mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-05 23:31:24 +00:00
c7863e1ac6
* Attempt to enable identifier naming check * Attempt to enable identifier naming check, continue * Progress on identifier names * Adopt identifier names check * Fixed error * Merge with master * Fixed build * Fixed build * Fixed build * Fixed build * Fixed build * Fixed error * Fixed error * Fixed error
56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
#pragma once
|
|
|
|
#include <mutex>
|
|
#include <memory>
|
|
#include <boost/noncopyable.hpp>
|
|
|
|
#include <mysqlxx/PoolWithFailover.h>
|
|
|
|
|
|
#define MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_START_CONNECTIONS 1
|
|
#define MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_MAX_CONNECTIONS 16
|
|
#define MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_MAX_TRIES 3
|
|
|
|
|
|
namespace mysqlxx
|
|
{
|
|
|
|
/*
|
|
* PoolFactory.h
|
|
* This class is a helper singleton to mutualize connections to MySQL.
|
|
*/
|
|
class PoolFactory final : private boost::noncopyable
|
|
{
|
|
public:
|
|
static PoolFactory & instance();
|
|
|
|
PoolFactory(const PoolFactory &) = delete;
|
|
|
|
/** Allocates a PoolWithFailover to connect to MySQL. */
|
|
PoolWithFailover get(const std::string & config_name,
|
|
unsigned default_connections = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_START_CONNECTIONS,
|
|
unsigned max_connections = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_MAX_CONNECTIONS,
|
|
size_t max_tries = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_MAX_TRIES);
|
|
|
|
/** Allocates a PoolWithFailover to connect to MySQL. */
|
|
PoolWithFailover get(const Poco::Util::AbstractConfiguration & config,
|
|
const std::string & config_name,
|
|
unsigned default_connections = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_START_CONNECTIONS,
|
|
unsigned max_connections = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_MAX_CONNECTIONS,
|
|
size_t max_tries = MYSQLXX_POOL_WITH_FAILOVER_DEFAULT_MAX_TRIES);
|
|
|
|
void reset();
|
|
|
|
|
|
~PoolFactory() = default;
|
|
PoolFactory& operator=(const PoolFactory &) = delete;
|
|
|
|
private:
|
|
PoolFactory();
|
|
|
|
struct Impl;
|
|
std::unique_ptr<Impl> impl;
|
|
};
|
|
|
|
}
|