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

Examples of com.sap.hadoop.windowing.query2.definition.WhereDef

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    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);
   
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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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        " 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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    }

    @Override
    public QueryInputSpec next()
    {
      QueryInputSpec curr = nextInput;
      if ( curr instanceof TableFuncSpec)
      {
        TableFuncSpec tFunc = (TableFuncSpec) curr;
        nextInput = tFunc.getInput();
      }
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    @Override
    public boolean hasNext()
    {
      if ( qSpecIt.hasNext())
      {
        QueryInputSpec iSpec = qSpecIt.next();
        if ( iSpec instanceof TableFuncSpec)
        {
          nextInput = (TableFuncSpec) iSpec;
          return true;
        }
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Related Classes of com.sap.hadoop.windowing.query2.definition.WhereDef

  • 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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