Package org.apache.tajo.ipc.TajoWorkerProtocol

Examples of org.apache.tajo.ipc.TajoWorkerProtocol.EnforceProperty

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  public PhysicalExec createGroupByPlan(TaskAttemptContext context,GroupbyNode groupbyNode, PhysicalExec subOp)
      throws IOException {

    Enforcer enforcer = context.getEnforcer();
    EnforceProperty property = getAlgorithmEnforceProperty(enforcer, groupbyNode);
    if (property != null) {
      GroupbyAlgorithm algorithm = property.getGroupby().getAlgorithm();
      if (algorithm == GroupbyAlgorithm.HASH_AGGREGATION) {
        return createInMemoryHashAggregation(context, groupbyNode, subOp);
      } else {
        return createSortAggregation(context, property, groupbyNode, subOp);
      }
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        return child;
      }
    }

    Enforcer enforcer = context.getEnforcer();
    EnforceProperty property = getAlgorithmEnforceProperty(enforcer, sortNode);
    if (property != null) {
      SortEnforce.SortAlgorithm algorithm = property.getSort().getAlgorithm();
      if (algorithm == SortEnforce.SortAlgorithm.IN_MEMORY_SORT) {
        return new MemSortExec(context, sortNode, child);
      } else {
        return new ExternalSortExec(context, sm, sortNode, child);
      }
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      return null;
    }

    if (enforcer.hasEnforceProperty(type)) {
      List<EnforceProperty> properties = enforcer.getEnforceProperties(type);
      EnforceProperty found = null;
      for (EnforceProperty property : properties) {
        if (type == EnforceType.JOIN && property.getJoin().getPid() == node.getPID()) {
          found = property;
        } else if (type == EnforceType.GROUP_BY && property.getGroupby().getPid() == node.getPID()) {
          found = property;
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  • org.apache.tajo.engine.planner.PhysicalPlannerImpl
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