ImportHelpers Namespace Reference

Functions
bool	is_reserved_name (const std::string &name)
std::string	sanitize_name (const std::string &name, const bool underscore=false)
template<typename DatumStringType >
bool	is_null_datum (const DatumStringType &datum, const std::string &null_indicator)

Function Documentation

template<typename DatumStringType >

bool ImportHelpers::is_null_datum ( const DatumStringType &  datum, const std::string &  null_indicator  )

inline

Definition at line 49 of file import_helpers.h.

Referenced by import_export::import_thread_delimited(), and foreign_storage::TextFileBufferParser::isNullDatum().

                                                           {
  return datum == null_indicator || datum == "NULL" || datum == "\\N";
}

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bool ImportHelpers::is_reserved_name ( const std::string &  name )

inline

Definition at line 28 of file import_helpers.h.

References reserved_keywords.

Referenced by DBHandler::create_table(), DBHandler::detect_column_types(), DBHandler::populateThriftColumnType(), and sanitize_name().

                                                    {
  return reserved_keywords.find(boost::to_upper_copy<std::string>(name)) !=
         reserved_keywords.end();
}

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std::string ImportHelpers::sanitize_name ( const std::string &  name, const bool  underscore = false  )

inline

Definition at line 33 of file import_helpers.h.

References is_reserved_name().

Referenced by DBHandler::create_table(), DBHandler::detect_column_types(), import_export::RasterImporter::getBandName(), QueryRunner::ImportDriver::importGeoTable(), and DBHandler::importGeoTableSingle().

                                                                                     {
  boost::regex invalid_chars{R"([^0-9a-z_])",
                             boost::regex::extended | boost::regex::icase};
  std::string sanitized_name =
      boost::regex_replace(name, invalid_chars, underscore ? "_" : "");
  boost::regex starts_with_digit{R"(^[0-9].*)"};
  if (boost::regex_match(sanitized_name, starts_with_digit)) {
    sanitized_name = "_" + sanitized_name;
  }
  if (is_reserved_name(sanitized_name)) {
    sanitized_name += "_";
  }
  return sanitized_name;
}

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