diff --git a/pgsql/Pgsql_Connection.cpp b/pgsql/Pgsql_Connection.cpp
index 6e82f41..f86ddfd 100644
--- a/pgsql/Pgsql_Connection.cpp
+++ b/pgsql/Pgsql_Connection.cpp
@@ -109,6 +109,11 @@ Result Connection::queryParam(const char * command, const Params &params)
 	return Result(result);
 }
 
+Result Connection::queryParam(const std::string &command, const Params &params)
+{
+    return queryParam(command.c_str(), params);
+}
+
 Result Connection::queryParam(const QString &command, const Params &params)
 {
 	return queryParam(command.toUtf8().data(), params);
diff --git a/pgsql/Pgsql_Connection.h b/pgsql/Pgsql_Connection.h
index c417634..3deeef2 100644
--- a/pgsql/Pgsql_Connection.h
+++ b/pgsql/Pgsql_Connection.h
@@ -83,6 +83,7 @@ namespace Pgsql {
 		}
 
 		Result queryParam(const char * command, const Params &params);
+        Result queryParam(const std::string &command, const Params &params);
 		Result queryParam(const QString &command, const Params &params);
 
         void sendQuery(const char * query);
diff --git a/pgsql/Pgsql_Params.cpp b/pgsql/Pgsql_Params.cpp
index a816ac0..933d3c4 100644
--- a/pgsql/Pgsql_Params.cpp
+++ b/pgsql/Pgsql_Params.cpp
@@ -84,6 +84,12 @@ Param Params::add(const char *data, Oid oid)
 	return addText(p, oid);
 }
 
+Param Params::add(int v, Oid oid)
+{
+    std::string s = std::format("{:d}", v);
+    return add(s.c_str(), oid);
+}
+
 template <typename T, typename U>
 void concatContainers(T &d, const U& s)
 {
diff --git a/pgsql/Pgsql_Params.h b/pgsql/Pgsql_Params.h
index 3d110df..83d349c 100644
--- a/pgsql/Pgsql_Params.h
+++ b/pgsql/Pgsql_Params.h
@@ -35,9 +35,10 @@ namespace Pgsql {
 		~Params();
 
 
-		Param add(const QString &s, Oid oid=varchar_oid);
-		Param add(const char *data, Oid oid=varchar_oid);
-		Param add(std::optional<std::string> s, Oid oid=varchar_oid)
+        Param add(const QString &s, Oid oid=varchar_oid);
+        Param add(const char *data, Oid oid=varchar_oid);
+        Param add(int v, Oid oid=int4_oid);
+        Param add(std::optional<std::string> s, Oid oid=varchar_oid)
 		{
 			return add(s ? s->c_str() : nullptr, oid);
 		}