Package org.apache.hadoop.hive.ql.optimizer.stats.annotation

Examples of org.apache.hadoop.hive.ql.optimizer.stats.annotation.AnnotateWithStatistics

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    if(HiveConf.getBoolVar(hiveConf, HiveConf.ConfVars.HIVEOPTIMIZEMETADATAQUERIES)) {
      transformations.add(new StatsOptimizer());
    }
    if (pctx.getContext().getExplain() ||
        HiveConf.getVar(hiveConf, HiveConf.ConfVars.HIVE_EXECUTION_ENGINE).equals("tez")) {
      transformations.add(new AnnotateWithStatistics());
      transformations.add(new AnnotateWithOpTraits());
    }

    transformations.add(new SimpleFetchOptimizer());  // must be called last
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    }
    if(HiveConf.getBoolVar(hiveConf, HiveConf.ConfVars.HIVEOPTIMIZEMETADATAQUERIES)) {
      transformations.add(new StatsOptimizer());
    }
    if (pctx.getContext().getExplain() && !isTezExecEngine) {
      transformations.add(new AnnotateWithStatistics());
      transformations.add(new AnnotateWithOpTraits());
    }

    if (!HiveConf.getVar(hiveConf, HiveConf.ConfVars.HIVEFETCHTASKCONVERSION).equals("none")) {
      transformations.add(new SimpleFetchOptimizer()); // must be called last
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      } while (current != o);
    }
  }

  private void runStatsAnnotation(OptimizeTezProcContext procCtx) throws SemanticException {
    new AnnotateWithStatistics().transform(procCtx.parseContext);
    new AnnotateWithOpTraits().transform(procCtx.parseContext);
  }
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Related Classes of org.apache.hadoop.hive.ql.optimizer.stats.annotation.AnnotateWithStatistics

  • org.apache.hadoop.hive.ql.lib.DefaultRuleDispatcher
  • org.apache.hadoop.hive.ql.lib.Dispatcher
  • org.apache.hadoop.hive.ql.lib.GraphWalker
  • org.apache.hadoop.hive.ql.lib.PreOrderWalker
  • org.apache.hadoop.hive.ql.lib.RuleRegExp
  • org.apache.hadoop.hive.ql.optimizer.Optimizer
  • org.apache.hadoop.hive.ql.parse.TezCompiler
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