diff options
Diffstat (limited to 'lib/sqlalchemy/dialects/sybase/base.py')
| -rw-r--r-- | lib/sqlalchemy/dialects/sybase/base.py | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/lib/sqlalchemy/dialects/sybase/base.py b/lib/sqlalchemy/dialects/sybase/base.py index ae0473a3e..b3f8e307a 100644 --- a/lib/sqlalchemy/dialects/sybase/base.py +++ b/lib/sqlalchemy/dialects/sybase/base.py @@ -608,8 +608,8 @@ class SybaseDialect(default.DefaultDialect): FROM sysreferences r JOIN sysobjects o on r.tableid = o.id WHERE r.tableid = :table_id """) - referential_constraints = connection.execute(REFCONSTRAINT_SQL, - table_id=table_id) + referential_constraints = connection.execute( + REFCONSTRAINT_SQL, table_id=table_id).fetchall() REFTABLE_SQL = text(""" SELECT o.name AS name, u.name AS 'schema' @@ -740,10 +740,13 @@ class SybaseDialect(default.DefaultDialect): results.close() constrained_columns = [] - for i in range(1, pks["count"] + 1): - constrained_columns.append(pks["pk_%i" % (i,)]) - return {"constrained_columns": constrained_columns, - "name": pks["name"]} + if pks: + for i in range(1, pks["count"] + 1): + constrained_columns.append(pks["pk_%i" % (i,)]) + return {"constrained_columns": constrained_columns, + "name": pks["name"]} + else: + return {"constrained_columns": [], "name": None} @reflection.cache def get_schema_names(self, connection, **kw): |