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

Examples of org.apache.hadoop.hive.ql.lib.Dispatcher

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    opRules.put(new RuleRegExp(new String("R2"), "MAPJOIN%.*RS%"), getMapJoinDefault());
    opRules.put(new RuleRegExp(new String("R3"), "MAPJOIN%.*MAPJOIN%"), getMapJoinDefault());
    opRules.put(new RuleRegExp(new String("R4"), "MAPJOIN%.*UNION%"), getMapJoinDefault());

    // The dispatcher fires the processor corresponding to the closest matching rule and passes the context along
    Dispatcher disp = new DefaultRuleDispatcher(getDefault(), opRules, new MapJoinWalkerCtx(listMapJoinOpsNoRed));

    GraphWalker ogw = new GenMapRedWalker(disp);
    ArrayList<Node> topNodes = new ArrayList<Node>();
    topNodes.addAll(listMapJoinOps);
    ogw.startWalking(topNodes, null);
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    exprRules.put(new RuleRegExp("R1", exprNodeColumnDesc.class.getName() + "%"), getColumnProcessor());
    exprRules.put(new RuleRegExp("R2", exprNodeFieldDesc.class.getName() + "%"), getFieldProcessor());
    exprRules.put(new RuleRegExp("R3", exprNodeGenericFuncDesc.class.getName() + "%"), getGenericFuncProcessor());
 
    // The dispatcher fires the processor corresponding to the closest matching rule and passes the context along
    Dispatcher disp = new DefaultRuleDispatcher(getDefaultExprProcessor(), exprRules, exprContext);
    GraphWalker egw = new DefaultGraphWalker(disp);
 
    List<Node> startNodes = new ArrayList<Node>();
    List<exprNodeDesc> clonedPreds = new ArrayList<exprNodeDesc>();
    for (exprNodeDesc node : preds) {
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    exprRules.put(new RuleRegExp("R1", exprNodeColumnDesc.class.getName() + "%"), getColumnProcessor());
    exprRules.put(new RuleRegExp("R2", exprNodeFieldDesc.class.getName() + "%"), getFieldProcessor());
    exprRules.put(new RuleRegExp("R5", exprNodeGenericFuncDesc.class.getName() + "%"), getGenericFuncProcessor());
 
    // The dispatcher fires the processor corresponding to the closest matching rule and passes the context along
    Dispatcher disp = new DefaultRuleDispatcher(getDefaultExprProcessor(), exprRules, pprCtx);
    GraphWalker egw = new DefaultGraphWalker(disp);
 
    List<Node> startNodes = new ArrayList<Node>();
    startNodes.add(pred);
   
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    Map<Rule, NodeProcessor> opRules = new LinkedHashMap<Rule, NodeProcessor>();
    opRules.put(new RuleRegExp("R1", "(TS%FIL%)|(TS%FIL%FIL%)"),
                OpProcFactory.getFilterProc());

    // The dispatcher fires the processor corresponding to the closest matching rule and passes the context along
    Dispatcher disp = new DefaultRuleDispatcher(OpProcFactory.getDefaultProc(), opRules, opWalkerCtx);
    GraphWalker ogw = new DefaultGraphWalker(disp);

    // Create a list of topop nodes
    ArrayList<Node> topNodes = new ArrayList<Node>();
    topNodes.addAll(pctx.getTopOps().values());
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    opRules.put(new RuleRegExp("R1", "GBY%RS%GBY%"),
        getMapAggreSortedGroupbyProc(pctx));

    // The dispatcher fires the processor corresponding to the closest matching
    // rule and passes the context along
    Dispatcher disp = new DefaultRuleDispatcher(getDefaultProc(), opRules,
        groupByOptimizeCtx);
    GraphWalker ogw = new DefaultGraphWalker(disp);

    // Create a list of topop nodes
    ArrayList<Node> topNodes = new ArrayList<Node>();
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    opRules.put(new RuleRegExp(new String("R9"), "UNION%.*MAPJOIN%"), MapJoinFactory.getUnionMapJoin());
    opRules.put(new RuleRegExp(new String("R10"), "MAPJOIN%.*MAPJOIN%"), MapJoinFactory.getMapJoinMapJoin());
    opRules.put(new RuleRegExp(new String("R11"), "MAPJOIN%SEL%"), MapJoinFactory.getMapJoin());

    // The dispatcher fires the processor corresponding to the closest matching rule and passes the context along
    Dispatcher disp = new DefaultRuleDispatcher(new GenMROperator(), opRules, procCtx);

    GraphWalker ogw = new GenMapRedWalker(disp);
    ArrayList<Node> topNodes = new ArrayList<Node>();
    topNodes.addAll(this.topOps.values());
    ogw.startWalking(topNodes, null);
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    opRules.put(new RuleRegExp("R4", HiveParser.KW_TRUE + "%|" + HiveParser.KW_FALSE + "%"),
                               TypeCheckProcFactory.getBoolExprProcessor());
    opRules.put(new RuleRegExp("R5", HiveParser.TOK_TABLE_OR_COL + "%"), TypeCheckProcFactory.getColumnExprProcessor());

    // The dispatcher fires the processor corresponding to the closest matching rule and passes the context along
    Dispatcher disp = new DefaultRuleDispatcher(TypeCheckProcFactory.getDefaultExprProcessor(), opRules, tcCtx);
    GraphWalker ogw = new DefaultGraphWalker(disp);

    // Create a list of topop nodes
    ArrayList<Node> topNodes = new ArrayList<Node>();
    topNodes.add(expr);
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        new JoinProcessor(pGraphContext));
    opRules.put(new RuleRegExp("R3", MapJoinOperator.getOperatorName() + "%"),
        new JoinProcessor(pGraphContext));

    TableAccessCtx tableAccessCtx = new TableAccessCtx();
    Dispatcher disp = new DefaultRuleDispatcher(getDefaultProc(), opRules, tableAccessCtx);
    GraphWalker ogw = new DefaultGraphWalker(disp);

    // Create a list of topop nodes and walk!
    List<Node> topNodes = new ArrayList<Node>();
    topNodes.addAll(pGraphContext.getTopOps().values());
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    opRules.put(new RuleRegExp("R9",
      LateralViewForwardOperator.getOperatorName() + "%"),
      ColumnPrunerProcFactory.getLateralViewForwardProc());
    // The dispatcher fires the processor corresponding to the closest matching
    // rule and passes the context along
    Dispatcher disp = new DefaultRuleDispatcher(ColumnPrunerProcFactory
        .getDefaultProc(), opRules, cppCtx);
    GraphWalker ogw = new ColumnPrunerWalker(disp);

    // Create a list of topop nodes
    ArrayList<Node> topNodes = new ArrayList<Node>();
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      LateralViewForwardOperator.getOperatorName() + "%"),
      OpProcFactory.getLVFProc());

    // The dispatcher fires the processor corresponding to the closest matching
    // rule and passes the context along
    Dispatcher disp = new DefaultRuleDispatcher(OpProcFactory.getDefaultProc(),
        opRules, opWalkerInfo);
    GraphWalker ogw = new DefaultGraphWalker(disp);

    // Create a list of topop nodes
    ArrayList<Node> topNodes = new ArrayList<Node>();
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