Function convertToMapKeyField

src/DataTypes/MapHelpers.cpp:157–163

}

Field convertToMapKeyField(const DataTypePtr & key_type, const String & key_name)
{
    ReadBufferFromString buffer(key_name);
    auto column = IColumn::mutate(key_type->createColumn());
    key_type->getDefaultSerialization()->deserializeTextQuoted(*column, buffer, {});
    return (*column)[0];
}

String convertToMapKeyString(const DataTypePtr & key_type, const String & key_name)
{