diff options
Diffstat (limited to 'lib/sqlalchemy/sql/crud.py')
| -rw-r--r-- | lib/sqlalchemy/sql/crud.py | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/crud.py b/lib/sqlalchemy/sql/crud.py index cc72073ca..6c9b8ee5b 100644 --- a/lib/sqlalchemy/sql/crud.py +++ b/lib/sqlalchemy/sql/crud.py @@ -409,7 +409,12 @@ def _append_param_parameter( compiler.returning.append(c) value = compiler.process(value.self_group(), **kw) else: - compiler.postfetch.append(c) + # postfetch specifically means, "we can SELECT the row we just + # inserted by primary key to get back the server generated + # defaults". so by definition this can't be used to get the primary + # key value back, because we need to have it ahead of time. + if not c.primary_key: + compiler.postfetch.append(c) value = compiler.process(value.self_group(), **kw) values.append((c, value)) |