Java DecimalTypeInfo类代码示例

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本文整理汇总了Java中org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo类的典型用法代码示例。如果您正苦于以下问题：Java DecimalTypeInfo类的具体用法？Java DecimalTypeInfo怎么用？Java DecimalTypeInfo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。

DecimalTypeInfo类属于org.apache.hadoop.hive.serde2.typeinfo包，在下文中一共展示了DecimalTypeInfo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: getPrimitiveType

import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo; //导入依赖的package包/类
private static Type getPrimitiveType(final ObjectInspector fieldInspector) {
    final PrimitiveCategory primitiveCategory = ((PrimitiveObjectInspector) fieldInspector)
        .getPrimitiveCategory();
    if (HiveTypeMapping.getHIVE_TO_CANONICAL().containsKey(primitiveCategory.name())) {
        return HiveTypeMapping.getHIVE_TO_CANONICAL().get(primitiveCategory.name());
    }
    switch (primitiveCategory) {
        case DECIMAL:
            final DecimalTypeInfo decimalTypeInfo = (DecimalTypeInfo) ((PrimitiveObjectInspector) fieldInspector)
                .getTypeInfo();
            return DecimalType.createDecimalType(decimalTypeInfo.precision(), decimalTypeInfo.getScale());
        case CHAR:
            final int cLength = ((CharTypeInfo) ((PrimitiveObjectInspector)
                fieldInspector).getTypeInfo()).getLength();
            return CharType.createCharType(cLength);
        case VARCHAR:
            final int vLength = ((VarcharTypeInfo) ((PrimitiveObjectInspector) fieldInspector)
                .getTypeInfo()).getLength();
            return VarcharType.createVarcharType(vLength);
        default:
            return null;
    }
}

开发者ID:Netflix，项目名称:metacat，代码行数:24，代码来源:HiveTypeConverter.java

示例2: getQualifiedTypeName

import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo; //导入依赖的package包/类
/**
 * Gets the qualified type name.
 *
 * @param typeDesc the type desc
 * @return the qualified type name
 */
public static String getQualifiedTypeName(TypeDescriptor typeDesc) {
  if (typeDesc.getType().isQualifiedType()) {
    switch (typeDesc.getType()) {
    case VARCHAR_TYPE:
      return VarcharTypeInfo.getQualifiedName(typeDesc.getTypeName(),
        typeDesc.getTypeQualifiers().getCharacterMaximumLength()).toLowerCase();
    case CHAR_TYPE:
      return CharTypeInfo.getQualifiedName(typeDesc.getTypeName(),
        typeDesc.getTypeQualifiers().getCharacterMaximumLength()).toLowerCase();
    case DECIMAL_TYPE:
      return DecimalTypeInfo.getQualifiedName(typeDesc.getTypeQualifiers().getPrecision(),
        typeDesc.getTypeQualifiers().getScale()).toLowerCase();
    }
  } else if (typeDesc.getType().isComplexType()) {
    switch (typeDesc.getType()) {
    case ARRAY_TYPE:
    case MAP_TYPE:
    case STRUCT_TYPE:
      return "string";
    }
  }
  return typeDesc.getTypeName().toLowerCase();
}

开发者ID:apache，项目名称:lens，代码行数:30，代码来源:LensResultSetMetadata.java

示例3: getMajorTypeFromHiveTypeInfo

import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo; //导入依赖的package包/类
public static MajorType getMajorTypeFromHiveTypeInfo(final TypeInfo typeInfo, final OptionManager options) {
  switch (typeInfo.getCategory()) {
    case PRIMITIVE: {
      PrimitiveTypeInfo primitiveTypeInfo = (PrimitiveTypeInfo) typeInfo;
      MinorType minorType = HiveUtilities.getMinorTypeFromHivePrimitiveTypeInfo(primitiveTypeInfo, options);
      MajorType.Builder typeBuilder = MajorType.newBuilder().setMinorType(minorType)
          .setMode(DataMode.OPTIONAL); // Hive columns (both regular and partition) could have null values

      if (primitiveTypeInfo.getPrimitiveCategory() == PrimitiveCategory.DECIMAL) {
        DecimalTypeInfo decimalTypeInfo = (DecimalTypeInfo) primitiveTypeInfo;
        typeBuilder.setPrecision(decimalTypeInfo.precision())
            .setScale(decimalTypeInfo.scale()).build();
      }

      return typeBuilder.build();
    }

    case LIST:
    case MAP:
    case STRUCT:
    case UNION:
    default:
      throwUnsupportedHiveDataTypeError(typeInfo.getCategory().toString());
  }

  return null;
}

开发者ID:skhalifa，项目名称:QDrill，代码行数:28，代码来源:HiveUtilities.java

示例4: create

import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo; //导入依赖的package包/类
public static HiveFieldConverter create(TypeInfo typeInfo, FragmentContext fragmentContext)
    throws IllegalAccessException, InstantiationException {
  switch (typeInfo.getCategory()) {
    case PRIMITIVE:
      final PrimitiveCategory pCat = ((PrimitiveTypeInfo) typeInfo).getPrimitiveCategory();
      if (pCat != PrimitiveCategory.DECIMAL) {
        Class<? extends HiveFieldConverter> clazz = primMap.get(pCat);
        if (clazz != null) {
          return clazz.newInstance();
        }
      } else {
        // For decimal, based on precision return appropriate converter.
        DecimalTypeInfo decimalTypeInfo = (DecimalTypeInfo) typeInfo;
        int precision = decimalTypeInfo.precision();
        int scale = decimalTypeInfo.scale();
        if (precision <= 9) {
          return new Decimal9(precision, scale);
        } else if (precision <= 18) {
          return new Decimal18(precision, scale);
        } else if (precision <= 28) {
          return new Decimal28(precision, scale, fragmentContext);
        } else {
          return new Decimal38(precision, scale, fragmentContext);
        }
      }

      throwUnsupportedHiveDataTypeError(pCat.toString());
      break;

    case LIST:
    case MAP:
    case STRUCT:
    case UNION:
    default:
      throwUnsupportedHiveDataTypeError(typeInfo.getCategory().toString());
  }

  return null;
}

开发者ID:skhalifa，项目名称:QDrill，代码行数:40，代码来源:HiveFieldConverter.java

示例5: getMajorTypeFromHiveTypeInfo

import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo; //导入依赖的package包/类
public static MajorType getMajorTypeFromHiveTypeInfo(final TypeInfo typeInfo, final OptionManager options) {
  switch (typeInfo.getCategory()) {
    case PRIMITIVE: {
      PrimitiveTypeInfo primitiveTypeInfo = (PrimitiveTypeInfo) typeInfo;
      MinorType minorType = getMinorTypeFromHivePrimitiveTypeInfo(primitiveTypeInfo, options);
      MajorType.Builder typeBuilder = MajorType.newBuilder().setMinorType(getMinorTypeFromArrowMinorType(minorType))
              .setMode(DataMode.OPTIONAL); // Hive columns (both regular and partition) could have null values

      if (primitiveTypeInfo.getPrimitiveCategory() == PrimitiveCategory.DECIMAL) {
        DecimalTypeInfo decimalTypeInfo = (DecimalTypeInfo) primitiveTypeInfo;
        typeBuilder.setPrecision(decimalTypeInfo.precision())
                .setScale(decimalTypeInfo.scale()).build();
      }

      return typeBuilder.build();
    }

    case LIST:
    case MAP:
    case STRUCT:
    case UNION:
    default:
      HiveUtilities.throwUnsupportedHiveDataTypeError(typeInfo.getCategory().toString());
  }

  return null;
}

开发者ID:dremio，项目名称:dremio-oss，代码行数:28，代码来源:HiveAbstractReader.java

示例6: create

import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo; //导入依赖的package包/类
public static HiveFieldConverter create(TypeInfo typeInfo, OperatorContext context)
    throws IllegalAccessException, InstantiationException {
  switch (typeInfo.getCategory()) {
    case PRIMITIVE:
      final PrimitiveCategory pCat = ((PrimitiveTypeInfo) typeInfo).getPrimitiveCategory();
      if (pCat != PrimitiveCategory.DECIMAL) {
        Class<? extends HiveFieldConverter> clazz = primMap.get(pCat);
        if (clazz != null) {
          return clazz.newInstance();
        }
      } else {
        // For decimal, based on precision return appropriate converter.
        DecimalTypeInfo decimalTypeInfo = (DecimalTypeInfo) typeInfo;
        int precision = decimalTypeInfo.precision();
        int scale = decimalTypeInfo.scale();
        return new Decimal(precision, scale, context);
      }

      throwUnsupportedHiveDataTypeError(pCat.toString());
      break;

    case LIST:
    case MAP:
    case STRUCT:
    case UNION:
    default:
      throwUnsupportedHiveDataTypeError(typeInfo.getCategory().toString());
  }

  return null;
}

开发者ID:dremio，项目名称:dremio-oss，代码行数:32，代码来源:HiveFieldConverter.java

示例7: getMajorTypeFromHiveTypeInfo

import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo; //导入依赖的package包/类
public static MajorType getMajorTypeFromHiveTypeInfo(final TypeInfo typeInfo, final OptionManager options) {
  switch (typeInfo.getCategory()) {
    case PRIMITIVE: {
      PrimitiveTypeInfo primitiveTypeInfo = (PrimitiveTypeInfo) typeInfo;
      MinorType minorType = HiveUtilities.getMinorTypeFromHivePrimitiveTypeInfo(primitiveTypeInfo, options);
      MajorType.Builder typeBuilder = MajorType.newBuilder().setMinorType(minorType)
          .setMode(DataMode.OPTIONAL); // Hive columns (both regular and partition) could have null values

      switch (primitiveTypeInfo.getPrimitiveCategory()) {
        case CHAR:
        case VARCHAR:
          BaseCharTypeInfo baseCharTypeInfo = (BaseCharTypeInfo) primitiveTypeInfo;
          typeBuilder.setPrecision(baseCharTypeInfo.getLength());
          break;
        case DECIMAL:
          DecimalTypeInfo decimalTypeInfo = (DecimalTypeInfo) primitiveTypeInfo;
          typeBuilder.setPrecision(decimalTypeInfo.getPrecision()).setScale(decimalTypeInfo.getScale());
          break;
        default:
          // do nothing, other primitive categories do not have precision or scale
      }

      return typeBuilder.build();
    }

    case LIST:
    case MAP:
    case STRUCT:
    case UNION:
    default:
      throwUnsupportedHiveDataTypeError(typeInfo.getCategory().toString());
  }

  return null;
}

开发者ID:axbaretto，项目名称:drill，代码行数:36，代码来源:HiveUtilities.java

示例8: getFieldObjectInspector

import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo; //导入依赖的package包/类
/**
 * Given a Hive column type, returns the ObjectInspector that will be used to
 * get data from the field. Currently using the the standard Writable object
 * inspectors.
 * TODO: Support all types
 */
private ObjectInspector getFieldObjectInspector(final TypeInfo typeInfo) {
  if (typeInfo.equals(TypeInfoFactory.doubleTypeInfo)) {
    return PrimitiveObjectInspectorFactory.writableDoubleObjectInspector;
  } else if (typeInfo.equals(TypeInfoFactory.booleanTypeInfo)) {
    return PrimitiveObjectInspectorFactory.writableBooleanObjectInspector;
  } else if (typeInfo.equals(TypeInfoFactory.floatTypeInfo)) {
    return PrimitiveObjectInspectorFactory.writableFloatObjectInspector;
  } else if (typeInfo.equals(TypeInfoFactory.intTypeInfo)) {
    return PrimitiveObjectInspectorFactory.writableIntObjectInspector;
  } else if (typeInfo.equals(TypeInfoFactory.longTypeInfo)) {
    return PrimitiveObjectInspectorFactory.writableLongObjectInspector;
  } else if (typeInfo.equals(TypeInfoFactory.stringTypeInfo)) {
    return PrimitiveObjectInspectorFactory.writableStringObjectInspector;
  }  else if (typeInfo instanceof DecimalTypeInfo) {
    return PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(
        (DecimalTypeInfo) typeInfo);
  } else if (typeInfo instanceof VarcharTypeInfo) {
    return PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(
        (VarcharTypeInfo) typeInfo);
  } else if (typeInfo instanceof CharTypeInfo) {
    return PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(
        (CharTypeInfo) typeInfo);
  } else {
    throw new UnsupportedOperationException("Unknown field type: " + typeInfo);
  }
}

开发者ID:cloudera，项目名称:RecordServiceClient，代码行数:33，代码来源:RecordServiceObjectInspector.java

示例9: convertPartitionType

import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo; //导入依赖的package包/类
/** Partition value is received in string format. Convert it into appropriate object based on the type. */
public static Object convertPartitionType(TypeInfo typeInfo, String value, final String defaultPartitionValue) {
  if (typeInfo.getCategory() != Category.PRIMITIVE) {
    // In Hive only primitive types are allowed as partition column types.
    throw new DrillRuntimeException("Non-Primitive types are not allowed as partition column type in Hive, " +
        "but received one: " + typeInfo.getCategory());
  }

  if (defaultPartitionValue.equals(value)) {
    return null;
  }

  final PrimitiveCategory pCat = ((PrimitiveTypeInfo) typeInfo).getPrimitiveCategory();

  try {
    switch (pCat) {
      case BINARY:
        return value.getBytes();
      case BOOLEAN:
        return Boolean.parseBoolean(value);
      case DECIMAL: {
        DecimalTypeInfo decimalTypeInfo = (DecimalTypeInfo) typeInfo;
        return HiveDecimalUtils.enforcePrecisionScale(HiveDecimal.create(value),
            decimalTypeInfo.precision(), decimalTypeInfo.scale());
      }
      case DOUBLE:
        return Double.parseDouble(value);
      case FLOAT:
        return Float.parseFloat(value);
      case BYTE:
      case SHORT:
      case INT:
        return Integer.parseInt(value);
      case LONG:
        return Long.parseLong(value);
      case STRING:
      case VARCHAR:
        return value.getBytes();
      case TIMESTAMP:
        return Timestamp.valueOf(value);
      case DATE:
        return Date.valueOf(value);
    }
  } catch(final Exception e) {
    // In Hive, partition values that can't be converted from string are considered to be NULL.
    logger.trace("Failed to interpret '{}' value from partition value string '{}'", pCat, value);
    return null;
  }

  throwUnsupportedHiveDataTypeError(pCat.toString());
  return null;
}

开发者ID:skhalifa，项目名称:QDrill，代码行数:53，代码来源:HiveUtilities.java

示例10: getMinorTypeFromHivePrimitiveTypeInfo

import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo; //导入依赖的package包/类
public static TypeProtos.MinorType getMinorTypeFromHivePrimitiveTypeInfo(PrimitiveTypeInfo primitiveTypeInfo,
                                                                         OptionManager options) {
  switch(primitiveTypeInfo.getPrimitiveCategory()) {
    case BINARY:
      return TypeProtos.MinorType.VARBINARY;
    case BOOLEAN:
      return TypeProtos.MinorType.BIT;
    case DECIMAL: {

      if (options.getOption(PlannerSettings.ENABLE_DECIMAL_DATA_TYPE_KEY).bool_val == false) {
        throw UserException.unsupportedError()
            .message(ExecErrorConstants.DECIMAL_DISABLE_ERR_MSG)
            .build(logger);
      }
      DecimalTypeInfo decimalTypeInfo = (DecimalTypeInfo) primitiveTypeInfo;
      return DecimalUtility.getDecimalDataType(decimalTypeInfo.precision());
    }
    case DOUBLE:
      return TypeProtos.MinorType.FLOAT8;
    case FLOAT:
      return TypeProtos.MinorType.FLOAT4;
    // TODO (DRILL-2470)
    // Byte and short (tinyint and smallint in SQL types) are currently read as integers
    // as these smaller integer types are not fully supported in Drill today.
    case SHORT:
    case BYTE:
    case INT:
      return TypeProtos.MinorType.INT;
    case LONG:
      return TypeProtos.MinorType.BIGINT;
    case STRING:
    case VARCHAR:
      return TypeProtos.MinorType.VARCHAR;
    case TIMESTAMP:
      return TypeProtos.MinorType.TIMESTAMP;
    case DATE:
      return TypeProtos.MinorType.DATE;
  }
  throwUnsupportedHiveDataTypeError(primitiveTypeInfo.getPrimitiveCategory().toString());
  return null;
}

开发者ID:skhalifa，项目名称:QDrill，代码行数:42，代码来源:HiveUtilities.java

示例11: getRelDataTypeFromHivePrimitiveType

import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo; //导入依赖的package包/类
private RelDataType getRelDataTypeFromHivePrimitiveType(RelDataTypeFactory typeFactory, PrimitiveTypeInfo pTypeInfo) {
  switch(pTypeInfo.getPrimitiveCategory()) {
    case BOOLEAN:
      return typeFactory.createSqlType(SqlTypeName.BOOLEAN);

    case BYTE:
    case SHORT:
      return typeFactory.createSqlType(SqlTypeName.INTEGER);

    case INT:
      return typeFactory.createSqlType(SqlTypeName.INTEGER);

    case LONG:
      return typeFactory.createSqlType(SqlTypeName.BIGINT);

    case FLOAT:
      return typeFactory.createSqlType(SqlTypeName.FLOAT);

    case DOUBLE:
      return typeFactory.createSqlType(SqlTypeName.DOUBLE);

    case DATE:
      return typeFactory.createSqlType(SqlTypeName.DATE);

    case TIMESTAMP:
      return typeFactory.createSqlType(SqlTypeName.TIMESTAMP);

    case BINARY:
      return typeFactory.createSqlType(SqlTypeName.VARBINARY);

    case DECIMAL: {
      DecimalTypeInfo decimalTypeInfo = (DecimalTypeInfo)pTypeInfo;
      return typeFactory.createSqlType(SqlTypeName.DECIMAL, decimalTypeInfo.precision(), decimalTypeInfo.scale());
    }

    case STRING:
    case VARCHAR: {
      int maxLen = TypeInfoUtils.getCharacterLengthForType(pTypeInfo);
      return typeFactory.createTypeWithCharsetAndCollation(
        typeFactory.createSqlType(SqlTypeName.VARCHAR, maxLen), /*input type*/
        Charset.forName("ISO-8859-1"), /*unicode char set*/
        SqlCollation.IMPLICIT /* TODO: need to decide if implicit is the correct one */
      );
    }

    case UNKNOWN:
    case VOID:
    default:
      throwUnsupportedHiveDataTypeError(pTypeInfo.getPrimitiveCategory().toString());
  }

  return null;
}

开发者ID:skhalifa，项目名称:QDrill，代码行数:54，代码来源:DrillHiveTable.java

示例12: getArrowFieldFromHivePrimitiveType

import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo; //导入依赖的package包/类
public static Field getArrowFieldFromHivePrimitiveType(String name, TypeInfo typeInfo) {
  switch (typeInfo.getCategory()) {
  case PRIMITIVE:
    PrimitiveTypeInfo pTypeInfo = (PrimitiveTypeInfo) typeInfo;
    switch (pTypeInfo.getPrimitiveCategory()) {
    case BOOLEAN:

      return new Field(name, true, new Bool(), null);
    case BYTE:
      return new Field(name, true, new Int(32, true), null);
    case SHORT:
      return new Field(name, true, new Int(32, true), null);

    case INT:
      return new Field(name, true, new Int(32, true), null);

    case LONG:
      return new Field(name, true, new Int(64, true), null);

    case FLOAT:
      return new Field(name, true, new FloatingPoint(FloatingPointPrecision.SINGLE), null);

    case DOUBLE:
      return new Field(name, true, new FloatingPoint(FloatingPointPrecision.DOUBLE), null);

    case DATE:
      return new Field(name, true, new Date(DateUnit.MILLISECOND), null);

    case TIMESTAMP:
      return new Field(name, true, new Timestamp(TimeUnit.MILLISECOND, null), null);

    case BINARY:
      return new Field(name, true, new Binary(), null);
    case DECIMAL: {
      DecimalTypeInfo decimalTypeInfo = (DecimalTypeInfo) pTypeInfo;
      return new Field(name, true, new Decimal(decimalTypeInfo.getPrecision(), decimalTypeInfo.getScale()), null);
    }

    case STRING:
    case VARCHAR:
    case CHAR: {
      return new Field(name, true, new Utf8(), null);
    }
    case UNKNOWN:
    case VOID:
    default:
      // fall through.
    }
  default:
  }

  return null;
}

开发者ID:dremio，项目名称:dremio-oss，代码行数:54，代码来源:HiveSchemaConverter.java

示例13: getPartitionValue

import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo; //导入依赖的package包/类
private static PartitionValue getPartitionValue(FieldSchema partitionCol, String value) {
  final TypeInfo typeInfo = TypeInfoUtils.getTypeInfoFromTypeString(partitionCol.getType());
  PartitionValue out = new PartitionValue();
  out.setColumn(partitionCol.getName());

  if("__HIVE_DEFAULT_PARTITION__".equals(value)){
    return out;
  }

  switch (typeInfo.getCategory()) {
    case PRIMITIVE:
      final PrimitiveTypeInfo primitiveTypeInfo = (PrimitiveTypeInfo) typeInfo;
      switch (((PrimitiveTypeInfo) typeInfo).getPrimitiveCategory()) {
        case BINARY:
          return out.setBinaryValue(ByteString.copyFrom(value.getBytes()));
        case BOOLEAN:
          return out.setBitValue(Boolean.parseBoolean(value));
        case DOUBLE:
          return out.setDoubleValue(Double.parseDouble(value));
        case FLOAT:
          return out.setFloatValue(Float.parseFloat(value));
        case BYTE:
        case SHORT:
        case INT:
          return out.setIntValue(Integer.parseInt(value));
        case LONG:
          return out.setLongValue(Long.parseLong(value));
        case STRING:
        case VARCHAR:
          return out.setStringValue(value);
        case CHAR:
          return out.setStringValue(value.trim());
        case TIMESTAMP:
          return out.setLongValue(DateTimes.toMillisFromJdbcTimestamp(value));
        case DATE:
          return out.setLongValue(DateTimes.toMillisFromJdbcDate(value));
        case DECIMAL:
          DecimalTypeInfo decimalTypeInfo = (DecimalTypeInfo) typeInfo;
          if(decimalTypeInfo.getPrecision() > 38){
            throw UserException.unsupportedError()
              .message("Dremio only supports decimals up to 38 digits in precision. This Hive table has a partition value with scale of %d digits.", decimalTypeInfo.getPrecision())
              .build(logger);
          }
          HiveDecimal decimal = HiveDecimalUtils.enforcePrecisionScale(HiveDecimal.create(value), decimalTypeInfo.precision(), decimalTypeInfo.scale());
          final BigDecimal original = decimal.bigDecimalValue();
          // we can't just use unscaledValue() since BigDecimal doesn't store trailing zeroes and we need to ensure decoding includes the correct scale.
          final BigInteger unscaled = original.movePointRight(decimalTypeInfo.scale()).unscaledValue();
          return out.setBinaryValue(ByteString.copyFrom(DecimalTools.signExtend16(unscaled.toByteArray())));
        default:
          HiveUtilities.throwUnsupportedHiveDataTypeError(((PrimitiveTypeInfo) typeInfo).getPrimitiveCategory().toString());
      }
    default:
      HiveUtilities.throwUnsupportedHiveDataTypeError(typeInfo.getCategory().toString());
  }

  return null; // unreachable
}

开发者ID:dremio，项目名称:dremio-oss，代码行数:58，代码来源:DatasetBuilder.java

示例14: convertPartitionType

import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo; //导入依赖的package包/类
/** Partition value is received in string format. Convert it into appropriate object based on the type. */
public static Object convertPartitionType(TypeInfo typeInfo, String value, final String defaultPartitionValue) {
  if (typeInfo.getCategory() != Category.PRIMITIVE) {
    // In Hive only primitive types are allowed as partition column types.
    throw new DrillRuntimeException("Non-Primitive types are not allowed as partition column type in Hive, " +
        "but received one: " + typeInfo.getCategory());
  }

  if (defaultPartitionValue.equals(value)) {
    return null;
  }

  final PrimitiveCategory pCat = ((PrimitiveTypeInfo) typeInfo).getPrimitiveCategory();

  try {
    switch (pCat) {
      case BINARY:
        return value.getBytes();
      case BOOLEAN:
        return Boolean.parseBoolean(value);
      case DECIMAL: {
        DecimalTypeInfo decimalTypeInfo = (DecimalTypeInfo) typeInfo;
        return HiveDecimalUtils.enforcePrecisionScale(HiveDecimal.create(value),
            decimalTypeInfo.precision(), decimalTypeInfo.scale());
      }
      case DOUBLE:
        return Double.parseDouble(value);
      case FLOAT:
        return Float.parseFloat(value);
      case BYTE:
      case SHORT:
      case INT:
        return Integer.parseInt(value);
      case LONG:
        return Long.parseLong(value);
      case STRING:
      case VARCHAR:
        return value.getBytes();
      case CHAR:
        return value.trim().getBytes();
      case TIMESTAMP:
        return Timestamp.valueOf(value);
      case DATE:
        return Date.valueOf(value);
    }
  } catch(final Exception e) {
    // In Hive, partition values that can't be converted from string are considered to be NULL.
    logger.trace("Failed to interpret '{}' value from partition value string '{}'", pCat, value);
    return null;
  }

  throwUnsupportedHiveDataTypeError(pCat.toString());
  return null;
}

开发者ID:axbaretto，项目名称:drill，代码行数:55，代码来源:HiveUtilities.java

示例15: getMinorTypeFromHivePrimitiveTypeInfo

import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo; //导入依赖的package包/类
public static TypeProtos.MinorType getMinorTypeFromHivePrimitiveTypeInfo(PrimitiveTypeInfo primitiveTypeInfo,
                                                                         OptionManager options) {
  switch(primitiveTypeInfo.getPrimitiveCategory()) {
    case BINARY:
      return TypeProtos.MinorType.VARBINARY;
    case BOOLEAN:
      return TypeProtos.MinorType.BIT;
    case DECIMAL: {

      if (!options.getOption(PlannerSettings.ENABLE_DECIMAL_DATA_TYPE_KEY).bool_val) {
        throw UserException.unsupportedError()
            .message(ExecErrorConstants.DECIMAL_DISABLE_ERR_MSG)
            .build(logger);
      }
      DecimalTypeInfo decimalTypeInfo = (DecimalTypeInfo) primitiveTypeInfo;
      return DecimalUtility.getDecimalDataType(decimalTypeInfo.precision());
    }
    case DOUBLE:
      return TypeProtos.MinorType.FLOAT8;
    case FLOAT:
      return TypeProtos.MinorType.FLOAT4;
    // TODO (DRILL-2470)
    // Byte and short (tinyint and smallint in SQL types) are currently read as integers
    // as these smaller integer types are not fully supported in Drill today.
    case SHORT:
    case BYTE:
    case INT:
      return TypeProtos.MinorType.INT;
    case LONG:
      return TypeProtos.MinorType.BIGINT;
    case STRING:
    case VARCHAR:
    case CHAR:
      return TypeProtos.MinorType.VARCHAR;
    case TIMESTAMP:
      return TypeProtos.MinorType.TIMESTAMP;
    case DATE:
      return TypeProtos.MinorType.DATE;
  }
  throwUnsupportedHiveDataTypeError(primitiveTypeInfo.getPrimitiveCategory().toString());
  return null;
}

开发者ID:axbaretto，项目名称:drill，代码行数:43，代码来源:HiveUtilities.java

示例16: deserialize

import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo; //导入依赖的package包/类
@Override
	public Object deserialize(byte[] rowBytes) throws CobolSerdeException {
		byte[] temp = transcodeField(super.getBytes(rowBytes));
		String s1 = new String(temp);

		if (this.compType > 0) {
			if (this.compType == 3) {
				s1 = unpackData(super.getBytes(rowBytes), this.decimalLocation);
			}else if(this.compType == 4){
				s1 = getBinary(super.getBytes(rowBytes), this.decimalLocation);
			}
		} else if (this.decimalLocation > 0) {
			s1 = s1.substring(0, this.length * this.divideFactor
					- this.decimalLocation)
					+ "."
					+ s1.substring(this.length * this.divideFactor
							- this.decimalLocation);
		}
//		System.out.println(name + "\t - " + s1 + "\t:" + offset + "\[email protected]"
//				+ length);
		try {
			switch (((PrimitiveTypeInfo) this.typeInfo).getPrimitiveCategory()) {
			case LONG:
				return Long.parseLong(s1.trim());
			case SHORT:
				return Short.parseShort(s1.trim());
			case INT:
				return Integer.parseInt(s1.trim());
			case BYTE:
				return Byte.parseByte(s1.trim());
			case FLOAT:
				return Float.parseFloat(s1.trim());
			case DOUBLE:
				return Double.parseDouble(s1.trim());
			case DECIMAL:
				BigDecimal bd = new BigDecimal(s1);
				HiveDecimal dec = HiveDecimal.create(bd);
				JavaHiveDecimalObjectInspector oi = (JavaHiveDecimalObjectInspector) PrimitiveObjectInspectorFactory
						.getPrimitiveJavaObjectInspector((DecimalTypeInfo) this.typeInfo);
				return oi.set(null, dec);
			}
		} catch (Exception e) {
			return null; // if cannot be converted make it null
		}
		return null;

	}

开发者ID:rbheemana，项目名称:Cobol-to-Hive，代码行数:48，代码来源:CobolNumberField.java

注：本文中的org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo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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Java DecimalTypeInfo类代码示例

示例1: getPrimitiveType

示例2: getQualifiedTypeName

示例3: getMajorTypeFromHiveTypeInfo

示例4: create

示例5: getMajorTypeFromHiveTypeInfo

示例6: create

示例7: getMajorTypeFromHiveTypeInfo

示例8: getFieldObjectInspector

示例9: convertPartitionType

示例10: getMinorTypeFromHivePrimitiveTypeInfo

示例11: getRelDataTypeFromHivePrimitiveType

示例12: getArrowFieldFromHivePrimitiveType

示例13: getPartitionValue

示例14: convertPartitionType

示例15: getMinorTypeFromHivePrimitiveTypeInfo

示例16: deserialize

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