Package org.apache.hadoop.hive.ql.plan

Examples of org.apache.hadoop.hive.ql.plan.partitionDesc

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  private static void populateNewPartitionDesc(
      Map<String, PartitionDesc> pathToPartitionInfo,
      Map<String, PartitionDesc> newPathToPartitionInfo) {
    for (Map.Entry<String, PartitionDesc> entry: pathToPartitionInfo.entrySet()) {
      String entryKey = entry.getKey();
      PartitionDesc partDesc = entry.getValue();
      Path newP = new Path(entryKey);
      String pathOnly = newP.toUri().getPath();
      newPathToPartitionInfo.put(pathOnly, partDesc);
    }
  }
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  private static PartitionDesc doGetPartitionDescFromPath(
      Map<String, PartitionDesc> pathToPartitionInfo, Path dir) {
    // We first do exact match, and then do prefix matching. The latter is due to input dir
    // could be /dir/ds='2001-02-21'/part-03 where part-03 is not part of partition
    String dirPath = dir.toUri().getPath();
    PartitionDesc part = pathToPartitionInfo.get(dir.toString());
    if (part == null) {
      //      LOG.warn("exact match not found, try ripping input path's theme and authority");
      part = pathToPartitionInfo.get(dirPath);
    }
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  private static MapOpCtx initObjectInspector(MapredWork conf,
      Configuration hconf, String onefile) throws HiveException,
      ClassNotFoundException, InstantiationException, IllegalAccessException,
      SerDeException {
    PartitionDesc td = conf.getPathToPartitionInfo().get(onefile);
    LinkedHashMap<String, String> partSpec = td.getPartSpec();
    Properties tblProps = td.getProperties();

    Class sdclass = td.getDeserializerClass();
    if (sdclass == null) {
      String className = td.getSerdeClassName();
      if ((className == "") || (className == null)) {
        throw new HiveException(
            "SerDe class or the SerDe class name is not set for table: "
                + td.getProperties().getProperty("name"));
      }
      sdclass = hconf.getClassByName(className);
    }

    String tableName = String.valueOf(tblProps.getProperty("name"));
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        org.apache.hadoop.hive.serde.Constants.LIST_COLUMNS, cols,
        org.apache.hadoop.hive.serde.Constants.LIST_COLUMN_TYPES, colTypes)));
  }

  public static PartitionDesc getPartitionDesc(Partition part) throws HiveException {
    return (new PartitionDesc(part));
  }
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    return (new PartitionDesc(part));
  }

  public static PartitionDesc getPartitionDescFromTableDesc(TableDesc tblDesc, Partition part)
      throws HiveException {
    return new PartitionDesc(part, tblDesc);
  }
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      throws HiveException {
    return new PartitionDesc(part, tblDesc);
  }

  public static void addMapWork(MapredWork mr, Table tbl, String alias, Operator<?> work) {
    mr.addMapWork(tbl.getDataLocation().getPath(), alias, work, new PartitionDesc(
        getTableDesc(tbl), (LinkedHashMap<String, String>) null));
  }
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          // clearly showed that they made efforts for it and we believe it is
          // thread safe. Will revisit this piece of codes if we find the assumption
          // is not correct.
          final Configuration myConf = conf;
          final JobConf myJobConf = jobConf;
          final PartitionDesc partDesc = work.getPathToPartitionInfo().get(
              p.toString());
          Runnable r = new Runnable() {
            public void run() {
              try {
                ContentSummary resultCs;

                Class<? extends InputFormat> inputFormatCls = partDesc
                    .getInputFileFormatClass();
                InputFormat inputFormatObj = HiveInputFormat.getInputFormatFromCache(
                    inputFormatCls, myJobConf);
                if (inputFormatObj instanceof ContentSummaryInputFormat) {
                  resultCs = ((ContentSummaryInputFormat) inputFormatObj).getContentSummary(p,
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    aliases.add(inputDir); // dummy alias: just use the input path

    // constructing the default MapredWork
    MapredWork cplan = GenMapRedUtils.getMapRedWorkFromConf(conf);
    cplan.getPathToAliases().put(inputDir, aliases);
    cplan.getPathToPartitionInfo().put(inputDir, new PartitionDesc(tblDesc, null));
    cplan.setNumReduceTasks(0);
    cplan.getAliasToWork().put(inputDir, topOp);
    cplan.setMapperCannotSpanPartns(true);

    return cplan;
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      work.setPathToAliases(pathToAliases);
      work.setAliasToWork(
          new LinkedHashMap<String, Operator<? extends Serializable>>());
      if (hasDynamicPartitions) {
        work.getPathToPartitionInfo().put(inputDir,
            new PartitionDesc(tblDesc, null));
      }

      return work;
    }
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      TableDesc tt_desc = mjCtx.getTTDesc();
      assert plan.getPathToAliases().get(taskTmpDir) == null;
      plan.getPathToAliases().put(taskTmpDir, new ArrayList<String>());
      plan.getPathToAliases().get(taskTmpDir).add(taskTmpDir);
      plan.getPathToPartitionInfo().put(taskTmpDir,
          new PartitionDesc(tt_desc, null));
      plan.getAliasToWork().put(taskTmpDir, mjCtx.getRootMapJoinOp());
      return dest;
    }

    return dest;
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