mirror of https://gitee.com/bigwinds/arangodb
126 lines
4.2 KiB
C++
126 lines
4.2 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2017 ArangoDB GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Andrey Abramov
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/// @author Vasiliy Nabatchikov
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////////////////////////////////////////////////////////////////////////////////
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#include "Basics/Common.h" // required for RocksDBColumnFamily.h
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#include "IResearch/IResearchFeature.h"
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#include "Logger/LogMacros.h"
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#include "Logger/Logger.h"
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#include "RocksDBEngine/RocksDBColumnFamily.h"
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#include "RocksDBEngine/RocksDBLogValue.h"
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#include "VocBase/LogicalCollection.h"
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#include "VocBase/LogicalView.h"
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#include "IResearchRocksDBLink.h"
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#include "IResearchLinkHelper.h"
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NS_BEGIN(arangodb)
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NS_BEGIN(iresearch)
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IResearchRocksDBLink::IResearchRocksDBLink(
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TRI_idx_iid_t iid, arangodb::LogicalCollection* collection)
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: RocksDBIndex(iid, collection, IResearchLinkHelper::emptyIndexSlice(),
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RocksDBColumnFamily::invalid(), false),
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IResearchLink(iid, collection) {
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TRI_ASSERT(!ServerState::instance()->isCoordinator());
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_unique = false; // cannot be unique since multiple fields are indexed
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_sparse = true; // always sparse
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}
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IResearchRocksDBLink::~IResearchRocksDBLink() {
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// NOOP
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}
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/*static*/ IResearchRocksDBLink::ptr IResearchRocksDBLink::make(
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arangodb::LogicalCollection* collection,
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arangodb::velocypack::Slice const& definition,
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TRI_idx_iid_t id,
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bool isClusterConstructor
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) noexcept {
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try {
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PTR_NAMED(IResearchRocksDBLink, ptr, id, collection);
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#ifdef ARANGODB_ENABLE_MAINTAINER_MODE
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auto* link =
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dynamic_cast<arangodb::iresearch::IResearchRocksDBLink*>(ptr.get());
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#else
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auto* link =
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static_cast<arangodb::iresearch::IResearchRocksDBLink*>(ptr.get());
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#endif
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return link && link->init(definition) ? ptr : nullptr;
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} catch (std::exception const& e) {
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LOG_TOPIC(WARN, Logger::DEVEL)
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<< "caught exception while creating IResearch view RocksDB link '" << id << "'" << e.what();
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} catch (...) {
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LOG_TOPIC(WARN, Logger::DEVEL)
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<< "caught exception while creating IResearch view RocksDB link '" << id << "'";
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}
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return nullptr;
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}
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void IResearchRocksDBLink::toVelocyPack(arangodb::velocypack::Builder& builder,
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bool withFigures,
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bool forPersistence) const {
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TRI_ASSERT(!builder.isOpenObject());
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builder.openObject();
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bool success = json(builder, forPersistence);
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TRI_ASSERT(success);
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if (withFigures) {
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VPackBuilder figuresBuilder;
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figuresBuilder.openObject();
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toVelocyPackFigures(figuresBuilder);
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figuresBuilder.close();
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builder.add("figures", figuresBuilder.slice());
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}
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builder.close();
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}
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void IResearchRocksDBLink::writeRocksWalMarker() {
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RocksDBLogValue logValue = RocksDBLogValue::IResearchLinkDrop(
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Index::_collection->vocbase().id(),
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Index::_collection->id(),
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view() ? view()->id() : 0, // 0 == invalid TRI_voc_cid_t according to transaction::Methods
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Index::_iid);
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rocksdb::WriteBatch batch;
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rocksdb::WriteOptions wo; // TODO: check which options would make sense
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auto db = rocksutils::globalRocksDB();
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batch.PutLogData(logValue.slice());
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auto status = rocksutils::convertStatus(db->Write(wo, &batch));
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if (!status.ok()) {
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THROW_ARANGO_EXCEPTION(status.errorNumber());
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}
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}
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NS_END // iresearch
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NS_END // arangodb
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// -----------------------------------------------------------------------------
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// --SECTION-- END-OF-FILE
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// -----------------------------------------------------------------------------
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