ademakov commented on code in PR #988: URL: https://github.com/apache/ignite-3/pull/988#discussion_r941134084
########## modules/platforms/cpp/schema/BinaryTupleBuilder.cpp: ########## @@ -0,0 +1,178 @@ +/* + * 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 "BinaryTupleBuilder.h" +#include "BinaryTupleParser.h" + +#include <stdexcept> + +namespace ignite { + +BinaryTupleBuilder::BinaryTupleBuilder(IntT elementCount) noexcept + : elementCount(elementCount) { +} + +void BinaryTupleBuilder::start() noexcept { + elementIndex = 0; + nullElements = 0; + valueAreaSize = 0; + entrySize = 0; +} + +void BinaryTupleBuilder::layout() { + assert(elementIndex == elementCount); + + BinaryTupleHeader header; + + size_t nullmapSize = 0; + if (nullElements) { + header.setNullMapFlag(); + nullmapSize = BinaryTupleSchema::getNullMapSize(elementCount); + } + + entrySize = header.setVarLenEntrySize(valueAreaSize); + + std::size_t tableSize = entrySize * elementCount; + + binaryTuple.clear(); + binaryTuple.resize(BinaryTupleHeader::SIZE + nullmapSize + tableSize + valueAreaSize); + + binaryTuple[0] = header.flags; + + nextEntry = binaryTuple.data() + BinaryTupleHeader::SIZE + nullmapSize; + valueBase = nextEntry + tableSize; + nextValue = valueBase; + + elementIndex = 0; +} + +SizeT BinaryTupleBuilder::sizeOf(DATA_TYPE type, BytesView bytes) { + switch (type) { + case DATA_TYPE::INT8: + return sizeOfInt8(BinaryTupleParser::getInt8(bytes)); + case DATA_TYPE::INT16: + return sizeOfInt16(BinaryTupleParser::getInt16(bytes)); + case DATA_TYPE::INT32: + return sizeOfInt32(BinaryTupleParser::getInt32(bytes)); + case DATA_TYPE::INT64: + return sizeOfInt64(BinaryTupleParser::getInt64(bytes)); + case DATA_TYPE::FLOAT: + return sizeOfFloat(BinaryTupleParser::getFloat(bytes)); + case DATA_TYPE::DOUBLE: + return sizeOfDouble(BinaryTupleParser::getDouble(bytes)); + case DATA_TYPE::STRING: + case DATA_TYPE::BINARY: + return bytes.size(); + + case DATA_TYPE::UUID: + case DATA_TYPE::DATE: + case DATA_TYPE::TIME: + case DATA_TYPE::DATETIME: + case DATA_TYPE::TIMESTAMP: + case DATA_TYPE::BITMASK: + case DATA_TYPE::NUMBER: + case DATA_TYPE::DECIMAL: + default: + throw std::logic_error("Unsupported type " + std::to_string(static_cast<int>(type))); + } +} + +void BinaryTupleBuilder::putBytes(BytesView bytes) { + assert(elementIndex < elementCount); + assert(nextValue + bytes.size() <= valueBase + valueAreaSize); + std::memcpy(nextValue, bytes.data(), bytes.size()); + nextValue += bytes.size(); + appendEntry(); +} + +void BinaryTupleBuilder::putInt8(BytesView bytes) { + SizeT size = sizeOfInt8(BinaryTupleParser::getInt8(bytes)); + assert(size <= bytes.size()); + putBytes(BytesView{bytes.data(), size}); +} + +void BinaryTupleBuilder::putInt16(BytesView bytes) { + SizeT size = sizeOfInt16(BinaryTupleParser::getInt16(bytes)); + assert(size <= bytes.size()); + static_assert(BYTE_ORDER == LITTLE_ENDIAN); + putBytes(BytesView{bytes.data(), size}); +} + +void BinaryTupleBuilder::putInt32(BytesView bytes) { + SizeT size = sizeOfInt32(BinaryTupleParser::getInt32(bytes)); + assert(size <= bytes.size()); + static_assert(BYTE_ORDER == LITTLE_ENDIAN); + putBytes(BytesView{bytes.data(), size}); +} + +void BinaryTupleBuilder::putInt64(BytesView bytes) { + SizeT size = sizeOfInt64(BinaryTupleParser::getInt64(bytes)); + assert(size <= bytes.size()); + static_assert(BYTE_ORDER == LITTLE_ENDIAN); + putBytes(BytesView{bytes.data(), size}); +} + +void BinaryTupleBuilder::putFloat(BytesView bytes) { + SizeT size = sizeOfFloat(BinaryTupleParser::getFloat(bytes)); + assert(size <= bytes.size()); + putBytes(BytesView{bytes.data(), size}); +} + +void BinaryTupleBuilder::putDouble(BytesView bytes) { + double value = BinaryTupleParser::getDouble(bytes); + SizeT size = sizeOfDouble(value); + assert(size <= bytes.size()); + if (size != sizeof(float)) { + putBytes(BytesView{bytes.data(), size}); + } else { + float floatValue = value; + putBytes(BytesView{reinterpret_cast<std::byte*>(&floatValue), sizeof(float)}); + } +} + +void BinaryTupleBuilder::append(DATA_TYPE type, const BytesView &bytes) { + switch (type) { + case DATA_TYPE::INT8: + return putInt8(bytes); + case DATA_TYPE::INT16: + return putInt16(bytes); + case DATA_TYPE::INT32: + return putInt32(bytes); + case DATA_TYPE::INT64: + return putInt64(bytes); + case DATA_TYPE::FLOAT: + return putFloat(bytes); + case DATA_TYPE::DOUBLE: + return putDouble(bytes); + case DATA_TYPE::STRING: + case DATA_TYPE::BINARY: + return putBytes(bytes); + + case DATA_TYPE::UUID: + case DATA_TYPE::DATE: + case DATA_TYPE::TIME: + case DATA_TYPE::DATETIME: + case DATA_TYPE::TIMESTAMP: + case DATA_TYPE::BITMASK: + case DATA_TYPE::NUMBER: + case DATA_TYPE::DECIMAL: + default: + throw std::logic_error("Unsupported type " + std::to_string(static_cast<int>(type))); Review Comment: This will be addressed under IGNITE-17401 ticket. -- 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]
