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

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

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    GraphWalker ogw = new DefaultGraphWalker(disp);

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

    return pctx;
  }

  private NodeProcessor getDefaultProc() {
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    // Create a list of topop nodes
    ArrayList<Node> topNodes = new ArrayList<Node>();
    topNodes.add(expr);
    HashMap<Node, Object> nodeOutputs = new HashMap<Node, Object>();
    ogw.startWalking(topNodes, nodeOutputs);
    exprNodeDesc desc = (exprNodeDesc)nodeOutputs.get(expr);
    if (desc == null) {
      throw new SemanticException(tcCtx.getError());
    }
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    GraphWalker ogw = new DefaultGraphWalker(disp);

    // Create a list of topop nodes and walk!
    List<Node> topNodes = new ArrayList<Node>();
    topNodes.addAll(pGraphContext.getTopOps().values());
    ogw.startWalking(topNodes, null);

    return tableAccessCtx.getTableAccessInfo();
  }

  private NodeProcessor getDefaultProc() {
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    GraphWalker ogw = new DefaultGraphWalker(disp);

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

    return pGraphContext;
  }

}
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    GraphWalker ogw = new DefaultGraphWalker(disp);

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

    return pctx;
  }

  private NodeProcessor getDefaultProc() {
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      clonedPreds.add(clone);
      exprContext.getNewToOldExprMap().put(clone, node);
    }
    startNodes.addAll(clonedPreds);

    egw.startWalking(startNodes, null);

    HiveConf conf = opContext.getParseContext().getConf();
    // check the root expression for final candidates
    for (ExprNodeDesc pred : clonedPreds) {
      extractFinalCandidates(pred, exprContext, conf);
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    GraphWalker ogw = new DefaultGraphWalker(disp);

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

  class ReduceSinkDeduplicateProcCtx implements NodeProcessorCtx{
    ParseContext pctx;
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    GraphWalker ogw = new DefaultGraphWalker(disp);

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

    return pctx;
  }

  private NodeProcessor getBucketMapjoinRejectProc(ParseContext pctx) {
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          return null;
        }
      };
      GraphWalker nodeOriginTagger = new DefaultGraphWalker(
          nodeOriginDispatcher);
      nodeOriginTagger.startWalking(java.util.Collections
          .<Node> singleton(viewTree), null);
    } catch (ParseException e) {
      // A user could encounter this if a stored view definition contains
      // an old SQL construct which has been eliminated in a later Hive
      // version, so we need to provide full debugging info to help
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    // Create a list of topop nodes
    ArrayList<Node> topNodes = new ArrayList<Node>();
    topNodes.add(expr);
    HashMap<Node, Object> nodeOutputs = new HashMap<Node, Object>();
    ogw.startWalking(topNodes, nodeOutputs);

    return nodeOutputs;
  }

  /**
 
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