#35997: Migrations crash on constraints/indexes with CompositePrimaryKey in
fields.
-------------------------------------+-------------------------------------
Reporter: Mariusz | Owner: Mariusz Felisiak
Felisiak |
Type: Bug | Status: assigned
Component: Database | Version: dev
layer (models, ORM) |
Severity: Release | Keywords:
blocker |
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
-------------------------------------+-------------------------------------
I've created a sample project that tries to add `UniqueConstraint` with a
`CompositePrimaryKey` in `fields`. Unfortunately, it crashes when trying
to migrate:
{{{
...
File "/django/db/backends/base/schema.py", line 509, in create_model
sql, params = self.table_sql(model)
^^^^^^^^^^^^^^^^^^^^^
File "/django/db/backends/base/schema.py", line 283, in table_sql
constraint_sqls.extend(
File "/django/db/backends/base/schema.py", line 284, in <genexpr>
constraint.constraint_sql(model, self)
File "/django/db/models/constraints.py", line 512, in constraint_sql
return schema_editor._unique_sql(
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/django/db/backends/base/schema.py", line 1839, in _unique_sql
"columns": ", ".join([self.quote_name(field.column) for field in
fields]),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/django/db/backends/base/schema.py", line 207, in quote_name
return self.connection.ops.quote_name(name)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/django/db/backends/postgresql/operations.py", line 190, in
quote_name
if name.startswith('"') and name.endswith('"'):
^^^^^^^^^^^^^^^
AttributeError: 'NoneType' object has no attribute 'startswith'
}}}
It's similar to the #35992 but fix is in a completely different place so I
decided to create a separate ticket.
Bug in 978aae4334fa71ba78a3e94408f0f3aebde8d07c
--
Ticket URL: <https://code.djangoproject.com/ticket/35997>
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