diff options
| -rw-r--r-- | lib/bb/persist_data.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/bb/persist_data.py b/lib/bb/persist_data.py index de8f87a8b..7357ab2d4 100644 --- a/lib/bb/persist_data.py +++ b/lib/bb/persist_data.py @@ -179,6 +179,9 @@ class SQLTable(collections.MutableMapping): elif not isinstance(value, str): raise TypeError('Only string values are supported') + # Ensure the entire transaction (including SELECT) executes under write lock + cursor.execute("BEGIN EXCLUSIVE") + cursor.execute("SELECT * from %s where key=?;" % self.table, [key]) row = cursor.fetchone() if row is not None: |