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#pragma once
#include "clickhouse_config.h"
#if USE_LIBPQXX
#error #include <pqxx/pqxx>
#include <Core/Types.h>
#include <base/BorrowedObjectPool.h>
#include "Connection.h"
namespace postgres
{
using Pool = BorrowedObjectPool<ConnectionPtr>;
using PoolPtr = std::shared_ptr<Pool>;
class ConnectionHolder
{
public:
ConnectionHolder(PoolPtr pool_, ConnectionPtr connection_, bool auto_close_)
: pool(pool_)
, connection(std::move(connection_))
, auto_close(auto_close_)
{}
ConnectionHolder(const ConnectionHolder & other) = delete;
void setBroken() { is_broken = true; }
~ConnectionHolder()
{
if (auto_close)
{
connection.reset();
}
else if (is_broken)
{
try
{
connection->getRef().reset();
}
catch (...)
{
connection.reset();
}
}
pool->returnObject(std::move(connection));
}
pqxx::connection & get()
{
return connection->getRef();
}
void update()
{
connection->updateConnection();
}
private:
PoolPtr pool;
ConnectionPtr connection;
bool auto_close;
bool is_broken = false;
};
using ConnectionHolderPtr = std::unique_ptr<ConnectionHolder>;
}
#endif
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