async def forwards():
manager = MigrationManager(migration_id=ID,
app_name="music",
description=DESCRIPTION)
manager.add_column(
table_class_name="Ticket",
tablename="ticket",
column_name="concert",
column_class_name="ForeignKey",
column_class=ForeignKey,
params={
"references": Concert,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"null": True,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
return manager
def test_add_non_nullable_column(self):
"""
Test adding a non nullable column to a MigrationManager.
Need to handle it gracefully if rows already exist.
"""
self.run_sync("INSERT INTO manager VALUES (default, 'Dave');")
manager = MigrationManager()
manager.add_column(
table_class_name="Manager",
tablename="manager",
column_name="email",
column_class_name="Varchar",
params={
"length": 100,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": True,
"index": False,
},
)
asyncio.run(manager.run())
def test_alter_column(self):
"""
Test altering columns.
"""
manager_1 = MigrationManager()
manager_1.add_table(class_name="Manager", tablename="manager")
manager_1.add_column(
table_class_name="Manager",
tablename="manager",
column_name="name",
column_class_name="Varchar",
params={"length": 100},
)
manager_2 = MigrationManager()
manager_2.alter_column(
table_class_name="Manager",
tablename="manager",
column_name="name",
params={"unique": True},
old_params={"unique": False},
)
schema_snapshot = SchemaSnapshot(managers=[manager_1, manager_2])
snapshot = schema_snapshot.get_snapshot()
self.assertTrue(snapshot[0].columns[0]._meta.unique)
def test_add_column_with_index(self):
"""
Test adding a column with an index to a MigrationManager.
"""
manager = MigrationManager()
manager.add_column(
table_class_name="Manager",
tablename="manager",
column_name="email",
column_class_name="Varchar",
params={
"length": 100,
"default": "",
"null": True,
"primary": False,
"key": False,
"unique": True,
"index": True,
},
)
index_name = Manager._get_index_name(["email"])
asyncio.run(manager.run())
self.assertTrue(index_name in Manager.indexes().run_sync())
# Reverse
asyncio.run(manager.run_backwards())
self.assertTrue(index_name not in Manager.indexes().run_sync())
def test_add_column(self):
"""
Test adding a column to a MigrationManager.
"""
manager = MigrationManager()
manager.add_column(
table_class_name="Manager",
tablename="manager",
column_name="email",
column_class_name="Varchar",
params={
"length": 100,
"default": "",
"null": True,
"primary": False,
"key": False,
"unique": True,
"index": False,
},
)
asyncio.run(manager.run())
self.run_sync(
"INSERT INTO manager VALUES (default, 'Dave', '*****@*****.**');"
)
response = self.run_sync("SELECT * FROM manager;")
self.assertEqual(
response, [{"id": 1, "name": "Dave", "email": "*****@*****.**"}]
)
# Reverse
asyncio.run(manager.run_backwards())
response = self.run_sync("SELECT * FROM manager;")
self.assertEqual(response, [{"id": 1, "name": "Dave"}])
def test_add_foreign_key_self_column(self):
"""
Test adding a ForeignKey column to a MigrationManager, with a
references argument of 'self'.
"""
manager = MigrationManager()
manager.add_column(
table_class_name="Manager",
tablename="manager",
column_name="advisor",
column_class=ForeignKey,
column_class_name="ForeignKey",
params={
"references": "self",
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
asyncio.run(manager.run())
self.run_sync("INSERT INTO manager VALUES (default, 'Alice', null);")
self.run_sync("INSERT INTO manager VALUES (default, 'Dave', 1);")
response = self.run_sync("SELECT * FROM manager;")
self.assertEqual(
response,
[
{"id": 1, "name": "Alice", "advisor": None},
{"id": 2, "name": "Dave", "advisor": 1},
],
)
# Reverse
asyncio.run(manager.run_backwards())
response = self.run_sync("SELECT * FROM manager;")
self.assertEqual(
response, [{"id": 1, "name": "Alice"}, {"id": 2, "name": "Dave"}],
)
def test_add_column(self):
"""
Test adding columns.
"""
manager = MigrationManager()
manager.add_table(class_name="Manager", tablename="manager")
manager.add_column(
table_class_name="Manager",
tablename="manager",
column_name="name",
column_class_name="Varchar",
params={"length": 100},
)
schema_snapshot = SchemaSnapshot(managers=[manager])
snapshot = schema_snapshot.get_snapshot()
self.assertTrue(len(snapshot) == 1)
self.assertTrue(len(snapshot[0].columns) == 1)
async def forwards():
manager = MigrationManager(migration_id=ID)
manager.add_table("Band", tablename="band")
manager.add_column(
table_class_name="Band",
tablename="band",
column_name="name",
column_class_name="Varchar",
params={
"length": 150,
"default": "",
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
return manager
async def forwards():
manager = MigrationManager(migration_id=ID, app_name="questions")
manager.add_column(
table_class_name="Category",
tablename="category",
column_name="slug",
column_class_name="Varchar",
params={
"length": 200,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
return manager
async def forwards():
manager = MigrationManager(migration_id=ID, app_name="music")
manager.add_table("Poster", tablename="poster")
manager.add_column(
table_class_name="Poster",
tablename="poster",
column_name="content",
column_class_name="Text",
params={
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
return manager
async def forwards():
manager = MigrationManager(migration_id=ID, app_name="token_auth")
manager.add_table("TokenAuth", tablename="token_auth")
manager.add_column(
table_class_name="TokenAuth",
tablename="token_auth",
column_name="token",
column_class_name="Varchar",
params={
"length": 255,
"default": generate_token,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="TokenAuth",
tablename="token_auth",
column_name="user",
column_class_name="ForeignKey",
params={
"references": BaseUser,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
return manager
def test_rename_column(self):
"""
Test renaming columns.
"""
manager_1 = MigrationManager()
manager_1.add_table(class_name="Manager", tablename="manager")
manager_1.add_column(
table_class_name="Manager",
tablename="manager",
column_name="name",
column_class_name="Varchar",
params={"length": 100},
)
manager_2 = MigrationManager()
manager_2.rename_column(
table_class_name="Manager",
tablename="manager",
old_column_name="name",
new_column_name="title",
)
schema_snapshot = SchemaSnapshot(managers=[manager_1, manager_2])
snapshot = schema_snapshot.get_snapshot()
self.assertTrue(snapshot[0].columns[0]._meta.name == "title")
# Make sure double renames still work
manager_3 = MigrationManager()
manager_3.rename_column(
table_class_name="Manager",
tablename="manager",
old_column_name="title",
new_column_name="label",
)
schema_snapshot = SchemaSnapshot(
managers=[manager_1, manager_2, manager_3]
)
snapshot = schema_snapshot.get_snapshot()
self.assertTrue(snapshot[0].columns[0]._meta.name == "label")
def test_drop_column(self):
"""
Test dropping columns.
"""
manager_1 = MigrationManager()
manager_1.add_table(class_name="Manager", tablename="manager")
manager_1.add_column(
table_class_name="Manager",
tablename="manager",
column_name="name",
column_class_name="Varchar",
params={"length": 100},
)
manager_2 = MigrationManager()
manager_2.drop_column(
table_class_name="Manager", tablename="manager", column_name="name"
)
schema_snapshot = SchemaSnapshot(managers=[manager_1, manager_2])
snapshot = schema_snapshot.get_snapshot()
self.assertEqual(len(snapshot[0].columns), 0)
async def forwards():
manager = MigrationManager(migration_id=ID, app_name="user")
manager.add_column(
table_class_name="BaseUser",
tablename="piccolo_user",
column_name="superuser",
column_class_name="Boolean",
column_class=Boolean,
params={
"default": False,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
},
)
manager.add_column(
table_class_name="BaseUser",
tablename="piccolo_user",
column_name="last_login",
column_class_name="Timestamp",
column_class=Timestamp,
params={
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
},
)
return manager
async def forwards():
manager = MigrationManager(migration_id=ID, app_name="home")
manager.add_table("Task", tablename="task")
manager.add_column(
table_class_name="Task",
tablename="task",
column_name="name",
column_class_name="Varchar",
params={
"length": 255,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Task",
tablename="task",
column_name="completed",
column_class_name="Boolean",
params={
"default": False,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
return manager
async def forwards():
manager = MigrationManager(migration_id=ID, app_name="forum")
manager.add_table("Category", tablename="category")
manager.add_column(
table_class_name="Category",
tablename="category",
column_name="name",
column_class_name="Varchar",
params={
"length": 255,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Category",
tablename="category",
column_name="description",
column_class_name="Text",
params={
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
return manager
async def forwards():
manager = MigrationManager(migration_id=ID, app_name="user")
manager.add_column(
table_class_name="BaseUser",
tablename="piccolo_user",
column_name="first_name",
column_class_name="Varchar",
params={
"length": 255,
"default": "",
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="BaseUser",
tablename="piccolo_user",
column_name="last_name",
column_class_name="Varchar",
params={
"length": 255,
"default": "",
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
return manager
async def forwards():
manager = MigrationManager(migration_id=ID, app_name="questions")
manager.add_table("Answer", tablename="answer")
manager.add_column(
table_class_name="Answer",
tablename="answer",
column_name="content",
column_class_name="Text",
params={
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Answer",
tablename="answer",
column_name="created_at",
column_class_name="Timestamp",
params={
"default": TimestampNow(),
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Answer",
tablename="answer",
column_name="answer_like",
column_class_name="Integer",
params={
"default": 0,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Answer",
tablename="answer",
column_name="is_accepted_answer",
column_class_name="Boolean",
params={
"default": False,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Answer",
tablename="answer",
column_name="ans_user",
column_class_name="ForeignKey",
params={
"references": User,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Answer",
tablename="answer",
column_name="question",
column_class_name="ForeignKey",
params={
"references": Question,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
return manager
async def forwards():
manager = MigrationManager(migration_id=ID, app_name="ads")
manager.add_table("Ad", tablename="ad")
manager.add_column(
table_class_name="Ad",
tablename="ad",
column_name="title",
column_class_name="Varchar",
params={
"length": 255,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Ad",
tablename="ad",
column_name="slug",
column_class_name="Varchar",
params={
"length": 255,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Ad",
tablename="ad",
column_name="content",
column_class_name="Text",
params={
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Ad",
tablename="ad",
column_name="created",
column_class_name="Timestamp",
params={
"default": TimestampNow(),
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Ad",
tablename="ad",
column_name="view",
column_class_name="Integer",
params={
"default": 0,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Ad",
tablename="ad",
column_name="price",
column_class_name="Integer",
params={
"default": 0,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Ad",
tablename="ad",
column_name="room",
column_class_name="Integer",
params={
"default": 0,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Ad",
tablename="ad",
column_name="visitor",
column_class_name="Integer",
params={
"default": 0,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Ad",
tablename="ad",
column_name="address",
column_class_name="Varchar",
params={
"length": 255,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Ad",
tablename="ad",
column_name="city",
column_class_name="Varchar",
params={
"length": 255,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Ad",
tablename="ad",
column_name="ad_user",
column_class_name="ForeignKey",
params={
"references": User,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
return manager
async def forwards():
manager = MigrationManager(migration_id=ID, app_name="music")
manager.add_table("Shirt", tablename="shirt")
manager.add_table("RecordingStudio", tablename="recording_studio")
manager.add_column(
table_class_name="Shirt",
tablename="shirt",
column_name="size",
column_class_name="Varchar",
column_class=Varchar,
params={
"length": 1,
"default": "l",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": Enum("Size", {
"small": "s",
"medium": "m",
"large": "l"
}),
},
)
manager.add_column(
table_class_name="RecordingStudio",
tablename="recording_studio",
column_name="facilities",
column_class_name="JSON",
column_class=JSON,
params={
"default": "{}",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="RecordingStudio",
tablename="recording_studio",
column_name="facilities_b",
column_class_name="JSONB",
column_class=JSONB,
params={
"default": "{}",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
return manager
async def forwards():
manager = MigrationManager(migration_id=ID)
manager.add_table("SessionsBase", tablename="sessions")
manager.add_column(
table_class_name="SessionsBase",
tablename="sessions",
column_name="token",
column_class_name="Varchar",
params={
"length": 100,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="SessionsBase",
tablename="sessions",
column_name="user_id",
column_class_name="Integer",
params={
"default": 0,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="SessionsBase",
tablename="sessions",
column_name="expiry_date",
column_class_name="Timestamp",
params={
"default": TimestampOffset(hours=1),
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="SessionsBase",
tablename="sessions",
column_name="max_expiry_date",
column_class_name="Timestamp",
params={
"default": TimestampOffset(days=7),
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
return manager
async def forwards():
manager = MigrationManager(migration_id=ID, app_name="ads")
manager.add_table("Rent", tablename="rent")
manager.add_table("Image", tablename="image")
manager.add_table("Review", tablename="review")
manager.add_table("Notification", tablename="notification")
manager.add_column(
table_class_name="Rent",
tablename="rent",
column_name="start_date",
column_class_name="Timestamp",
params={
"default": TimestampNow(),
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Rent",
tablename="rent",
column_name="end_date",
column_class_name="Timestamp",
params={
"default": TimestampNow(),
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Rent",
tablename="rent",
column_name="client",
column_class_name="ForeignKey",
params={
"references": User,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Rent",
tablename="rent",
column_name="ad_rent",
column_class_name="ForeignKey",
params={
"references": Ad,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Image",
tablename="image",
column_name="path",
column_class_name="Varchar",
params={
"length": 255,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Image",
tablename="image",
column_name="ad_image",
column_class_name="ForeignKey",
params={
"references": Ad,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Review",
tablename="review",
column_name="content",
column_class_name="Text",
params={
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Review",
tablename="review",
column_name="created",
column_class_name="Timestamp",
params={
"default": TimestampNow(),
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Review",
tablename="review",
column_name="review_grade",
column_class_name="Integer",
params={
"default": 0,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Review",
tablename="review",
column_name="review_user",
column_class_name="ForeignKey",
params={
"references": User,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Review",
tablename="review",
column_name="ad",
column_class_name="ForeignKey",
params={
"references": Ad,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Notification",
tablename="notification",
column_name="message",
column_class_name="Varchar",
params={
"length": 150,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Notification",
tablename="notification",
column_name="created",
column_class_name="Timestamp",
params={
"default": TimestampNow(),
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Notification",
tablename="notification",
column_name="is_read",
column_class_name="Boolean",
params={
"default": False,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Notification",
tablename="notification",
column_name="sender",
column_class_name="ForeignKey",
params={
"references": User,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Notification",
tablename="notification",
column_name="recipient",
column_class_name="ForeignKey",
params={
"references": User,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
return manager
async def forwards():
manager = MigrationManager(migration_id=ID)
manager.add_table("BaseUser", tablename="piccolo_user")
manager.add_column(
table_class_name="BaseUser",
tablename="piccolo_user",
column_name="username",
column_class_name="Varchar",
params={
"length": 100,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": True,
"index": False,
},
)
manager.add_column(
table_class_name="BaseUser",
tablename="piccolo_user",
column_name="password",
column_class_name="Secret",
params={
"length": 255,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="BaseUser",
tablename="piccolo_user",
column_name="email",
column_class_name="Varchar",
params={
"length": 255,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": True,
"index": False,
},
)
manager.add_column(
table_class_name="BaseUser",
tablename="piccolo_user",
column_name="active",
column_class_name="Boolean",
params={
"default": False,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="BaseUser",
tablename="piccolo_user",
column_name="admin",
column_class_name="Boolean",
params={
"default": False,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
return manager
async def forwards():
manager = MigrationManager(migration_id=ID, app_name="forum")
manager.add_table("Topic", tablename="topic")
manager.add_column(
table_class_name="Topic",
tablename="topic",
column_name="title",
column_class_name="Varchar",
params={
"length": 255,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Topic",
tablename="topic",
column_name="description",
column_class_name="Text",
params={
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Topic",
tablename="topic",
column_name="created",
column_class_name="Timestamp",
params={
"default": TimestampNow(),
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Topic",
tablename="topic",
column_name="category",
column_class_name="ForeignKey",
params={
"references": Category,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Topic",
tablename="topic",
column_name="topic_user",
column_class_name="ForeignKey",
params={
"references": BaseUser,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
return manager
async def forwards():
manager = MigrationManager(migration_id=ID, app_name="music")
manager.add_table("Band", tablename="band")
manager.add_table("Manager", tablename="manager")
manager.add_column(
table_class_name="Band",
tablename="band",
column_name="name",
column_class_name="Varchar",
params={
"length": 50,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Band",
tablename="band",
column_name="manager",
column_class_name="ForeignKey",
params={
"references": Manager,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Band",
tablename="band",
column_name="popularity",
column_class_name="Integer",
params={
"default": 0,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Manager",
tablename="manager",
column_name="name",
column_class_name="Varchar",
params={
"length": 50,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
return manager
async def forwards():
manager = MigrationManager(migration_id=ID, app_name="example_app")
manager.add_table("Ticket", tablename="ticket")
manager.add_table("Venue", tablename="venue")
manager.add_table("Concert", tablename="concert")
manager.add_column(
table_class_name="Ticket",
tablename="ticket",
column_name="price",
column_class_name="Numeric",
params={
"default": Decimal("0"),
"digits": (5, 2),
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Concert",
tablename="concert",
column_name="band_1",
column_class_name="ForeignKey",
params={
"references": Band,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Concert",
tablename="concert",
column_name="band_2",
column_class_name="ForeignKey",
params={
"references": Band,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Concert",
tablename="concert",
column_name="venue",
column_class_name="ForeignKey",
params={
"references": Venue,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Venue",
tablename="venue",
column_name="name",
column_class_name="Varchar",
params={
"length": 100,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Venue",
tablename="venue",
column_name="capacity",
column_class_name="Integer",
params={
"default": 0,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
return manager
async def forwards():
manager = MigrationManager(
migration_id=ID, app_name="mega", description=DESCRIPTION
)
manager.add_table("MegaTable", tablename="mega_table")
manager.add_table("SmallTable", tablename="small_table")
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="bigint_col",
column_class_name="BigInt",
column_class=BigInt,
params={
"default": 0,
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="boolean_col",
column_class_name="Boolean",
column_class=Boolean,
params={
"default": False,
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="bytea_col",
column_class_name="Bytea",
column_class=Bytea,
params={
"default": b"",
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="date_col",
column_class_name="Date",
column_class=Date,
params={
"default": DateNow(),
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="foreignkey_col",
column_class_name="ForeignKey",
column_class=ForeignKey,
params={
"references": SmallTable,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"null": True,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="integer_col",
column_class_name="Integer",
column_class=Integer,
params={
"default": 0,
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="interval_col",
column_class_name="Interval",
column_class=Interval,
params={
"default": IntervalCustom(
weeks=0,
days=0,
hours=0,
minutes=0,
seconds=0,
milliseconds=0,
microseconds=0,
),
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="json_col",
column_class_name="JSON",
column_class=JSON,
params={
"default": "{}",
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="jsonb_col",
column_class_name="JSONB",
column_class=JSONB,
params={
"default": "{}",
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="numeric_col",
column_class_name="Numeric",
column_class=Numeric,
params={
"default": Decimal("0"),
"digits": (5, 2),
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="real_col",
column_class_name="Real",
column_class=Real,
params={
"default": 0.0,
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="double_precision_col",
column_class_name="DoublePrecision",
column_class=DoublePrecision,
params={
"default": 0.0,
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="smallint_col",
column_class_name="SmallInt",
column_class=SmallInt,
params={
"default": 0,
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="text_col",
column_class_name="Text",
column_class=Text,
params={
"default": "",
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="timestamp_col",
column_class_name="Timestamp",
column_class=Timestamp,
params={
"default": TimestampNow(),
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="timestamptz_col",
column_class_name="Timestamptz",
column_class=Timestamptz,
params={
"default": TimestamptzNow(),
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="uuid_col",
column_class_name="UUID",
column_class=UUID,
params={
"default": UUID4(),
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="varchar_col",
column_class_name="Varchar",
column_class=Varchar,
params={
"length": 255,
"default": "",
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="unique_col",
column_class_name="Varchar",
column_class=Varchar,
params={
"length": 255,
"default": "",
"null": False,
"primary_key": False,
"unique": True,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="null_col",
column_class_name="Varchar",
column_class=Varchar,
params={
"length": 255,
"default": "",
"null": True,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="MegaTable",
tablename="mega_table",
column_name="not_null_col",
column_class_name="Varchar",
column_class=Varchar,
params={
"length": 255,
"default": "",
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
manager.add_column(
table_class_name="SmallTable",
tablename="small_table",
column_name="varchar_col",
column_class_name="Varchar",
column_class=Varchar,
params={
"length": 255,
"default": "",
"null": False,
"primary_key": False,
"unique": False,
"index": False,
"index_method": IndexMethod.btree,
"choices": None,
},
)
return manager
async def forwards():
manager = MigrationManager(migration_id=ID, app_name="questions")
manager.add_table("Question", tablename="question")
manager.add_column(
table_class_name="Question",
tablename="question",
column_name="title",
column_class_name="Varchar",
params={
"length": 200,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Question",
tablename="question",
column_name="slug",
column_class_name="Varchar",
params={
"length": 200,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Question",
tablename="question",
column_name="description",
column_class_name="Text",
params={
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Question",
tablename="question",
column_name="created_at",
column_class_name="Timestamp",
params={
"default": TimestampNow(),
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Question",
tablename="question",
column_name="view",
column_class_name="Integer",
params={
"default": 0,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Question",
tablename="question",
column_name="question_like",
column_class_name="Integer",
params={
"default": 0,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Question",
tablename="question",
column_name="accepted_answer",
column_class_name="Boolean",
params={
"default": False,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Question",
tablename="question",
column_name="user",
column_class_name="ForeignKey",
params={
"references": User,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Question",
tablename="question",
column_name="category",
column_class_name="ForeignKey",
params={
"references": Category,
"on_delete": OnDelete.cascade,
"on_update": OnUpdate.cascade,
"default": None,
"null": True,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
return manager
async def forwards():
manager = MigrationManager(migration_id=ID, app_name="blog")
manager.add_table("Post", tablename="post")
manager.add_column(
table_class_name="Post",
tablename="post",
column_name="title",
column_class_name="Varchar",
params={
"length": 255,
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Post",
tablename="post",
column_name="content",
column_class_name="Text",
params={
"default": "",
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Post",
tablename="post",
column_name="published",
column_class_name="Boolean",
params={
"default": False,
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
manager.add_column(
table_class_name="Post",
tablename="post",
column_name="created_on",
column_class_name="Timestamp",
params={
"default": TimestampNow(),
"null": False,
"primary": False,
"key": False,
"unique": False,
"index": False,
},
)
return manager