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added stubs for indexes

This commit is contained in:
jsteemann 2017-03-23 15:24:00 +01:00
parent 2405ebee25
commit f17ff29518
29 changed files with 987 additions and 117 deletions
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27
arangod/CMakeLists.txt
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@ -276,16 +276,6 @@ SET(ARANGOD_SOURCES
RestServer/ViewTypesFeature.cpp
RestServer/VocbaseContext.cpp
RestServer/WorkMonitorFeature.cpp
RocksDBEngine/RocksDBCollection.cpp
RocksDBEngine/RocksDBComparator.cpp
RocksDBEngine/RocksDBEngine.cpp
RocksDBEngine/RocksDBEntry.cpp
RocksDBEngine/RocksDBIndexFactory.cpp
RocksDBEngine/RocksDBTransactionCollection.cpp
RocksDBEngine/RocksDBTransactionContextData.cpp
RocksDBEngine/RocksDBTransactionState.cpp
RocksDBEngine/RocksDBTypes.cpp
RocksDBEngine/RocksDBView.cpp
Scheduler/Acceptor.cpp
Scheduler/AcceptorTcp.cpp
Scheduler/Job.cpp
@ -436,6 +426,23 @@ set(ARANGOD_SOURCES
MMFiles/MMFilesWalSlots.cpp
MMFiles/mmfiles-replication-dump.cpp
)
# add sources for rocksdb engine
set(ARANGOD_SOURCES
${ARANGOD_SOURCES}
RocksDBEngine/RocksDBCollection.cpp
RocksDBEngine/RocksDBComparator.cpp
RocksDBEngine/RocksDBEdgeIndex.cpp
RocksDBEngine/RocksDBEngine.cpp
RocksDBEngine/RocksDBEntry.cpp
RocksDBEngine/RocksDBIndexFactory.cpp
RocksDBEngine/RocksDBPrimaryIndex.cpp
RocksDBEngine/RocksDBTransactionCollection.cpp
RocksDBEngine/RocksDBTransactionContextData.cpp
RocksDBEngine/RocksDBTransactionState.cpp
RocksDBEngine/RocksDBTypes.cpp
RocksDBEngine/RocksDBView.cpp
)
if (NOT MSVC)
set(ARANGOD_SOURCES ${ARANGOD_SOURCES} Scheduler/AcceptorUnixDomain.cpp Scheduler/SocketUnixDomain.cpp)

42
arangod/Indexes/IndexFactory.h
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@ -28,32 +28,34 @@
namespace arangodb {
class Index;
class LogicalCollection;
class Index;
class LogicalCollection;
namespace velocypack {
class Builder;
class Slice;
}
namespace velocypack {
class Builder;
class Slice;
}
class IndexFactory {
public:
IndexFactory() {}
class IndexFactory {
public:
IndexFactory() = default;
IndexFactory(IndexFactory const&) = delete;
IndexFactory& operator=(IndexFactory const&) = delete;
virtual ~IndexFactory() {}
virtual ~IndexFactory() = default;
virtual int enhanceIndexDefinition(
arangodb::velocypack::Slice const definition,
arangodb::velocypack::Builder& enhanced, bool isCreation) const = 0;
virtual int enhanceIndexDefinition(
arangodb::velocypack::Slice const definition,
arangodb::velocypack::Builder& enhanced, bool isCreation) const = 0;
virtual std::shared_ptr<arangodb::Index> prepareIndexFromSlice(
arangodb::velocypack::Slice info, bool generateKey,
arangodb::LogicalCollection* col, bool isClusterConstructor) const = 0;
virtual std::shared_ptr<arangodb::Index> prepareIndexFromSlice(
arangodb::velocypack::Slice info, bool generateKey,
arangodb::LogicalCollection* col, bool isClusterConstructor) const = 0;
virtual void fillSystemIndexes(
arangodb::LogicalCollection* col,
std::vector<std::shared_ptr<arangodb::Index>>& systemIndexes) const = 0;
};
virtual void fillSystemIndexes(
arangodb::LogicalCollection* col,
std::vector<std::shared_ptr<arangodb::Index>>& systemIndexes) const = 0;
};
} // namespace arangodb

4
arangod/MMFiles/MMFilesCleanupThread.h
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@ -21,8 +21,8 @@
/// @author Dr. Frank Celler
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_STORAGE_ENGINE_MM_FILES_CLEANUP_THREAD_H
#define ARANGOD_STORAGE_ENGINE_MM_FILES_CLEANUP_THREAD_H 1
#ifndef ARANGOD_MMFILES_MMFILES_CLEANUP_THREAD_H
#define ARANGOD_MMFILES_MMFILES_CLEANUP_THREAD_H 1
#include "Basics/Common.h"
#include "Basics/ConditionVariable.h"

9
arangod/MMFiles/MMFilesCollection.cpp
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@ -1880,7 +1880,7 @@ void MMFilesCollection::prepareIndexes(VPackSlice indexesSlice) {
}
if (ServerState::instance()->isRunningInCluster()) {
addIndexCoordinator(idx, false);
addIndexCoordinator(idx);
} else {
addIndex(idx);
}
@ -1966,7 +1966,7 @@ std::shared_ptr<Index> MMFilesCollection::createIndex(transaction::Methods* trx,
if (ServerState::instance()->isCoordinator()) {
// In the coordinator case we do not fill the index
// We only inform the others.
addIndexCoordinator(idx, true);
addIndexCoordinator(idx);
created = true;
return idx;
}
@ -2075,7 +2075,7 @@ void MMFilesCollection::addIndex(std::shared_ptr<arangodb::Index> idx) {
}
void MMFilesCollection::addIndexCoordinator(
std::shared_ptr<arangodb::Index> idx, bool distribute) {
std::shared_ptr<arangodb::Index> idx) {
auto const id = idx->id();
for (auto const& it : _indexes) {
if (it->id() == id) {
@ -2085,9 +2085,6 @@ void MMFilesCollection::addIndexCoordinator(
}
_indexes.emplace_back(idx);
if (distribute) {
THROW_ARANGO_EXCEPTION(TRI_ERROR_NOT_IMPLEMENTED);
}
}
int MMFilesCollection::restoreIndex(transaction::Methods* trx,

7
arangod/MMFiles/MMFilesCollection.h
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@ -21,8 +21,8 @@
/// @author Dr. Frank Celler
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_STORAGE_ENGINE_MM_FILES_COLLECTION_H
#define ARANGOD_STORAGE_ENGINE_MM_FILES_COLLECTION_H 1
#ifndef ARANGOD_MMFILES_MMFILES_COLLECTION_H
#define ARANGOD_MMFILES_MMFILES_COLLECTION_H 1
#include "Basics/Common.h"
#include "Basics/ReadWriteLock.h"
@ -461,8 +461,7 @@ class MMFilesCollection final : public PhysicalCollection {
void addIndex(std::shared_ptr<arangodb::Index> idx);
void addIndexCoordinator(std::shared_ptr<arangodb::Index> idx,
bool distribute);
void addIndexCoordinator(std::shared_ptr<arangodb::Index> idx);
bool removeIndex(TRI_idx_iid_t iid);

5
arangod/MMFiles/MMFilesCompactorThread.h
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@ -21,8 +21,8 @@
/// @author Dr. Frank Celler
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_STORAGE_ENGINE_MM_FILES_COMPACTOR_THREAD_H
#define ARANGOD_STORAGE_ENGINE_MM_FILES_COMPACTOR_THREAD_H 1
#ifndef ARANGOD_MMFILES_MMFILES_COMPACTOR_THREAD_H
#define ARANGOD_MMFILES_MMFILES_COMPACTOR_THREAD_H 1
#include "Basics/Common.h"
#include "Basics/ConditionVariable.h"
@ -39,7 +39,6 @@ class LogicalCollection;
namespace transaction {
class Methods;
}
;
class MMFilesCompactorThread final : public Thread {
private:

4
arangod/MMFiles/MMFilesDatafile.h
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@ -21,8 +21,8 @@
/// @author Dr. Frank Celler
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_STORAGE_ENGINE_MMFILES_DATAFILE_H
#define ARANGOD_STORAGE_ENGINE_MMFILES_DATAFILE_H 1
#ifndef ARANGOD_MMFILES_MMFILES_DATAFILE_H
#define ARANGOD_MMFILES_MMFILES_DATAFILE_H 1
#include "Basics/Common.h"
#include "VocBase/vocbase.h"

4
arangod/MMFiles/MMFilesDatafileHelper.h
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@ -21,8 +21,8 @@
/// @author Jan Steemann
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_STORAGE_ENGINE_MMFILES_DATAFILE_HELPER_H
#define ARANGOD_STORAGE_ENGINE_MMFILES_DATAFILE_HELPER_H 1
#ifndef ARANGOD_MMFILES_MMFILES_DATAFILE_HELPER_H
#define ARANGOD_MMFILES_MMFILES_DATAFILE_HELPER_H 1
#include "Basics/Common.h"
#include "Basics/encoding.h"

1
arangod/MMFiles/MMFilesDocumentOperation.h
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@ -32,7 +32,6 @@ class LogicalCollection;
namespace transaction {
class Methods;
}
;
struct MMFilesDocumentOperation {
enum class StatusType : uint8_t {

4
arangod/MMFiles/MMFilesDocumentPosition.h
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@ -21,8 +21,8 @@
/// @author Jan Steemann
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_STORAGE_ENGINE_MMFILES_DOCUMENT_POSITION_H
#define ARANGOD_STORAGE_ENGINE_MMFILES_DOCUMENT_POSITION_H 1
#ifndef ARANGOD_MMFILES_MMFILES_DOCUMENT_POSITION_H
#define ARANGOD_MMFILES_MMFILES_DOCUMENT_POSITION_H 1
#include "Basics/Common.h"
#include "MMFiles/MMFilesDatafileHelper.h"

4
arangod/MMFiles/MMFilesEdgeIndex.h
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@ -21,8 +21,8 @@
/// @author Dr. Frank Celler
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_MMFILES_EDGE_INDEX_H
#define ARANGOD_MMFILES_EDGE_INDEX_H 1
#ifndef ARANGOD_MMFILES_MMFILES_EDGE_INDEX_H
#define ARANGOD_MMFILES_MMFILES_EDGE_INDEX_H 1
#include "Basics/AssocMulti.h"
#include "Basics/Common.h"

4
arangod/MMFiles/MMFilesEngine.h
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@ -22,8 +22,8 @@
/// @author Jan Christoph Uhde
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_STORAGE_ENGINE_MMFILES_ENGINE_H
#define ARANGOD_STORAGE_ENGINE_MMFILES_ENGINE_H 1
#ifndef ARANGOD_MMFILES_MMFILES_ENGINE_H
#define ARANGOD_MMFILES_MMFILES_ENGINE_H 1
#include "Basics/Common.h"
#include "Basics/Mutex.h"

30
arangod/MMFiles/MMFilesIndexFactory.h
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@ -28,25 +28,25 @@
namespace arangodb {
class MMFilesIndexFactory : public IndexFactory {
public:
MMFilesIndexFactory() : IndexFactory() {
}
class MMFilesIndexFactory final : public IndexFactory {
public:
MMFilesIndexFactory() : IndexFactory() {}
~MMFilesIndexFactory() override {}
~MMFilesIndexFactory() {}
int enhanceIndexDefinition(
arangodb::velocypack::Slice const definition,
arangodb::velocypack::Builder& enhanced, bool isCreation) const override;
int enhanceIndexDefinition(
arangodb::velocypack::Slice const definition,
arangodb::velocypack::Builder& enhanced, bool isCreation) const override;
std::shared_ptr<arangodb::Index> prepareIndexFromSlice(
arangodb::velocypack::Slice info, bool generateKey,
LogicalCollection* col, bool isClusterConstructor) const override;
std::shared_ptr<arangodb::Index> prepareIndexFromSlice(
arangodb::velocypack::Slice info, bool generateKey,
LogicalCollection* col, bool isClusterConstructor) const override;
void fillSystemIndexes(arangodb::LogicalCollection* col,
std::vector<std::shared_ptr<arangodb::Index>>&
systemIndexes) const override;
};
void fillSystemIndexes(arangodb::LogicalCollection* col,
std::vector<std::shared_ptr<arangodb::Index>>&
systemIndexes) const override;
};
}
#endif

1
arangod/MMFiles/MMFilesPrimaryIndex.h
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@ -42,7 +42,6 @@ struct MMFilesSimpleIndexElement;
namespace transaction {
class Methods;
}
;
typedef arangodb::basics::AssocUnique<uint8_t, MMFilesSimpleIndexElement> MMFilesPrimaryIndexImpl;

4
arangod/MMFiles/MMFilesRevisionsCache.h
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@ -21,8 +21,8 @@
/// @author Jan Steemann
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_STORAGE_ENGINE_MMFILES_REVISIONS_CACHE_H
#define ARANGOD_STORAGE_ENGINE_MMFILES_REVISIONS_CACHE_H 1
#ifndef ARANGOD_MMFILES_MMFILES_REVISIONS_CACHE_H
#define ARANGOD_MMFILES_MMFILES_REVISIONS_CACHE_H 1
#include "Basics/Common.h"
#include "Basics/AssocUnique.h"

4
arangod/MMFiles/MMFilesView.h
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@ -21,8 +21,8 @@
/// @author Jan Steemann
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_STORAGE_ENGINE_MM_FILES_VIEW_H
#define ARANGOD_STORAGE_ENGINE_MM_FILES_VIEW_H 1
#ifndef ARANGOD_MMFILES_MMFILES_VIEW_H
#define ARANGOD_MMFILES_MMFILES_VIEW_H 1
#include "Basics/Common.h"
#include "Basics/ReadWriteLock.h"

4
arangod/MMFiles/MMFilesWalMarker.h
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@ -21,8 +21,8 @@
/// @author Jan Steemann
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_STORAGE_ENGINE_MMFILES_WAL_MARKER_H
#define ARANGOD_STORAGE_ENGINE_MMFILES_WAL_MARKER_H 1
#ifndef ARANGOD_MMFILES_MMFILES_WAL_MARKER_H
#define ARANGOD_MMFILES_MMFILES_WAL_MARKER_H 1
#include "Basics/Common.h"
#include "Basics/encoding.h"

123
arangod/RocksDBEngine/RocksDBCollection.cpp
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@ -1,8 +1,38 @@
#include "RocksDBCollection.h"
#include <Basics/Result.h>
#include <stdexcept>
////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// Licensed 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.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Jan-Christoph Uhde
////////////////////////////////////////////////////////////////////////////////
#include "Basics/Result.h"
#include "Basics/VelocyPackHelper.h"
#include "Indexes/Index.h"
#include "Indexes/IndexIterator.h"
#include "RocksDBCollection.h"
#include "StorageEngine/EngineSelectorFeature.h"
#include "StorageEngine/StorageEngine.h"
#include "VocBase/LogicalCollection.h"
#include "VocBase/ticks.h"
#include <velocypack/Iterator.h>
#include <velocypack/velocypack-aliases.h>
using namespace arangodb;
@ -104,7 +134,44 @@ bool RocksDBCollection::isFullyCollected() const {
void RocksDBCollection::prepareIndexes(
arangodb::velocypack::Slice indexesSlice) {
THROW_ARANGO_NOT_IMPLEMENTED();
createInitialIndexes();
if (indexesSlice.isArray()) {
StorageEngine* engine = EngineSelectorFeature::ENGINE;
IndexFactory const* idxFactory = engine->indexFactory();
TRI_ASSERT(idxFactory != nullptr);
for (auto const& v : VPackArrayIterator(indexesSlice)) {
if (arangodb::basics::VelocyPackHelper::getBooleanValue(v, "error",
false)) {
// We have an error here.
// Do not add index.
// TODO Handle Properly
continue;
}
auto idx =
idxFactory->prepareIndexFromSlice(v, false, _logicalCollection, true);
if (idx->type() == Index::TRI_IDX_TYPE_PRIMARY_INDEX ||
idx->type() == Index::TRI_IDX_TYPE_EDGE_INDEX) {
continue;
}
if (ServerState::instance()->isRunningInCluster()) {
addIndexCoordinator(idx);
} else {
addIndex(idx);
}
}
}
#ifdef ARANGODB_ENABLE_MAINTAINER_MODE
if (_indexes[0]->type() != Index::IndexType::TRI_IDX_TYPE_PRIMARY_INDEX) {
LOG_TOPIC(ERR, arangodb::Logger::FIXME) << "got invalid indexes for collection '" << _logicalCollection->name() << "'";
for (auto const& it : _indexes) {
LOG_TOPIC(ERR, arangodb::Logger::FIXME) << "- " << it.get();
}
}
#endif
}
/// @brief Find index by definition
@ -230,3 +297,51 @@ void RocksDBCollection::deferDropCollection(
void RocksDBCollection::figuresSpecific(std::shared_ptr<arangodb::velocypack::Builder>&) {
THROW_ARANGO_NOT_IMPLEMENTED();
}
/// @brief creates the initial indexes for the collection
void RocksDBCollection::createInitialIndexes() {
if (!_indexes.empty()) {
return;
}
std::vector<std::shared_ptr<arangodb::Index>> systemIndexes;
StorageEngine* engine = EngineSelectorFeature::ENGINE;
IndexFactory const* idxFactory = engine->indexFactory();
TRI_ASSERT(idxFactory != nullptr);
idxFactory->fillSystemIndexes(_logicalCollection, systemIndexes);
for (auto const& it : systemIndexes) {
addIndex(it);
}
}
void RocksDBCollection::addIndex(std::shared_ptr<arangodb::Index> idx) {
// primary index must be added at position 0
TRI_ASSERT(idx->type() != arangodb::Index::TRI_IDX_TYPE_PRIMARY_INDEX ||
_indexes.empty());
auto const id = idx->id();
for (auto const& it : _indexes) {
if (it->id() == id) {
// already have this particular index. do not add it again
return;
}
}
TRI_UpdateTickServer(static_cast<TRI_voc_tick_t>(id));
_indexes.emplace_back(idx);
}
void RocksDBCollection::addIndexCoordinator(
std::shared_ptr<arangodb::Index> idx) {
auto const id = idx->id();
for (auto const& it : _indexes) {
if (it->id() == id) {
// already have this particular index. do not add it again
return;
}
}
_indexes.emplace_back(idx);
}

11
arangod/RocksDBEngine/RocksDBCollection.h
View File

@ -18,11 +18,11 @@
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
/// @author Jan-Christoph Uhde
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_STORAGE_ENGINE_ROCKSDB_FILES_COLLECTION_H
#define ARANGOD_STORAGE_ENGINE_ROCKSDB_FILES_COLLECTION_H 1
#ifndef ARANGOD_ROCKSDB_ENGINE_ROCKSDB_COLLECTION_H
#define ARANGOD_ROCKSDB_ENGINE_ROCKSDB_COLLECTION_H 1
#include "Basics/Common.h"
#include "Basics/ReadWriteLock.h"
@ -175,7 +175,12 @@ class RocksDBCollection final : public PhysicalCollection {
private:
/// @brief return engine-specific figures
void figuresSpecific(std::shared_ptr<arangodb::velocypack::Builder>&) override;
/// @brief creates the initial indexes for the collection
void createInitialIndexes();
void addIndex(std::shared_ptr<arangodb::Index> idx);
void addIndexCoordinator(std::shared_ptr<arangodb::Index> idx);
};
}
#endif

205
arangod/RocksDBEngine/RocksDBEdgeIndex.cpp Normal file
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@ -0,0 +1,205 @@
////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// Licensed 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.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Jan Steemann
////////////////////////////////////////////////////////////////////////////////
#include "RocksDBEdgeIndex.h"
#include "Aql/AstNode.h"
#include "Aql/SortCondition.h"
#include "Basics/Exceptions.h"
#include "Basics/StaticStrings.h"
#include "Basics/StringRef.h"
#include "Basics/fasthash.h"
#include "Basics/hashes.h"
#include "Indexes/IndexLookupContext.h"
#include "Indexes/SimpleAttributeEqualityMatcher.h"
#include "StorageEngine/TransactionState.h"
#include "Transaction/Helpers.h"
#include "Transaction/Methods.h"
#include "Utils/CollectionNameResolver.h"
#include "Transaction/Context.h"
#include "VocBase/LogicalCollection.h"
#include <velocypack/Iterator.h>
#include <velocypack/velocypack-aliases.h>
using namespace arangodb;
/// @brief hard-coded vector of the index attributes
/// note that the attribute names must be hard-coded here to avoid an init-order
/// fiasco with StaticStrings::FromString etc.
static std::vector<std::vector<arangodb::basics::AttributeName>> const
IndexAttributes{{arangodb::basics::AttributeName("_from", false)},
{arangodb::basics::AttributeName("_to", false)}};
RocksDBEdgeIndexIterator::RocksDBEdgeIndexIterator(LogicalCollection* collection, transaction::Methods* trx,
ManagedDocumentResult* mmdr,
arangodb::RocksDBEdgeIndex const* index,
std::unique_ptr<VPackBuilder>& keys)
: IndexIterator(collection, trx, mmdr, index),
_keys(keys.get()),
_iterator(_keys->slice()) {
keys.release(); // now we have ownership for _keys
}
RocksDBEdgeIndexIterator::~RocksDBEdgeIndexIterator() {
if (_keys != nullptr) {
// return the VPackBuilder to the transaction context
_trx->transactionContextPtr()->returnBuilder(_keys.release());
}
}
bool RocksDBEdgeIndexIterator::next(TokenCallback const& cb, size_t limit) {
THROW_ARANGO_NOT_IMPLEMENTED();
}
void RocksDBEdgeIndexIterator::reset() {
THROW_ARANGO_NOT_IMPLEMENTED();
}
RocksDBEdgeIndex::RocksDBEdgeIndex(TRI_idx_iid_t iid, arangodb::LogicalCollection* collection)
: Index(iid, collection,
std::vector<std::vector<arangodb::basics::AttributeName>>(
{{arangodb::basics::AttributeName(StaticStrings::FromString,
false)},
{arangodb::basics::AttributeName(StaticStrings::ToString,
false)}}),
false, false) {
TRI_ASSERT(iid != 0);
}
RocksDBEdgeIndex::~RocksDBEdgeIndex() {}
/// @brief return a selectivity estimate for the index
double RocksDBEdgeIndex::selectivityEstimate(arangodb::StringRef const* attribute) const {
THROW_ARANGO_NOT_IMPLEMENTED();
return 0.0;
}
/// @brief return the memory usage for the index
size_t RocksDBEdgeIndex::memory() const {
THROW_ARANGO_NOT_IMPLEMENTED();
return 0;
}
/// @brief return a VelocyPack representation of the index
void RocksDBEdgeIndex::toVelocyPack(VPackBuilder& builder, bool withFigures) const {
Index::toVelocyPack(builder, withFigures);
// hard-coded
builder.add("unique", VPackValue(false));
builder.add("sparse", VPackValue(false));
}
/// @brief return a VelocyPack representation of the index figures
void RocksDBEdgeIndex::toVelocyPackFigures(VPackBuilder& builder) const {
Index::toVelocyPackFigures(builder);
// TODO
THROW_ARANGO_NOT_IMPLEMENTED();
}
int RocksDBEdgeIndex::insert(transaction::Methods* trx, TRI_voc_rid_t revisionId,
VPackSlice const& doc, bool isRollback) {
THROW_ARANGO_NOT_IMPLEMENTED();
return TRI_ERROR_NO_ERROR;
}
int RocksDBEdgeIndex::remove(transaction::Methods* trx, TRI_voc_rid_t revisionId,
VPackSlice const& doc, bool isRollback) {
THROW_ARANGO_NOT_IMPLEMENTED();
return TRI_ERROR_NO_ERROR;
}
/// @brief unload the index data from memory
int RocksDBEdgeIndex::unload() {
// nothing to do here
return TRI_ERROR_NO_ERROR;
}
/// @brief provides a size hint for the edge index
int RocksDBEdgeIndex::sizeHint(transaction::Methods* trx, size_t size) {
// nothing to do here
return TRI_ERROR_NO_ERROR;
}
/// @brief checks whether the index supports the condition
bool RocksDBEdgeIndex::supportsFilterCondition(
arangodb::aql::AstNode const* node,
arangodb::aql::Variable const* reference, size_t itemsInIndex,
size_t& estimatedItems, double& estimatedCost) const {
SimpleAttributeEqualityMatcher matcher(IndexAttributes);
return matcher.matchOne(this, node, reference, itemsInIndex, estimatedItems,
estimatedCost);
}
/// @brief creates an IndexIterator for the given Condition
IndexIterator* RocksDBEdgeIndex::iteratorForCondition(
transaction::Methods* trx,
ManagedDocumentResult* mmdr,
arangodb::aql::AstNode const* node,
arangodb::aql::Variable const* reference, bool reverse) const {
THROW_ARANGO_NOT_IMPLEMENTED();
return nullptr;
}
/// @brief specializes the condition for use with the index
arangodb::aql::AstNode* RocksDBEdgeIndex::specializeCondition(
arangodb::aql::AstNode* node,
arangodb::aql::Variable const* reference) const {
SimpleAttributeEqualityMatcher matcher(IndexAttributes);
return matcher.specializeOne(this, node, reference);
}
/// @brief Transform the list of search slices to search values.
/// This will multiply all IN entries and simply return all other
/// entries.
void RocksDBEdgeIndex::expandInSearchValues(VPackSlice const slice,
VPackBuilder& builder) const {
TRI_ASSERT(slice.isArray());
builder.openArray();
for (auto const& side : VPackArrayIterator(slice)) {
if (side.isNull()) {
builder.add(side);
} else {
TRI_ASSERT(side.isArray());
builder.openArray();
for (auto const& item : VPackArrayIterator(side)) {
TRI_ASSERT(item.isObject());
if (item.hasKey(StaticStrings::IndexEq)) {
TRI_ASSERT(!item.hasKey(StaticStrings::IndexIn));
builder.add(item);
} else {
TRI_ASSERT(item.hasKey(StaticStrings::IndexIn));
VPackSlice list = item.get(StaticStrings::IndexIn);
TRI_ASSERT(list.isArray());
for (auto const& it : VPackArrayIterator(list)) {
builder.openObject();
builder.add(StaticStrings::IndexEq, it);
builder.close();
}
}
}
builder.close();
}
}
builder.close();
}

122
arangod/RocksDBEngine/RocksDBEdgeIndex.h Normal file
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@ -0,0 +1,122 @@
////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// Licensed 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.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Jan Steemann
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_ROCKSDB_ENGINE_ROCKSDB_EDGE_INDEX_H
#define ARANGOD_ROCKSDB_ENGINE_ROCKSDB_EDGE_INDEX_H 1
#include "Basics/Common.h"
#include "Indexes/Index.h"
#include "Indexes/IndexIterator.h"
#include "VocBase/voc-types.h"
#include "VocBase/vocbase.h"
#include <velocypack/Iterator.h>
#include <velocypack/Slice.h>
namespace arangodb {
class RocksDBEdgeIndex;
class RocksDBEdgeIndexIterator final : public IndexIterator {
public:
RocksDBEdgeIndexIterator(LogicalCollection* collection, transaction::Methods* trx,
ManagedDocumentResult* mmdr,
arangodb::RocksDBEdgeIndex const* index,
std::unique_ptr<VPackBuilder>& keys);
~RocksDBEdgeIndexIterator();
char const* typeName() const override { return "edge-index-iterator"; }
bool next(TokenCallback const& cb, size_t limit) override;
void reset() override;
private:
std::unique_ptr<arangodb::velocypack::Builder> _keys;
arangodb::velocypack::ArrayIterator _iterator;
};
class RocksDBEdgeIndex final : public Index {
public:
RocksDBEdgeIndex() = delete;
RocksDBEdgeIndex(TRI_idx_iid_t, arangodb::LogicalCollection*);
~RocksDBEdgeIndex();
public:
IndexType type() const override { return Index::TRI_IDX_TYPE_EDGE_INDEX; }
char const* typeName() const override { return "edge"; }
bool allowExpansion() const override { return false; }
bool canBeDropped() const override { return false; }
bool isSorted() const override { return false; }
bool hasSelectivityEstimate() const override { return true; }
double selectivityEstimate(
arangodb::StringRef const* = nullptr) const override;
size_t memory() const override;
void toVelocyPack(VPackBuilder&, bool) const override;
void toVelocyPackFigures(VPackBuilder&) const override;
int insert(transaction::Methods*, TRI_voc_rid_t,
arangodb::velocypack::Slice const&, bool isRollback) override;
int remove(transaction::Methods*, TRI_voc_rid_t,
arangodb::velocypack::Slice const&, bool isRollback) override;
int unload() override;
int sizeHint(transaction::Methods*, size_t) override;
bool hasBatchInsert() const override { return false; }
bool supportsFilterCondition(arangodb::aql::AstNode const*,
arangodb::aql::Variable const*, size_t, size_t&,
double&) const override;
IndexIterator* iteratorForCondition(transaction::Methods*,
ManagedDocumentResult*,
arangodb::aql::AstNode const*,
arangodb::aql::Variable const*,
bool) const override;
arangodb::aql::AstNode* specializeCondition(
arangodb::aql::AstNode*, arangodb::aql::Variable const*) const override;
/// @brief Transform the list of search slices to search values.
/// This will multiply all IN entries and simply return all other
/// entries.
void expandInSearchValues(arangodb::velocypack::Slice const,
arangodb::velocypack::Builder&) const override;
};
}
#endif

4
arangod/RocksDBEngine/RocksDBEngine.cpp
View File

@ -35,6 +35,7 @@
#include "RestServer/ViewTypesFeature.h"
#include "RocksDBEngine/RocksDBCollection.h"
#include "RocksDBEngine/RocksDBEntry.h"
#include "RocksDBEngine/RocksDBIndexFactory.h"
#include "RocksDBEngine/RocksDBTypes.h"
#include "RocksDBEngine/RocksDBView.h"
#include "VocBase/ticks.h"
@ -63,8 +64,7 @@ std::string const RocksDBEngine::FeatureName("RocksDBEngine");
// create the storage engine
RocksDBEngine::RocksDBEngine(application_features::ApplicationServer* server)
: StorageEngine(server, EngineName, FeatureName, nullptr /*new
MMFilesIndexFactory()*/),
: StorageEngine(server, EngineName, FeatureName, new RocksDBIndexFactory()),
_db(nullptr) {
//inherits order from StorageEngine
}

4
arangod/RocksDBEngine/RocksDBEngine.h
View File

@ -22,8 +22,8 @@
/// @author Jan Christoph Uhde
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_STORAGE_ENGINE_ROCKSDB_ENGINE_H
#define ARANGOD_STORAGE_ENGINE_ROCKSDB_ENGINE_H 1
#ifndef ARANGOD_ROCKSDB_ENGINE_ROCKSDB_ENGINE_H
#define ARANGOD_ROCKSDB_ENGINE_ROCKSDB_ENGINE_H 1
#include "Basics/Common.h"
#include "Basics/Mutex.h"

96
arangod/RocksDBEngine/RocksDBIndexFactory.cpp
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@ -22,13 +22,11 @@
////////////////////////////////////////////////////////////////////////////////
#include "RocksDBIndexFactory.h"
#include "Basics/StaticStrings.h"
#include "Basics/StringRef.h"
#include "Basics/StringUtils.h"
#include "Basics/VelocyPackHelper.h"
#include "Cluster/ServerState.h"
#include "Indexes/Index.h"
#include "RocksDBEngine/RocksDBEdgeIndex.h"
#include "RocksDBEngine/RocksDBPrimaryIndex.h"
#include "VocBase/voc-types.h"
#include <velocypack/Builder.h>
@ -36,26 +34,104 @@
#include <velocypack/Slice.h>
#include <velocypack/velocypack-aliases.h>
#include <stdexcept>
using namespace arangodb;
int RocksDBIndexFactory::enhanceIndexDefinition(VPackSlice const definition,
VPackBuilder& enhanced,
bool create) const {
throw std::runtime_error("not implemented");
THROW_ARANGO_NOT_IMPLEMENTED();
return 0;
}
std::shared_ptr<Index> RocksDBIndexFactory::prepareIndexFromSlice(
arangodb::velocypack::Slice info, bool generateKey, LogicalCollection* col,
bool isClusterConstructor) const {
throw std::runtime_error("not implemented");
return nullptr;
if (!info.isObject()) {
THROW_ARANGO_EXCEPTION(TRI_ERROR_BAD_PARAMETER);
}
// extract type
VPackSlice value = info.get("type");
if (!value.isString()) {
// Compatibility with old v8-vocindex.
if (generateKey) {
THROW_ARANGO_EXCEPTION(TRI_ERROR_OUT_OF_MEMORY);
} else {
THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_INTERNAL,
"invalid index type definition");
}
}
std::string tmp = value.copyString();
arangodb::Index::IndexType const type = arangodb::Index::type(tmp.c_str());
std::shared_ptr<Index> newIdx;
TRI_idx_iid_t iid = 0;
value = info.get("id");
if (value.isString()) {
iid = basics::StringUtils::uint64(value.copyString());
} else if (value.isNumber()) {
iid =
basics::VelocyPackHelper::getNumericValue<TRI_idx_iid_t>(info, "id", 0);
} else if (!generateKey) {
// In the restore case it is forbidden to NOT have id
THROW_ARANGO_EXCEPTION_MESSAGE(
TRI_ERROR_INTERNAL, "cannot restore index without index identifier");
}
if (iid == 0 && !isClusterConstructor) {
// Restore is not allowed to generate in id
TRI_ASSERT(generateKey);
iid = arangodb::Index::generateId();
}
switch (type) {
case arangodb::Index::TRI_IDX_TYPE_UNKNOWN: {
THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_INTERNAL, "invalid index type");
}
case arangodb::Index::TRI_IDX_TYPE_PRIMARY_INDEX: {
if (!isClusterConstructor) {
// this indexes cannot be created directly
THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_INTERNAL,
"cannot create primary index");
}
newIdx.reset(new arangodb::RocksDBPrimaryIndex(col));
break;
}
case arangodb::Index::TRI_IDX_TYPE_EDGE_INDEX: {
if (!isClusterConstructor) {
// this indexes cannot be created directly
THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_INTERNAL,
"cannot create edge index");
}
newIdx.reset(new arangodb::RocksDBEdgeIndex(iid, col));
break;
}
default: {
THROW_ARANGO_NOT_IMPLEMENTED();
break;
}
}
if (newIdx == nullptr) {
THROW_ARANGO_EXCEPTION(TRI_ERROR_OUT_OF_MEMORY);
}
return newIdx;
}
void RocksDBIndexFactory::fillSystemIndexes(
arangodb::LogicalCollection* col,
std::vector<std::shared_ptr<arangodb::Index>>& systemIndexes) const {
throw std::runtime_error("not implemented");
// create primary index
systemIndexes.emplace_back(
std::make_shared<arangodb::RocksDBPrimaryIndex>(col));
// create edges index
if (col->type() == TRI_COL_TYPE_EDGE) {
systemIndexes.emplace_back(
std::make_shared<arangodb::RocksDBEdgeIndex>(1, col));
}
}

30
arangod/RocksDBEngine/RocksDBIndexFactory.h
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@ -28,25 +28,25 @@
namespace arangodb {
class RocksDBIndexFactory : public IndexFactory {
public:
RocksDBIndexFactory() : IndexFactory() {
}
class RocksDBIndexFactory final : public IndexFactory {
public:
RocksDBIndexFactory() : IndexFactory() {}
~RocksDBIndexFactory() override {}
~RocksDBIndexFactory() {}
int enhanceIndexDefinition(
arangodb::velocypack::Slice const definition,
arangodb::velocypack::Builder& enhanced, bool isCreation) const override;
int enhanceIndexDefinition(
arangodb::velocypack::Slice const definition,
arangodb::velocypack::Builder& enhanced, bool isCreation) const override;
std::shared_ptr<arangodb::Index> prepareIndexFromSlice(
arangodb::velocypack::Slice info, bool generateKey,
LogicalCollection* col, bool isClusterConstructor) const override;
std::shared_ptr<arangodb::Index> prepareIndexFromSlice(
arangodb::velocypack::Slice info, bool generateKey,
LogicalCollection* col, bool isClusterConstructor) const override;
void fillSystemIndexes(arangodb::LogicalCollection* col,
std::vector<std::shared_ptr<arangodb::Index>>&
systemIndexes) const override;
};
void fillSystemIndexes(arangodb::LogicalCollection* col,
std::vector<std::shared_ptr<arangodb::Index>>&
systemIndexes) const override;
};
}
#endif

189
arangod/RocksDBEngine/RocksDBPrimaryIndex.cpp Normal file
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@ -0,0 +1,189 @@
////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// Licensed 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.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Jan Steemann
////////////////////////////////////////////////////////////////////////////////
#include "RocksDBPrimaryIndex.h"
#include "Aql/AstNode.h"
#include "Basics/Exceptions.h"
#include "Basics/StaticStrings.h"
#include "Indexes/SimpleAttributeEqualityMatcher.h"
#include "Transaction/Helpers.h"
#include "Transaction/Methods.h"
#include "Transaction/Context.h"
#include "VocBase/LogicalCollection.h"
#include <velocypack/Builder.h>
#include <velocypack/Collection.h>
#include <velocypack/Slice.h>
#include <velocypack/velocypack-aliases.h>
using namespace arangodb;
/// @brief hard-coded vector of the index attributes
/// note that the attribute names must be hard-coded here to avoid an init-order
/// fiasco with StaticStrings::FromString etc.
static std::vector<std::vector<arangodb::basics::AttributeName>> const IndexAttributes
{{arangodb::basics::AttributeName("_id", false)},
{arangodb::basics::AttributeName("_key", false)}};
RocksDBPrimaryIndexIterator::RocksDBPrimaryIndexIterator(LogicalCollection* collection,
transaction::Methods* trx,
ManagedDocumentResult* mmdr,
RocksDBPrimaryIndex const* index,
std::unique_ptr<VPackBuilder>& keys)
: IndexIterator(collection, trx, mmdr, index),
_index(index),
_keys(keys.get()),
_iterator(_keys->slice()) {
keys.release(); // now we have ownership for _keys
TRI_ASSERT(_keys->slice().isArray());
}
RocksDBPrimaryIndexIterator::~RocksDBPrimaryIndexIterator() {
if (_keys != nullptr) {
// return the VPackBuilder to the transaction context
_trx->transactionContextPtr()->returnBuilder(_keys.release());
}
}
bool RocksDBPrimaryIndexIterator::next(TokenCallback const& cb, size_t limit) {
THROW_ARANGO_NOT_IMPLEMENTED();
return false;
}
void RocksDBPrimaryIndexIterator::reset() { _iterator.reset(); }
RocksDBAllIndexIterator::RocksDBAllIndexIterator(LogicalCollection* collection,
transaction::Methods* trx,
ManagedDocumentResult* mmdr,
RocksDBPrimaryIndex const* index,
bool reverse)
: IndexIterator(collection, trx, mmdr, index), _reverse(reverse), _total(0) {}
bool RocksDBAllIndexIterator::next(TokenCallback const& cb, size_t limit) {
THROW_ARANGO_NOT_IMPLEMENTED();
return true;
}
void RocksDBAllIndexIterator::reset() {
THROW_ARANGO_NOT_IMPLEMENTED();
}
RocksDBAnyIndexIterator::RocksDBAnyIndexIterator(LogicalCollection* collection, transaction::Methods* trx,
ManagedDocumentResult* mmdr,
RocksDBPrimaryIndex const* index)
: IndexIterator(collection, trx, mmdr, index) {}
bool RocksDBAnyIndexIterator::next(TokenCallback const& cb, size_t limit) {
THROW_ARANGO_NOT_IMPLEMENTED();
return true;
}
void RocksDBAnyIndexIterator::reset() {
THROW_ARANGO_NOT_IMPLEMENTED();
}
RocksDBPrimaryIndex::RocksDBPrimaryIndex(arangodb::LogicalCollection* collection)
: Index(0, collection,
std::vector<std::vector<arangodb::basics::AttributeName>>(
{{arangodb::basics::AttributeName(StaticStrings::KeyString, false)}}),
true, false) {
}
RocksDBPrimaryIndex::~RocksDBPrimaryIndex() {}
/// @brief return the number of documents from the index
size_t RocksDBPrimaryIndex::size() const {
// TODO
return 0;
}
/// @brief return the memory usage of the index
size_t RocksDBPrimaryIndex::memory() const {
return 0; // TODO
}
/// @brief return a VelocyPack representation of the index
void RocksDBPrimaryIndex::toVelocyPack(VPackBuilder& builder, bool withFigures) const {
Index::toVelocyPack(builder, withFigures);
// hard-coded
builder.add("unique", VPackValue(true));
builder.add("sparse", VPackValue(false));
}
/// @brief return a VelocyPack representation of the index figures
void RocksDBPrimaryIndex::toVelocyPackFigures(VPackBuilder& builder) const {
Index::toVelocyPackFigures(builder);
// TODO: implement
}
int RocksDBPrimaryIndex::insert(transaction::Methods*, TRI_voc_rid_t, VPackSlice const&, bool) {
#ifdef ARANGODB_ENABLE_MAINTAINER_MODE
LOG_TOPIC(WARN, arangodb::Logger::FIXME) << "insert() called for primary index";
#endif
THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_INTERNAL, "insert() called for primary index");
}
int RocksDBPrimaryIndex::remove(transaction::Methods*, TRI_voc_rid_t, VPackSlice const&, bool) {
#ifdef ARANGODB_ENABLE_MAINTAINER_MODE
LOG_TOPIC(WARN, arangodb::Logger::FIXME) << "remove() called for primary index";
#endif
THROW_ARANGO_EXCEPTION_MESSAGE(TRI_ERROR_INTERNAL, "remove() called for primary index");
}
/// @brief unload the index data from memory
int RocksDBPrimaryIndex::unload() {
// nothing to do
return TRI_ERROR_NO_ERROR;
}
/// @brief checks whether the index supports the condition
bool RocksDBPrimaryIndex::supportsFilterCondition(
arangodb::aql::AstNode const* node,
arangodb::aql::Variable const* reference, size_t itemsInIndex,
size_t& estimatedItems, double& estimatedCost) const {
SimpleAttributeEqualityMatcher matcher(IndexAttributes);
return matcher.matchOne(this, node, reference, itemsInIndex, estimatedItems,
estimatedCost);
}
/// @brief creates an IndexIterator for the given Condition
IndexIterator* RocksDBPrimaryIndex::iteratorForCondition(
transaction::Methods* trx,
ManagedDocumentResult* mmdr,
arangodb::aql::AstNode const* node,
arangodb::aql::Variable const* reference, bool reverse) const {
THROW_ARANGO_NOT_IMPLEMENTED();
return nullptr;
}
/// @brief specializes the condition for use with the index
arangodb::aql::AstNode* RocksDBPrimaryIndex::specializeCondition(
arangodb::aql::AstNode* node,
arangodb::aql::Variable const* reference) const {
SimpleAttributeEqualityMatcher matcher(IndexAttributes);
return matcher.specializeOne(this, node, reference);
}

157
arangod/RocksDBEngine/RocksDBPrimaryIndex.h Normal file
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@ -0,0 +1,157 @@
////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// Licensed 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.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Jan Steemann
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_ROCKSDB_ENGINE_ROCKSDB_PRIMARY_INDEX_H
#define ARANGOD_ROCKSDB_ENGINE_ROCKSDB_PRIMARY_INDEX_H 1
#include "Basics/Common.h"
#include "Indexes/Index.h"
#include "Indexes/IndexIterator.h"
#include "VocBase/vocbase.h"
#include "VocBase/voc-types.h"
#include <velocypack/Iterator.h>
#include <velocypack/Slice.h>
#include <velocypack/velocypack-aliases.h>
namespace arangodb {
class RocksDBPrimaryIndex;
namespace transaction {
class Methods;
}
class RocksDBPrimaryIndexIterator final : public IndexIterator {
public:
RocksDBPrimaryIndexIterator(LogicalCollection* collection,
transaction::Methods* trx,
ManagedDocumentResult* mmdr,
RocksDBPrimaryIndex const* index,
std::unique_ptr<VPackBuilder>& keys);
~RocksDBPrimaryIndexIterator();
char const* typeName() const override { return "primary-index-iterator"; }
bool next(TokenCallback const& cb, size_t limit) override;
void reset() override;
private:
RocksDBPrimaryIndex const* _index;
std::unique_ptr<VPackBuilder> _keys;
arangodb::velocypack::ArrayIterator _iterator;
};
class RocksDBAllIndexIterator final : public IndexIterator {
public:
RocksDBAllIndexIterator(LogicalCollection* collection,
transaction::Methods* trx,
ManagedDocumentResult* mmdr,
RocksDBPrimaryIndex const* index,
bool reverse);
~RocksDBAllIndexIterator() {}
char const* typeName() const override { return "all-index-iterator"; }
bool next(TokenCallback const& cb, size_t limit) override;
void reset() override;
private:
bool const _reverse;
uint64_t _total;
};
class RocksDBAnyIndexIterator final : public IndexIterator {
public:
RocksDBAnyIndexIterator(LogicalCollection* collection, transaction::Methods* trx,
ManagedDocumentResult* mmdr,
RocksDBPrimaryIndex const* index);
~RocksDBAnyIndexIterator() {}
char const* typeName() const override { return "any-index-iterator"; }
bool next(TokenCallback const& cb, size_t limit) override;
void reset() override;
};
class RocksDBPrimaryIndex final : public Index {
friend class RocksDBPrimaryIndexIterator;
public:
RocksDBPrimaryIndex() = delete;
explicit RocksDBPrimaryIndex(arangodb::LogicalCollection*);
~RocksDBPrimaryIndex();
public:
IndexType type() const override {
return Index::TRI_IDX_TYPE_PRIMARY_INDEX;
}
char const* typeName() const override { return "primary"; }
bool allowExpansion() const override { return false; }
bool canBeDropped() const override { return false; }
bool isSorted() const override { return false; }
bool hasSelectivityEstimate() const override { return true; }
double selectivityEstimate(arangodb::StringRef const* = nullptr) const override { return 1.0; }
size_t size() const;
size_t memory() const override;
void toVelocyPack(VPackBuilder&, bool) const override;
void toVelocyPackFigures(VPackBuilder&) const override;
int insert(transaction::Methods*, TRI_voc_rid_t, arangodb::velocypack::Slice const&, bool isRollback) override;
int remove(transaction::Methods*, TRI_voc_rid_t, arangodb::velocypack::Slice const&, bool isRollback) override;
int unload() override;
bool supportsFilterCondition(arangodb::aql::AstNode const*,
arangodb::aql::Variable const*, size_t, size_t&,
double&) const override;
IndexIterator* iteratorForCondition(transaction::Methods*,
ManagedDocumentResult*,
arangodb::aql::AstNode const*,
arangodb::aql::Variable const*,
bool) const override;
arangodb::aql::AstNode* specializeCondition(
arangodb::aql::AstNode*, arangodb::aql::Variable const*) const override;
};
}
#endif

1
arangod/RocksDBEngine/RocksDBTransactionCollection.h
View File

@ -34,7 +34,6 @@ struct RocksDBDocumentOperation;
namespace transaction {
class Methods;
}
;
class TransactionState;
/// @brief collection used in a transaction

4
arangod/RocksDBEngine/RocksDBView.h
View File

@ -21,8 +21,8 @@
/// @author Jan Steemann
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGOD_STORAGE_ENGINE_MM_FILES_VIEW_H
#define ARANGOD_STORAGE_ENGINE_MM_FILES_VIEW_H 1
#ifndef ARANGOD_ROCKSDB_ENGINE_ROCKSDB_VIEW_H
#define ARANGOD_ROCKSDB_ENGINE_ROCKSDB_VIEW_H 1
#include "Basics/Common.h"
#include "Basics/ReadWriteLock.h"