xiaokang commented on code in PR #10322: URL: https://github.com/apache/doris/pull/10322#discussion_r975507274
########## be/src/vec/data_types/data_type_jsonb.cpp: ########## @@ -0,0 +1,181 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +#include "data_type_jsonb.h" + +#include "gen_cpp/data.pb.h" +#include "vec/columns/column_const.h" +#include "vec/columns/column_jsonb.h" +#include "vec/common/assert_cast.h" +#include "vec/core/field.h" +#include "vec/io/io_helper.h" + +#ifdef __SSE2__ +#include <emmintrin.h> +#endif + +namespace doris::vectorized { + +template <typename Reader> +static inline void read(IColumn& column, Reader&& reader) { + ColumnJsonb& column_json = assert_cast<ColumnJsonb&>(column); + ColumnJsonb::Chars& data = column_json.get_chars(); + ColumnJsonb::Offsets& offsets = column_json.get_offsets(); + size_t old_chars_size = data.size(); + size_t old_offsets_size = offsets.size(); + try { + reader(data); + data.push_back(0); + offsets.push_back(data.size()); + } catch (...) { + offsets.resize_assume_reserved(old_offsets_size); + data.resize_assume_reserved(old_chars_size); + throw; + } +} + +std::string DataTypeJsonb::to_string(const IColumn& column, size_t row_num) const { + JsonbToJson toStr; + const StringRef& s = + reinterpret_cast<const ColumnJsonb&>(*column.convert_to_full_column_if_const().get()) + .get_data_at(row_num); + return toStr.jsonb_to_string(s.data, s.size); +} + +void DataTypeJsonb::to_string(const class doris::vectorized::IColumn& column, size_t row_num, + class doris::vectorized::BufferWritable& ostr) const { + JsonbToJson toStr; + const StringRef& s = + reinterpret_cast<const ColumnJsonb&>(*column.convert_to_full_column_if_const().get()) + .get_data_at(row_num); + std::string str = toStr.jsonb_to_string(s.data, s.size); + ostr.write(str.c_str(), str.size()); +} + +MutableColumnPtr DataTypeJsonb::create_column() const { + return ColumnJsonb::create(); +} + +bool DataTypeJsonb::equals(const IDataType& rhs) const { + return typeid(rhs) == typeid(*this); +} + +int64_t DataTypeJsonb::get_uncompressed_serialized_bytes(const IColumn& column, + int data_version) const { + auto ptr = column.convert_to_full_column_if_const(); + const auto& data_column = assert_cast<const ColumnJsonb&>(*ptr.get()); + + if (data_version == -1) { + return sizeof(IColumn::Offset) * (column.size() + 1) + sizeof(uint64_t) + + data_column.get_chars().size() + column.size(); + } + + return sizeof(IColumn::Offset) * (column.size() + 1) + sizeof(uint64_t) + + data_column.get_chars().size(); +} + +char* DataTypeJsonb::serialize(const IColumn& column, char* buf, int data_version) const { + auto ptr = column.convert_to_full_column_if_const(); + const auto& data_column = assert_cast<const ColumnJsonb&>(*ptr.get()); + + if (data_version == -1) { + // row num + *reinterpret_cast<IColumn::Offset*>(buf) = column.size(); + buf += sizeof(IColumn::Offset); + // offsets + for (int i = 0; i < column.size(); i++) { + *reinterpret_cast<IColumn::Offset*>(buf) = data_column.get_offsets()[i] + i + 1; + buf += sizeof(IColumn::Offset); + } + // total length + *reinterpret_cast<uint64_t*>(buf) = data_column.get_chars().size() + column.size(); + buf += sizeof(uint64_t); + // values + for (int i = 0; i < column.size(); i++) { + auto data = data_column.get_data_at(i); + memcpy(buf, data.data, data.size); + buf += data.size; + *buf = '\0'; + buf++; + } + return buf; + } + + // row num + *reinterpret_cast<IColumn::Offset*>(buf) = column.size(); + buf += sizeof(IColumn::Offset); + // offsets + memcpy(buf, data_column.get_offsets().data(), column.size() * sizeof(IColumn::Offset)); + buf += column.size() * sizeof(IColumn::Offset); + // total length + uint64_t value_len = data_column.get_chars().size(); + *reinterpret_cast<uint64_t*>(buf) = value_len; + buf += sizeof(uint64_t); + // values + memcpy(buf, data_column.get_chars().data(), value_len); + buf += value_len; + + return buf; +} + +const char* DataTypeJsonb::deserialize(const char* buf, IColumn* column, int data_version) const { + ColumnJsonb* column_string = assert_cast<ColumnJsonb*>(column); + ColumnJsonb::Chars& data = column_string->get_chars(); + ColumnJsonb::Offsets& offsets = column_string->get_offsets(); + + if (data_version == -1) { + // row num + IColumn::Offset row_num = *reinterpret_cast<const IColumn::Offset*>(buf); + buf += sizeof(IColumn::Offset); + // offsets + offsets.resize(row_num); + for (int i = 0; i < row_num; i++) { + offsets[i] = *reinterpret_cast<const IColumn::Offset*>(buf) - i - 1; + buf += sizeof(IColumn::Offset); + } + // total length + uint64_t value_len = *reinterpret_cast<const uint64_t*>(buf); + buf += sizeof(uint64_t); + // values + data.resize(value_len - row_num); + for (int i = 0; i < row_num; i++) { + memcpy(data.data() + offsets[i - 1], buf, offsets[i] - offsets[i - 1]); + buf += offsets[i] - offsets[i - 1] + 1; Review Comment: follow ColumnString to drop \0 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
