lockmgr::helpers Namespace Reference

Functions
ChunkKey	chunk_key_for_table (const Catalog_Namespace::Catalog &cat, const std::string &tableName)
template<typename LOCK_TYPE , typename LOCK_MGR_TYPE >
LOCK_TYPE	getLockForKeyImpl (const ChunkKey &chunk_key)
template<typename LOCK_TYPE , typename LOCK_MGR_TYPE >
LOCK_TYPE	getLockForTableImpl (const Catalog_Namespace::Catalog &cat, const std::string &table_name)

Function Documentation

ChunkKey lockmgr::helpers::chunk_key_for_table	(	const Catalog_Namespace::Catalog &	cat,
		const std::string &	tableName
	)

Definition at line 25 of file LockMgr.cpp.

References Catalog_Namespace::DBMetadata::dbId, Catalog_Namespace::DBMetadata::dbName, Catalog_Namespace::Catalog::getCurrentDB(), and Catalog_Namespace::Catalog::getTableId().

Referenced by getLockForTableImpl().

                                                         {
  const auto table_id = cat.getTableId(tableName);
  if (table_id.has_value()) {
    ChunkKey chunk_key{cat.getCurrentDB().dbId, table_id.value()};
    return chunk_key;
  } else {
    throw Catalog_Namespace::TableNotFoundException(tableName, cat.getCurrentDB().dbName);
  }
}

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template<typename LOCK_TYPE , typename LOCK_MGR_TYPE >

LOCK_TYPE lockmgr::helpers::getLockForKeyImpl

(

const ChunkKey &

chunk_key

)

Definition at line 116 of file LockMgrImpl.h.

References lockmgr::instance().

                                                       {
  auto& table_lock_mgr = LOCK_MGR_TYPE::instance();
  return LOCK_TYPE(table_lock_mgr.getTableMutex(chunk_key));
}

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template<typename LOCK_TYPE , typename LOCK_MGR_TYPE >

LOCK_TYPE lockmgr::helpers::getLockForTableImpl	(	const Catalog_Namespace::Catalog &	cat,
		const std::string &	table_name
	)

Definition at line 122 of file LockMgrImpl.h.

References chunk_key_for_table(), and lockmgr::instance().

                                                           {
  const auto chunk_key = chunk_key_for_table(cat, table_name);

  auto& table_lock_mgr = LOCK_MGR_TYPE::instance();
  return LOCK_TYPE(table_lock_mgr.getTableMutex(chunk_key));
}

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