Package org.apache.hadoop.hive.ql.exec

Examples of org.apache.hadoop.hive.ql.exec.TableScanOperator.initialize()

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      fetchWork.setSource(ts);

      // random sampling
      FetchOperator fetcher = PartitionKeySampler.createSampler(fetchWork, conf, job, ts);
      try {
        ts.initialize(conf, new ObjectInspector[]{fetcher.getOutputObjectInspector()});
        ts.setOutputCollector(sampler);
        while (fetcher.pushRow()) { }
      } finally {
        fetcher.clearFetchContext();
      }
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      fetchWork.setSource(ts);

      // random sampling
      FetchOperator fetcher = PartitionKeySampler.createSampler(fetchWork, conf, job, ts);
      try {
        ts.initialize(conf, new ObjectInspector[]{fetcher.getOutputObjectInspector()});
        OperatorUtils.setChildrenCollector(ts.getChildOperators(), sampler);
        while (fetcher.pushRow()) { }
      } finally {
        fetcher.clearFetchContext();
      }
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      fetchWork.setSource(ts);

      // random sampling
      FetchOperator fetcher = PartitionKeySampler.createSampler(fetchWork, conf, job, ts);
      try {
        ts.initialize(conf, new ObjectInspector[]{fetcher.getOutputObjectInspector()});
        OperatorUtils.setChildrenCollector(ts.getChildOperators(), sampler);
        while (fetcher.pushRow()) { }
      } finally {
        fetcher.clearFetchContext();
      }
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      fetchWork.setSource(ts);

      // random sampling
      FetchOperator fetcher = PartitionKeySampler.createSampler(fetchWork, conf, job, ts);
      try {
        ts.initialize(conf, new ObjectInspector[]{fetcher.getOutputObjectInspector()});
        OperatorUtils.setChildrenCollector(ts.getChildOperators(), sampler);
        while (fetcher.pushRow()) { }
      } finally {
        fetcher.clearFetchContext();
      }
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      fetchWork.setSource(ts);

      // random sampling
      FetchOperator fetcher = PartitionKeySampler.createSampler(fetchWork, conf, job, ts);
      try {
        ts.initialize(conf, new ObjectInspector[]{fetcher.getOutputObjectInspector()});
        ts.setOutputCollector(sampler);
        while (fetcher.pushRow()) { }
      } finally {
        fetcher.clearFetchContext();
      }
View Full Code Here
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      fetchWork.setSource(ts);

      // random sampling
      FetchOperator fetcher = PartitionKeySampler.createSampler(fetchWork, conf, job, ts);
      try {
        ts.initialize(conf, new ObjectInspector[]{fetcher.getOutputObjectInspector()});
        OperatorUtils.setChildrenCollector(ts.getChildOperators(), sampler);
        while (fetcher.pushRow()) { }
      } finally {
        fetcher.clearFetchContext();
      }
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