test(database): added testcases for database optimizer

Taken from press - https://github.com/frappe/press/blob/805d4f303aefd126025fffe1b6cdbb1d03911424/press/press/report/mariadb_slow_queries/test_db_optimizer.py Co-authored-by: Ankush<[email protected]>
frappe · Dec 20, 2024 · cc23f60 · cc23f60
1 parent ea7abae
commit cc23f60
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Showing 2 changed files with 660 additions and 2 deletions.
diff --git a/agent/database_optimizer.py b/agent/database_optimizer.py
@@ -242,8 +242,7 @@ def potential_indexes(self) -> list[DBIndex]:
         # Top N query variant - Order by column can possibly speed up the query
         if (
             order_by_columns := self.parsed_query.columns_dict.get("order_by")
-            and self.parsed_query.limit_and_offset
-        ):
+        ) and self.parsed_query.limit_and_offset:
             possible_indexes.extend(order_by_columns)
 
         possible_db_indexes = [self._convert_to_db_index(i) for i in possible_indexes]