#24630: UUIDField migration
-------------------------------------+-------------------------------------
Reporter: lucacorti | Owner: nobody
Type: Bug | Status: new
Component: Migrations | Version: 1.8
Severity: Normal | Resolution:
Keywords: uuidfiled | Triage Stage:
migrations | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Changes (by lucacorti):
* needs_better_patch: => 0
* needs_tests: => 0
* needs_docs: => 0
Old description:
> As per #23932, I added an UUIDField to a model following the
> documentation at https://docs.djangoproject.com/en/1.8/howto/writing-
> migrations/.
>
> When running the migration I get this error:
>
> {{{
> File "manage.py", line 10, in <module>
> execute_from_command_line(sys.argv)
> File "venv/lib/python2.7/site-
> packages/django/core/management/__init__.py", line 338, in
> execute_from_command_line
> utility.execute()
> File "venv/lib/python2.7/site-
> packages/django/core/management/__init__.py", line 330, in execute
> self.fetch_command(subcommand).run_from_argv(self.argv)
> File "venv/lib/python2.7/site-packages/django/core/management/base.py",
> line 390, in run_from_argv
> self.execute(*args, **cmd_options)
> File "venv/lib/python2.7/site-packages/django/core/management/base.py",
> line 441, in execute
> output = self.handle(*args, **options)
> File "venv/lib/python2.7/site-
> packages/django/core/management/commands/migrate.py", line 221, in handle
> executor.migrate(targets, plan, fake=fake, fake_initial=fake_initial)
> File "venv/lib/python2.7/site-
> packages/django/db/migrations/executor.py", line 110, in migrate
> self.apply_migration(states[migration], migration, fake=fake,
> fake_initial=fake_initial)
> File "venv/lib/python2.7/site-
> packages/django/db/migrations/executor.py", line 147, in apply_migration
> state = migration.apply(state, schema_editor)
> File "venv/lib/python2.7/site-
> packages/django/db/migrations/migration.py", line 115, in apply
> operation.database_forwards(self.app_label, schema_editor, old_state,
> project_state)
> File "venv/lib/python2.7/site-
> packages/django/db/migrations/operations/fields.py", line 201, in
> database_forwards
> schema_editor.alter_field(from_model, from_field, to_field)
> File "venv/lib/python2.7/site-
> packages/django/db/backends/base/schema.py", line 484, in alter_field
> old_db_params, new_db_params, strict)
> File "venv/lib/python2.7/site-
> packages/django/db/backends/base/schema.py", line 637, in _alter_field
> params,
> File "venv/lib/python2.7/site-
> packages/django/db/backends/base/schema.py", line 107, in execute
> cursor.execute(sql, params)
> File "venv/lib/python2.7/site-packages/django/db/backends/utils.py",
> line 79, in execute
> return super(CursorDebugWrapper, self).execute(sql, params)
> File "venv/lib/python2.7/site-packages/django/db/backends/utils.py",
> line 64, in execute
> return self.cursor.execute(sql, params)
> File "venv/lib/python2.7/site-packages/django/db/utils.py", line 97, in
> __exit__
> six.reraise(dj_exc_type, dj_exc_value, traceback)
> File "venv/lib/python2.7/site-packages/django/db/backends/utils.py",
> line 64, in execute
> return self.cursor.execute(sql, params)
> django.db.utils.OperationalError: cannot ALTER TABLE "mytable" because it
> has pending trigger events
> }}}
New description:
As per #23932, I added an UUIDField to a model following the documentation
at https://docs.djangoproject.com/en/1.8/howto/writing-migrations/. The
database is PostgreSQL.
When running the migration I get this error:
{{{
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "venv/lib/python2.7/site-
packages/django/core/management/__init__.py", line 338, in
execute_from_command_line
utility.execute()
File "venv/lib/python2.7/site-
packages/django/core/management/__init__.py", line 330, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "venv/lib/python2.7/site-packages/django/core/management/base.py",
line 390, in run_from_argv
self.execute(*args, **cmd_options)
File "venv/lib/python2.7/site-packages/django/core/management/base.py",
line 441, in execute
output = self.handle(*args, **options)
File "venv/lib/python2.7/site-
packages/django/core/management/commands/migrate.py", line 221, in handle
executor.migrate(targets, plan, fake=fake, fake_initial=fake_initial)
File "venv/lib/python2.7/site-
packages/django/db/migrations/executor.py", line 110, in migrate
self.apply_migration(states[migration], migration, fake=fake,
fake_initial=fake_initial)
File "venv/lib/python2.7/site-
packages/django/db/migrations/executor.py", line 147, in apply_migration
state = migration.apply(state, schema_editor)
File "venv/lib/python2.7/site-
packages/django/db/migrations/migration.py", line 115, in apply
operation.database_forwards(self.app_label, schema_editor, old_state,
project_state)
File "venv/lib/python2.7/site-
packages/django/db/migrations/operations/fields.py", line 201, in
database_forwards
schema_editor.alter_field(from_model, from_field, to_field)
File "venv/lib/python2.7/site-
packages/django/db/backends/base/schema.py", line 484, in alter_field
old_db_params, new_db_params, strict)
File "venv/lib/python2.7/site-
packages/django/db/backends/base/schema.py", line 637, in _alter_field
params,
File "venv/lib/python2.7/site-
packages/django/db/backends/base/schema.py", line 107, in execute
cursor.execute(sql, params)
File "venv/lib/python2.7/site-packages/django/db/backends/utils.py",
line 79, in execute
return super(CursorDebugWrapper, self).execute(sql, params)
File "venv/lib/python2.7/site-packages/django/db/backends/utils.py",
line 64, in execute
return self.cursor.execute(sql, params)
File "venv/lib/python2.7/site-packages/django/db/utils.py", line 97, in
__exit__
six.reraise(dj_exc_type, dj_exc_value, traceback)
File "venv/lib/python2.7/site-packages/django/db/backends/utils.py",
line 64, in execute
return self.cursor.execute(sql, params)
django.db.utils.OperationalError: cannot ALTER TABLE "mytable" because it
has pending trigger events
}}}
--
--
Ticket URL: <https://code.djangoproject.com/ticket/24630#comment:1>
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