Update lancedb.py (#108)

Properly quotes each ID: Each ID is individually wrapped in single
quotes
Generates correct SQL: Creates proper SQL syntax like id IN
('doc1','doc2')
Uses consistent string formatting: Uses f-strings throughout for clarity

---------

Co-authored-by: Mason Daugherty <[email protected]>

Author: 2 people

libs/community/langchain_community/vectorstores/lancedb.py

@@ -681,7 +681,10 @@ def delete(
         if filter:
             tbl.delete(filter)
         elif ids:
-            tbl.delete(f"{self._id_key} in ('{{}}')".format(",".join(ids)))
+            quoted_ids = ["'" + id_val.replace("'", "''") + "'" for id_val in ids]
+            ids_clause = ",".join(quoted_ids)
+            delete_filter = f"{self._id_key} IN ({ids_clause})"
+            tbl.delete(delete_filter)
         elif drop_columns:
             if self.api_key is not None:
                 raise NotImplementedError(