Java RelDataTypeFactory.createMapType方法代码示例

本文整理汇总了Java中org.apache.calcite.rel.type.RelDataTypeFactory.createMapType方法的典型用法代码示例。如果您正苦于以下问题：Java RelDataTypeFactory.createMapType方法的具体用法？Java RelDataTypeFactory.createMapType怎么用？Java RelDataTypeFactory.createMapType使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.calcite.rel.type.RelDataTypeFactory的用法示例。

在下文中一共展示了RelDataTypeFactory.createMapType方法的7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，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: getRelDataTypeFromHiveType

import org.apache.calcite.rel.type.RelDataTypeFactory; //导入方法依赖的package包/类
private RelDataType getRelDataTypeFromHiveType(RelDataTypeFactory typeFactory, TypeInfo typeInfo) {
  switch(typeInfo.getCategory()) {
    case PRIMITIVE:
      return getRelDataTypeFromHivePrimitiveType(typeFactory, ((PrimitiveTypeInfo) typeInfo));

    case LIST: {
      ListTypeInfo listTypeInfo = (ListTypeInfo)typeInfo;
      RelDataType listElemTypeInfo = getRelDataTypeFromHiveType(typeFactory, listTypeInfo.getListElementTypeInfo());
      return typeFactory.createArrayType(listElemTypeInfo, -1);
    }

    case MAP: {
      MapTypeInfo mapTypeInfo = (MapTypeInfo)typeInfo;
      RelDataType keyType = getRelDataTypeFromHiveType(typeFactory, mapTypeInfo.getMapKeyTypeInfo());
      RelDataType valueType = getRelDataTypeFromHiveType(typeFactory, mapTypeInfo.getMapValueTypeInfo());
      return typeFactory.createMapType(keyType, valueType);
    }

    case STRUCT: {
      StructTypeInfo structTypeInfo = (StructTypeInfo)typeInfo;
      ArrayList<String> fieldNames = structTypeInfo.getAllStructFieldNames();
      ArrayList<TypeInfo> fieldHiveTypeInfoList = structTypeInfo.getAllStructFieldTypeInfos();
      List<RelDataType> fieldRelDataTypeList = Lists.newArrayList();
      for(TypeInfo fieldHiveType : fieldHiveTypeInfoList) {
        fieldRelDataTypeList.add(getRelDataTypeFromHiveType(typeFactory, fieldHiveType));
      }
      return typeFactory.createStructType(fieldRelDataTypeList, fieldNames);
    }

    case UNION:
      logger.warn("There is no UNION data type in SQL. Converting it to Sql type OTHER to avoid " +
          "breaking INFORMATION_SCHEMA queries");
      return typeFactory.createSqlType(SqlTypeName.OTHER);
  }

  throwUnsupportedHiveDataTypeError(typeInfo.getCategory().toString());
  return null;
}

开发者ID:skhalifa，项目名称:QDrill，代码行数:39，代码来源:DrillHiveTable.java

示例2: createMapType

import org.apache.calcite.rel.type.RelDataTypeFactory; //导入方法依赖的package包/类
public static RelDataType createMapType(
        RelDataTypeFactory typeFactory,
        RelDataType keyType,
        RelDataType valueType,
        boolean nullable) {
    RelDataType ret = typeFactory.createMapType(keyType, valueType);
    return typeFactory.createTypeWithNullability(ret, nullable);
}

开发者ID:apache，项目名称:kylin，代码行数:9，代码来源:SqlTypeUtil.java

示例3: getRowType

import org.apache.calcite.rel.type.RelDataTypeFactory; //导入方法依赖的package包/类
public RelDataType getRowType(RelDataTypeFactory typeFactory) {
  final RelDataType mapType =
      typeFactory.createMapType(
          typeFactory.createSqlType(SqlTypeName.VARCHAR),
          typeFactory.createTypeWithNullability(
              typeFactory.createSqlType(SqlTypeName.ANY), true));
  return typeFactory.builder().add("_MAP", mapType).build();
}

开发者ID:apache，项目名称:calcite，代码行数:9，代码来源:MongoTable.java

示例4: getRowType

import org.apache.calcite.rel.type.RelDataTypeFactory; //导入方法依赖的package包/类
public RelDataType getRowType(RelDataTypeFactory relDataTypeFactory) {
  final RelDataType mapType = relDataTypeFactory.createMapType(
      relDataTypeFactory.createSqlType(SqlTypeName.VARCHAR),
      relDataTypeFactory.createTypeWithNullability(
          relDataTypeFactory.createSqlType(SqlTypeName.ANY),
          true));
  return relDataTypeFactory.builder().add("_MAP", mapType).build();
}

开发者ID:apache，项目名称:calcite，代码行数:9，代码来源:AbstractElasticsearchTable.java

示例5: createMapType

import org.apache.calcite.rel.type.RelDataTypeFactory; //导入方法依赖的package包/类
public static RelDataType createMapType(
    RelDataTypeFactory typeFactory,
    RelDataType keyType,
    RelDataType valueType,
    boolean nullable) {
  RelDataType ret = typeFactory.createMapType(keyType, valueType);
  return typeFactory.createTypeWithNullability(ret, nullable);
}

开发者ID:apache，项目名称:calcite，代码行数:9，代码来源:SqlTypeUtil.java

示例6: getNullableRelDataTypeFromAvroType

import org.apache.calcite.rel.type.RelDataTypeFactory; //导入方法依赖的package包/类
private RelDataType getNullableRelDataTypeFromAvroType(
      RelDataTypeFactory typeFactory, Schema fieldSchema) {
    RelDataType relDataType = null;
    switch (fieldSchema.getType()) {
    case ARRAY:
      RelDataType eleType = getNullableRelDataTypeFromAvroType(typeFactory, fieldSchema.getElementType());
      relDataType = typeFactory.createArrayType(eleType, -1);
      break;
    case BOOLEAN:
      relDataType = typeFactory.createSqlType(SqlTypeName.BOOLEAN);
      break;
    case BYTES:
      relDataType = typeFactory.createSqlType(SqlTypeName.BINARY);
      break;
    case DOUBLE:
      relDataType = typeFactory.createSqlType(SqlTypeName.DOUBLE);
      break;
    case FIXED:
      logger.error("{} type not supported", fieldSchema.getType());
      throw UserException.unsupportedError().message("FIXED type not supported yet").build(logger);
    case FLOAT:
      relDataType = typeFactory.createSqlType(SqlTypeName.FLOAT);
      break;
    case INT:
      relDataType = typeFactory.createSqlType(SqlTypeName.INTEGER);
      break;
    case LONG:
      relDataType = typeFactory.createSqlType(SqlTypeName.BIGINT);
      break;
    case MAP:
      RelDataType valueType = getNullableRelDataTypeFromAvroType(typeFactory, fieldSchema.getValueType());
      RelDataType keyType = typeFactory.createSqlType(SqlTypeName.VARCHAR);
      relDataType = typeFactory.createMapType(keyType, valueType);
      break;
    case NULL:
      relDataType = typeFactory.createSqlType(SqlTypeName.NULL);
      break;
    case RECORD:
//      List<String> fieldNameList = Lists.newArrayList();
//      List<RelDataType> fieldRelDataTypeList = Lists.newArrayList();
//      for(Field field : fieldSchema.getFields()) {
//        fieldNameList.add(field.name());
//        fieldRelDataTypeList.add(getNullableRelDataTypeFromAvroType(typeFactory, field.schema()));
//      }
//      relDataType = typeFactory.createStructType(fieldRelDataTypeList, fieldNameList);

      //TODO This has to be mapped to struct type but because of calcite issue,
      //for now mapping it to map type.
      keyType = typeFactory.createSqlType(SqlTypeName.VARCHAR);
      valueType = typeFactory.createSqlType(SqlTypeName.ANY);
      relDataType = typeFactory.createMapType(keyType, valueType);
      break;
    case ENUM:
    case STRING:
      relDataType = typeFactory.createSqlType(SqlTypeName.VARCHAR);
      break;
    case UNION:
      RelDataType optinalType = getNullableRelDataTypeFromAvroType(typeFactory, fieldSchema.getTypes().get(1));
      relDataType = typeFactory.createTypeWithNullability(optinalType, true);
      break;
    }
    return relDataType;
  }

开发者ID:axbaretto，项目名称:drill，代码行数:64，代码来源:AvroDrillTable.java

示例7: toType

import org.apache.calcite.rel.type.RelDataTypeFactory; //导入方法依赖的package包/类
private RelDataType toType(Ast.MapType type) {
  final RelDataTypeFactory typeFactory = builder.getTypeFactory();
  final RelDataType k = toType(type.keyType);
  final RelDataType v = toType(type.valueType);
  return typeFactory.createMapType(k, v);
}

开发者ID:apache，项目名称:calcite，代码行数:7，代码来源:Handler.java

注：本文中的org.apache.calcite.rel.type.RelDataTypeFactory.createMapType方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，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。