TextConverterFactory Struct Reference

Public Member Functions
std::unique_ptr < TargetValueConverter >	operator() (ConverterCreateParameter param)

Detailed Description

Definition at line 138 of file TargetValueConvertersFactories.cpp.

Member Function Documentation

std::unique_ptr<TargetValueConverter> TextConverterFactory::operator() ( ConverterCreateParameter  param )

inline

Definition at line 139 of file TargetValueConvertersFactories.cpp.

References ColumnDescriptor::columnType, DictionaryConverterFactory< TARGET_TYPE >::create(), SQLTypeInfo::get_compression(), SQLTypeInfo::get_size(), TargetMetaInfo::get_type_info(), SQLTypeInfo::getStringDictKey(), kENCODING_DICT, kENCODING_NONE, ConverterCreateParameter::literals_dictionary, ConverterCreateParameter::num_rows, ConverterCreateParameter::source, and ConverterCreateParameter::target.

                                                                                 {
    if (param.target->columnType.get_compression() == kENCODING_NONE) {
      bool dictEncodedSource =
          param.source.get_type_info().get_compression() == kENCODING_DICT;
      shared::StringDictKey source_dict_key;
      if (dictEncodedSource) {
        source_dict_key = param.source.get_type_info().getStringDictKey();
      }
      return std::make_unique<StringValueConverter>(param.target,
                                                    param.num_rows,
                                                    dictEncodedSource,
                                                    source_dict_key,
                                                    param.literals_dictionary);
    } else if (param.target->columnType.get_compression() == kENCODING_DICT) {
      auto size = param.target->columnType.get_size();
      if (4 == size) {
        DictionaryConverterFactory<int32_t> factory;
        return factory.create(param);
      } else if (2 == size) {
        DictionaryConverterFactory<uint16_t> factory;
        return factory.create(param);
      } else if (1 == size) {
        DictionaryConverterFactory<uint8_t> factory;
        return factory.create(param);
      }
    }

    throw std::runtime_error("Unsupported text column type");
  }

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The documentation for this struct was generated from the following file:

• /home/jenkins-slave/workspace/core-os-doxygen/Fragmenter/TargetValueConvertersFactories.cpp