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Diffstat (limited to 'alembic/autogenerate/render.py')
| -rw-r--r-- | alembic/autogenerate/render.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/alembic/autogenerate/render.py b/alembic/autogenerate/render.py index 53c714d..b89227a 100644 --- a/alembic/autogenerate/render.py +++ b/alembic/autogenerate/render.py @@ -323,6 +323,9 @@ def _render_primary_key(constraint, autogen_context): if rendered is not False: return rendered + if not constraint.columns: + return None + opts = [] if constraint.name: opts.append(("name", repr(constraint.name))) |