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

org.apache.hadoop.hive.ql.lib.NodeProcessor
Base class for processing operators which is no-op. The specific processors can register their own context with the dispatcher.

  private NodeProcessor getBucketMapjoinProc(ParseContext pctx) {
    return new BucketMapjoinOptProc(pctx);
  }


  private NodeProcessor getDefaultProc() {
    return new NodeProcessor() {
      @Override
      public Object process(Node nd, Stack<Node> stack,
          NodeProcessorCtx procCtx, Object... nodeOutputs)
          throws SemanticException {
        return null;

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  public ExprNodeDesc analyzePredicate(
    ExprNodeDesc predicate,
    final List<IndexSearchCondition> searchConditions) {


    Map<Rule, NodeProcessor> opRules = new LinkedHashMap<Rule, NodeProcessor>();
    NodeProcessor nodeProcessor = new NodeProcessor() {
      @Override
      public Object process(Node nd, Stack<Node> stack,
        NodeProcessorCtx procCtx, Object... nodeOutputs)
        throws SemanticException {

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  public static NodeProcessor getGroupByProc() {
    return new MapJoinFollowByProcessor();
  }


  public static NodeProcessor getDefaultProc() {
    return new NodeProcessor() {
      @Override
      public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx,
          Object... nodeOutputs) throws SemanticException {
        return null;
      }

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org.apache.hadoop.hive.ql.optimizer.correlation.CorrelationOptimizer

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