSelectStatementGen::visit_optSubstrExpr_aExpr_substrFrom_substrFor(
   const optSubstrExpr_aExpr_substrFrom_substrFor*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optSubstrExpr_aExpr_substrFor_substrFrom(
   const optSubstrExpr_aExpr_substrFor_substrFrom*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optSubstrExpr_aExpr_substrFrom(
   const optSubstrExpr_aExpr_substrFrom*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optSubstrExpr_aExpr_substrFor(
   const optSubstrExpr_aExpr_substrFor*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_optSubstrExpr_exprSeq(
   const optSubstrExpr_exprSeq*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_substrFrom(
   const substrFrom*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_substrFor(
   const substrFor*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_trimExpr_aExpr_FROM_exprSeq(
   const trimExpr_aExpr_FROM_exprSeq*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_trimExpr_FROM_exprSeq(
   const trimExpr_FROM_exprSeq*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_trimExpr_exprSeq(
   const trimExpr_exprSeq*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_attr(
   const attr* pattr
   )
{
   // This handles embedded properties or ClassName.PropertyName
   m_attrName = *pattr->m_pstrRelationName1;
   
   // This call may append onto m_attrName
   pattr->m_pattrs3->acceptInterface(this);
   if (m_isPropertyList)
   {
      m_stmt.appendSelectPropertyName(m_attrName);
   }
   else
   {
      m_stmt.appendOperand(WQLOperand(m_attrName, WQL_PROPERTY_NAME_TAG));
      m_stmt.appendWherePropertyName(m_attrName);
   }
      
   // TODO: What does indirection mean? Array index
   if (pattr->m_poptIndirection4)
   {
      pattr->m_poptIndirection4->acceptInterface(this);
   }
}
void WQLSelectStatementGen::visit_attrs_strAttrName(
   const attrs_strAttrName* pattrs_strAttrName
   )
{
   m_attrName = m_attrName + "." + *pattrs_strAttrName->m_pstrAttrName1;
}
void WQLSelectStatementGen::visit_attrs_attrs_PERIOD_strAttrName(
   const attrs_attrs_PERIOD_strAttrName* pattrs_attrs_PERIOD_strAttrName
   )
{
   // This handles embedded properties or ClassName.PropertyName
   pattrs_attrs_PERIOD_strAttrName->m_pattrs1->acceptInterface(this);
   m_attrName = m_attrName + "." + *pattrs_attrs_PERIOD_strAttrName->m_pstrAttrName3;
}
void WQLSelectStatementGen::visit_attrs_attrs_PERIOD_ASTERISK(
   const attrs_attrs_PERIOD_ASTERISK* pattrs_attrs_PERIOD_ASTERISK
   )
{
   // This handles embedded properties or ClassName.PropertyName
   pattrs_attrs_PERIOD_ASTERISK->m_pattrs1->acceptInterface(this);
   m_attrName = m_attrName + ".*";
}
void WQLSelectStatementGen::visit_targetEl_aExpr_AS_strColLabel(
   const targetEl_aExpr_AS_strColLabel*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_targetEl_aExpr(
   const targetEl_aExpr* ptargetEl_aExpr
   )
{
   // setting this causes appendSelectPropertyName to be called
   m_isPropertyList = true;
   ptargetEl_aExpr->m_paExpr1->acceptInterface(this);
   m_isPropertyList = false;
}
void WQLSelectStatementGen::visit_targetEl_strRelationName_PERIOD_ASTERISK(
   const targetEl_strRelationName_PERIOD_ASTERISK* ptargetEl_strRelationName_PERIOD_ASTERISK
   )
{
   m_stmt.appendSelectPropertyName(*ptargetEl_strRelationName_PERIOD_ASTERISK->m_pstrRelationName1 + ".*");
   // this isn't correct because it could be an embedded property, we need to keep the relation name
   //m_stmt.appendSelectPropertyName("*");
}
void WQLSelectStatementGen::visit_targetEl_ASTERISK(
   const targetEl_ASTERISK*
   )
{
   m_stmt.appendSelectPropertyName("*");
}
void WQLSelectStatementGen::visit_updateTargetEl(
   const updateTargetEl*
   )
{
   OW_THROWCIM(CIMException::INVALID_QUERY);
}
void WQLSelectStatementGen::visit_aExprConst_ICONST(
   const aExprConst_ICONST* paExprConst_ICONST
   )
{
   try
   {
      m_stmt.appendOperand(WQLOperand(paExprConst_ICONST->m_pICONST1->toInt64(), WQL_INTEGER_VALUE_TAG));
   }
   catch (const StringConversionException& e)
   {
      OW_THROWCIMMSG(CIMException::INVALID_QUERY, e.getMessage());
   }
}
void WQLSelectStatementGen::visit_aExprConst_FCONST(
   const aExprConst_FCONST* paExprConst_FCONST
   )
{
   try
   {
      m_stmt.appendOperand(WQLOperand(paExprConst_FCONST->m_pFCONST1->toReal64(), WQL_DOUBLE_VALUE_TAG));
   }
   catch (const StringConversionException& e)
   {
      OW_THROWCIMMSG(CIMException::INVALID_QUERY, e.getMessage());
   }
}
void WQLSelectStatementGen::visit_aExprConst_SCONST(
   const aExprConst_SCONST* paExprConst_SCONST
   )
{
   m_stmt.appendOperand(WQLOperand(WQLRemoveStringEscapes(*paExprConst_SCONST->m_pSCONST1), WQL_STRING_VALUE_TAG));
}
void WQLSelectStatementGen::visit_aExprConst_BITCONST(
   const aExprConst_BITCONST* paExprConst_BITCONST
   )
{
   try
   {
      m_stmt.appendOperand(WQLOperand(paExprConst_BITCONST->m_pBITCONST1->toInt64(2), WQL_INTEGER_VALUE_TAG));
   }
   catch (const StringConversionException& e)
   {
      OW_THROWCIMMSG(CIMException::INVALID_QUERY, e.getMessage());
   }
}
void WQLSelectStatementGen::visit_aExprConst_HEXCONST(
   const aExprConst_HEXCONST* paExprConst_HEXCONST
   )
{
   try
   {
      m_stmt.appendOperand(WQLOperand(paExprConst_HEXCONST->m_pHEXCONST1->toInt64(16), WQL_INTEGER_VALUE_TAG));
   }
   catch (const StringConversionException& e)
   {
      OW_THROWCIMMSG(CIMException::INVALID_QUERY, e.getMessage());
   }
}
void WQLSelectStatementGen::visit_aExprConst_TRUEP(
   const aExprConst_TRUEP*
   )
{
   m_stmt.appendOperand(WQLOperand(true, WQL_BOOLEAN_VALUE_TAG));
}
void WQLSelectStatementGen::visit_aExprConst_FALSEP(
   const aExprConst_FALSEP*
   )
{
   m_stmt.appendOperand(WQLOperand(false, WQL_BOOLEAN_VALUE_TAG));
}
void WQLSelectStatementGen::visit_aExprConst_NULLP(
   const aExprConst_NULLP*
   )
{
   m_stmt.appendOperand(WQLOperand());  // WQLOperand defaults to NULL
}

} // end namespace OW_NAMESPACE

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