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

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

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    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(topOps.values());
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    // generates the plan from the operator tree
    Map<Rule, NodeProcessor> rules = new LinkedHashMap<Rule, NodeProcessor>();

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

    // Create a list of topop nodes
    ArrayList<Node> topNodes = new ArrayList<Node>();
    topNodes.add(tree);
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    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>();
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    // create a walker which walks the tree in a DFS manner while maintaining the operator stack. The dispatcher
    // generates the plan from the operator tree
    Map<Rule, NodeProcessor> rules = new LinkedHashMap<Rule, NodeProcessor>();

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

    // Create a list of topop nodes
    ArrayList<Node> topNodes = new ArrayList<Node>();
    topNodes.add(tree);
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    opRules.put(new RuleRegExp(new String("R4"), "FS%"), new GenMRFileSink1());
    opRules.put(new RuleRegExp(new String("R5"), "UNION%"), new GenMRUnion1());
    opRules.put(new RuleRegExp(new String("R6"), "UNION%.*RS%"), new GenMRRedSink3());

    // 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_COLREF + "%"), 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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    opRules.put(new RuleRegExp("R2", "GBY%"), ColumnPrunerProcFactory.getGroupByProc());
    opRules.put(new RuleRegExp("R3", "RS%"), ColumnPrunerProcFactory.getReduceSinkProc());
    opRules.put(new RuleRegExp("R4", "SEL%"), ColumnPrunerProcFactory.getSelectProc());

    // 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>();
    topNodes.addAll(pGraphContext.getTopOps().values());
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    opRules.put(new RuleRegExp(new String("R2"), "UNION%.*UNION%"), UnionProcFactory.getUnknownUnion());
    opRules.put(new RuleRegExp(new String("R3"), "TS%.*UNION%"), UnionProcFactory.getMapUnion());

    // The dispatcher fires the processor for the matching rule and passes the context along
    UnionProcContext uCtx = new UnionProcContext();
    Dispatcher disp = new DefaultRuleDispatcher(UnionProcFactory.getNoUnion(), opRules, uCtx);
    GraphWalker ogw = new PreOrderWalker(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("R6", HiveParser.TOK_TABLE_OR_COL + "%"),
        getColumnExprProcessor());

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

    // Create a list of topop nodes
    ArrayList<Node> topNodes = new ArrayList<Node>();
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        MapJoinOperator.getOperatorName() + "%"),
        MapJoinFactory.getTableScanMapJoin());

    // 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(pCtx.getTopOps().values());
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