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Java EnumerableRel类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Java中org.apache.calcite.adapter.enumerable.EnumerableRel的典型用法代码示例。如果您正苦于以下问题:Java EnumerableRel类的具体用法?Java EnumerableRel怎么用?Java EnumerableRel使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



EnumerableRel类属于org.apache.calcite.adapter.enumerable包,在下文中一共展示了EnumerableRel类的16个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: CalcitePreparingStmt

import org.apache.calcite.adapter.enumerable.EnumerableRel; //导入依赖的package包/类
public CalcitePreparingStmt(CalcitePrepareImpl prepare,
    Context context,
    CatalogReader catalogReader,
    RelDataTypeFactory typeFactory,
    CalciteSchema schema,
    EnumerableRel.Prefer prefer,
    RelOptPlanner planner,
    Convention resultConvention,
    SqlRexConvertletTable convertletTable) {
  super(context, catalogReader, resultConvention);
  this.prepare = prepare;
  this.schema = schema;
  this.prefer = prefer;
  this.planner = planner;
  this.typeFactory = typeFactory;
  this.convertletTable = convertletTable;
  this.rexBuilder = new RexBuilder(typeFactory);
}
 
开发者ID:apache,项目名称:kylin,代码行数:19,代码来源:CalcitePrepareImpl.java


示例2: implementSpark

import org.apache.calcite.adapter.enumerable.EnumerableRel; //导入依赖的package包/类
public Result implementSpark(Implementor implementor) {
  // Generate:
  //   Enumerable source = ...;
  //   return SparkRuntime.createRdd(sparkContext, source);
  final BlockBuilder list = new BlockBuilder();
  final EnumerableRel child = (EnumerableRel) getInput();
  final PhysType physType =
      PhysTypeImpl.of(
          implementor.getTypeFactory(), getRowType(),
          JavaRowFormat.CUSTOM);
  final Expression source = null; // TODO:
  final Expression sparkContext =
      Expressions.call(
          SparkMethod.GET_SPARK_CONTEXT.method,
          implementor.getRootExpression());
  final Expression rdd =
      list.append(
          "rdd",
          Expressions.call(
              SparkMethod.CREATE_RDD.method,
              sparkContext,
              source));
  list.add(
      Expressions.return_(null, rdd));
  return implementor.result(physType, list.toBlock());
}
 
开发者ID:apache,项目名称:calcite,代码行数:27,代码来源:EnumerableToSparkConverter.java


示例3: CalcitePreparingStmt

import org.apache.calcite.adapter.enumerable.EnumerableRel; //导入依赖的package包/类
CalcitePreparingStmt(CalcitePrepareImpl prepare,
    Context context,
    CatalogReader catalogReader,
    RelDataTypeFactory typeFactory,
    CalciteSchema schema,
    EnumerableRel.Prefer prefer,
    RelOptPlanner planner,
    Convention resultConvention,
    SqlRexConvertletTable convertletTable) {
  super(context, catalogReader, resultConvention);
  this.prepare = prepare;
  this.schema = schema;
  this.prefer = prefer;
  this.planner = planner;
  this.typeFactory = typeFactory;
  this.convertletTable = convertletTable;
  this.rexBuilder = new RexBuilder(typeFactory);
}
 
开发者ID:apache,项目名称:calcite,代码行数:19,代码来源:CalcitePrepareImpl.java


示例4: implementEnumerable

import org.apache.calcite.adapter.enumerable.EnumerableRel; //导入依赖的package包/类
@Override
public EnumerableRel implementEnumerable(List<EnumerableRel> inputs) {
    // keep it for having clause
    RexBuilder rexBuilder = getCluster().getRexBuilder();
    RelDataType inputRowType = getInput().getRowType();
    RexProgramBuilder programBuilder = new RexProgramBuilder(inputRowType, rexBuilder);
    programBuilder.addIdentity();
    programBuilder.addCondition(this.condition);
    RexProgram program = programBuilder.getProgram();

    return new EnumerableCalc(getCluster(), getCluster().traitSetOf(EnumerableConvention.INSTANCE), //
            sole(inputs), program);
}
 
开发者ID:apache,项目名称:kylin,代码行数:14,代码来源:OLAPFilterRel.java


示例5: implementEnumerable

import org.apache.calcite.adapter.enumerable.EnumerableRel; //导入依赖的package包/类
@Override
public EnumerableRel implementEnumerable(List<EnumerableRel> inputs) {
    ArrayList<RelNode> relInputs = new ArrayList<>(inputs.size());
    for (EnumerableRel input : inputs) {
        if (input instanceof OLAPRel) {
            ((OLAPRel) input).replaceTraitSet(EnumerableConvention.INSTANCE);
        }
        relInputs.add(input);
    }
    return new EnumerableUnion(getCluster(), traitSet, relInputs, localAll);
}
 
开发者ID:apache,项目名称:kylin,代码行数:12,代码来源:OLAPUnionRel.java


示例6: implementEnumerable

import org.apache.calcite.adapter.enumerable.EnumerableRel; //导入依赖的package包/类
@Override
public EnumerableRel implementEnumerable(List<EnumerableRel> inputs) {
    for (EnumerableRel input : inputs) {
        if (input instanceof OLAPRel) {
            ((OLAPRel) input).replaceTraitSet(EnumerableConvention.INSTANCE);
        }
    }
    return EnumerableWindowBridge.createEnumerableWindow(getCluster(), traitSet, inputs.get(0), constants, rowType,
            groups);
}
 
开发者ID:apache,项目名称:kylin,代码行数:11,代码来源:OLAPWindowRel.java


示例7: implementEnumerable

import org.apache.calcite.adapter.enumerable.EnumerableRel; //导入依赖的package包/类
@Override
public EnumerableRel implementEnumerable(List<EnumerableRel> inputs) {
    EnumerableRel input = sole(inputs);
    if (input instanceof OLAPRel) {
        ((OLAPRel) input).replaceTraitSet(EnumerableConvention.INSTANCE);
    }
    return EnumerableLimit.create(input, localOffset, localFetch);
}
 
开发者ID:apache,项目名称:kylin,代码行数:9,代码来源:OLAPLimitRel.java


示例8: implementEnumerable

import org.apache.calcite.adapter.enumerable.EnumerableRel; //导入依赖的package包/类
@Override
public EnumerableRel implementEnumerable(List<EnumerableRel> inputs) {
    if (this.hasSubQuery) {
        try {
            return constr.newInstance(getCluster(), getCluster().traitSetOf(EnumerableConvention.INSTANCE), //
                    inputs.get(0), inputs.get(1), condition, leftKeys, rightKeys, variablesSet, joinType);
        } catch (Exception e) {
            throw new IllegalStateException("Can't create EnumerableJoin!", e);
        }
    } else {
        return this;
    }
}
 
开发者ID:apache,项目名称:kylin,代码行数:14,代码来源:OLAPJoinRel.java


示例9: implementEnumerable

import org.apache.calcite.adapter.enumerable.EnumerableRel; //导入依赖的package包/类
@Override
public EnumerableRel implementEnumerable(List<EnumerableRel> inputs) {
    try {
        return new EnumerableAggregate(getCluster(), getCluster().traitSetOf(EnumerableConvention.INSTANCE), //
                sole(inputs), indicator, this.groupSet, this.groupSets, rewriteAggCalls);
    } catch (InvalidRelException e) {
        throw new IllegalStateException("Can't create EnumerableAggregate!", e);
    }
}
 
开发者ID:apache,项目名称:kylin,代码行数:10,代码来源:OLAPAggregateRel.java


示例10: createEnumerable

import org.apache.calcite.adapter.enumerable.EnumerableRel; //导入依赖的package包/类
public EnumerableRel createEnumerable(OLAPRel parent) {
    ArrayList<EnumerableRel> enumInputs = null;
    List<RelNode> children = parent.getInputs();
    if (children != null) {
        enumInputs = Lists.newArrayListWithCapacity(children.size());
        for (RelNode child : children) {
            enumInputs.add(createEnumerable((OLAPRel) child));
        }
    }

    EnumerableRel result = parent.implementEnumerable(enumInputs);
    relContexts.put(result, parent.getContext());
    return result;
}
 
开发者ID:apache,项目名称:kylin,代码行数:15,代码来源:OLAPRel.java


示例11: visitChild

import org.apache.calcite.adapter.enumerable.EnumerableRel; //导入依赖的package包/类
@Override
public EnumerableRel.Result visitChild(EnumerableRel parent, int ordinal, EnumerableRel child, EnumerableRel.Prefer prefer) {
    
    if (calciteDebug) {
        OLAPContext context;
        if (child instanceof OLAPRel)
            context = ((OLAPRel) child).getContext();
        else
            context = relContexts.get(child);
        System.out.println(context + " - " + child);
    }

    return super.visitChild(parent, ordinal, child, prefer);
}
 
开发者ID:apache,项目名称:kylin,代码行数:15,代码来源:OLAPRel.java


示例12: CalciteMaterializer

import org.apache.calcite.adapter.enumerable.EnumerableRel; //导入依赖的package包/类
CalciteMaterializer(CalcitePrepareImpl prepare,
    CalcitePrepare.Context context,
    CatalogReader catalogReader, CalciteSchema schema,
    RelOptPlanner planner, SqlRexConvertletTable convertletTable) {
  super(prepare, context, catalogReader, catalogReader.getTypeFactory(),
      schema, EnumerableRel.Prefer.ANY, planner, BindableConvention.INSTANCE,
      convertletTable);
}
 
开发者ID:apache,项目名称:calcite,代码行数:9,代码来源:CalciteMaterializer.java


示例13: implementEnumerable

import org.apache.calcite.adapter.enumerable.EnumerableRel; //导入依赖的package包/类
@Override
public EnumerableRel implementEnumerable(List<EnumerableRel> inputs) {

    return this;
}
 
开发者ID:apache,项目名称:kylin,代码行数:6,代码来源:OLAPTableScan.java


示例14: implementEnumerable

import org.apache.calcite.adapter.enumerable.EnumerableRel; //导入依赖的package包/类
@Override
public EnumerableRel implementEnumerable(List<EnumerableRel> inputs) {
    return new EnumerableSort(getCluster(),
            getCluster().traitSetOf(EnumerableConvention.INSTANCE).replace(collation), //
            sole(inputs), collation, offset, fetch);
}
 
开发者ID:apache,项目名称:kylin,代码行数:7,代码来源:OLAPSortRel.java


示例15: implement

import org.apache.calcite.adapter.enumerable.EnumerableRel; //导入依赖的package包/类
@Override protected PreparedResult implement(RelRoot root) {
  RelDataType resultType = root.rel.getRowType();
  boolean isDml = root.kind.belongsTo(SqlKind.DML);
  final Bindable bindable;
  if (resultConvention == BindableConvention.INSTANCE) {
    bindable = Interpreters.bindable(root.rel);
  } else {
    EnumerableRel enumerable = (EnumerableRel) root.rel;
    if (!root.isRefTrivial()) {
      final List<RexNode> projects = new ArrayList<>();
      final RexBuilder rexBuilder = enumerable.getCluster().getRexBuilder();
      for (int field : Pair.left(root.fields)) {
        projects.add(rexBuilder.makeInputRef(enumerable, field));
      }
      RexProgram program = RexProgram.create(enumerable.getRowType(),
          projects, null, root.validatedRowType, rexBuilder);
      enumerable = EnumerableCalc.create(enumerable, program);
    }

    try {
      CatalogReader.THREAD_LOCAL.set(catalogReader);
      bindable = EnumerableInterpretable.toBindable(internalParameters,
          context.spark(), enumerable, prefer);
    } finally {
      CatalogReader.THREAD_LOCAL.remove();
    }
  }

  if (timingTracer != null) {
    timingTracer.traceTime("end codegen");
  }

  if (timingTracer != null) {
    timingTracer.traceTime("end compilation");
  }

  return new PreparedResultImpl(
      resultType,
      parameterRowType,
      fieldOrigins,
      root.collation.getFieldCollations().isEmpty()
          ? ImmutableList.<RelCollation>of()
          : ImmutableList.of(root.collation),
      root.rel,
      mapTableModOp(isDml, root.kind),
      isDml) {
    public String getCode() {
      throw new UnsupportedOperationException();
    }

    public Bindable getBindable(Meta.CursorFactory cursorFactory) {
      return bindable;
    }

    public Type getElementType() {
      return ((Typed) bindable).getElementType();
    }
  };
}
 
开发者ID:apache,项目名称:kylin,代码行数:60,代码来源:CalcitePrepareImpl.java


示例16: implementEnumerable

import org.apache.calcite.adapter.enumerable.EnumerableRel; //导入依赖的package包/类
public EnumerableRel implementEnumerable(List<EnumerableRel> inputs); 
开发者ID:apache,项目名称:kylin,代码行数:2,代码来源:OLAPRel.java



注:本文中的org.apache.calcite.adapter.enumerable.EnumerableRel类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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