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Remove redundant information from RWLock.

Browse Source 
And fix broken exception in some race conditions
This commit is contained in:
Ivan Lezhankin 2018-11-28 18:50:52 +03:00
parent 470f96ce19
commit 8b5a05947c
26 changed files with 81 additions and 104 deletions
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29
dbms/src/Common/RWLock.cpp
View File

@ -53,7 +53,7 @@ public:
};
RWLockImpl::LockHandler RWLockImpl::getLock(RWLockImpl::Type type, RWLockImpl::Client client)
RWLockImpl::LockHandler RWLockImpl::getLock(RWLockImpl::Type type)
{
Stopwatch watch(CLOCK_MONOTONIC_COARSE);
CurrentMetrics::Increment waiting_client_increment((type == Read) ? CurrentMetrics::RWLockWaitingReaders
@ -78,15 +78,16 @@ RWLockImpl::LockHandler RWLockImpl::getLock(RWLockImpl::Type type, RWLockImpl::C
{
auto handler_ptr = it_handler->second.lock();
if (!handler_ptr)
throw Exception("Lock handler cannot be nullptr. This is a bug", ErrorCodes::LOGICAL_ERROR);
/// Lock may be released in another thread, but not yet deleted inside |~LogHandlerImpl()|
if (type != Read || handler_ptr->it_group->type != Read)
throw Exception("Attempt to acquire exclusive lock recursively", ErrorCodes::LOGICAL_ERROR);
if (handler_ptr)
{
/// XXX: it means we can't upgrade lock from read to write - with proper waiting!
if (type != Read || handler_ptr->it_group->type != Read)
throw Exception("Attempt to acquire exclusive lock recursively", ErrorCodes::LOGICAL_ERROR);
handler_ptr->it_client->info += "; " + client.info;
return handler_ptr;
return handler_ptr;
}
}
if (type == Type::Write || queue.empty() || queue.back().type == Type::Write)
@ -104,7 +105,7 @@ RWLockImpl::LockHandler RWLockImpl::getLock(RWLockImpl::Type type, RWLockImpl::C
auto & clients = it_group->clients;
try
{
it_client = clients.emplace(clients.end(), std::move(client));
it_client = clients.emplace(clients.end(), type);
}
catch (...)
{
@ -114,10 +115,6 @@ RWLockImpl::LockHandler RWLockImpl::getLock(RWLockImpl::Type type, RWLockImpl::C
throw;
}
it_client->thread_number = Poco::ThreadNumber::get();
it_client->enqueue_time = time(nullptr);
it_client->type = type;
LockHandler res(new LockHandlerImpl(shared_from_this(), it_group, it_client));
/// Insert myself (weak_ptr to the handler) to threads set to implement recursive lock
@ -128,7 +125,6 @@ RWLockImpl::LockHandler RWLockImpl::getLock(RWLockImpl::Type type, RWLockImpl::C
/// If we are not the first client in the group, a notification could be already sent
if (it_group == queue.begin())
{
it_client->start_time = it_client->enqueue_time;
finalize_metrics();
return res;
}
@ -136,7 +132,6 @@ RWLockImpl::LockHandler RWLockImpl::getLock(RWLockImpl::Type type, RWLockImpl::C
/// Wait a notification
it_group->cv.wait(lock, [&] () { return it_group == queue.begin(); });
it_client->start_time = time(nullptr);
finalize_metrics();
return res;
}
@ -169,8 +164,8 @@ RWLockImpl::LockHandlerImpl::~LockHandlerImpl()
RWLockImpl::LockHandlerImpl::LockHandlerImpl(RWLock && parent, RWLockImpl::GroupsContainer::iterator it_group,
RWLockImpl::ClientsContainer::iterator it_client)
: parent{std::move(parent)}, it_group{it_group}, it_client{it_client},
active_client_increment{(it_client->type == RWLockImpl::Read) ? CurrentMetrics::RWLockActiveReaders
: CurrentMetrics::RWLockActiveWriters}
active_client_increment{(*it_client == RWLockImpl::Read) ? CurrentMetrics::RWLockActiveReaders
: CurrentMetrics::RWLockActiveWriters}
{}
}

23
dbms/src/Common/RWLock.h
View File

@ -27,23 +27,6 @@ public:
Write,
};
private:
/// Client is that who wants to acquire the lock.
struct Client
{
explicit Client(const std::string & info = {}) : info{info} {}
bool isStarted() { return start_time != 0; }
/// TODO: delete extra info below if there is no need fot it already.
std::string info;
int thread_number = 0;
std::time_t enqueue_time = 0;
std::time_t start_time = 0;
Type type = Read;
};
public:
static RWLock create() { return RWLock(new RWLockImpl); }
/// Just use LockHandler::reset() to release the lock
@ -53,21 +36,21 @@ public:
/// Waits in the queue and returns appropriate lock
LockHandler getLock(Type type, Client client = Client{});
LockHandler getLock(Type type, const std::string & who) { return getLock(type, Client(who)); }
LockHandler getLock(Type type);
private:
RWLockImpl() = default;
struct Group;
using GroupsContainer = std::list<Group>;
using ClientsContainer = std::list<Client>;
using ClientsContainer = std::list<Type>;
using ThreadToHandler = std::map<std::thread::id, std::weak_ptr<LockHandlerImpl>>;
/// Group of clients that should be executed concurrently
/// i.e. a group could contain several readers, but only one writer
struct Group
{
// FIXME: there is only redundant |type| information inside |clients|.
const Type type;
ClientsContainer clients;

2
dbms/src/Common/tests/gtest_rw_lock_fifo.cpp.cpp → dbms/src/Common/tests/gtest_rw_lock.cpp
View File

@ -38,7 +38,7 @@ TEST(Common, RWLock_1)
auto type = (std::uniform_int_distribution<>(0, 9)(gen) >= round) ? RWLockImpl::Read : RWLockImpl::Write;
auto sleep_for = std::chrono::duration<int, std::micro>(std::uniform_int_distribution<>(1, 100)(gen));
auto lock = fifo_lock->getLock(type, "RW");
auto lock = fifo_lock->getLock(type);
if (type == RWLockImpl::Write)
{

4
dbms/src/DataStreams/PushingToViewsBlockOutputStream.cpp
View File

@ -20,7 +20,7 @@ PushingToViewsBlockOutputStream::PushingToViewsBlockOutputStream(
* Although now any insertion into the table is done via PushingToViewsBlockOutputStream,
* but it's clear that here is not the best place for this functionality.
*/
addTableLock(storage->lockStructure(true, __PRETTY_FUNCTION__));
addTableLock(storage->lockStructure(true));
/// If the "root" table deduplactes blocks, there are no need to make deduplication for children
/// Moreover, deduplication for AggregatingMergeTree children could produce false positives due to low size of inserting blocks
@ -45,7 +45,7 @@ PushingToViewsBlockOutputStream::PushingToViewsBlockOutputStream(
auto & materialized_view = dynamic_cast<const StorageMaterializedView &>(*dependent_table);
if (StoragePtr inner_table = materialized_view.tryGetTargetTable())
addTableLock(inner_table->lockStructure(true, __PRETTY_FUNCTION__));
addTableLock(inner_table->lockStructure(true));
auto query = materialized_view.getInnerQuery();
BlockOutputStreamPtr out = std::make_shared<PushingToViewsBlockOutputStream>(

2
dbms/src/Interpreters/InterpreterCreateQuery.cpp
View File

@ -547,7 +547,7 @@ BlockIO InterpreterCreateQuery::createTable(ASTCreateQuery & create)
if (!as_table_name.empty())
{
as_storage = context.getTable(as_database_name, as_table_name);
as_storage_lock = as_storage->lockStructure(false, __PRETTY_FUNCTION__);
as_storage_lock = as_storage->lockStructure(false);
}
/// Set and retrieve list of columns.

2
dbms/src/Interpreters/InterpreterDescribeQuery.cpp
View File

@ -102,7 +102,7 @@ BlockInputStreamPtr InterpreterDescribeQuery::executeImpl()
table = context.getTable(database_name, table_name);
}
auto table_lock = table->lockStructure(false, __PRETTY_FUNCTION__);
auto table_lock = table->lockStructure(false);
columns = table->getColumns().getAll();
column_defaults = table->getColumns().defaults;
column_comments = table->getColumns().comments;

10
dbms/src/Interpreters/InterpreterDropQuery.cpp
View File

@ -69,7 +69,7 @@ BlockIO InterpreterDropQuery::executeToTable(String & database_name_, String & t
{
database_and_table.second->shutdown();
/// If table was already dropped by anyone, an exception will be thrown
auto table_lock = database_and_table.second->lockForAlter(__PRETTY_FUNCTION__);
auto table_lock = database_and_table.second->lockForAlter();
/// Drop table from memory, don't touch data and metadata
database_and_table.first->detachTable(database_and_table.second->getTableName());
}
@ -78,7 +78,7 @@ BlockIO InterpreterDropQuery::executeToTable(String & database_name_, String & t
database_and_table.second->checkTableCanBeDropped();
/// If table was already dropped by anyone, an exception will be thrown
auto table_lock = database_and_table.second->lockForAlter(__PRETTY_FUNCTION__);
auto table_lock = database_and_table.second->lockForAlter();
/// Drop table data, don't touch metadata
database_and_table.second->truncate(query_ptr);
}
@ -88,7 +88,7 @@ BlockIO InterpreterDropQuery::executeToTable(String & database_name_, String & t
database_and_table.second->shutdown();
/// If table was already dropped by anyone, an exception will be thrown
auto table_lock = database_and_table.second->lockForAlter(__PRETTY_FUNCTION__);
auto table_lock = database_and_table.second->lockForAlter();
/// Delete table metdata and table itself from memory
database_and_table.first->removeTable(context, database_and_table.second->getTableName());
/// Delete table data
@ -124,7 +124,7 @@ BlockIO InterpreterDropQuery::executeToTemporaryTable(String & table_name, ASTDr
if (kind == ASTDropQuery::Kind::Truncate)
{
/// If table was already dropped by anyone, an exception will be thrown
auto table_lock = table->lockForAlter(__PRETTY_FUNCTION__);
auto table_lock = table->lockForAlter();
/// Drop table data, don't touch metadata
table->truncate(query_ptr);
}
@ -133,7 +133,7 @@ BlockIO InterpreterDropQuery::executeToTemporaryTable(String & table_name, ASTDr
context_handle.tryRemoveExternalTable(table_name);
table->shutdown();
/// If table was already dropped by anyone, an exception will be thrown
auto table_lock = table->lockForAlter(__PRETTY_FUNCTION__);
auto table_lock = table->lockForAlter();
/// Delete table data
table->drop();
table->is_dropped = true;

2
dbms/src/Interpreters/InterpreterInsertQuery.cpp
View File

@ -92,7 +92,7 @@ BlockIO InterpreterInsertQuery::execute()
checkAccess(query);
StoragePtr table = getTable(query);
auto table_lock = table->lockStructure(true, __PRETTY_FUNCTION__);
auto table_lock = table->lockStructure(true);
/// We create a pipeline of several streams, into which we will write data.
BlockOutputStreamPtr out;

2
dbms/src/Interpreters/InterpreterOptimizeQuery.cpp
View File

@ -23,7 +23,7 @@ BlockIO InterpreterOptimizeQuery::execute()
return executeDDLQueryOnCluster(query_ptr, context, {ast.database});
StoragePtr table = context.getTable(ast.database, ast.table);
auto table_lock = table->lockStructure(true, __PRETTY_FUNCTION__);
auto table_lock = table->lockStructure(true);
table->optimize(query_ptr, ast.partition, ast.final, ast.deduplicate, context);
return {};
}

2
dbms/src/Interpreters/InterpreterRenameQuery.cpp
View File

@ -101,7 +101,7 @@ BlockIO InterpreterRenameQuery::execute()
for (const auto & names : unique_tables_from)
if (auto table = context.tryGetTable(names.database_name, names.table_name))
locks.emplace_back(table->lockForAlter(__PRETTY_FUNCTION__));
locks.emplace_back(table->lockForAlter());
/** All tables are locked. If there are more than one rename in chain,
* we need to hold global lock while doing all renames. Order matters to avoid deadlocks.

2
dbms/src/Interpreters/InterpreterSelectQuery.cpp
View File

@ -182,7 +182,7 @@ InterpreterSelectQuery::InterpreterSelectQuery(
}
if (storage)
table_lock = storage->lockStructure(false, __PRETTY_FUNCTION__);
table_lock = storage->lockStructure(false);
syntax_analyzer_result = SyntaxAnalyzer(context, storage)
.analyze(query_ptr, source_header.getNamesAndTypesList(), required_result_column_names, subquery_depth);

2
dbms/src/Interpreters/InterpreterSystemQuery.cpp
View File

@ -238,7 +238,7 @@ StoragePtr InterpreterSystemQuery::tryRestartReplica(const String & database_nam
table->shutdown();
/// If table was already dropped by anyone, an exception will be thrown
auto table_lock = table->lockForAlter(__PRETTY_FUNCTION__);
auto table_lock = table->lockForAlter();
create_ast = system_context.getCreateTableQuery(database_name, table_name);
database->detachTable(table_name);

6
dbms/src/Storages/IStorage.cpp
View File

@ -4,13 +4,13 @@
namespace DB
{
TableStructureReadLock::TableStructureReadLock(StoragePtr storage_, bool lock_structure, bool lock_data, const std::string & who)
TableStructureReadLock::TableStructureReadLock(StoragePtr storage_, bool lock_structure, bool lock_data)
: storage(storage_)
{
if (lock_data)
data_lock = storage->data_lock->getLock(RWLockImpl::Read, who);
data_lock = storage->data_lock->getLock(RWLockImpl::Read);
if (lock_structure)
structure_lock = storage->structure_lock->getLock(RWLockImpl::Read, who);
structure_lock = storage->structure_lock->getLock(RWLockImpl::Read);
}
}

23
dbms/src/Storages/IStorage.h
View File

@ -65,7 +65,7 @@ private:
RWLockImpl::LockHandler structure_lock;
public:
TableStructureReadLock(StoragePtr storage_, bool lock_structure, bool lock_data, const std::string & who);
TableStructureReadLock(StoragePtr storage_, bool lock_structure, bool lock_data);
};
@ -115,14 +115,13 @@ public:
/** Does not allow you to change the structure or name of the table.
* If you change the data in the table, you will need to specify will_modify_data = true.
* This will take an extra lock that does not allow starting ALTER MODIFY.
* Parameter 'who' identifies a client of the lock (ALTER query, merge process, etc), used for diagnostic purposes.
*
* WARNING: You need to call methods from ITableDeclaration under such a lock. Without it, they are not thread safe.
* WARNING: To avoid deadlocks, this method must not be called under lock of Context.
*/
TableStructureReadLockPtr lockStructure(bool will_modify_data, const std::string & who)
TableStructureReadLockPtr lockStructure(bool will_modify_data)
{
TableStructureReadLockPtr res = std::make_shared<TableStructureReadLock>(shared_from_this(), true, will_modify_data, who);
TableStructureReadLockPtr res = std::make_shared<TableStructureReadLock>(shared_from_this(), true, will_modify_data);
if (is_dropped)
throw Exception("Table is dropped", ErrorCodes::TABLE_IS_DROPPED);
return res;
@ -130,11 +129,11 @@ public:
/** Does not allow reading the table structure. It is taken for ALTER, RENAME and DROP, TRUNCATE.
*/
TableFullWriteLock lockForAlter(const std::string & who = "Alter")
TableFullWriteLock lockForAlter()
{
/// The calculation order is important.
auto res_data_lock = lockDataForAlter(who);
auto res_structure_lock = lockStructureForAlter(who);
auto res_data_lock = lockDataForAlter();
auto res_structure_lock = lockStructureForAlter();
return {std::move(res_data_lock), std::move(res_structure_lock)};
}
@ -143,17 +142,17 @@ public:
* It is taken during write temporary data in ALTER MODIFY.
* Under this lock, you can take lockStructureForAlter() to change the structure of the table.
*/
TableDataWriteLock lockDataForAlter(const std::string & who = "Alter")
TableDataWriteLock lockDataForAlter()
{
auto res = data_lock->getLock(RWLockImpl::Write, who);
auto res = data_lock->getLock(RWLockImpl::Write);
if (is_dropped)
throw Exception("Table is dropped", ErrorCodes::TABLE_IS_DROPPED);
return res;
}
TableStructureWriteLock lockStructureForAlter(const std::string & who = "Alter")
TableStructureWriteLock lockStructureForAlter()
{
auto res = structure_lock->getLock(RWLockImpl::Write, who);
auto res = structure_lock->getLock(RWLockImpl::Write);
if (is_dropped)
throw Exception("Table is dropped", ErrorCodes::TABLE_IS_DROPPED);
return res;
@ -243,7 +242,7 @@ public:
throw Exception("Method alter supports only change comment of column for storage " + getName(), ErrorCodes::NOT_IMPLEMENTED);
}
auto lock = lockStructureForAlter(__PRETTY_FUNCTION__);
auto lock = lockStructureForAlter();
auto new_columns = getColumns();
params.apply(new_columns);
context.getDatabase(database_name)->alterTable(context, table_name, new_columns, {});

2
dbms/src/Storages/MergeTree/DataPartsExchange.cpp
View File

@ -79,7 +79,7 @@ void Service::processQuery(const Poco::Net::HTMLForm & params, ReadBuffer & /*bo
try
{
auto storage_lock = owned_storage->lockStructure(false, __PRETTY_FUNCTION__);
auto storage_lock = owned_storage->lockStructure(false);
MergeTreeData::DataPartPtr part = findPart(part_name);

4
dbms/src/Storages/MergeTree/ReplicatedMergeTreeAlterThread.cpp
View File

@ -84,7 +84,7 @@ void ReplicatedMergeTreeAlterThread::run()
LOG_INFO(log, "Changed version of 'columns' node in ZooKeeper. Waiting for structure write lock.");
auto table_lock = storage.lockStructureForAlter(__PRETTY_FUNCTION__);
auto table_lock = storage.lockStructureForAlter();
if (columns_in_zk != storage.getColumns())
{
@ -113,7 +113,7 @@ void ReplicatedMergeTreeAlterThread::run()
/// Update parts.
if (changed_version || force_recheck_parts)
{
auto table_lock = storage.lockStructure(false, __PRETTY_FUNCTION__);
auto table_lock = storage.lockStructure(false);
if (changed_version)
LOG_INFO(log, "ALTER-ing parts");

2
dbms/src/Storages/MergeTree/ReplicatedMergeTreePartCheckThread.cpp
View File

@ -202,7 +202,7 @@ void ReplicatedMergeTreePartCheckThread::checkPart(const String & part_name)
else if (part->name == part_name)
{
auto zookeeper = storage.getZooKeeper();
auto table_lock = storage.lockStructure(false, __PRETTY_FUNCTION__);
auto table_lock = storage.lockStructure(false);
/// If the part is in ZooKeeper, check its data with its checksums, and them with ZooKeeper.
if (zookeeper->exists(storage.replica_path + "/parts/" + part_name))

2
dbms/src/Storages/StorageBuffer.cpp
View File

@ -634,7 +634,7 @@ void StorageBuffer::alter(const AlterCommands & params, const String & database_
if (param.type == AlterCommand::MODIFY_PRIMARY_KEY)
throw Exception("Storage engine " + getName() + " doesn't support primary key.", ErrorCodes::NOT_IMPLEMENTED);
auto lock = lockStructureForAlter(__PRETTY_FUNCTION__);
auto lock = lockStructureForAlter();
/// So that no blocks of the old structure remain.
optimize({} /*query*/, {} /*partition_id*/, false /*final*/, false /*deduplicate*/, context);

2
dbms/src/Storages/StorageDistributed.cpp
View File

@ -308,7 +308,7 @@ void StorageDistributed::alter(const AlterCommands & params, const String & data
if (param.type == AlterCommand::MODIFY_PRIMARY_KEY)
throw Exception("Storage engine " + getName() + " doesn't support primary key.", ErrorCodes::NOT_IMPLEMENTED);
auto lock = lockStructureForAlter(__PRETTY_FUNCTION__);
auto lock = lockStructureForAlter();
ColumnsDescription new_columns = getColumns();
params.apply(new_columns);

6
dbms/src/Storages/StorageMerge.cpp
View File

@ -344,7 +344,7 @@ StorageMerge::StorageListWithLocks StorageMerge::getSelectedTables() const
{
auto & table = iterator->table();
if (table.get() != this)
selected_tables.emplace_back(table, table->lockStructure(false, __PRETTY_FUNCTION__));
selected_tables.emplace_back(table, table->lockStructure(false));
}
iterator->next();
@ -374,7 +374,7 @@ StorageMerge::StorageListWithLocks StorageMerge::getSelectedTables(const ASTPtr
if (storage.get() != this)
{
virtual_column->insert(storage->getTableName());
selected_tables.emplace_back(storage, get_lock ? storage->lockStructure(false, __PRETTY_FUNCTION__) : TableStructureReadLockPtr{});
selected_tables.emplace_back(storage, get_lock ? storage->lockStructure(false) : TableStructureReadLockPtr{});
}
}
@ -400,7 +400,7 @@ void StorageMerge::alter(const AlterCommands & params, const String & database_n
if (param.type == AlterCommand::MODIFY_PRIMARY_KEY)
throw Exception("Storage engine " + getName() + " doesn't support primary key.", ErrorCodes::NOT_IMPLEMENTED);
auto lock = lockStructureForAlter(__PRETTY_FUNCTION__);
auto lock = lockStructureForAlter();
ColumnsDescription new_columns = getColumns();
params.apply(new_columns);

22
dbms/src/Storages/StorageMergeTree.cpp
View File

@ -190,7 +190,7 @@ void StorageMergeTree::alter(
{
if (!params.is_mutable())
{
auto table_soft_lock = lockStructureForAlter(__PRETTY_FUNCTION__);
auto table_soft_lock = lockStructureForAlter();
auto new_columns = getColumns();
params.apply(new_columns);
context.getDatabase(database_name)->alterTable(context, table_name, new_columns, {});
@ -201,7 +201,7 @@ void StorageMergeTree::alter(
/// NOTE: Here, as in ReplicatedMergeTree, you can do ALTER which does not block the writing of data for a long time.
auto merge_blocker = merger_mutator.actions_blocker.cancel();
auto table_soft_lock = lockDataForAlter(__PRETTY_FUNCTION__);
auto table_soft_lock = lockDataForAlter();
data.checkAlter(params);
@ -234,7 +234,7 @@ void StorageMergeTree::alter(
transactions.push_back(std::move(transaction));
}
auto table_hard_lock = lockStructureForAlter(__PRETTY_FUNCTION__);
auto table_hard_lock = lockStructureForAlter();
IDatabase::ASTModifier storage_modifier;
if (primary_key_is_modified)
@ -400,7 +400,7 @@ bool StorageMergeTree::merge(
bool deduplicate,
String * out_disable_reason)
{
auto structure_lock = lockStructure(true, __PRETTY_FUNCTION__);
auto structure_lock = lockStructure(true);
MergeTreeDataMergerMutator::FuturePart future_part;
@ -505,7 +505,7 @@ bool StorageMergeTree::merge(
bool StorageMergeTree::tryMutatePart()
{
auto structure_lock = lockStructure(true, __PRETTY_FUNCTION__);
auto structure_lock = lockStructure(true);
MergeTreeDataMergerMutator::FuturePart future_part;
MutationCommands commands;
@ -705,7 +705,7 @@ void StorageMergeTree::clearColumnInPartition(const ASTPtr & partition, const Fi
auto merge_blocker = merger_mutator.actions_blocker.cancel();
/// We don't change table structure, only data in some parts, parts are locked inside alterDataPart() function
auto lock_read_structure = lockStructure(false, __PRETTY_FUNCTION__);
auto lock_read_structure = lockStructure(false);
String partition_id = data.getPartitionIDFromQuery(partition, context);
auto parts = data.getDataPartsVectorInPartition(MergeTreeDataPartState::Committed, partition_id);
@ -807,7 +807,7 @@ void StorageMergeTree::alterPartition(const ASTPtr & query, const PartitionComma
case PartitionCommand::FREEZE_PARTITION:
{
auto lock = lockStructure(false, __PRETTY_FUNCTION__);
auto lock = lockStructure(false);
data.freezePartition(command.partition, command.with_name, context);
}
break;
@ -818,7 +818,7 @@ void StorageMergeTree::alterPartition(const ASTPtr & query, const PartitionComma
case PartitionCommand::FREEZE_ALL_PARTITIONS:
{
auto lock = lockStructure(false, __PRETTY_FUNCTION__);
auto lock = lockStructure(false);
data.freezeAll(command.with_name, context);
}
break;
@ -836,7 +836,7 @@ void StorageMergeTree::dropPartition(const ASTPtr & partition, bool detach, cons
/// This protects against "revival" of data for a removed partition after completion of merge.
auto merge_blocker = merger_mutator.actions_blocker.cancel();
/// Waits for completion of merge and does not start new ones.
auto lock = lockForAlter(__PRETTY_FUNCTION__);
auto lock = lockForAlter();
String partition_id = data.getPartitionIDFromQuery(partition, context);
@ -919,8 +919,8 @@ void StorageMergeTree::attachPartition(const ASTPtr & partition, bool part, cons
void StorageMergeTree::replacePartitionFrom(const StoragePtr & source_table, const ASTPtr & partition, bool replace, const Context & context)
{
auto lock1 = lockStructure(false, __PRETTY_FUNCTION__);
auto lock2 = source_table->lockStructure(false, __PRETTY_FUNCTION__);
auto lock1 = lockStructure(false);
auto lock2 = source_table->lockStructure(false);
Stopwatch watch;
MergeTreeData * src_data = data.checkStructureAndGetMergeTreeData(source_table);

2
dbms/src/Storages/StorageNull.cpp
View File

@ -31,7 +31,7 @@ void registerStorageNull(StorageFactory & factory)
void StorageNull::alter(const AlterCommands & params, const String & database_name, const String & table_name, const Context & context)
{
auto lock = lockStructureForAlter(__PRETTY_FUNCTION__);
auto lock = lockStructureForAlter();
ColumnsDescription new_columns = getColumns();
params.apply(new_columns);

24
dbms/src/Storages/StorageReplicatedMergeTree.cpp
View File

@ -1146,7 +1146,7 @@ bool StorageReplicatedMergeTree::tryExecuteMerge(const LogEntry & entry)
/// Can throw an exception.
DiskSpaceMonitor::ReservationPtr reserved_space = DiskSpaceMonitor::reserve(full_path, estimated_space_for_merge);
auto table_lock = lockStructure(false, __PRETTY_FUNCTION__);
auto table_lock = lockStructure(false);
MergeList::EntryPtr merge_entry = context.getMergeList().insert(database_name, table_name, entry.new_part_name, parts);
@ -1276,7 +1276,7 @@ bool StorageReplicatedMergeTree::tryExecutePartMutation(const StorageReplicatedM
/// Can throw an exception.
DiskSpaceMonitor::ReservationPtr reserved_space = DiskSpaceMonitor::reserve(full_path, estimated_space_for_result);
auto table_lock = lockStructure(false, __PRETTY_FUNCTION__);
auto table_lock = lockStructure(false);
MergeTreeData::MutableDataPartPtr new_part;
MergeTreeData::Transaction transaction(data);
@ -1582,7 +1582,7 @@ void StorageReplicatedMergeTree::executeClearColumnInPartition(const LogEntry &
/// We don't change table structure, only data in some parts
/// To disable reading from these parts, we will sequentially acquire write lock for each part inside alterDataPart()
/// If we will lock the whole table here, a deadlock can occur. For example, if use use Buffer table (CLICKHOUSE-3238)
auto lock_read_structure = lockStructure(false, __PRETTY_FUNCTION__);
auto lock_read_structure = lockStructure(false);
auto zookeeper = getZooKeeper();
@ -1683,7 +1683,7 @@ bool StorageReplicatedMergeTree::executeReplaceRange(const LogEntry & entry)
PartDescriptions parts_to_add;
MergeTreeData::DataPartsVector parts_to_remove;
auto structure_lock_dst_table = lockStructure(false, __PRETTY_FUNCTION__);
auto structure_lock_dst_table = lockStructure(false);
for (size_t i = 0; i < entry_replace.new_part_names.size(); ++i)
{
@ -1745,7 +1745,7 @@ bool StorageReplicatedMergeTree::executeReplaceRange(const LogEntry & entry)
return 0;
}
structure_lock_src_table = source_table->lockStructure(false, __PRETTY_FUNCTION__);
structure_lock_src_table = source_table->lockStructure(false);
MergeTreeData::DataPartStates valid_states{MergeTreeDataPartState::PreCommitted, MergeTreeDataPartState::Committed,
MergeTreeDataPartState::Outdated};
@ -2767,7 +2767,7 @@ bool StorageReplicatedMergeTree::fetchPart(const String & part_name, const Strin
TableStructureReadLockPtr table_lock;
if (!to_detached)
table_lock = lockStructure(true, __PRETTY_FUNCTION__);
table_lock = lockStructure(true);
/// Logging
Stopwatch stopwatch;
@ -3130,7 +3130,7 @@ void StorageReplicatedMergeTree::alter(const AlterCommands & params,
{
/// Just to read current structure. Alter will be done in separate thread.
auto table_lock = lockStructure(false, __PRETTY_FUNCTION__);
auto table_lock = lockStructure(false);
if (is_readonly)
throw Exception("Can't ALTER readonly table", ErrorCodes::TABLE_IS_READ_ONLY);
@ -3312,7 +3312,7 @@ void StorageReplicatedMergeTree::alterPartition(const ASTPtr & query, const Part
case PartitionCommand::FREEZE_PARTITION:
{
auto lock = lockStructure(false, __PRETTY_FUNCTION__);
auto lock = lockStructure(false);
data.freezePartition(command.partition, command.with_name, context);
}
break;
@ -3323,7 +3323,7 @@ void StorageReplicatedMergeTree::alterPartition(const ASTPtr & query, const Part
case PartitionCommand::FREEZE_ALL_PARTITIONS:
{
auto lock = lockStructure(false, __PRETTY_FUNCTION__);
auto lock = lockStructure(false);
data.freezeAll(command.with_name, context);
}
break;
@ -4325,7 +4325,7 @@ void StorageReplicatedMergeTree::clearOldPartsAndRemoveFromZK()
{
/// Critical section is not required (since grabOldParts() returns unique part set on each call)
auto table_lock = lockStructure(false, __PRETTY_FUNCTION__);
auto table_lock = lockStructure(false);
auto zookeeper = getZooKeeper();
MergeTreeData::DataPartsVector parts = data.grabOldParts();
@ -4600,8 +4600,8 @@ void StorageReplicatedMergeTree::clearBlocksInPartition(
void StorageReplicatedMergeTree::replacePartitionFrom(const StoragePtr & source_table, const ASTPtr & partition, bool replace,
const Context & context)
{
auto lock1 = lockStructure(false, __PRETTY_FUNCTION__);
auto lock2 = source_table->lockStructure(false, __PRETTY_FUNCTION__);
auto lock1 = lockStructure(false);
auto lock2 = source_table->lockStructure(false);
Stopwatch watch;
MergeTreeData * src_data = data.checkStructureAndGetMergeTreeData(source_table);

2
dbms/src/Storages/System/StorageSystemColumns.cpp
View File

@ -98,7 +98,7 @@ protected:
try
{
table_lock = storage->lockStructure(false, __PRETTY_FUNCTION__);
table_lock = storage->lockStructure(false);
}
catch (const Exception & e)
{

2
dbms/src/Storages/System/StorageSystemPartsBase.cpp
View File

@ -166,7 +166,7 @@ public:
try
{
/// For table not to be dropped and set of columns to remain constant.
info.table_lock = info.storage->lockStructure(false, __PRETTY_FUNCTION__);
info.table_lock = info.storage->lockStructure(false);
}
catch (const Exception & e)
{

4
suppress_base.json
View File

@ -6038,8 +6038,8 @@
"CodeNext": 0,
"CodePrev": 0,
"ErrorCode": "V001",
"FileName": "gtest_rw_lock_fifo.cpp.cpp",
"Message": "A code fragment from 'gtest_rw_lock_fifo.cpp.cpp' cannot be analyzed."
"FileName": "gtest_rw_lock.cpp",
"Message": "A code fragment from 'gtest_rw_lock.cpp' cannot be analyzed."
},
{
"CodeCurrent": 0,