Merge pull request #35 from CentreForDigitalHumanities/feature/preven…

…t-slow-ustc-queries Do not allow very short USTC queries
CentreForDigitalHumanities · Aug 13, 2024 · 69da52b · 69da52b
2 parents 1eeda65 + 0fa0ee2
commit 69da52b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/edpop_explorer/readers/ustc.py b/edpop_explorer/readers/ustc.py
@@ -43,6 +43,9 @@ def prepare_data(self):
 
     @classmethod
     def transform_query(cls, query: str) -> SQLPreparedQuery:
+        if len(query.strip()) < 3:
+            # Do not allow very short USTC queries because they are very slow
+            raise ReaderError('USTC query must have at least 3 characters.')
         where_statement = ( 
             'WHERE E.std_title LIKE ? '
             'OR E.author_name_1 LIKE ? '