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

Examples of org.apache.hadoop.hive.ql.optimizer.Optimizer

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    if (LOG.isDebugEnabled()) {
      LOG.debug("Before logical optimization\n" + Operator.toString(pCtx.getTopOps().values()));
    }

    Optimizer optm = new Optimizer();
    optm.setPctx(pCtx);
    optm.initialize(conf);
    pCtx = optm.optimize();

    FetchTask origFetchTask = pCtx.getFetchTask();

    if (LOG.isDebugEnabled()) {
      LOG.debug("After logical optimization\n" + Operator.toString(pCtx.getTopOps().values()));
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    ParseContext pCtx = new ParseContext(conf, qb, ast, aliasToPruner, opToPartPruner, aliasToSamplePruner, topOps,
                                         topSelOps, opParseCtx, joinContext, topToTable, loadTableWork, loadFileWork,
                                         ctx, idToTableNameMap, destTableId, uCtx, listMapJoinOpsNoReducer);
 
    Optimizer optm = new Optimizer();
    optm.setPctx(pCtx);
    optm.initialize(conf);
    pCtx = optm.optimize();
    init(pCtx);
    qb = pCtx.getQB();
   
    // Do any partition pruning using ASTPartitionPruner
    genPartitionPruners(qb);
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    if (LOG.isDebugEnabled()) {
      LOG.debug("Before logical optimization\n" + Operator.toString(pCtx.getTopOps().values()));
    }

    Optimizer optm = new Optimizer();
    optm.setPctx(pCtx);
    optm.initialize(conf);
    pCtx = optm.optimize();
   
    FetchTask origFetchTask = pCtx.getFetchTask();

    if (LOG.isDebugEnabled()) {
      LOG.debug("After logical optimization\n" + Operator.toString(pCtx.getTopOps().values()));
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    if (LOG.isDebugEnabled()) {
      LOG.debug("Before logical optimization\n" + Operator.toString(pCtx.getTopOps().values()));
    }

    Optimizer optm = new Optimizer();
    optm.setPctx(pCtx);
    optm.initialize(conf);
    pCtx = optm.optimize();

    if (LOG.isDebugEnabled()) {
      LOG.debug("After logical optimization\n" + Operator.toString(pCtx.getTopOps().values()));
    }
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    if (LOG.isDebugEnabled()) {
      LOG.debug("\n" + Operator.toString(pCtx.getTopOps().values()));
    }

    Optimizer optm = new Optimizer();
    optm.setPctx(pCtx);
    optm.initialize(conf);
    pCtx = optm.optimize();

    if (LOG.isDebugEnabled()) {
      LOG.debug("\n" + Operator.toString(pCtx.getTopOps().values()));
    }
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        opToPartList, topOps, topSelOps, opParseCtx, joinContext, topToTable,
        loadTableWork, loadFileWork, ctx, idToTableNameMap, destTableId, uCtx,
        listMapJoinOpsNoReducer, groupOpToInputTables, prunedPartitions,
        opToSamplePruner);

    Optimizer optm = new Optimizer();
    optm.setPctx(pCtx);
    optm.initialize(conf);
    pCtx = optm.optimize();
    init(pCtx);
    qb = pCtx.getQB();

    // At this point we have the complete operator tree
    // from which we want to find the reduce operator
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Related Classes of org.apache.hadoop.hive.ql.optimizer.Optimizer

  • org.apache.hadoop.hive.ql.optimizer.correlation.CorrelationOptimizer
  • org.apache.hadoop.hive.ql.optimizer.correlation.ReduceSinkDeDuplication
  • org.apache.hadoop.hive.ql.optimizer.index.RewriteGBUsingIndex
  • org.apache.hadoop.hive.ql.optimizer.lineage.Generator
  • org.apache.hadoop.hive.ql.optimizer.listbucketingpruner.ListBucketingPruner
  • org.apache.hadoop.hive.ql.optimizer.metainfo.annotation.AnnotateWithOpTraits
  • org.apache.hadoop.hive.ql.optimizer.pcr.PartitionConditionRemover
  • org.apache.hadoop.hive.ql.optimizer.ppr.PartitionPruner
  • org.apache.hadoop.hive.ql.optimizer.stats.annotation.AnnotateWithStatistics
  • org.apache.hadoop.hive.ql.optimizer.unionproc.UnionProcessor
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