diff --git a/src/model.cpp b/src/model.cpp
index b899337..eca681b 100644
--- a/src/model.cpp
+++ b/src/model.cpp
@@ -1712,6 +1712,21 @@ bool Model::db_query(const pt::TextStream & raw_sql)
 }
 
 
+bool Model::db_query(const char ** raw_sql, size_t len)
+{
+	for(size_t i=0 ; i < len ; ++i)
+	{
+		if( !db_query(raw_sql[i]) )
+		{
+			return false;
+		}
+	}
+
+	return true;
+}
+
+
+
 
 
 void Model::field_member_set_field_value(
diff --git a/src/model.h b/src/model.h
index 00c432e..3f6383e 100644
--- a/src/model.h
+++ b/src/model.h
@@ -351,6 +351,7 @@ protected:
 	virtual bool db_query(const char * raw_sql);
 	virtual bool db_query(const std::string & raw_sql);
 	virtual bool db_query(const pt::TextStream & raw_sql);
+	virtual bool db_query(const char ** raw_sql, size_t len);