Addition to prev. revision [#CLICKHOUSE-2716].

libs/libmysqlxx/CMakeLists.txt

 add_library (mysqlxx
 	src/Connection.cpp
+	src/Exception.cpp
 	src/Query.cpp
 	src/ResultBase.cpp
 	src/StoreQueryResult.cpp
 	src/UseQueryResult.cpp
+	src/Row.cpp
 	src/Value.cpp
+	src/Pool.cpp
 	src/PoolWithFailover.cpp
 
 	include/mysqlxx/Connection.h

libs/libmysqlxx/include/mysqlxx/Pool.h

@@ -172,10 +172,8 @@ public:
 		unsigned default_connections_ = MYSQLXX_POOL_DEFAULT_START_CONNECTIONS,
 		unsigned max_connections_ = MYSQLXX_POOL_DEFAULT_MAX_CONNECTIONS,
 		const char * parent_config_name_ = nullptr)
-		: Pool{
-			Poco::Util::Application::instance().config(), config_name,
-			default_connections_, max_connections_, parent_config_name_
-		  }
+		: Pool{Poco::Util::Application::instance().config(), config_name,
+			default_connections_, max_connections_, parent_config_name_}
 	{}
 
 	/**
@@ -186,39 +184,7 @@ public:
 	Pool(const Poco::Util::AbstractConfiguration & cfg, const std::string & config_name,
 		 unsigned default_connections_ = MYSQLXX_POOL_DEFAULT_START_CONNECTIONS,
 		 unsigned max_connections_ = MYSQLXX_POOL_DEFAULT_MAX_CONNECTIONS,
-		 const char * parent_config_name_ = nullptr)
-		: default_connections(default_connections_), max_connections(max_connections_)
-	{
-		server 		= cfg.getString(config_name + ".host");
-
-		if (parent_config_name_)
-		{
-			const std::string parent_config_name(parent_config_name_);
-			db 		= cfg.getString(config_name + ".db", cfg.getString(parent_config_name + ".db", ""));
-			user 	= cfg.has(config_name + ".user") ?
-					cfg.getString(config_name + ".user") : cfg.getString(parent_config_name + ".user");
-			password = cfg.has(config_name + ".password") ?
-					cfg.getString(config_name + ".password") : cfg.getString(parent_config_name + ".password");
-			port = cfg.has(config_name + ".port") ? cfg.getInt(config_name + ".port") :
-					cfg.getInt(parent_config_name + ".port");
-		}
-		else
-		{
-			db 		= cfg.getString(config_name + ".db", "");
-			user 	= cfg.getString(config_name + ".user");
-			password =  cfg.getString(config_name + ".password");
-			port = cfg.getInt(config_name + ".port");
-		}
-
-		connect_timeout = cfg.getInt(config_name + ".connect_timeout",
-				cfg.getInt("mysql_connect_timeout",
-					MYSQLXX_DEFAULT_TIMEOUT));
-
-		rw_timeout =
-			cfg.getInt(config_name + ".rw_timeout",
-				cfg.getInt("mysql_rw_timeout",
-					MYSQLXX_DEFAULT_RW_TIMEOUT));
-	}
+		 const char * parent_config_name_ = nullptr);
 
 	/**
 	 * @param db_					Имя БД

libs/libmysqlxx/src/Pool.cpp

@@ -23,6 +23,46 @@ void Pool::Entry::decrementRefCount()
 }
 
 
+Pool::Pool(const Poco::Util::AbstractConfiguration & cfg, const std::string & config_name,
+	 unsigned default_connections_, unsigned max_connections_,
+	 const char * parent_config_name_)
+	: default_connections(default_connections_), max_connections(max_connections_)
+{
+	server = cfg.getString(config_name + ".host");
+
+	if (parent_config_name_)
+	{
+		const std::string parent_config_name(parent_config_name_);
+		db = cfg.getString(config_name + ".db", cfg.getString(parent_config_name + ".db", ""));
+		user = cfg.has(config_name + ".user")
+			? cfg.getString(config_name + ".user")
+			: cfg.getString(parent_config_name + ".user");
+		password = cfg.has(config_name + ".password")
+			? cfg.getString(config_name + ".password")
+			: cfg.getString(parent_config_name + ".password");
+		port = cfg.has(config_name + ".port")
+			? cfg.getInt(config_name + ".port")
+			: cfg.getInt(parent_config_name + ".port");
+	}
+	else
+	{
+		db = cfg.getString(config_name + ".db", "");
+		user = cfg.getString(config_name + ".user");
+		password = cfg.getString(config_name + ".password");
+		port = cfg.getInt(config_name + ".port");
+	}
+
+	connect_timeout = cfg.getInt(config_name + ".connect_timeout",
+		cfg.getInt("mysql_connect_timeout",
+			MYSQLXX_DEFAULT_TIMEOUT));
+
+	rw_timeout =
+		cfg.getInt(config_name + ".rw_timeout",
+			cfg.getInt("mysql_rw_timeout",
+				MYSQLXX_DEFAULT_RW_TIMEOUT));
+}
+
+
 Pool::~Pool()
 {
 	Poco::ScopedLock<Poco::FastMutex> locker(lock);
@@ -102,7 +142,7 @@ void Pool::initialize()
 }
 
 
-Connection * Pool::allocConnection(bool dont_throw_if_failed_first_time)
+Pool::Connection * Pool::allocConnection(bool dont_throw_if_failed_first_time)
 {
 	Poco::Util::Application & app = Poco::Util::Application::instance();