当前位置: 首页>>代码示例>>C++>>正文


C++ ExprNode::castToStmtDDLNode方法代码示例

本文整理汇总了C++中ExprNode::castToStmtDDLNode方法的典型用法代码示例。如果您正苦于以下问题:C++ ExprNode::castToStmtDDLNode方法的具体用法?C++ ExprNode::castToStmtDDLNode怎么用?C++ ExprNode::castToStmtDDLNode使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ExprNode的用法示例。


在下文中一共展示了ExprNode::castToStmtDDLNode方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: ns


//.........这里部分代码省略.........
      sqlTextLen_ = 0;
      
      if (recompControlInfo)
	restoreRecompControlInfo(recompControlInfo);
      return CmpStatement_SUCCESS;
    }

  ReturnStatus status = CmpStatement_SUCCESS;
  if (statement.getCmpCompileInfo()->isHbaseDDL())
    {
      CmpMain::ReturnStatus rs = CmpMain::SUCCESS;
      
      QueryText qText(sqlStr, inputCS);

      CmpMessageReplyCode
	*bound = new(outHeap_) CmpMessageReplyCode(outHeap_, statement.id(), 0, 0, outHeap_);

      //      CmpMain cmpmain;
      Set_SqlParser_Flags(DELAYED_RESET);	// sqlcompCleanup resets for us
      Parser parser(CmpCommon::context());
      BindWA bindWA(ActiveSchemaDB(), CmpCommon::context(), TRUE);

      // save parser flags
      Int32 savedParserFlags = Get_SqlParser_Flags (0xFFFFFFFF);
      ExprNode * exprNode = NULL;
      if (parser.parseDML(qText, &exprNode, NULL))
	{
	  error(arkcmpErrorNoDiags, statement.data());
	  sqlTextStr_=NULL;
	  return CmpStatement_ERROR;
	}

      RelExpr * rRoot = NULL;
      if (exprNode->getOperatorType() EQU STM_QUERY)
	{
	  rRoot = (RelRoot*)exprNode->getChild(0);
	}
      else if (exprNode->getOperatorType() EQU REL_ROOT)
	{
	  rRoot = (RelRoot*)exprNode;
	}
      
      CMPASSERT(rRoot);

      ExprNode *boundDDL = rRoot->bindNode(&bindWA);
      CMPASSERT(boundDDL);

      if (CmpCommon::diags()->getNumber(DgSqlCode::ERROR_))
	{
	  return CmpStatement_ERROR;
	}
      
      ExprNode * ddlNode = NULL;
      DDLExpr * ddlExpr = NULL;

      ddlExpr = (DDLExpr*)rRoot->getChild(0);
      ddlNode = ddlExpr->getDDLNode();

      if (ddlNode)
	{
	  boundDDL = ddlNode->castToStmtDDLNode()->bindNode(&bindWA);
	  CMPASSERT(boundDDL);

	  if (CmpCommon::diags()->getNumber(DgSqlCode::ERROR_))
	    {
	      return CmpStatement_ERROR;
	    }
 	  
	  ddlNode = boundDDL;
	}

      // reset saved flags
      Set_SqlParser_Flags (savedParserFlags);
      CmpSeabaseDDL cmpSBD(heap_);
      if (cmpSBD.executeSeabaseDDL(ddlExpr, ddlNode,
				   currCatName, currSchName))
      {
        Set_SqlParser_Flags(0);
	return CmpStatement_ERROR;
      }
      Set_SqlParser_Flags (0);

      // TEMPTEMP.
      // Until support for metadata invalidation is in, clear up query cache for
      // this process. That way statements issued later from this session will
      // not see stale definitions.
      // This also helps in running tests where tables are modified and accessed from
      // the same session.
      // This does not solve the issue of stale definition seen by other processes,
      // that will be fixed once we have metadata invalidation.
      CURRENTQCACHE->makeEmpty();

      return CmpStatement_SUCCESS;
    } // hbaseDDL

  // This is a normal DDL request, call Catalog manager
  *diags() << DgSqlCode(-4222)
           << DgString0("SQL Compiler DDL");
  return CmpStatement_ERROR;
}
开发者ID:XueminZhu,项目名称:incubator-trafodion,代码行数:101,代码来源:CmpStatement.cpp


注:本文中的ExprNode::castToStmtDDLNode方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。