Package org.apache.derby.iapi.sql.compile

Examples of org.apache.derby.iapi.sql.compile.Optimizer.trace()

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  {
    Optimizer optimizer = ap.getOptimizer();

    ap.setJoinStrategy(getCurrentAccessPath().getJoinStrategy());

    optimizer.trace(Optimizer.REMEMBERING_JOIN_STRATEGY, tableNumber, 0, 0.0,
        getCurrentAccessPath().getJoinStrategy());

    if (ap == bestAccessPath)
    {
      optimizer.trace(Optimizer.REMEMBERING_BEST_ACCESS_PATH_SUBSTRING,
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    optimizer.trace(Optimizer.REMEMBERING_JOIN_STRATEGY, tableNumber, 0, 0.0,
        getCurrentAccessPath().getJoinStrategy());

    if (ap == bestAccessPath)
    {
      optimizer.trace(Optimizer.REMEMBERING_BEST_ACCESS_PATH_SUBSTRING,
              tableNumber, 0, 0.0, ap);
    }
    else if (ap == bestSortAvoidancePath)
    {
      optimizer.trace(Optimizer.REMEMBERING_BEST_SORT_AVOIDANCE_ACCESS_PATH_SUBSTRING,
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      optimizer.trace(Optimizer.REMEMBERING_BEST_ACCESS_PATH_SUBSTRING,
              tableNumber, 0, 0.0, ap);
    }
    else if (ap == bestSortAvoidancePath)
    {
      optimizer.trace(Optimizer.REMEMBERING_BEST_SORT_AVOIDANCE_ACCESS_PATH_SUBSTRING,
              tableNumber, 0, 0.0, ap);
    }
    else
    {
      /* We currently get here when optimizing an outer join.
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      {
        SanityManager.THROWASSERT(
          "unknown access path type");
      }
       */
      optimizer.trace(Optimizer.REMEMBERING_BEST_UNKNOWN_ACCESS_PATH_SUBSTRING,
              tableNumber, 0, 0.0, ap);
    }
  }

  /** @see Optimizable#getTableDescriptor */
 
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    ConglomerateDescriptor trulyTheBestConglomerateDescriptor =
                         ap.getConglomerateDescriptor();
    JoinStrategy trulyTheBestJoinStrategy = ap.getJoinStrategy();
    Optimizer optimizer = ap.getOptimizer();

    optimizer.trace(Optimizer.CHANGING_ACCESS_PATH_FOR_TABLE,
            tableNumber, 0, 0.0, null);

    if (SanityManager.DEBUG)
    {
      SanityManager.ASSERT(
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  {
    Optimizer optimizer = ap.getOptimizer();

    ap.setJoinStrategy(getCurrentAccessPath().getJoinStrategy());

    optimizer.trace(Optimizer.REMEMBERING_JOIN_STRATEGY, tableNumber, 0, 0.0,
        getCurrentAccessPath().getJoinStrategy());

    if (ap == bestAccessPath)
    {
      optimizer.trace(Optimizer.REMEMBERING_BEST_ACCESS_PATH_SUBSTRING,
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    optimizer.trace(Optimizer.REMEMBERING_JOIN_STRATEGY, tableNumber, 0, 0.0,
        getCurrentAccessPath().getJoinStrategy());

    if (ap == bestAccessPath)
    {
      optimizer.trace(Optimizer.REMEMBERING_BEST_ACCESS_PATH_SUBSTRING,
              tableNumber, 0, 0.0, ap);
    }
    else if (ap == bestSortAvoidancePath)
    {
      optimizer.trace(Optimizer.REMEMBERING_BEST_SORT_AVOIDANCE_ACCESS_PATH_SUBSTRING,
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      optimizer.trace(Optimizer.REMEMBERING_BEST_ACCESS_PATH_SUBSTRING,
              tableNumber, 0, 0.0, ap);
    }
    else if (ap == bestSortAvoidancePath)
    {
      optimizer.trace(Optimizer.REMEMBERING_BEST_SORT_AVOIDANCE_ACCESS_PATH_SUBSTRING,
              tableNumber, 0, 0.0, ap);
    }
    else
    {
      /* We currently get here when optimizing an outer join.
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      {
        SanityManager.THROWASSERT(
          "unknown access path type");
      }
       */
      optimizer.trace(Optimizer.REMEMBERING_BEST_UNKNOWN_ACCESS_PATH_SUBSTRING,
              tableNumber, 0, 0.0, ap);
    }
  }

  /** @see Optimizable#getTableDescriptor */
 
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    ConglomerateDescriptor trulyTheBestConglomerateDescriptor =
                         ap.getConglomerateDescriptor();
    JoinStrategy trulyTheBestJoinStrategy = ap.getJoinStrategy();
    Optimizer optimizer = ap.getOptimizer();

    optimizer.trace(Optimizer.CHANGING_ACCESS_PATH_FOR_TABLE,
            tableNumber, 0, 0.0, null);

    if (SanityManager.DEBUG)
    {
      SanityManager.ASSERT(
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