Package org.apache.hadoop.hive.ql.lib

Examples of org.apache.hadoop.hive.ql.lib.PreOrderWalker.startWalking()

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      if (task.getReducer() != null) {
        topNodes.add(task.getReducer());
      }

      ogw.startWalking(topNodes, null);

      LOG.info(String.format("Found %d metadata only table scans",
          walkerCtx.getMetadataOnlyTableScans().size()));
      Iterator<TableScanOperator> iterator
        = walkerCtx.getMetadataOnlyTableScans().iterator();
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            }
          }
          return null;
        }
      });
      walker.startWalking(Collections.singletonList(expression), null);
    }
    for (FieldSchema argument : arguments) {
      TypeInfo colType =
          TypeInfoUtils.getTypeInfoFromTypeString(argument.getType());
      rowResolver.put("", argument.getName(),
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      if (task.getReducer() != null) {
        topNodes.add(task.getReducer());
      }

      ogw.startWalking(topNodes, null);

      LOG.info(String.format("Found %d metadata only table scans",
          walkerCtx.getMetadataOnlyTableScans().size()));
      Iterator<TableScanOperator> iterator
        = walkerCtx.getMetadataOnlyTableScans().iterator();
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      if (task.getReducer() != null) {
        topNodes.add(task.getReducer());
      }

      ogw.startWalking(topNodes, null);

      LOG.info(String.format("Found %d metadata only table scans",
          walkerCtx.getMetadataOnlyTableScans().size()));
      Iterator<TableScanOperator> iterator
        = walkerCtx.getMetadataOnlyTableScans().iterator();
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      GraphWalker ogw = new PreOrderWalker(disp);

      // Create a list of topop nodes
      ArrayList<Node> topNodes = new ArrayList<Node>();
      topNodes.add(reducer);
      ogw.startWalking(topNodes, null);

      mapRedTask.getWork().getBucketedColsByDirectory().putAll(bCtx.getBucketedColsByDirectory());
      mapRedTask.getWork().getSortedColsByDirectory().putAll(bCtx.getSortedColsByDirectory());
    }
  }
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    GraphWalker ogw = new PreOrderWalker(disp);

    // Create a list of topop nodes
    ArrayList<Node> topNodes = new ArrayList<Node>();
    topNodes.addAll(pCtx.getTopOps().values());
    ogw.startWalking(topNodes, null);
    pCtx.setUCtx(uCtx);

    return pCtx;
  }
}
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