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

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

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  private static String getTableAlias(QueryDef qDef, int inputNum, QueryInputDef inputDef) throws WindowingException
  {
    if ( inputDef instanceof HiveTableDef)
    {
      HiveTableDef hTbldef = (HiveTableDef) inputDef;
      String db = ((HiveTableSpec)hTbldef.getSpec()).getDbName();
      String tableName = ((HiveTableSpec)hTbldef.getSpec()).getTableName();
      return db + "." + tableName;
    }
    else if ( inputDef instanceof TableFuncDef)
    {
      return "ptf_" + inputNum;
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  }

  private static HiveTableDef translate(QueryDef qDef, HiveTableSpec spec,
      HiveTableDef def) throws WindowingException
  {
    def = def == null ? new HiveTableDef() : def;
    HiveMetaStoreClient hiveMSC = qDef.getTranslationInfo()
        .getHiveMSClient();
    Hive hive = qDef.getTranslationInfo().getHive();

    def.setSpec(spec);
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    {
      executor.execute(q, this);
    }
    finally
    {
      HiveTableDef hiveTable = q.getHiveTableDef();
      if ( hiveTable instanceof HiveQueryDef )
      {
        String tableName = hiveTable.getHiveTableSpec().getTableName();
        hiveQryExec.dropTable(tableName);
      }
     
    }
   
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      throw new WindowingException("Ranking Functions can take no arguments");
    }
   
    QueryInputDef inpDef = windowTableFnDef.getInput();
    InputInfo inpInfo = qDef.getTranslationInfo().getInputInfo(inpDef);
    OrderDef oDef = getTableFuncOrderDef(windowTableFnDef);
    ArrayList<OrderColumnDef> oCols = oDef.getColumns();
    for(OrderColumnDef oCol : oCols)
    {
      wFnDef.addArg(TranslateUtils.buildArgDef(qDef, inpInfo, oCol.getExpression()));
    }
  }
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    {
      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'");
   
    OrderDef oDef = qDef.getInput().getWindow().getOrderDef();
    assert oDef != null;
    assert oDef.getSpec().getColumns().get(0).getColumnName() == "p_mfgr";
   
  }
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    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()));
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    qdw.walk(qDef);
  }

  protected void setupKeysWrapper(ObjectInspector inputOI) throws HiveException
  {
    PartitionDef pDef = RuntimeUtils.getFirstTableFunction(qDef).getWindow().getPartDef();
    ArrayList<ColumnDef> cols = pDef.getColumns();
    int numCols = cols.size();
    ExprNodeEvaluator[] keyFields = new ExprNodeEvaluator[numCols];
    ObjectInspector[] keyOIs = new ObjectInspector[numCols];
    ObjectInspector[] currentKeyOIs = new ObjectInspector[numCols];
   
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  public QueryDef translate(QuerySpec qSpec, WindowingShell wShell) throws WindowingException
  {
    // clone the cfg
    HiveConf qCfg = new HiveConf(wShell.getCfg());
    QueryDef qry = new QueryDef();
    qry.setSpec(qSpec);
   
    QueryTranslationInfo transInfo = new QueryTranslationInfo();
    transInfo.setHiveCfg(qCfg);
    transInfo.setWshell(wShell);
    try
    {
      transInfo.setHive(Hive.get(qCfg));
      transInfo.setHiveMSClient(HiveUtils.getClient(qCfg));
    }
    catch(HiveException he)
    {
      throw new WindowingException(he);
    }
    qry.setTranslationInfo(transInfo);
   
    InputTranslation.translate(qry);
    WhereTranslation.translate(qry);
    OutputTranslation.translate(qry);
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  @Test
  public void test() throws Exception
  {
    System.out.println("Beginning testReduceOnlyPlan");

    QueryDef qDef = wshell
        .translate("select  p_mfgr,p_name, p_size,\n"
            + "rank() as r,\n"
            + "denserank() as dr\n"
            + "from part_tiny\n"
            + "partition by p_mfgr\n"
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Related Classes of com.sap.hadoop.windowing.query2.definition.ColumnDef

  • 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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