Package org.apache.hadoop.hive.ql.optimizer.physical.SkewJoinResolver

Examples of org.apache.hadoop.hive.ql.optimizer.physical.SkewJoinResolver.SkewJoinProcCtx


   *
   */
  public static class SkewJoinJoinProcessor implements NodeProcessor {
    public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx ctx,
        Object... nodeOutputs) throws SemanticException {
      SkewJoinProcCtx context = (SkewJoinProcCtx) ctx;
      JoinOperator op = (JoinOperator) nd;
      ParseContext parseContext = context.getParseCtx();
      Task<? extends Serializable> currentTsk = context.getCurrentTask();
      GenMRSkewJoinProcessor.processSkewJoin(op, currentTsk, parseContext);
      return null;
    }
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   *
   */
  public static class SkewJoinJoinProcessor implements NodeProcessor {
    public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx ctx,
        Object... nodeOutputs) throws SemanticException {
      SkewJoinProcCtx context = (SkewJoinProcCtx) ctx;
      JoinOperator op = (JoinOperator) nd;
      if (op.getConf().isFixedAsSorted()) {
        return null;
      }
      ParseContext parseContext = context.getParseCtx();
      Task<? extends Serializable> currentTsk = context.getCurrentTask();
      GenMRSkewJoinProcessor.processSkewJoin(op, currentTsk, parseContext);
      return null;
    }
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