Add error checking for every occurance of rows.Next()

cmd/backend/articles.go

@@ -175,6 +175,10 @@ func (db *DB) GetCertainArticles(attribute string, value bool) ([]*Article, erro
 		articleList = append(articleList, article)
 	}
 
+	if err = rows.Err(); err != nil {
+		return nil, fmt.Errorf("error iterating over rows: %v", err)
+	}
+
 	return articleList, nil
 }
 
@@ -243,6 +247,13 @@ func (db *DB) GetCurrentIssueArticles() ([]*Article, error) {
 				articleList = append(articleList, article)
 			}
 
+			if err = rows.Err(); err != nil {
+				if rollbackErr := tx.Rollback(); rollbackErr != nil {
+					log.Fatalf("transaction error: %v, rollback error: %v", err, rollbackErr)
+				}
+				return nil, fmt.Errorf("error iterating over rows: %v", err)
+			}
+
 			if err = tx.Commit(); err != nil {
 				return nil, fmt.Errorf("error committing transaction when getting articles of issue %v: %v", issueID, err)
 			}