Remove query_void() methods. query() is just fine.

src/delete/postgre_delete.cpp

@@ -70,6 +70,6 @@ namespace din {
 		boost::copy(dele_ids | boost::adaptors::map_keys, infix_ostream_iterator<uint32_t>(oss, " OR \"id\"="));
 		oss << ";\nCOMMIT;";
 
-		conn.query_void(oss.str());
+		conn.query(oss.str());
 	}
 } //namespace din

src/pq/connection.cpp

@@ -154,7 +154,7 @@ namespace pq {
 			oss << "Unable to connect to database " << m_address << ':' << m_port << " as user \"" << m_username << '"';
 			throw DatabaseException(oss.str(), std::move(err), __FILE__, __LINE__);
 		}
-		query_void("SET NAMES 'utf8'");
+		this->query("SET NAMES 'utf8'");
 
 		PQinitTypes(m_localData->connection); //Init libpqtypes
 	}
@@ -184,16 +184,6 @@ namespace pq {
 		return ResultSet(std::move(info));
 	}
 
-	void Connection::query_void (const std::string& parQuery) {
-		ResultInfo info(PQexec(m_localData->connection, parQuery.c_str()));
-		if (not info.result)
-			throw DatabaseException("Error running query", "Error allocating result object", __FILE__, __LINE__);
-		const int ress = PQresultStatus(info.result.get());
-		if (ress != PGRES_TUPLES_OK && ress != PGRES_COMMAND_OK) {
-			throw DatabaseException("Error running query", error_message(), __FILE__, __LINE__);
-		}
-	}
-
 	std::string Connection::escaped_literal (const std::string& parString) {
 		return this->escaped_literal(boost::string_ref(parString));
 	}
@@ -205,7 +195,7 @@ namespace pq {
 		return std::string(clean_str.get());
 	}
 
-	void Connection::query_void_params (const std::string& parQuery, PGParams& parParams) {
+	ResultSet Connection::query_params (const std::string& parQuery, PGParams& parParams) {
 		int result_format = 1;
 		assert(parParams.get());
 		ResultInfo info(
@@ -225,6 +215,8 @@ namespace pq {
 		if (ress != PGRES_TUPLES_OK && ress != PGRES_COMMAND_OK) {
 			throw DatabaseException("Error running query", error_message(), __FILE__, __LINE__);
 		}
+
+		return ResultSet(std::move(info));
 	}
 
 	auto Connection::make_params (const std::string* parTypes, ...) -> PGParams {

src/pq/connection.hpp

@@ -39,20 +39,19 @@ namespace pq {
 		bool is_connected ( void ) const noexcept;
 		void connect ( void );
 		void disconnect ( void );
-		void query_void ( const std::string& parQuery );
 		ResultSet query ( const std::string& parQuery );
 
 		std::string escaped_literal ( const std::string& parString );
 		std::string escaped_literal ( boost::string_ref parString );
 
 		template <typename... Args>
-		void query_void ( const std::string& parQuery, Args&&... parArgs );
+		ResultSet query ( const std::string& parQuery, Args&&... parArgs );
 
 	private:
 		struct LocalData;
 		using PGParams = std::unique_ptr<::PGparam, void(*)(::PGparam*)>;
 
-		void query_void_params ( const std::string& parQuery, PGParams& parParams );
+		ResultSet query_params ( const std::string& parQuery, PGParams& parParams );
 		PGParams make_params ( const std::string* parTypes, ... );
 
 		const std::string m_username;
@@ -108,7 +107,7 @@ namespace pq {
 	} //namespace implem
 
 	template <typename... Args>
-	void Connection::query_void (const std::string& parQuery, Args&&... parArgs) {
+	ResultSet Connection::query (const std::string& parQuery, Args&&... parArgs) {
 		using std::remove_cv;
 		using std::remove_reference;
 
@@ -126,7 +125,7 @@ namespace pq {
 		};
 		PGParams pgparams = make_pgparams();
 
-		this->query_void_params(parQuery, pgparams);
+		return this->query_params(parQuery, pgparams);
 	}
 } //namespace pq
 

src/scan/dbbackend.cpp

@@ -89,8 +89,8 @@ namespace din {
 		pq::Connection conn(std::string(parDB.username), std::string(parDB.password), std::string(parDB.dbname), std::string(parDB.address), parDB.port);
 		conn.connect();
 
-		conn.query_void("BEGIN;");
+		conn.query("BEGIN;");
-		conn.query_void("INSERT INTO \"sets\" (\"desc\",\"type\") VALUES ($1, $2)",
+		conn.query("INSERT INTO \"sets\" (\"desc\",\"type\") VALUES ($1, $2)",
 			parSetData.name,
 			std::string(1, parSetData.type)
 		);
@@ -102,7 +102,7 @@ namespace din {
 				"($1, $2, $3, currval('\"sets_id_seq\"'), $4, $5, $6, $7, $8, $9, $10);";
 
 			const auto& itm = parData[z];
-			conn.query_void(query,
+			conn.query(query,
 				itm.path,
 				tiger_to_string(itm.hash),
 				itm.level,
@@ -115,6 +115,6 @@ namespace din {
 				itm.unreadable
 			);
 		}
-		conn.query_void("COMMIT;");
+		conn.query("COMMIT;");
 	}
 } //namespace din