ClickHouse/dbms/src/Storages/IStorage.cpp

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#include <Storages/IStorage.h>
namespace DB
{
TableStructureReadLock::TableStructureReadLock(StoragePtr storage_, bool lock_structure, bool lock_data, const std::string & who)
: storage(storage_)
{
if (lock_data)
data_lock = storage->data_lock->getLock(RWLockFIFO::Read, who);
if (lock_structure)
structure_lock = storage->structure_lock->getLock(RWLockFIFO::Read, who);
}
}