go: Close all DB results

GoBot/db_invite.go

@@ -9,6 +9,7 @@ func getInviteOwner(inviteCode string) (string, error) {
 	if err != nil {
 		return "", err
 	}
+	defer rows.Close()
 	if rows.Next() {
 		var owner string
 		var used bool

GoBot/db_vote.go

@@ -27,6 +27,7 @@ func getVoteName(id int) (string, error) {
 	if err != nil {
 		return "", err
 	}
+	defer rows.Close()
 	if rows.Next() {
 		var name string
 		err := rows.Scan(&name)
@@ -43,6 +44,7 @@ func getVoteFromMessageID(msgID string) (int, error) {
 	if err != nil {
 		return 0, err
 	}
+	defer rows.Close()
 	if rows.Next() {
 		var id int
 		err := rows.Scan(&id)
@@ -64,10 +66,12 @@ func updateVote(voteID int, userID string, voteValue int) error {
 		if rows.Next() {
 			return errForceRejectionVoteReuse
 		}
+		rows.Close()
 	}
 
 	//Check if the vote is finished and don't allow change of vote that way.
 	rows, err := db.Query("SELECT finished FROM vote WHERE id=? AND finished=?", voteID, true)
+	defer rows.Close()
 	if rows.Next() {
 		return errVoteIsOver
 	}