Function isMapImplicitDataFileNameOfSpecialMapName

src/DataTypes/MapHelpers.cpp:343–355

}

bool isMapImplicitDataFileNameOfSpecialMapName(const String & file_name, const String map_col)
{
    if (isMapBaseFile(file_name))
    {
        auto extension_loc = file_name.find('.'); /// only extension contain dot, other dots in column name are escaped.
        if (extension_loc == String::npos)
            throw Exception(ErrorCodes::INVALID_IMPLICIT_COLUMN_FILE_NAME, "Invalid implicit column file name {}", file_name);

        return file_name.substr(extension_loc) == DATA_FILE_EXTENSION;
    }

    return isMapImplicitDataFileNameNotBaseOfSpecialMapName(file_name, map_col);
}

}