- fix unique constraint parsing for sqlite -- may return '' for name, however

diff --git a/lib/sqlalchemy/dialects/sqlite/base.py b/lib/sqlalchemy/dialects/sqlite/base.py
index ccd7f253958f3347f540efb153b205752e8a4fdd..30d8a6ea3367a134db9ea567f6d602247ce05a07 100644 (file)
--- a/lib/sqlalchemy/dialects/sqlite/base.py
+++ b/lib/sqlalchemy/dialects/sqlite/base.py
@@ -1173,7 +1173,7 @@ class SQLiteDialect(default.DefaultDialect):
             return []
         table_data = row[0]
 
-        UNIQUE_PATTERN = 'CONSTRAINT (\w+) UNIQUE \(([^\)]+)\)'
+        UNIQUE_PATTERN = '(?:CONSTRAINT (\w+) )?UNIQUE \(([^\)]+)\)'
         return [
             {'name': name,
              'column_names': [col.strip(' "') for col in cols.split(',')]}