Use INSERT instead of REPLACE for savedata storage functions

db/savedata.go

@@ -65,7 +65,7 @@ func StoreSystemSaveData(uuid []byte, data defs.SystemSaveData) error {
 		return err
 	}
 
-	_, err = handle.Exec("REPLACE INTO systemSaveData (uuid, data, timestamp) VALUES (?, ?, UTC_TIMESTAMP())", uuid, buf.Bytes())
+	_, err = handle.Exec("INSERT INTO systemSaveData (uuid, data, timestamp) VALUES (?, ?, UTC_TIMESTAMP()) ON DUPLICATE KEY UPDATE data = ?, timestamp = UTC_TIMESTAMP()", uuid, buf.Bytes(), buf.Bytes())
 	if err != nil {
 		return err
 	}
@@ -116,7 +116,7 @@ func StoreSessionSaveData(uuid []byte, data defs.SessionSaveData, slot int) erro
 		return err
 	}
 
-	_, err = handle.Exec("REPLACE INTO sessionSaveData (uuid, slot, data, timestamp) VALUES (?, ?, ?, UTC_TIMESTAMP())", uuid, slot, buf.Bytes())
+	_, err = handle.Exec("INSERT INTO sessionSaveData (uuid, slot, data, timestamp) VALUES (?, ?, ?, UTC_TIMESTAMP()) ON DUPLICATE KEY UPDATE data = ?, timestamp = UTC_TIMESTAMP()", uuid, slot, buf.Bytes(), buf.Bytes())
 	if err != nil {
 		return err
 	}