update README.md

append new line in cp_models

CHANGELOG.md

@@ -2,6 +2,12 @@
 
 ## 0.2
 
+### 0.2.4
+
+- Raise error with SQLite unsupported features.
+- Fix Postgres alter table. (#48)
+- Add `Rename` support.
+
 ### 0.2.3
 
 - Fix tortoise ssl config.

Makefile

@@ -40,10 +40,10 @@ test_sqlite:
 	$(py_warn) TEST_DB=sqlite://:memory: py.test
 
 test_mysql:
-	$(py_warn) TEST_DB="mysql://root:$(MYSQL_PASS)@$(MYSQL_HOST):$(MYSQL_PORT)/test_\{\}" py.test
+	$(py_warn) TEST_DB="mysql://root:$(MYSQL_PASS)@$(MYSQL_HOST):$(MYSQL_PORT)/test_\{\}" pytest -v -s
 
 test_postgres:
-	$(py_warn) TEST_DB="postgres://postgres:$(POSTGRES_PASS)@$(POSTGRES_HOST):$(POSTGRES_PORT)/test_\{\}" py.test
+	$(py_warn) TEST_DB="postgres://postgres:$(POSTGRES_PASS)@$(POSTGRES_HOST):$(POSTGRES_PORT)/test_\{\}" pytest
 
 testall: deps test_sqlite test_postgres test_mysql
 

README.md

@@ -109,7 +109,9 @@ Success migrate 1_202029051520102929_drop_column.json
 ```
 
 Format of migrate filename is
-`{version_num}_{datetime}_{name|update}.json`
+`{version_num}_{datetime}_{name|update}.json`.
+
+And if `aerich` guess you are renaming a column, it will ask `Rename {old_column} to {new_column} [True]`, you can choice `True` to rename column without column drop, or choice `False` to drop column then create.
 
 ### Upgrade to latest version
 

aerich/__init__.py

@@ -1 +1 @@
-__version__ = "0.2.3"
+__version__ = "0.2.4"

aerich/cli.py

@@ -1,9 +1,7 @@
-import functools
 import json
 import os
 import sys
 from configparser import ConfigParser
-from enum import Enum
 
 import asyncclick as click
 from asyncclick import Context, UsageError
@@ -16,28 +14,12 @@ from aerich.migrate import Migrate
 from aerich.utils import get_app_connection, get_app_connection_name, get_tortoise_config
 
 from . import __version__
+from .enums import Color
 from .models import Aerich
 
-
-class Color(str, Enum):
-    green = "green"
-    red = "red"
-    yellow = "yellow"
-
-
 parser = ConfigParser()
 
 
-def close_db(func):
-    @functools.wraps(func)
-    async def close_db_inner(*args, **kwargs):
-        result = await func(*args, **kwargs)
-        await Tortoise.close_connections()
-        return result
-
-    return close_db_inner
-
-
 @click.group(context_settings={"help_option_names": ["-h", "--help"]})
 @click.version_option(__version__, "-V", "--version")
 @click.option(
@@ -81,12 +63,10 @@ async def cli(ctx: Context, config, app, name):
 @cli.command(help="Generate migrate changes file.")
 @click.option("--name", default="update", show_default=True, help="Migrate name.")
 @click.pass_context
-@close_db
 async def migrate(ctx: Context, name):
     config = ctx.obj["config"]
     location = ctx.obj["location"]
     app = ctx.obj["app"]
-
     ret = await Migrate.migrate(name)
     if not ret:
         return click.secho("No changes detected", fg=Color.yellow)
@@ -96,7 +76,6 @@ async def migrate(ctx: Context, name):
 
 @cli.command(help="Upgrade to latest version.")
 @click.pass_context
-@close_db
 async def upgrade(ctx: Context):
     config = ctx.obj["config"]
     app = ctx.obj["app"]
@@ -123,7 +102,6 @@ async def upgrade(ctx: Context):
 
 @cli.command(help="Downgrade to previous version.")
 @click.pass_context
-@close_db
 async def downgrade(ctx: Context):
     app = ctx.obj["app"]
     config = ctx.obj["config"]
@@ -146,7 +124,6 @@ async def downgrade(ctx: Context):
 
 @cli.command(help="Show current available heads in migrate location.")
 @click.pass_context
-@close_db
 async def heads(ctx: Context):
     app = ctx.obj["app"]
     versions = Migrate.get_all_version_files()
@@ -161,7 +138,6 @@ async def heads(ctx: Context):
 
 @cli.command(help="List all migrate items.")
 @click.pass_context
-@close_db
 async def history(ctx: Context):
     versions = Migrate.get_all_version_files()
     for version in versions:
@@ -212,7 +188,6 @@ async def init(
     show_default=True,
 )
 @click.pass_context
-@close_db
 async def init_db(ctx: Context, safe):
     config = ctx.obj["config"]
     location = ctx.obj["location"]

aerich/ddl/__init__.py

@@ -11,6 +11,9 @@ class BaseDDL:
     _DROP_TABLE_TEMPLATE = 'DROP TABLE IF EXISTS "{table_name}"'
     _ADD_COLUMN_TEMPLATE = 'ALTER TABLE "{table_name}" ADD {column}'
     _DROP_COLUMN_TEMPLATE = 'ALTER TABLE "{table_name}" DROP COLUMN "{column_name}"'
+    _RENAME_COLUMN_TEMPLATE = (
+        'ALTER TABLE "{table_name}" RENAME COLUMN "{old_column_name}" TO "{new_column_name}"'
+    )
     _ADD_INDEX_TEMPLATE = (
         'ALTER TABLE "{table_name}" ADD {unique} INDEX "{index_name}" ({column_names})'
     )
@@ -125,6 +128,13 @@ class BaseDDL:
             ),
         )
 
+    def rename_column(self, model: "Type[Model]", old_column_name: str, new_column_name: str):
+        return self._RENAME_COLUMN_TEMPLATE.format(
+            table_name=model._meta.db_table,
+            old_column_name=old_column_name,
+            new_column_name=new_column_name,
+        )
+
     def add_index(self, model: "Type[Model]", field_names: List[str], unique=False):
         return self._ADD_INDEX_TEMPLATE.format(
             unique="UNIQUE" if unique else "",

aerich/ddl/mysql/__init__.py

@@ -9,6 +9,9 @@ class MysqlDDL(BaseDDL):
     _DROP_TABLE_TEMPLATE = "DROP TABLE IF EXISTS `{table_name}`"
     _ADD_COLUMN_TEMPLATE = "ALTER TABLE `{table_name}` ADD {column}"
     _DROP_COLUMN_TEMPLATE = "ALTER TABLE `{table_name}` DROP COLUMN `{column_name}`"
+    _RENAME_COLUMN_TEMPLATE = (
+        "ALTER TABLE `{table_name}` RENAME COLUMN `{old_column_name}` TO `{new_column_name}`"
+    )
     _ADD_INDEX_TEMPLATE = (
         "ALTER TABLE `{table_name}` ADD {unique} INDEX `{index_name}` ({column_names})"
     )

aerich/ddl/sqlite/__init__.py

@@ -1,8 +1,19 @@
+from typing import Type
+
+from tortoise import Model
 from tortoise.backends.sqlite.schema_generator import SqliteSchemaGenerator
+from tortoise.fields import Field
 
 from aerich.ddl import BaseDDL
+from aerich.exceptions import NotSupportError
 
 
 class SqliteDDL(BaseDDL):
     schema_generator_cls = SqliteSchemaGenerator
     DIALECT = SqliteSchemaGenerator.DIALECT
+
+    def drop_column(self, model: "Type[Model]", column_name: str):
+        raise NotSupportError("Drop column is not support in SQLite.")
+
+    def modify_column(self, model: "Type[Model]", field_object: Field):
+        raise NotSupportError("Modify column is not support in SQLite.")

aerich/enums.py

@@ -0,0 +1,7 @@
+from enum import Enum
+
+
+class Color(str, Enum):
+    green = "green"
+    red = "red"
+    yellow = "yellow"

aerich/exceptions.py

@@ -1,6 +1,4 @@
-class ConfigurationError(Exception):
+class NotSupportError(Exception):
     """
-    config error
+    raise when features not support
     """
-
-    pass

aerich/migrate.py

@@ -5,6 +5,7 @@ from datetime import datetime
 from importlib import import_module
 from typing import Dict, List, Tuple, Type
 
+import click
 from tortoise import (
     BackwardFKRelation,
     BackwardOneToOneRelation,
@@ -28,6 +29,8 @@ class Migrate:
     _upgrade_m2m: List[str] = []
     _downgrade_m2m: List[str] = []
     _aerich = Aerich.__name__
+    _rename_old = []
+    _rename_new = []
 
     ddl: BaseDDL
     migrate_config: dict
@@ -166,7 +169,7 @@ class Migrate:
             ret = re.sub(pattern, rf"\2{cls.diff_app}\4\5", content)
             mode = "w" if i == 0 else "a"
             with open(old_model_file, mode, encoding="utf-8") as f:
-                f.write(ret)
+                f.write(f"{ret}\n")
 
     @classmethod
     def _get_migrate_config(cls, config: dict, app: str, location: str):
@@ -264,11 +267,37 @@ class Migrate:
             if cls._exclude_field(new_field, upgrade):
                 continue
             if new_key not in old_keys:
-                cls._add_operator(
+                new_field_dict = new_field.describe(serializable=True)
-                    cls._add_field(new_model, new_field),
+                new_field_dict.pop("name")
-                    upgrade,
+                new_field_dict.pop("db_column")
-                    isinstance(new_field, (ForeignKeyFieldInstance, ManyToManyFieldInstance)),
+                for diff_key in old_keys - new_keys:
-                )
+                    old_field = old_fields_map.get(diff_key)
+                    old_field_dict = old_field.describe(serializable=True)
+                    old_field_dict.pop("name")
+                    old_field_dict.pop("db_column")
+                    if old_field_dict == new_field_dict:
+                        if upgrade:
+                            is_rename = click.prompt(
+                                f"Rename {diff_key} to {new_key}",
+                                default=True,
+                                type=bool,
+                                show_choices=True,
+                            )
+                            cls._rename_new.append(new_key)
+                            cls._rename_old.append(diff_key)
+                        else:
+                            is_rename = diff_key in cls._rename_new
+                        if is_rename:
+                            cls._add_operator(
+                                cls._rename_field(new_model, old_field, new_field), upgrade,
+                            )
+                            break
+                else:
+                    cls._add_operator(
+                        cls._add_field(new_model, new_field),
+                        upgrade,
+                        isinstance(new_field, (ForeignKeyFieldInstance, ManyToManyFieldInstance)),
+                    )
             else:
                 old_field = old_fields_map.get(new_key)
                 new_field_dict = new_field.describe(serializable=True)
@@ -291,7 +320,12 @@ class Migrate:
                             cls._add_operator(
                                 cls._set_comment(new_model, new_field), upgrade=upgrade
                             )
-                    cls._add_operator(cls._modify_field(new_model, new_field), upgrade=upgrade)
+                        if new_field.field_type != old_field.field_type:
+                            cls._add_operator(
+                                cls._modify_field(new_model, new_field), upgrade=upgrade
+                            )
+                    else:
+                        cls._add_operator(cls._modify_field(new_model, new_field), upgrade=upgrade)
                 if (old_field.index and not new_field.index) or (
                     old_field.unique and not new_field.unique
                 ):
@@ -314,9 +348,12 @@ class Migrate:
         for old_key in old_keys:
             field = old_fields_map.get(old_key)
             if old_key not in new_keys and not cls._exclude_field(field, upgrade):
-                cls._add_operator(
+                if (upgrade and old_key not in cls._rename_old) or (
-                    cls._remove_field(old_model, field), upgrade, cls._is_fk_m2m(field),
+                    not upgrade and old_key not in cls._rename_new
-                )
+                ):
+                    cls._add_operator(
+                        cls._remove_field(old_model, field), upgrade, cls._is_fk_m2m(field),
+                    )
 
         for new_index in new_indexes:
             if new_index not in old_indexes:
@@ -408,6 +445,10 @@ class Migrate:
             return cls.ddl.drop_m2m(field)
         return cls.ddl.drop_column(model, field.model_field_name)
 
+    @classmethod
+    def _rename_field(cls, model: Type[Model], old_field: Field, new_field: Field):
+        return cls.ddl.rename_column(model, old_field.model_field_name, new_field.model_field_name)
+
     @classmethod
     def _add_fk(cls, model: Type[Model], field: ForeignKeyFieldInstance):
         """

conftest.py

@@ -31,24 +31,29 @@ def reset_migrate():
     Migrate._downgrade_m2m = []
 
 
-@pytest.fixture(scope="session")
+@pytest.yield_fixture(scope="session")
-def loop():
+def event_loop():
-    loop = asyncio.get_event_loop()
+    policy = asyncio.get_event_loop_policy()
-    return loop
+    res = policy.new_event_loop()
+    asyncio.set_event_loop(res)
+    res._close = res.close
+    res.close = lambda: None
+
+    yield res
+
+    res._close()
 
 
 @pytest.fixture(scope="session", autouse=True)
-def initialize_tests(loop, request):
+async def initialize_tests(event_loop, request):
     tortoise_orm["connections"]["diff_models"] = "sqlite://:memory:"
     tortoise_orm["apps"]["diff_models"] = {
         "models": ["tests.diff_models"],
         "default_connection": "diff_models",
     }
 
-    loop.run_until_complete(Tortoise.init(config=tortoise_orm, _create_db=True))
+    await Tortoise.init(config=tortoise_orm, _create_db=True)
-    loop.run_until_complete(
+    await generate_schema_for_client(Tortoise.get_connection("default"), safe=True)
-        generate_schema_for_client(Tortoise.get_connection("default"), safe=True)
-    )
 
     client = Tortoise.get_connection("default")
     if client.schema_generator is MySQLSchemaGenerator:
@@ -58,4 +63,4 @@ def initialize_tests(loop, request):
     elif client.schema_generator is AsyncpgSchemaGenerator:
         Migrate.ddl = PostgresDDL(client)
 
-    request.addfinalizer(lambda: loop.run_until_complete(Tortoise._drop_databases()))
+    request.addfinalizer(lambda: event_loop.run_until_complete(Tortoise._drop_databases()))

poetry.lock

@@ -28,19 +28,22 @@ category = "main"
 description = "High level compatibility layer for multiple asynchronous event loop implementations"
 name = "anyio"
 optional = false
-python-versions = ">=3.5.3"
+python-versions = ">=3.6.2"
-version = "1.4.0"
+version = "2.0.0"
 
 [package.dependencies]
-async-generator = "*"
 idna = ">=2.8"
 sniffio = ">=1.1"
 
+[package.dependencies.typing-extensions]
+python = "<3.8"
+version = "*"
+
 [package.extras]
-curio = ["curio (>=0.9)"]
+curio = ["curio (>=1.4)"]
 doc = ["sphinx-rtd-theme", "sphinx-autodoc-typehints (>=1.2.0)"]
-test = ["coverage (>=4.5)", "hypothesis (>=4.0)", "pytest (>=3.7.2)", "uvloop"]
+test = ["coverage (>=4.5)", "hypothesis (>=4.0)", "pytest (>=4.3)", "trustme", "uvloop"]
-trio = ["trio (>=0.12)"]
+trio = ["trio (>=0.16)"]
 
 [[package]]
 category = "dev"
@@ -58,24 +61,16 @@ optional = false
 python-versions = "*"
 version = "1.4.4"
 
-[[package]]
-category = "main"
-description = "Async generators and context managers for Python 3.5+"
-name = "async-generator"
-optional = false
-python-versions = ">=3.5"
-version = "1.10"
-
 [[package]]
 category = "main"
 description = "A simple anyio-compatible fork of Click, for powerful command line utilities."
 name = "asyncclick"
 optional = false
 python-versions = ">=3.6"
-version = "7.0.9"
+version = "7.1.2.1"
 
 [package.dependencies]
-anyio = "*"
+anyio = ">=2"
 
 [package.extras]
 dev = ["coverage", "pytest-runner", "pytest-trio", "pytest (>=3)", "sphinx", "tox"]
@@ -87,10 +82,10 @@ description = "An asyncio PostgreSQL driver"
 name = "asyncpg"
 optional = true
 python-versions = ">=3.5.0"
-version = "0.20.1"
+version = "0.21.0"
 
 [package.extras]
-dev = ["Cython (0.29.14)", "pytest (>=3.6.0)", "Sphinx (>=1.7.3,<1.8.0)", "sphinxcontrib-asyncio (>=0.2.0,<0.3.0)", "sphinx-rtd-theme (>=0.2.4,<0.3.0)", "pycodestyle (>=2.5.0,<2.6.0)", "flake8 (>=3.7.9,<3.8.0)", "uvloop (>=0.14.0,<0.15.0)"]
+dev = ["Cython (0.29.20)", "pytest (>=3.6.0)", "Sphinx (>=1.7.3,<1.8.0)", "sphinxcontrib-asyncio (>=0.2.0,<0.3.0)", "sphinx-rtd-theme (>=0.2.4,<0.3.0)", "pycodestyle (>=2.5.0,<2.6.0)", "flake8 (>=3.7.9,<3.8.0)", "uvloop (>=0.14.0,<0.15.0)"]
 docs = ["Sphinx (>=1.7.3,<1.8.0)", "sphinxcontrib-asyncio (>=0.2.0,<0.3.0)", "sphinx-rtd-theme (>=0.2.4,<0.3.0)"]
 test = ["pycodestyle (>=2.5.0,<2.6.0)", "flake8 (>=3.7.9,<3.8.0)", "uvloop (>=0.14.0,<0.15.0)"]
 
@@ -109,13 +104,13 @@ description = "Classes Without Boilerplate"
 name = "attrs"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "19.3.0"
+version = "20.2.0"
 
 [package.extras]
-azure-pipelines = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "pytest-azurepipelines"]
+dev = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "sphinx-rtd-theme", "pre-commit"]
-dev = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "pre-commit"]
+docs = ["sphinx", "sphinx-rtd-theme", "zope.interface"]
-docs = ["sphinx", "zope.interface"]
+tests = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
-tests = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
+tests_no_zope = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six"]
 
 [[package]]
 category = "dev"
@@ -158,7 +153,7 @@ description = "Foreign Function Interface for Python calling C code."
 name = "cffi"
 optional = true
 python-versions = "*"
-version = "1.14.1"
+version = "1.14.3"
 
 [package.dependencies]
 pycparser = "*"
@@ -186,7 +181,7 @@ description = "cryptography is a package which provides cryptographic recipes an
 name = "cryptography"
 optional = true
 python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*"
-version = "3.0"
+version = "3.1.1"
 
 [package.dependencies]
 cffi = ">=1.8,<1.11.3 || >1.11.3"
@@ -195,7 +190,6 @@ six = ">=1.4.1"
 [package.extras]
 docs = ["sphinx (>=1.6.5,<1.8.0 || >1.8.0,<3.1.0 || >3.1.0,<3.1.1 || >3.1.1)", "sphinx-rtd-theme"]
 docstest = ["doc8", "pyenchant (>=1.6.11)", "twine (>=1.12.0)", "sphinxcontrib-spelling (>=4.0.1)"]
-idna = ["idna (>=2.1)"]
 pep8test = ["black", "flake8", "flake8-import-order", "pep8-naming"]
 ssh = ["bcrypt (>=3.1.5)"]
 test = ["pytest (>=3.6.0,<3.9.0 || >3.9.0,<3.9.1 || >3.9.1,<3.9.2 || >3.9.2)", "pretend", "iso8601", "pytz", "hypothesis (>=1.11.4,<3.79.2 || >3.79.2)"]
@@ -248,7 +242,7 @@ description = "Python Git Library"
 name = "gitpython"
 optional = false
 python-versions = ">=3.4"
-version = "3.1.7"
+version = "3.1.8"
 
 [package.dependencies]
 gitdb = ">=4.0.1,<5"
@@ -268,7 +262,7 @@ marker = "python_version < \"3.8\""
 name = "importlib-metadata"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
-version = "1.7.0"
+version = "2.0.0"
 
 [package.dependencies]
 zipp = ">=0.5"
@@ -291,7 +285,7 @@ description = "Simple module to parse ISO 8601 dates"
 name = "iso8601"
 optional = false
 python-versions = "*"
-version = "0.1.12"
+version = "0.1.13"
 
 [[package]]
 category = "dev"
@@ -299,11 +293,11 @@ description = "A Python utility / library to sort Python imports."
 name = "isort"
 optional = false
 python-versions = ">=3.6,<4.0"
-version = "5.3.2"
+version = "5.5.3"
 
 [package.extras]
 colors = ["colorama (>=0.4.3,<0.5.0)"]
-pipfile_deprecated_finder = ["pipreqs", "requirementslib", "tomlkit (>=0.5.3)"]
+pipfile_deprecated_finder = ["pipreqs", "requirementslib"]
 requirements_deprecated_finder = ["pipreqs", "pip-api"]
 
 [[package]]
@@ -320,7 +314,7 @@ description = "More routines for operating on iterables, beyond itertools"
 name = "more-itertools"
 optional = false
 python-versions = ">=3.5"
-version = "8.4.0"
+version = "8.5.0"
 
 [[package]]
 category = "dev"
@@ -347,8 +341,8 @@ category = "dev"
 description = "Python Build Reasonableness"
 name = "pbr"
 optional = false
-python-versions = "*"
+python-versions = ">=2.6"
-version = "5.4.5"
+version = "5.5.0"
 
 [[package]]
 category = "dev"
@@ -436,7 +430,7 @@ description = "A SQL query builder API for Python"
 name = "pypika"
 optional = false
 python-versions = "*"
-version = "0.38.0"
+version = "0.39.1"
 
 [[package]]
 category = "dev"
@@ -444,7 +438,7 @@ description = "pytest: simple powerful testing with Python"
 name = "pytest"
 optional = false
 python-versions = ">=3.5"
-version = "6.0.1"
+version = "6.0.2"
 
 [package.dependencies]
 atomicwrites = ">=1.0"
@@ -497,10 +491,10 @@ description = "Thin-wrapper around the mock package for easier use with pytest"
 name = "pytest-mock"
 optional = false
 python-versions = ">=3.5"
-version = "3.2.0"
+version = "3.3.1"
 
 [package.dependencies]
-pytest = ">=2.7"
+pytest = ">=5.0"
 
 [package.extras]
 dev = ["pre-commit", "tox", "pytest-asyncio"]
@@ -510,16 +504,16 @@ category = "dev"
 description = "pytest xdist plugin for distributed testing and loop-on-failing modes"
 name = "pytest-xdist"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+python-versions = ">=3.5"
-version = "1.34.0"
+version = "2.1.0"
 
 [package.dependencies]
 execnet = ">=1.1"
-pytest = ">=4.4.0"
+pytest = ">=6.0.0"
 pytest-forked = "*"
-six = "*"
 
 [package.extras]
+psutil = ["psutil (>=3.0)"]
 testing = ["filelock"]
 
 [[package]]
@@ -568,7 +562,7 @@ description = "Manage dynamic plugins for Python applications"
 name = "stevedore"
 optional = false
 python-versions = ">=3.6"
-version = "3.2.0"
+version = "3.2.2"
 
 [package.dependencies]
 pbr = ">=2.0.0,<2.1.0 || >2.1.0"
@@ -591,12 +585,12 @@ description = "Easy async ORM for python, built with relations in mind"
 name = "tortoise-orm"
 optional = false
 python-versions = "*"
-version = "0.16.14"
+version = "0.16.16"
 
 [package.dependencies]
 aiosqlite = ">=0.11.0"
 iso8601 = ">=0.1.12"
-pypika = ">=0.36.5"
+pypika = ">=0.39.0"
 typing-extensions = ">=3.7"
 
 [package.extras]
@@ -616,7 +610,7 @@ description = "Backported and Experimental Type Hints for Python 3.5+"
 name = "typing-extensions"
 optional = false
 python-versions = "*"
-version = "3.7.4.2"
+version = "3.7.4.3"
 
 [[package]]
 category = "dev"
@@ -625,11 +619,11 @@ marker = "python_version < \"3.8\""
 name = "zipp"
 optional = false
 python-versions = ">=3.6"
-version = "3.1.0"
+version = "3.2.0"
 
 [package.extras]
 docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
-testing = ["jaraco.itertools", "func-timeout"]
+testing = ["pytest (>=3.5,<3.7.3 || >3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-cov", "jaraco.test (>=3.2.0)", "jaraco.itertools", "func-timeout", "pytest-black (>=0.3.7)", "pytest-mypy"]
 
 [extras]
 dbdrivers = ["aiomysql", "asyncpg"]
@@ -649,8 +643,8 @@ aiosqlite = [
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@@ -660,43 +654,43 @@ appdirs = [
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 ]
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@@ -707,34 +701,42 @@ black = [
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     {file = "mccabe-0.6.1.tar.gz", hash = "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"},
 ]
 more-itertools = [
-    {file = "more-itertools-8.4.0.tar.gz", hash = "sha256:68c70cc7167bdf5c7c9d8f6954a7837089c6a36bf565383919bb595efb8a17e5"},
+    {file = "more-itertools-8.5.0.tar.gz", hash = "sha256:6f83822ae94818eae2612063a5101a7311e68ae8002005b5e05f03fd74a86a20"},
-    {file = "more_itertools-8.4.0-py3-none-any.whl", hash = "sha256:b78134b2063dd214000685165d81c154522c3ee0a1c0d4d113c80361c234c5a2"},
+    {file = "more_itertools-8.5.0-py3-none-any.whl", hash = "sha256:9b30f12df9393f0d28af9210ff8efe48d10c94f73e5daf886f10c4b0b0b4f03c"},
 ]
 packaging = [
     {file = "packaging-20.4-py2.py3-none-any.whl", hash = "sha256:998416ba6962ae7fbd6596850b80e17859a5753ba17c32284f67bfff33784181"},
@@ -819,8 +824,8 @@ pathspec = [
     {file = "pathspec-0.8.0.tar.gz", hash = "sha256:da45173eb3a6f2a5a487efba21f050af2b41948be6ab52b6a1e3ff22bb8b7061"},
 ]
 pbr = [
-    {file = "pbr-5.4.5-py2.py3-none-any.whl", hash = "sha256:579170e23f8e0c2f24b0de612f71f648eccb79fb1322c814ae6b3c07b5ba23e8"},
+    {file = "pbr-5.5.0-py2.py3-none-any.whl", hash = "sha256:5adc0f9fc64319d8df5ca1e4e06eea674c26b80e6f00c530b18ce6a6592ead15"},
-    {file = "pbr-5.4.5.tar.gz", hash = "sha256:07f558fece33b05caf857474a366dfcc00562bca13dd8b47b2b3e22d9f9bf55c"},
+    {file = "pbr-5.5.0.tar.gz", hash = "sha256:14bfd98f51c78a3dd22a1ef45cf194ad79eee4a19e8e1a0d5c7f8e81ffe182ea"},
 ]
 pluggy = [
     {file = "pluggy-0.13.1-py2.py3-none-any.whl", hash = "sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d"},
@@ -870,11 +875,11 @@ pyparsing = [
     {file = "pyparsing-2.4.7.tar.gz", hash = "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1"},
 ]
 pypika = [
-    {file = "PyPika-0.38.0.tar.gz", hash = "sha256:abf85d7fc3da6c4213125b58ca989a1eabfcc1e9b1f5fc3f524eba5cd7a25107"},
+    {file = "PyPika-0.39.1.tar.gz", hash = "sha256:f6c715348cb6fa0042fe5b69f40cbb19c36ee3ff68414ece8660465c56523012"},
 ]
 pytest = [
-    {file = "pytest-6.0.1-py3-none-any.whl", hash = "sha256:8b6007800c53fdacd5a5c192203f4e531eb2a1540ad9c752e052ec0f7143dbad"},
+    {file = "pytest-6.0.2-py3-none-any.whl", hash = "sha256:0e37f61339c4578776e090c3b8f6b16ce4db333889d65d0efb305243ec544b40"},
-    {file = "pytest-6.0.1.tar.gz", hash = "sha256:85228d75db9f45e06e57ef9bf4429267f81ac7c0d742cc9ed63d09886a9fe6f4"},
+    {file = "pytest-6.0.2.tar.gz", hash = "sha256:c8f57c2a30983f469bf03e68cdfa74dc474ce56b8f280ddcb080dfd91df01043"},
 ]
 pytest-asyncio = [
     {file = "pytest-asyncio-0.14.0.tar.gz", hash = "sha256:9882c0c6b24429449f5f969a5158b528f39bde47dc32e85b9f0403965017e700"},
@@ -885,12 +890,12 @@ pytest-forked = [
     {file = "pytest_forked-1.3.0-py2.py3-none-any.whl", hash = "sha256:dc4147784048e70ef5d437951728825a131b81714b398d5d52f17c7c144d8815"},
 ]
 pytest-mock = [
-    {file = "pytest-mock-3.2.0.tar.gz", hash = "sha256:7122d55505d5ed5a6f3df940ad174b3f606ecae5e9bc379569cdcbd4cd9d2b83"},
+    {file = "pytest-mock-3.3.1.tar.gz", hash = "sha256:a4d6d37329e4a893e77d9ffa89e838dd2b45d5dc099984cf03c703ac8411bb82"},
-    {file = "pytest_mock-3.2.0-py3-none-any.whl", hash = "sha256:5564c7cd2569b603f8451ec77928083054d8896046830ca763ed68f4112d17c7"},
+    {file = "pytest_mock-3.3.1-py3-none-any.whl", hash = "sha256:024e405ad382646318c4281948aadf6fe1135632bea9cc67366ea0c4098ef5f2"},
 ]
 pytest-xdist = [
-    {file = "pytest-xdist-1.34.0.tar.gz", hash = "sha256:340e8e83e2a4c0d861bdd8d05c5d7b7143f6eea0aba902997db15c2a86be04ee"},
+    {file = "pytest-xdist-2.1.0.tar.gz", hash = "sha256:82d938f1a24186520e2d9d3a64ef7d9ac7ecdf1a0659e095d18e596b8cbd0672"},
-    {file = "pytest_xdist-1.34.0-py2.py3-none-any.whl", hash = "sha256:ba5d10729372d65df3ac150872f9df5d2ed004a3b0d499cc0164aafedd8c7b66"},
+    {file = "pytest_xdist-2.1.0-py3-none-any.whl", hash = "sha256:7c629016b3bb006b88ac68e2b31551e7becf173c76b977768848e2bbed594d90"},
 ]
 pyyaml = [
     {file = "PyYAML-5.3.1-cp27-cp27m-win32.whl", hash = "sha256:74809a57b329d6cc0fdccee6318f44b9b8649961fa73144a98735b0aaf029f1f"},
@@ -940,15 +945,15 @@ sniffio = [
     {file = "sniffio-1.1.0.tar.gz", hash = "sha256:8e3810100f69fe0edd463d02ad407112542a11ffdc29f67db2bf3771afb87a21"},
 ]
 stevedore = [
-    {file = "stevedore-3.2.0-py3-none-any.whl", hash = "sha256:c8f4f0ebbc394e52ddf49de8bcc3cf8ad2b4425ebac494106bbc5e3661ac7633"},
+    {file = "stevedore-3.2.2-py3-none-any.whl", hash = "sha256:5e1ab03eaae06ef6ce23859402de785f08d97780ed774948ef16c4652c41bc62"},
-    {file = "stevedore-3.2.0.tar.gz", hash = "sha256:38791aa5bed922b0a844513c5f9ed37774b68edc609e5ab8ab8d8fe0ce4315e5"},
+    {file = "stevedore-3.2.2.tar.gz", hash = "sha256:f845868b3a3a77a2489d226568abe7328b5c2d4f6a011cc759dfa99144a521f0"},
 ]
 toml = [
     {file = "toml-0.10.1-py2.py3-none-any.whl", hash = "sha256:bda89d5935c2eac546d648028b9901107a595863cb36bae0c73ac804a9b4ce88"},
     {file = "toml-0.10.1.tar.gz", hash = "sha256:926b612be1e5ce0634a2ca03470f95169cf16f939018233a670519cb4ac58b0f"},
 ]
 tortoise-orm = [
-    {file = "tortoise-orm-0.16.14.tar.gz", hash = "sha256:d6ffd4f4cd46d469fa946ca5309768f381640b65d5f5c9e848fb9b50185febee"},
+    {file = "tortoise-orm-0.16.16.tar.gz", hash = "sha256:dc0c7909324a6c224076936adb3b1b154a8d2b13ff51e4232f0bdc3d65841185"},
 ]
 typed-ast = [
     {file = "typed_ast-1.4.1-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:73d785a950fc82dd2a25897d525d003f6378d1cb23ab305578394694202a58c3"},
@@ -974,11 +979,11 @@ typed-ast = [
     {file = "typed_ast-1.4.1.tar.gz", hash = "sha256:8c8aaad94455178e3187ab22c8b01a3837f8ee50e09cf31f1ba129eb293ec30b"},
 ]
 typing-extensions = [
-    {file = "typing_extensions-3.7.4.2-py2-none-any.whl", hash = "sha256:f8d2bd89d25bc39dabe7d23df520442fa1d8969b82544370e03d88b5a591c392"},
+    {file = "typing_extensions-3.7.4.3-py2-none-any.whl", hash = "sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f"},
-    {file = "typing_extensions-3.7.4.2-py3-none-any.whl", hash = "sha256:6e95524d8a547a91e08f404ae485bbb71962de46967e1b71a0cb89af24e761c5"},
+    {file = "typing_extensions-3.7.4.3-py3-none-any.whl", hash = "sha256:7cb407020f00f7bfc3cb3e7881628838e69d8f3fcab2f64742a5e76b2f841918"},
-    {file = "typing_extensions-3.7.4.2.tar.gz", hash = "sha256:79ee589a3caca649a9bfd2a8de4709837400dfa00b6cc81962a1e6a1815969ae"},
+    {file = "typing_extensions-3.7.4.3.tar.gz", hash = "sha256:99d4073b617d30288f569d3f13d2bd7548c3a7e4c8de87db09a9d29bb3a4a60c"},
 ]
 zipp = [
-    {file = "zipp-3.1.0-py3-none-any.whl", hash = "sha256:aa36550ff0c0b7ef7fa639055d797116ee891440eac1a56f378e2d3179e0320b"},
+    {file = "zipp-3.2.0-py3-none-any.whl", hash = "sha256:43f4fa8d8bb313e65d8323a3952ef8756bf40f9a5c3ea7334be23ee4ec8278b6"},
-    {file = "zipp-3.1.0.tar.gz", hash = "sha256:c599e4d75c98f6798c509911d08a22e6c021d074469042177c8c86fb92eefd96"},
+    {file = "zipp-3.2.0.tar.gz", hash = "sha256:b52f22895f4cfce194bc8172f3819ee8de7540aa6d873535a8668b730b8b411f"},
 ]

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "aerich"
-version = "0.2.3"
+version = "0.2.4"
 description = "A database migrations tool for Tortoise ORM."
 authors = ["long2ice <long2ice@gmail.com>"]
 license = "Apache-2.0"

tests/diff_models.py

@@ -24,7 +24,7 @@ class Status(IntEnum):
 class User(Model):
     username = fields.CharField(max_length=20)
     password = fields.CharField(max_length=200)
-    last_login = fields.DatetimeField(description="Last Login", default=datetime.datetime.now)
+    last_login_at = fields.DatetimeField(description="Last Login", default=datetime.datetime.now)
     is_active = fields.BooleanField(default=True, description="Is Active")
     is_superuser = fields.BooleanField(default=False, description="Is SuperUser")
     avatar = fields.CharField(max_length=200, default="")

tests/test_ddl.py

@@ -1,6 +1,9 @@
+import pytest
+
 from aerich.ddl.mysql import MysqlDDL
 from aerich.ddl.postgres import PostgresDDL
 from aerich.ddl.sqlite import SqliteDDL
+from aerich.exceptions import NotSupportError
 from aerich.migrate import Migrate
 from tests.models import Category, User
 
@@ -63,27 +66,26 @@ def test_add_column():
 
 
 def test_modify_column():
-    ret = Migrate.ddl.modify_column(Category, Category._meta.fields_map.get("name"))
+    if isinstance(Migrate.ddl, SqliteDDL):
-    if isinstance(Migrate.ddl, MysqlDDL):
+        with pytest.raises(NotSupportError):
-        assert ret == "ALTER TABLE `category` MODIFY COLUMN `name` VARCHAR(200) NOT NULL"
+            ret0 = Migrate.ddl.modify_column(Category, Category._meta.fields_map.get("name"))
-    elif isinstance(Migrate.ddl, PostgresDDL):
+            ret1 = Migrate.ddl.modify_column(User, User._meta.fields_map.get("is_active"))
-        assert ret == 'ALTER TABLE "category" ALTER COLUMN "name" TYPE VARCHAR(200)'
+
-    else:
+    else:
-        assert ret == 'ALTER TABLE "category" MODIFY COLUMN "name" VARCHAR(200) NOT NULL'
+        ret0 = Migrate.ddl.modify_column(Category, Category._meta.fields_map.get("name"))
+        ret1 = Migrate.ddl.modify_column(User, User._meta.fields_map.get("is_active"))
+    if isinstance(Migrate.ddl, MysqlDDL):
+        assert ret0 == "ALTER TABLE `category` MODIFY COLUMN `name` VARCHAR(200) NOT NULL"
+    elif isinstance(Migrate.ddl, PostgresDDL):
+        assert ret0 == 'ALTER TABLE "category" ALTER COLUMN "name" TYPE VARCHAR(200)'
 
-    ret = Migrate.ddl.modify_column(User, User._meta.fields_map.get("is_active"))
     if isinstance(Migrate.ddl, MysqlDDL):
         assert (
-            ret
+            ret1
             == "ALTER TABLE `user` MODIFY COLUMN `is_active` BOOL NOT NULL  COMMENT 'Is Active' DEFAULT 1"
         )
     elif isinstance(Migrate.ddl, PostgresDDL):
-        assert ret == 'ALTER TABLE "user" ALTER COLUMN "is_active" TYPE BOOL'
+        assert ret1 == 'ALTER TABLE "user" ALTER COLUMN "is_active" TYPE BOOL'
-    else:
-        assert (
-            ret
-            == 'ALTER TABLE "user" MODIFY COLUMN "is_active" INT NOT NULL  DEFAULT 1 /* Is Active */'
-        )
 
 
 def test_alter_column_default():
@@ -131,10 +133,14 @@ def test_set_comment():
 
 
 def test_drop_column():
-    ret = Migrate.ddl.drop_column(Category, "name")
+    if isinstance(Migrate.ddl, SqliteDDL):
+        with pytest.raises(NotSupportError):
+            ret = Migrate.ddl.drop_column(Category, "name")
+    else:
+        ret = Migrate.ddl.drop_column(Category, "name")
     if isinstance(Migrate.ddl, MysqlDDL):
         assert ret == "ALTER TABLE `category` DROP COLUMN `name`"
-    else:
+    elif isinstance(Migrate.ddl, PostgresDDL):
         assert ret == 'ALTER TABLE "category" DROP COLUMN "name"'
 
 

tests/test_migrate.py

@@ -1,43 +1,54 @@
+import pytest
+from pytest_mock import MockerFixture
 from tortoise import Tortoise
 
 from aerich.ddl.mysql import MysqlDDL
 from aerich.ddl.postgres import PostgresDDL
+from aerich.ddl.sqlite import SqliteDDL
+from aerich.exceptions import NotSupportError
 from aerich.migrate import Migrate
 
 
-def test_migrate():
+def test_migrate(mocker: MockerFixture):
+    mocker.patch("click.prompt", return_value=True)
     apps = Tortoise.apps
     models = apps.get("models")
     diff_models = apps.get("diff_models")
     Migrate.diff_models(diff_models, models)
-    Migrate.diff_models(models, diff_models, False)
+    if isinstance(Migrate.ddl, SqliteDDL):
+        with pytest.raises(NotSupportError):
+            Migrate.diff_models(models, diff_models, False)
+    else:
+        Migrate.diff_models(models, diff_models, False)
     if isinstance(Migrate.ddl, MysqlDDL):
         assert Migrate.upgrade_operators == [
             "ALTER TABLE `category` ADD `name` VARCHAR(200) NOT NULL",
             "ALTER TABLE `user` ADD UNIQUE INDEX `uid_user_usernam_9987ab` (`username`)",
+            "ALTER TABLE `user` RENAME COLUMN `last_login_at` TO `last_login`",
         ]
         assert Migrate.downgrade_operators == [
             "ALTER TABLE `category` DROP COLUMN `name`",
             "ALTER TABLE `user` DROP INDEX `uid_user_usernam_9987ab`",
+            "ALTER TABLE `user` RENAME COLUMN `last_login` TO `last_login_at`",
         ]
     elif isinstance(Migrate.ddl, PostgresDDL):
         assert Migrate.upgrade_operators == [
             'ALTER TABLE "category" ADD "name" VARCHAR(200) NOT NULL',
             'ALTER TABLE "user" ADD CONSTRAINT "uid_user_usernam_9987ab" UNIQUE ("username")',
+            'ALTER TABLE "user" RENAME COLUMN "last_login_at" TO "last_login"',
         ]
         assert Migrate.downgrade_operators == [
             'ALTER TABLE "category" DROP COLUMN "name"',
             'ALTER TABLE "user" DROP CONSTRAINT "uid_user_usernam_9987ab"',
+            'ALTER TABLE "user" RENAME COLUMN "last_login" TO "last_login_at"',
         ]
-    else:
+    elif isinstance(Migrate.ddl, SqliteDDL):
         assert Migrate.upgrade_operators == [
             'ALTER TABLE "category" ADD "name" VARCHAR(200) NOT NULL',
             'ALTER TABLE "user" ADD UNIQUE INDEX "uid_user_usernam_9987ab" ("username")',
+            'ALTER TABLE "user" RENAME COLUMN "last_login_at" TO "last_login"',
         ]
-        assert Migrate.downgrade_operators == [
+        assert Migrate.downgrade_operators == []
-            'ALTER TABLE "category" DROP COLUMN "name"',
-            'ALTER TABLE "user" DROP INDEX "uid_user_usernam_9987ab"',
-        ]
 
 
 def test_sort_all_version_files(mocker):