(PGSQLInterface): добавил функцию быстрой вставки (на основе COPY)

extensions/DBServer-PostgreSQL/PostgreSQLInterface.cc

@@ -86,6 +86,33 @@ bool PostgreSQLInterface::close()
 	return true;
 }
 // -----------------------------------------------------------------------------------------
+bool PostgreSQLInterface::copy( const std::string& tblname, const std::list<std::string>& cols, const std::list<std::list<std::string>>& data )
+{
+	if( !db )
+		return false;
+
+	try
+	{
+		work w( *(db.get()) );
+		tablewriter t(w,tblname,cols.begin(),cols.end());
+
+		t.reserve(data.size());
+		for( const auto& d: data )
+			t.push_back(d.begin(),d.end());
+
+		t.complete();
+		w.commit();
+		return true;
+	}
+	catch( const std::exception& e )
+	{
+		//cerr << e.what() << std::endl;
+		lastE = string(e.what());
+	}
+
+	return false;
+}
+// -----------------------------------------------------------------------------------------
 bool PostgreSQLInterface::insert( const string& q )
 {
 	if( !db )

extensions/DBServer-PostgreSQL/PostgreSQLInterface.h

@@ -48,6 +48,9 @@ class PostgreSQLInterface:
 		virtual double insert_id() override;
 		void save_inserted_id( const pqxx::result& res );
 
+		// fast insert: Use COPY..from SDTIN..
+		virtual bool copy( const std::string& tblname, const std::list<std::string>& cols, const std::list<std::list<std::string>>& data );
+
 		virtual const std::string error() override;
 
 	protected: