When trying to start a migration, it displays the error:
(env) achi996@achi996:~/Desktop/rpractice1/choco$ ./manage.py migrate Operations to perform: Apply all migrations: account, admin, auth, authtoken, cart, categories, contenttypes, products, sessions, sites Running migrations: Applying cart.0002_auto_20190302_2236... OK Applying products.0004_product_owner...Traceback (most recent call last): File "./manage.py", line 15, in <module> execute_from_command_line(sys.argv) File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line utility.execute() File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/core/management/__init__.py", line 375, in execute self.fetch_command(subcommand).run_from_argv(self.argv) File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/core/management/base.py", line 316, in run_from_argv self.execute(*args, **cmd_options) File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/core/management/base.py", line 353, in execute output = self.handle(*args, **options) File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/core/management/base.py", line 83, in wrapped res = handle_func(*args, **kwargs) File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/core/management/commands/migrate.py", line 203, in handle fake_initial=fake_initial, File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/db/migrations/executor.py", line 117, in migrate state = self._migrate_all_forwards(state, plan, full_plan, fake=fake, fake_initial=fake_initial) File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/db/migrations/executor.py", line 147, in _migrate_all_forwards state = self.apply_migration(state, migration, fake=fake, fake_initial=fake_initial) File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/db/migrations/executor.py", line 244, in apply_migration state = migration.apply(state, schema_editor) File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/db/migrations/migration.py", line 124, in apply operation.database_forwards(self.app_label, schema_editor, old_state, project_state) File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/db/migrations/operations/fields.py", line 84, in database_forwards field, File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/db/backends/base/schema.py", line 421, in add_field definition, params = self.column_sql(model, field, include_default=True) File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/db/backends/base/schema.py", line 168, in column_sql default_value = self.effective_default(field) File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/db/backends/base/schema.py", line 239, in effective_default return field.get_db_prep_save(default, self.connection) File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/db/models/fields/related.py", line 937, in get_db_prep_save return self.target_field.get_db_prep_save(value, connection=connection) File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/db/models/fields/__init__.py", line 790, in get_db_prep_save return self.get_db_prep_value(value, connection=connection, prepared=False) File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/db/models/fields/__init__.py", line 956, in get_db_prep_value value = self.get_prep_value(value) File "/home/achi996/Desktop/rpractice1/env/lib/python3.6/site-packages/django/db/models/fields/__init__.py", line 965, in get_prep_value return int(value) TypeError: int() argument must be a string, a bytes-like object or a number, not 'list' Here is my model:
from django.contrib.auth import get_user_model from django.db import models from django.contrib.postgres.fields import ArrayField from decimal import Decimal User = get_user_model() class Order(models.Model): DELIVERY_CHOICES = ( ('FDX', 'FEDEX'), ('DHL', 'DHL'), ('CDEK', 'CDEK'), ('KGP', 'KyrgyzPochta'), ) PAYMENT_CHOICES = ( ('VS', 'VISA'), ('MC', 'MasterCard'), ('UP', 'UnionPay'), ('PP', 'PayPal'), ) date = models.DateTimeField(auto_now_add=True) products = ArrayField(models.CharField(max_length=50)) quantities = models.PositiveIntegerField() total_price = models.DecimalField(max_digits=10, decimal_places=2, default=Decimal('0.00')) delivery_method = models.CharField(max_length=30, choices=DELIVERY_CHOICES, default='') payment_method = models.CharField(max_length=30, choices=PAYMENT_CHOICES, default='') owner = models.ForeignKey(User, related_name='orders', on_delete=models.CASCADE) def __str__(self): return self.user.id class Meta: db_table = 'orders' What's my mistake?
