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Fixed #26682 -- Added support for Oracle identity columns.

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Thanks Shai Berger and Tim Graham for reviews.
This commit is contained in:
Mariusz Felisiak 2017-06-01 11:49:57 +02:00
parent cde31daf88
commit 924a89e135
6 changed files with 168 additions and 79 deletions
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46
tests/schema/tests.py
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@ -10,9 +10,9 @@ from django.db import (
from django.db.models import Model
from django.db.models.deletion import CASCADE, PROTECT
from django.db.models.fields import (
AutoField, BigIntegerField, BinaryField, BooleanField, CharField,
DateField, DateTimeField, IntegerField, PositiveIntegerField, SlugField,
TextField, TimeField,
AutoField, BigAutoField, BigIntegerField, BinaryField, BooleanField,
CharField, DateField, DateTimeField, IntegerField, PositiveIntegerField,
SlugField, TextField, TimeField,
)
from django.db.models.fields.related import (
ForeignKey, ForeignObject, ManyToManyField, OneToOneField,
@ -532,6 +532,30 @@ class SchemaTests(TransactionTestCase):
self.assertEqual(columns['name'][0], "TextField")
self.assertEqual(bool(columns['name'][1][6]), bool(connection.features.interprets_empty_strings_as_nulls))
def test_alter_auto_field_to_integer_field(self):
# Create the table
with connection.schema_editor() as editor:
editor.create_model(Author)
# Change AutoField to IntegerField
old_field = Author._meta.get_field('id')
new_field = IntegerField(primary_key=True)
new_field.set_attributes_from_name('id')
new_field.model = Author
with connection.schema_editor() as editor:
editor.alter_field(Author, old_field, new_field, strict=True)
def test_alter_auto_field_to_char_field(self):
# Create the table
with connection.schema_editor() as editor:
editor.create_model(Author)
# Change AutoField to CharField
old_field = Author._meta.get_field('id')
new_field = CharField(primary_key=True, max_length=50)
new_field.set_attributes_from_name('id')
new_field.model = Author
with connection.schema_editor() as editor:
editor.alter_field(Author, old_field, new_field, strict=True)
def test_alter_text_field(self):
# Regression for "BLOB/TEXT column 'info' can't have a default value")
# on MySQL.
@ -1003,6 +1027,22 @@ class SchemaTests(TransactionTestCase):
with connection.schema_editor() as editor:
editor.alter_field(IntegerPK, old_field, new_field, strict=True)
def test_alter_int_pk_to_bigautofield_pk(self):
"""
Should be able to rename an IntegerField(primary_key=True) to
BigAutoField(primary_key=True).
"""
with connection.schema_editor() as editor:
editor.create_model(IntegerPK)
old_field = IntegerPK._meta.get_field('i')
new_field = BigAutoField(primary_key=True)
new_field.model = IntegerPK
new_field.set_attributes_from_name('i')
with connection.schema_editor() as editor:
editor.alter_field(IntegerPK, old_field, new_field, strict=True)
def test_alter_int_pk_to_int_unique(self):
"""
Should be able to rename an IntegerField(primary_key=True) to