| 1 | #include <DataTypes/DataTypeUUID.h> |
| 2 | #include <DataTypes/DataTypeFactory.h> |
| 3 | #include <Columns/ColumnsNumber.h> |
| 4 | #include <Formats/ProtobufReader.h> |
| 5 | #include <Formats/ProtobufWriter.h> |
| 6 | #include <IO/WriteHelpers.h> |
| 7 | #include <IO/ReadHelpers.h> |
| 8 | #include <Common/assert_cast.h> |
| 9 | |
| 10 | |
| 11 | namespace DB |
| 12 | { |
| 13 | |
| 14 | void DataTypeUUID::serializeText(const IColumn & column, size_t row_num, WriteBuffer & ostr, const FormatSettings &) const |
| 15 | { |
| 16 | writeText(UUID(assert_cast<const ColumnUInt128 &>(column).getData()[row_num]), ostr); |
| 17 | } |
| 18 | |
| 19 | void DataTypeUUID::deserializeTextEscaped(IColumn & column, ReadBuffer & istr, const FormatSettings &) const |
| 20 | { |
| 21 | UUID x; |
| 22 | readText(x, istr); |
| 23 | assert_cast<ColumnUInt128 &>(column).getData().push_back(x); |
| 24 | } |
| 25 | |
| 26 | void DataTypeUUID::serializeTextEscaped(const IColumn & column, size_t row_num, WriteBuffer & ostr, const FormatSettings & settings) const |
| 27 | { |
| 28 | serializeText(column, row_num, ostr, settings); |
| 29 | } |
| 30 | |
| 31 | void DataTypeUUID::serializeTextQuoted(const IColumn & column, size_t row_num, WriteBuffer & ostr, const FormatSettings & settings) const |
| 32 | { |
| 33 | writeChar('\'', ostr); |
| 34 | serializeText(column, row_num, ostr, settings); |
| 35 | writeChar('\'', ostr); |
| 36 | } |
| 37 | |
| 38 | void DataTypeUUID::deserializeTextQuoted(IColumn & column, ReadBuffer & istr, const FormatSettings &) const |
| 39 | { |
| 40 | UUID x; |
| 41 | assertChar('\'', istr); |
| 42 | readText(x, istr); |
| 43 | assertChar('\'', istr); |
| 44 | assert_cast<ColumnUInt128 &>(column).getData().push_back(x); /// It's important to do this at the end - for exception safety. |
| 45 | } |
| 46 | |
| 47 | void DataTypeUUID::serializeTextJSON(const IColumn & column, size_t row_num, WriteBuffer & ostr, const FormatSettings & settings) const |
| 48 | { |
| 49 | writeChar('"', ostr); |
| 50 | serializeText(column, row_num, ostr, settings); |
| 51 | writeChar('"', ostr); |
| 52 | } |
| 53 | |
| 54 | void DataTypeUUID::deserializeTextJSON(IColumn & column, ReadBuffer & istr, const FormatSettings &) const |
| 55 | { |
| 56 | UUID x; |
| 57 | assertChar('"', istr); |
| 58 | readText(x, istr); |
| 59 | assertChar('"', istr); |
| 60 | assert_cast<ColumnUInt128 &>(column).getData().push_back(x); |
| 61 | } |
| 62 | |
| 63 | void DataTypeUUID::serializeTextCSV(const IColumn & column, size_t row_num, WriteBuffer & ostr, const FormatSettings & settings) const |
| 64 | { |
| 65 | writeChar('"', ostr); |
| 66 | serializeText(column, row_num, ostr, settings); |
| 67 | writeChar('"', ostr); |
| 68 | } |
| 69 | |
| 70 | void DataTypeUUID::deserializeTextCSV(IColumn & column, ReadBuffer & istr, const FormatSettings &) const |
| 71 | { |
| 72 | UUID value; |
| 73 | readCSV(value, istr); |
| 74 | assert_cast<ColumnUInt128 &>(column).getData().push_back(value); |
| 75 | } |
| 76 | |
| 77 | void DataTypeUUID::serializeProtobuf(const IColumn & column, size_t row_num, ProtobufWriter & protobuf, size_t & value_index) const |
| 78 | { |
| 79 | if (value_index) |
| 80 | return; |
| 81 | value_index = static_cast<bool>(protobuf.writeUUID(UUID(assert_cast<const ColumnUInt128 &>(column).getData()[row_num]))); |
| 82 | } |
| 83 | |
| 84 | void DataTypeUUID::deserializeProtobuf(IColumn & column, ProtobufReader & protobuf, bool allow_add_row, bool & row_added) const |
| 85 | { |
| 86 | row_added = false; |
| 87 | UUID uuid; |
| 88 | if (!protobuf.readUUID(uuid)) |
| 89 | return; |
| 90 | |
| 91 | auto & container = assert_cast<ColumnUInt128 &>(column).getData(); |
| 92 | if (allow_add_row) |
| 93 | { |
| 94 | container.emplace_back(uuid); |
| 95 | row_added = true; |
| 96 | } |
| 97 | else |
| 98 | container.back() = uuid; |
| 99 | } |
| 100 | |
| 101 | bool DataTypeUUID::equals(const IDataType & rhs) const |
| 102 | { |
| 103 | return typeid(rhs) == typeid(*this); |
| 104 | } |
| 105 | |
| 106 | |
| 107 | void registerDataTypeUUID(DataTypeFactory & factory) |
| 108 | { |
| 109 | const auto & creator = [&] (const String & /*type_name*/) { return std::make_shared<DataTypeUUID>(); }; |
| 110 | |
| 111 | factory.registerSimpleDataType("UUID" , creator); |
| 112 | } |
| 113 | |
| 114 | } |
| 115 | |