Package com.sap.hadoop.windowing.query2.definition

Examples of com.sap.hadoop.windowing.query2.definition.WindowFrameDef$ValueBoundaryDef

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  }
 
  public static void validateWindowDefForWFn(TableFuncDef tFnDef, WindowFunctionDef wFnDef)
    throws WindowingException
  {
    WindowDef tWindow = tFnDef.getWindow();
    WindowDef fWindow = wFnDef.getWindow();
   
    PartitionDef tPart = tWindow == null ? null : tWindow.getPartDef();
    PartitionDef fPart = fWindow == null ? null : fWindow.getPartDef();
   
    if ( !TranslateUtils.isCompatible(tPart, fPart))
    {
      throw new WindowingException(
          sprintf("Window Function '%s' has an incompatible partition clause", wFnDef.getSpec()));
    }
   
    OrderDef tOrder = tWindow == null ? null : tWindow.getOrderDef();
    OrderDef fOrder = fWindow == null ? null : fWindow.getOrderDef();
    if ( !TranslateUtils.isCompatible(tOrder, fOrder))
    {
      throw new WindowingException(
          sprintf("Window Function '%s' has an incompatible order clause", wFnDef.getSpec()));
    }
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        visitor.visit(ocol);
      }
      visitor.visit(oDef);
    }
   
    WindowFrameDef wFrmDef = window.getWindow();
    if ( wFrmDef != null)
    {
      walk(wFrmDef.getStart());
      walk(wFrmDef.getEnd());
      visitor.visit(wFrmDef);
    }
    visitor.visit(window);
  }
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    PartitionSpec pSpec = wSpec.getPartition();
    OrderSpec oSpec = wSpec.getOrder();
    WindowFrameSpec wFrameSpec = wSpec.getWindow();
    PartitionDef pDef = translatePartition(qDef, iInfo, pSpec);
    OrderDef oDef = translateOrder(qDef, inputDesc, iInfo, oSpec, pDef);
    WindowFrameDef wdwDef = translateWindowFrame(qDef, wFrameSpec, iInfo);
   
    wDef.setPartDef(pDef);
    wDef.setOrderDef(oDef);
    wDef.setWindow(wdwDef);
   
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      return null;
    }
   
    BoundarySpec s = wfSpec.getStart();
    BoundarySpec e = wfSpec.getEnd();
    WindowFrameDef wfDef = new WindowFrameDef(wfSpec);
   
    wfDef.setStart(translateBoundary(qDef, s, iInfo));
    wfDef.setEnd(translateBoundary(qDef, e, iInfo));
   
    int cmp = s.compareTo(e);
    if ( cmp > 0 )
    {
      throw new WindowingException(sprintf("Window range invalid, start boundary is greater than end boundary: %s", wfSpec));
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        " into path='/tmp/wout2'" +
        " serde 'org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe'" +
        " with serdeproperties('field.delim'=',')" +
        " format 'org.apache.hadoop.mapred.TextOutputFormat'");
   
    RangeBoundaryDef rBdef = (RangeBoundaryDef) qDef.getSelectList().getWindowFuncs().get(0).getWindow().getWindow().getStart();
    assert rBdef.getAmt() == 2;
    rBdef = (RangeBoundaryDef) qDef.getSelectList().getWindowFuncs().get(0).getWindow().getWindow().getEnd();
    assert rBdef.getAmt() == 2;
   
  }
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  public static WindowFunctionDef translate(QueryDef qDef, TableFuncDef windowTableFnDef, WindowFunctionSpec wFnSpec) throws WindowingException
  {
    QueryTranslationInfo tInfo = qDef.getTranslationInfo();
    InputInfo iInfo = tInfo.getInputInfo(windowTableFnDef.getInput());

    WindowFunctionDef wFnDef = new WindowFunctionDef();
    wFnDef.setSpec(wFnSpec);
   
    /*
     * translate args
     */
    ArrayList<ASTNode> args = wFnSpec.getArgs();
    if ( args != null)
    {
      for(ASTNode expr : args)
      {
        ArgDef argDef = translateWindowFunctionArg(qDef, windowTableFnDef, iInfo,  expr);
        wFnDef.addArg(argDef);
      }
    }
   
    if ( RANKING_FUNCS.contains(wFnSpec.getName()))
    {
      setupRankingArgs(qDef, windowTableFnDef, wFnDef, wFnSpec);
    }
   
    WindowDef wDef = translateWindowSpec(qDef, iInfo, wFnSpec);
    wFnDef.setWindow(wDef);
    validateWindowDefForWFn(windowTableFnDef, wFnDef);
   
    setupEvaluator(wFnDef);
   
    return wFnDef;
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    HiveQueryDef def = new HiveQueryDef();
    HiveQueryExecutor hiveQryExec = qDef.getTranslationInfo().getHiveQueryExecutor();
    Hive hive = qDef.getTranslationInfo().getHive();
   
    String tableName = hiveQryExec.createTableAsQuery(spec.getHiveQuery());
    HiveTableSpec tSpec = new HiveTableSpec();
    tSpec.setDbName(hive.getCurrentDatabase());
    tSpec.setTableName(tableName);
    tSpec.setPartition(spec.getPartition());
    tSpec.setOrder(spec.getOrder());
    def = (HiveQueryDef) InputTranslation.translate(qDef, tSpec, (HiveTableDef) def);
    return def;
  }
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  }
 
  public void execute(QueryDef qDef, WindowingShell wShell) throws WindowingException
  {
    QueryTranslationInfo tInfo = qDef.getTranslationInfo();
    HiveTableSpec hvTblSpec = qDef.getInput().getHiveTableSpec();
   
    WindowingInput wIn = IOUtils.createTableWindowingInput(hvTblSpec.getDbName(), hvTblSpec.getTableName(), tInfo.getHiveCfg());
    //Partition p = IOUtils.createPartition(partClassName, partMemSize, wIn);
   
    PartitionsIterator partsItr = new PartitionsIterator(wIn, qDef);
   
    while(partsItr.hasNext())
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  }
 
  public OrderColumnDef(ColumnDef cDef)
  {
    super(cDef);
    this.spec = new OrderColumnSpec(spec);
  }
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    this.spec = spec;
  }
 
  public OrderDef(PartitionDef pDef)
  {
    this.spec = new OrderSpec(pDef.getSpec());
    for(ColumnDef cDef : pDef.getColumns())
    {
      addColumn(new OrderColumnDef(cDef));
    }
  }
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Related Classes of com.sap.hadoop.windowing.query2.definition.WindowFrameDef$ValueBoundaryDef

  • com.sap.hadoop.windowing.functions2.table.npath.NPath$NPathResolver
  • com.sap.hadoop.windowing.functions2.table.WindowingTableFunction
  • com.sap.hadoop.windowing.functions2.table.WindowingTableFunction$WindowingTableFunctionResolver
  • com.sap.hadoop.windowing.functions2.TableFunctionEvaluator
  • com.sap.hadoop.windowing.parser.QSpecBuilder2
  • com.sap.hadoop.windowing.query2.definition.ArgDef
  • com.sap.hadoop.windowing.query2.definition.ColumnDef
  • com.sap.hadoop.windowing.query2.definition.HiveTableDef
  • com.sap.hadoop.windowing.query2.definition.OrderColumnDef
  • com.sap.hadoop.windowing.query2.definition.OrderDef
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