update README.md

fix datetime string format
2020-09-09 21:10:10 +08:00 · 2020-09-02 13:34:53 +08:00 · 2020-08-19 09:28:36 +08:00 · 2020-08-17 12:40:39 +08:00 · 2020-08-07 18:12:40 +08:00 · 2020-08-07 09:29:30 +08:00
38 changed files with 1855 additions and 731 deletions
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -1,21 +1,19 @@
 name: pypi
-
 on:
  release:
    types:
      - created
-
 jobs:
-  build:
+  publish:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
-      - uses: actions/setup-python@v1
+      - uses: actions/setup-python@v2
        with:
          python-version: '3.x'
+      - uses: dschep/install-poetry-action@v1.3
      - name: Build dists
-        run: |
-          python3 setup.py sdist
+        run: make build
      - name: Pypi Publish
        uses: pypa/gh-action-pypi-publish@master
        with:
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -0,0 +1,31 @@
+name: test
+on: [push, pull_request]
+jobs:
+  testall:
+    runs-on: ubuntu-latest
+    services:
+      postgres:
+        image: postgres:latest
+        ports:
+          - 5432:5432
+        env:
+          POSTGRES_PASSWORD: 123456
+          POSTGRES_USER: postgres
+        options: --health-cmd=pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
+    steps:
+      - name: Start MySQL
+        run: sudo systemctl start mysql.service
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: '3.x'
+      - uses: dschep/install-poetry-action@v1.3
+      - name: CI
+        env:
+          MYSQL_PASS: root
+          MYSQL_HOST: 127.0.0.1
+          MYSQL_PORT: 3306
+          POSTGRES_PASS: 123456
+          POSTGRES_HOST: 127.0.0.1
+          POSTGRES_PORT: 5432
+        run: make ci
--- a/.gitignore
+++ b/.gitignore
@@ -142,4 +142,5 @@ cython_debug/

 .idea
 migrations
-aerich.ini
+aerich.ini
+src
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -0,0 +1,74 @@
+# ChangeLog
+
+## 0.2
+
+### 0.2.3
+
+- Fix tortoise ssl config.
+- PostgreSQL add/drop index/unique.
+
+### 0.2.2
+
+- Fix postgres drop fk.
+- Fix version sort.
+
+### 0.2.1
+
+- Fix bug in windows.
+- Enhance PostgreSQL support.
+
+### 0.2.0
+
+- Update model file find method.
+- Set `--safe` bool.
+
+## 0.1
+
+### 0.1.9
+
+- Fix default_connection when upgrade
+- Find default app instead of default.
+- Diff MySQL ddl.
+- Check tortoise config.
+
+### 0.1.8
+
+- Fix upgrade error when migrate.
+- Fix init db sql error.
+- Support change column.
+
+### 0.1.7
+
+- Exclude models.Aerich.
+- Add init record when init-db.
+- Fix version num str.
+
+### 0.1.6
+
+- update dependency_links
+
+### 0.1.5
+
+- Add sqlite and postgres support.
+- Fix dependency import.
+- Store versions in db.
+
+### 0.1.4
+
+- Fix transaction and fields import.
+- Make unique index worked.
+- Add cli --version.
+
+### 0.1.3
+
+- Support indexes and unique_together.
+
+### 0.1.2
+
+- Now aerich support m2m.
+- Add cli cmd init-db.
+- Change cli options.
+
+### 0.1.1
+
+- Now aerich is basic worked.
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,25 +0,0 @@
-=========
-ChangeLog
-=========
-
-0.1
-===
-0.1.4
-----
- Fix transaction and fields import.
- Make unique index worked.
- Add cli --version.
-
-0.1.3
-----
- Support indexes and unique_together.
-
-0.1.2
-----
- Now aerich support m2m.
- Add cli cmd init-db.
- Change cli options.
-
-0.1.1
-----
- Now aerich is basic worked.
--- a/214
+++ b/214
@@ -1,21 +1,201 @@
-The MIT License (MIT)
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/

-Copyright (c) 2020 long2ice
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--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +0,0 @@
-include LICENSE
-include README.rst
-include requirements.txt
--- a/58
+++ b/58
@@ -1,6 +1,10 @@
-checkfiles = aerich/ tests/
+checkfiles = aerich/ tests/ conftest.py
 black_opts = -l 100 -t py38
 py_warn = PYTHONDEVMODE=1
+MYSQL_HOST ?= "127.0.0.1"
+MYSQL_PORT ?= 3306
+POSTGRES_HOST ?= "127.0.0.1"
+POSTGRES_PORT ?= 5432

 help:
 	@echo "Aerich development makefile"
@@ -8,48 +12,42 @@ help:
 	@echo  "usage: make <target>"
 	@echo  "Targets:"
 	@echo  "    up			Updates dev/test dependencies"
-	@echo  "    deps        Ensure dev/test dependencies are installed"
+	@echo  "    deps		Ensure dev/test dependencies are installed"
 	@echo  "    check		Checks that build is sane"
 	@echo  "    lint		Reports all linter violations"
 	@echo  "    test		Runs all tests"
 	@echo  "    style		Auto-formats the code"

-deps:
-	@which pip-sync > /dev/null || pip install -q pip-tools
-	@pip install -r requirements-dev.txt
-
 up:
-	CUSTOM_COMPILE_COMMAND="make up" pip-compile -o requirements-dev.txt -U
-	sed -i "s/^-e .*/-e ./" requirements.txt
+	@poetry update
+
+deps:
+	@poetry install -E dbdrivers --no-root

 style: deps
-	isort -rc $(checkfiles)
+	isort -src $(checkfiles)
 	black $(black_opts) $(checkfiles)

 check: deps
-ifneq ($(shell which black),)
 	black --check $(black_opts) $(checkfiles) || (echo "Please run 'make style' to auto-fix style issues" && false)
-endif
 	flake8 $(checkfiles)
-	mypy $(checkfiles)
-	pylint -d C,W,R $(checkfiles)
-	bandit -r $(checkfiles)
-	python setup.py check -mrs
-
-lint: deps
-ifneq ($(shell which black),)
-	black --check $(black_opts) $(checkfiles) || (echo "Please run 'make style' to auto-fix style issues" && false)
-endif
-	flake8 $(checkfiles)
-	mypy $(checkfiles)
-	pylint $(checkfiles)
-	bandit -r $(checkfiles)
-	python setup.py check -mrs
+	bandit -x tests -r $(checkfiles)

 test: deps
-	$(py_warn) py.test
+	$(py_warn) TEST_DB=sqlite://:memory: py.test

-publish: deps
-	rm -fR dist/
-	python setup.py sdist
-	twine upload dist/*
+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
+
+test_postgres:
+	$(py_warn) TEST_DB="postgres://postgres:$(POSTGRES_PASS)@$(POSTGRES_HOST):$(POSTGRES_PORT)/test_\{\}" py.test
+
+testall: deps test_sqlite test_postgres test_mysql
+
+build: deps
+	@poetry build
+
+ci: check testall
--- a/README.md
+++ b/README.md
@@ -0,0 +1,162 @@
+# Aerich
+
+[![image](https://img.shields.io/pypi/v/aerich.svg?style=flat)](https://pypi.python.org/pypi/aerich)
+[![image](https://img.shields.io/github/license/long2ice/aerich)](https://github.com/long2ice/aerich)
+[![image](https://github.com/long2ice/aerich/workflows/pypi/badge.svg)](https://github.com/long2ice/aerich/actions?query=workflow:pypi)
+[![image](https://github.com/long2ice/aerich/workflows/test/badge.svg)](https://github.com/long2ice/aerich/actions?query=workflow:test)
+
+## Introduction
+
+Tortoise-ORM is the best asyncio ORM now, but it lacks a database
+migrations tool like alembic for SQLAlchemy, or Django ORM with it\'s
+own migrations tool.
+
+This project aim to be a best migrations tool for Tortoise-ORM and which
+written by one of contributors of Tortoise-ORM.
+
+## Install
+
+Just install from pypi:
+
+```shell
+> pip install aerich
+```
+
+## Quick Start
+
+```shell
+$ aerich -h
+
+Usage: aerich [OPTIONS] COMMAND [ARGS]...
+
+Options:
+  -c, --config TEXT  Config file.  [default: aerich.ini]
+  --app TEXT         Tortoise-ORM app name.  [default: models]
+  -n, --name TEXT    Name of section in .ini file to use for aerich config.
+                     [default: aerich]
+  -h, --help         Show this message and exit.
+
+Commands:
+  downgrade  Downgrade to previous version.
+  heads      Show current available heads in migrate location.
+  history    List all migrate items.
+  init       Init config file and generate root migrate location.
+  init-db    Generate schema and generate app migrate location.
+  migrate    Generate migrate changes file.
+  upgrade    Upgrade to latest version.
+```
+
+## Usage
+
+You need add `aerich.models` to your `Tortoise-ORM` config first,
+example:
+
+```python
+TORTOISE_ORM = {
+    "connections": {"default": "mysql://root:123456@127.0.0.1:3306/test"},
+    "apps": {
+        "models": {
+            "models": ["tests.models", "aerich.models"],
+            "default_connection": "default",
+        },
+    },
+}
+```
+
+### Initialization
+
+```shell
+$ aerich init -h
+
+Usage: aerich init [OPTIONS]
+
+  Init config file and generate root migrate location.
+
+Options:
+  -t, --tortoise-orm TEXT  Tortoise-ORM config module dict variable, like settings.TORTOISE_ORM.
+                           [required]
+  --location TEXT          Migrate store location.  [default: ./migrations]
+  -h, --help               Show this message and exit.
+```
+
+Init config file and location:
+
+```shell
+$ aerich init -t tests.backends.mysql.TORTOISE_ORM
+
+Success create migrate location ./migrations
+Success generate config file aerich.ini
+```
+
+### Init db
+
+```shell
+$ aerich init-db
+
+Success create app migrate location ./migrations/models
+Success generate schema for app "models"
+```
+
+If your Tortoise-ORM app is not default `models`, you must specify
+`--app` like `aerich --app other_models init-db`.
+
+### Update models and make migrate
+
+```shell
+$ aerich migrate --name drop_column
+
+Success migrate 1_202029051520102929_drop_column.json
+```
+
+Format of migrate filename is
+`{version_num}_{datetime}_{name|update}.json`
+
+### Upgrade to latest version
+
+```shell
+$ aerich upgrade
+
+Success upgrade 1_202029051520102929_drop_column.json
+```
+
+Now your db is migrated to latest.
+
+### Downgrade to previous version
+
+```shell
+$ aerich downgrade
+
+Success downgrade 1_202029051520102929_drop_column.json
+```
+
+Now your db rollback to previous version.
+
+### Show history
+
+```shell
+$ aerich history
+
+1_202029051520102929_drop_column.json
+```
+
+### Show heads to be migrated
+
+```shell
+$ aerich heads
+
+1_202029051520102929_drop_column.json
+```
+
+## Support this project
+
+- Just give a star!
+- Donation.
+
+| AliPay                                                                                 | WeChatPay                                                                                 | PayPal                                                           |
+| -------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------- | ---------------------------------------------------------------- |
+| <img width="200" src="https://github.com/long2ice/aerich/raw/dev/images/alipay.jpeg"/> | <img width="200" src="https://github.com/long2ice/aerich/raw/dev/images/wechatpay.jpeg"/> | [PayPal](https://www.paypal.me/long2ice) to my account long2ice. |
+
+## License
+
+This project is licensed under the
+[Apache-2.0](https://github.com/long2ice/aerich/blob/master/LICENSE) License.
--- a/README.rst
+++ b/README.rst
@@ -1,145 +0,0 @@
-======
-Aerich
-======
-
-.. image:: https://img.shields.io/pypi/v/aerich.svg?style=flat
-   :target: https://pypi.python.org/pypi/aerich
-.. image:: https://img.shields.io/github/license/long2ice/aerich
-   :target: https://github.com/long2ice/aerich
-.. image:: https://github.com/long2ice/aerich/workflows/pypi/badge.svg
-   :target: https://github.com/long2ice/aerich/actions?query=workflow:pypi
-
-Introduction
-============
-
-Tortoise-ORM is the best asyncio ORM now, but it lacks a database migrations tool like alembic for SQLAlchemy, or Django ORM with it's own migrations tool.
-
-This project aim to be a best migrations tool for Tortoise-ORM and which written by one of contributors of Tortoise-ORM.
-
-Install
-=======
-
-Just install from pypi:
-
-.. code-block:: shell
-
-    $ pip install aerich
-
-Quick Start
-===========
-
-.. code-block:: shell
-
-    $ aerich -h
-
-    Usage: aerich [OPTIONS] COMMAND [ARGS]...
-
-    Options:
-      -c, --config TEXT  Config file.  [default: aerich.ini]
-      --app TEXT         Tortoise-ORM app name.  [default: models]
-      -n, --name TEXT    Name of section in .ini file to use for aerich config.
-                         [default: aerich]
-      -h, --help         Show this message and exit.
-
-    Commands:
-      downgrade  Downgrade to previous version.
-      heads      Show current available heads in migrate location.
-      history    List all migrate items.
-      init       Init config file and generate root migrate location.
-      init-db    Generate schema and generate app migrate location.
-      migrate    Generate migrate changes file.
-      upgrade    Upgrade to latest version.
-
-Usage
-=====
-
-Initialization
--------------
-
-.. code-block:: shell
-
-    $ aerich init -h
-
-    Usage: aerich init [OPTIONS]
-
-      Init config file and generate root migrate location.
-
-    Options:
-      -t, --tortoise-orm TEXT  Tortoise-ORM config module dict variable, like settings.TORTOISE_ORM.
-                               [required]
-      --location TEXT          Migrate store location.  [default: ./migrations]
-      -h, --help               Show this message and exit.
-
-Init config file and location:
-
-.. code-block:: shell
-
-    $ aerich init -t tests.backends.mysql.TORTOISE_ORM
-
-    Success create migrate location ./migrations
-    Success generate config file aerich.ini
-
-Init db
-------
-
-.. code-block:: shell
-
-    $ aerich init-db
-
-    Success create app migrate location ./migrations/models
-    Success generate schema for app "models"
-
-Update models and make migrate
------------------------------
-
-.. code-block:: shell
-
-    $ aerich migrate --name drop_column
-
-    Success migrate 1_202029051520102929_drop_column.json
-
-Format of migrate filename is ``{version}_{datetime}_{name|update}.json``
-
-Upgrade to latest version
-------------------------
-
-.. code-block:: shell
-
-    $ aerich upgrade
-
-    Success upgrade 1_202029051520102929_drop_column.json
-
-Now your db is migrated to latest.
-
-Downgrade to previous version
-----------------------------
-
-.. code-block:: shell
-
-    $ aerich downgrade
-
-    Success downgrade 1_202029051520102929_drop_column.json
-
-Now your db rollback to previous version.
-
-Show history
------------
-
-.. code-block:: shell
-
-    $ aerich history
-
-    1_202029051520102929_drop_column.json
-
-Show heads to be migrated
-------------------------
-
-.. code-block:: shell
-
-    $ aerich heads
-
-    1_202029051520102929_drop_column.json
-
-License
-=======
-This project is licensed under the `MIT <https://github.com/long2ice/aerich/blob/master/LICENSE>`_ License.
--- a/aerich/init.py
+++ b/aerich/init.py
@@ -1 +1 @@
-__version__ = "0.1.4"
+__version__ = "0.2.3"
--- a/aerich/cli.py
+++ b/aerich/cli.py
@@ -1,17 +1,23 @@
+import functools
 import json
 import os
 import sys
 from configparser import ConfigParser
 from enum import Enum
-from . import __version__
+
 import asyncclick as click
 from asyncclick import Context, UsageError
-from tortoise import ConfigurationError, Tortoise, generate_schema_for_client
+from tortoise import Tortoise, generate_schema_for_client
+from tortoise.exceptions import OperationalError
 from tortoise.transactions import in_transaction
+from tortoise.utils import get_schema_sql

 from aerich.migrate import Migrate
 from aerich.utils import get_app_connection, get_app_connection_name, get_tortoise_config

+from . import __version__
+from .models import Aerich
+

 class Color(str, Enum):
    green = "green"
@@ -22,12 +28,22 @@ class Color(str, Enum):
 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__)
+@click.version_option(__version__, "-V", "--version")
@click.option(
    "-c", "--config", default="aerich.ini", show_default=True, help="Config file.",
 )
-@click.option("--app", default="models", show_default=True, help="Tortoise-ORM app name.")
+@click.option("--app", required=False, help="Tortoise-ORM app name.")
@click.option(
    "-n",
    "--name",
@@ -38,8 +54,9 @@ parser = ConfigParser()
@click.pass_context
 async def cli(ctx: Context, config, app, name):
    ctx.ensure_object(dict)
-    ctx.obj["config"] = config
+    ctx.obj["config_file"] = config
    ctx.obj["name"] = name
+
    invoked_subcommand = ctx.invoked_subcommand
    if invoked_subcommand != "init":
        if not os.path.exists(config):
@@ -50,27 +67,27 @@ async def cli(ctx: Context, config, app, name):
        tortoise_orm = parser[name]["tortoise_orm"]

        tortoise_config = get_tortoise_config(ctx, tortoise_orm)
-
+        app = app or list(tortoise_config.get("apps").keys())[0]
+        if "aerich.models" not in tortoise_config.get("apps").get(app).get("models"):
+            raise UsageError("Check your tortoise config and add aerich.models to it.", ctx=ctx)
        ctx.obj["config"] = tortoise_config
        ctx.obj["location"] = location
        ctx.obj["app"] = app

        if invoked_subcommand != "init-db":
-            try:
-                await Migrate.init_with_old_models(tortoise_config, app, location)
-            except ConfigurationError:
-                raise UsageError(ctx=ctx, message="You must exec ini-db first")
+            await Migrate.init_with_old_models(tortoise_config, app, location)


@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 = Migrate.migrate(name)
+    ret = await Migrate.migrate(name)
    if not ret:
        return click.secho("No changes detected", fg=Color.yellow)
    Migrate.write_old_models(config, app, location)
@@ -79,65 +96,78 @@ async def migrate(ctx: Context, name):

@cli.command(help="Upgrade to latest version.")
@click.pass_context
+@close_db
 async def upgrade(ctx: Context):
-    app = ctx.obj["app"]
    config = ctx.obj["config"]
-    available_versions = Migrate.get_all_version_files(is_all=False)
-    if not available_versions:
-        return click.secho("No migrate items", fg=Color.yellow)
-    async with in_transaction(get_app_connection_name(config, app)) as conn:
-        for file in available_versions:
-            file_path = os.path.join(Migrate.migrate_location, file)
-            with open(file_path, "r") as f:
-                content = json.load(f)
-                upgrade_query_list = content.get("upgrade")
-                for upgrade_query in upgrade_query_list:
-                    await conn.execute_query(upgrade_query)
-
-            with open(file_path, "w") as f:
-                content["migrate"] = True
-                json.dump(content, f, indent=2, ensure_ascii=False)
-                click.secho(f"Success upgrade {file}", fg=Color.green)
+    app = ctx.obj["app"]
+    migrated = False
+    for version in Migrate.get_all_version_files():
+        try:
+            exists = await Aerich.exists(version=version, app=app)
+        except OperationalError:
+            exists = False
+        if not exists:
+            async with in_transaction(get_app_connection_name(config, app)) as conn:
+                file_path = os.path.join(Migrate.migrate_location, version)
+                with open(file_path, "r", encoding="utf-8") as f:
+                    content = json.load(f)
+                    upgrade_query_list = content.get("upgrade")
+                    for upgrade_query in upgrade_query_list:
+                        await conn.execute_script(upgrade_query)
+                await Aerich.create(version=version, app=app)
+            click.secho(f"Success upgrade {version}", fg=Color.green)
+            migrated = True
+    if not migrated:
+        click.secho("No migrate items", fg=Color.yellow)


@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"]
-    available_versions = Migrate.get_all_version_files()
-    if not available_versions:
-        return click.secho("No migrate items", fg=Color.yellow)
-
+    last_version = await Migrate.get_last_version()
+    if not last_version:
+        return click.secho("No last version found", fg=Color.yellow)
+    file = last_version.version
    async with in_transaction(get_app_connection_name(config, app)) as conn:
-        for file in reversed(available_versions):
-            file_path = os.path.join(Migrate.migrate_location, file)
-            with open(file_path, "r") as f:
-                content = json.load(f)
-                if content.get("migrate"):
-                    downgrade_query_list = content.get("downgrade")
-                    for downgrade_query in downgrade_query_list:
-                        await conn.execute_query(downgrade_query)
-                else:
-                    continue
-            with open(file_path, "w") as f:
-                content["migrate"] = False
-                json.dump(content, f, indent=2, ensure_ascii=False)
-                return click.secho(f"Success downgrade {file}", fg=Color.green)
+        file_path = os.path.join(Migrate.migrate_location, file)
+        with open(file_path, "r", encoding="utf-8") as f:
+            content = json.load(f)
+            downgrade_query_list = content.get("downgrade")
+            if not downgrade_query_list:
+                return click.secho("No downgrade item found", fg=Color.yellow)
+            for downgrade_query in downgrade_query_list:
+                await conn.execute_query(downgrade_query)
+            await last_version.delete()
+        return click.secho(f"Success downgrade {file}", fg=Color.green)


@cli.command(help="Show current available heads in migrate location.")
@click.pass_context
-def heads(ctx: Context):
-    for version in Migrate.get_all_version_files(is_all=False):
-        click.secho(version, fg=Color.green)
+@close_db
+async def heads(ctx: Context):
+    app = ctx.obj["app"]
+    versions = Migrate.get_all_version_files()
+    is_heads = False
+    for version in versions:
+        if not await Aerich.exists(version=version, app=app):
+            click.secho(version, fg=Color.green)
+            is_heads = True
+    if not is_heads:
+        click.secho("No available heads,try migrate", fg=Color.green)


@cli.command(help="List all migrate items.")
@click.pass_context
-def history(ctx):
-    for version in Migrate.get_all_version_files():
+@close_db
+async def history(ctx: Context):
+    versions = Migrate.get_all_version_files()
+    for version in versions:
        click.secho(version, fg=Color.green)
+    if not versions:
+        click.secho("No history,try migrate", fg=Color.green)


@cli.command(help="Init config file and generate root migrate location.")
@@ -152,34 +182,37 @@ def history(ctx):
 )
@click.pass_context
 async def init(
-        ctx: Context, tortoise_orm, location,
+    ctx: Context, tortoise_orm, location,
 ):
-    config = ctx.obj["config"]
+    config_file = ctx.obj["config_file"]
    name = ctx.obj["name"]
+    if os.path.exists(config_file):
+        return click.secho("You have inited", fg=Color.yellow)

    parser.add_section(name)
    parser.set(name, "tortoise_orm", tortoise_orm)
    parser.set(name, "location", location)

-    with open(config, "w") as f:
+    with open(config_file, "w", encoding="utf-8") as f:
        parser.write(f)

    if not os.path.isdir(location):
        os.mkdir(location)

    click.secho(f"Success create migrate location {location}", fg=Color.green)
-    click.secho(f"Success generate config file {config}", fg=Color.green)
+    click.secho(f"Success generate config file {config_file}", fg=Color.green)


@cli.command(help="Generate schema and generate app migrate location.")
@click.option(
    "--safe",
-    is_flag=True,
+    type=bool,
    default=True,
    help="When set to true, creates the table only when it does not already exist.",
    show_default=True,
 )
@click.pass_context
+@close_db
 async def init_db(ctx: Context, safe):
    config = ctx.obj["config"]
    location = ctx.obj["location"]
@@ -190,7 +223,7 @@ async def init_db(ctx: Context, safe):
        os.mkdir(dirname)
        click.secho(f"Success create app migrate location {dirname}", fg=Color.green)
    else:
-        return click.secho(f'Already inited app "{app}"', fg=Color.yellow)
+        return click.secho(f"Inited {app} already", fg=Color.yellow)

    Migrate.write_old_models(config, app, location)

@@ -198,6 +231,15 @@ async def init_db(ctx: Context, safe):
    connection = get_app_connection(config, app)
    await generate_schema_for_client(connection, safe)

+    schema = get_schema_sql(connection, safe)
+
+    version = await Migrate.generate_version()
+    await Aerich.create(version=version, app=app)
+    with open(os.path.join(dirname, version), "w", encoding="utf-8") as f:
+        content = {
+            "upgrade": [schema],
+        }
+        json.dump(content, f, ensure_ascii=False, indent=2)
    return click.secho(f'Success generate schema for app "{app}"', fg=Color.green)


--- a/aerich/ddl/init.py
+++ b/aerich/ddl/init.py
@@ -8,16 +8,17 @@ from tortoise.fields import Field, JSONField, TextField, UUIDField
 class BaseDDL:
    schema_generator_cls: Type[BaseSchemaGenerator] = BaseSchemaGenerator
    DIALECT = "sql"
-    _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}"
+    _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}"'
    _ADD_INDEX_TEMPLATE = (
-        "ALTER TABLE {table_name} ADD {unique} INDEX {index_name} ({column_names})"
+        'ALTER TABLE "{table_name}" ADD {unique} INDEX "{index_name}" ({column_names})'
    )
-    _DROP_INDEX_TEMPLATE = "ALTER TABLE {table_name} DROP INDEX {index_name}"
-    _ADD_FK_TEMPLATE = "ALTER TABLE {table_name} ADD CONSTRAINT `{fk_name}` FOREIGN KEY (`{db_column}`) REFERENCES `{table}` (`{field}`) ON DELETE {on_delete}"
-    _DROP_FK_TEMPLATE = "ALTER TABLE {table_name} DROP FOREIGN KEY {fk_name}"
-    _M2M_TABLE_TEMPLATE = "CREATE TABLE {table_name} ({backward_key} {backward_type} NOT NULL REFERENCES {backward_table} ({backward_field}) ON DELETE CASCADE,{forward_key} {forward_type} NOT NULL REFERENCES {forward_table} ({forward_field}) ON DELETE CASCADE){extra}{comment};"
+    _DROP_INDEX_TEMPLATE = 'ALTER TABLE "{table_name}" DROP INDEX "{index_name}"'
+    _ADD_FK_TEMPLATE = 'ALTER TABLE "{table_name}" ADD CONSTRAINT "{fk_name}" FOREIGN KEY ("{db_column}") REFERENCES "{table}" ("{field}") ON DELETE {on_delete}'
+    _DROP_FK_TEMPLATE = 'ALTER TABLE "{table_name}" DROP FOREIGN KEY "{fk_name}"'
+    _M2M_TABLE_TEMPLATE = 'CREATE TABLE "{table_name}" ("{backward_key}" {backward_type} NOT NULL REFERENCES "{backward_table}" ("{backward_field}") ON DELETE CASCADE,"{forward_key}" {forward_type} NOT NULL REFERENCES "{forward_table}" ("{forward_field}") ON DELETE CASCADE){extra}{comment};'
+    _MODIFY_COLUMN_TEMPLATE = 'ALTER TABLE "{table_name}" MODIFY COLUMN {column}'

    def __init__(self, client: "BaseDBAsyncClient"):
        self.client = client
@@ -51,7 +52,7 @@ class BaseDDL:
    def drop_m2m(self, field: ManyToManyFieldInstance):
        return self._DROP_TABLE_TEMPLATE.format(table_name=field.through)

-    def add_column(self, model: "Type[Model]", field_object: Field):
+    def _get_default(self, model: "Type[Model]", field_object: Field):
        db_table = model._meta.db_table
        default = field_object.default
        db_column = field_object.model_field_name
@@ -74,6 +75,11 @@ class BaseDDL:
                    default = ""
        else:
            default = ""
+        return default
+
+    def add_column(self, model: "Type[Model]", field_object: Field):
+        db_table = model._meta.db_table
+
        return self._ADD_COLUMN_TEMPLATE.format(
            table_name=db_table,
            column=self.schema_generator._create_string(
@@ -89,7 +95,7 @@ class BaseDDL:
                if field_object.description
                else "",
                is_primary_key=field_object.pk,
-                default=default,
+                default=self._get_default(model, field_object),
            ),
        )

@@ -98,6 +104,27 @@ class BaseDDL:
            table_name=model._meta.db_table, column_name=column_name
        )

+    def modify_column(self, model: "Type[Model]", field_object: Field):
+        db_table = model._meta.db_table
+        return self._MODIFY_COLUMN_TEMPLATE.format(
+            table_name=db_table,
+            column=self.schema_generator._create_string(
+                db_column=field_object.model_field_name,
+                field_type=field_object.get_for_dialect(self.DIALECT, "SQL_TYPE"),
+                nullable="NOT NULL" if not field_object.null else "",
+                unique="",
+                comment=self.schema_generator._column_comment_generator(
+                    table=db_table,
+                    column=field_object.model_field_name,
+                    comment=field_object.description,
+                )
+                if field_object.description
+                else "",
+                is_primary_key=field_object.pk,
+                default=self._get_default(model, field_object),
+            ),
+        )
+
    def add_index(self, model: "Type[Model]", field_names: List[str], unique=False):
        return self._ADD_INDEX_TEMPLATE.format(
            unique="UNIQUE" if unique else "",
@@ -152,3 +179,12 @@ class BaseDDL:
                to_field=to_field_name,
            ),
        )
+
+    def alter_column_default(self, model: "Type[Model]", field_object: Field):
+        pass
+
+    def alter_column_null(self, model: "Type[Model]", field_object: Field):
+        pass
+
+    def set_comment(self, model: "Type[Model]", field_object: Field):
+        pass
--- a/aerich/ddl/mysql/init.py
+++ b/aerich/ddl/mysql/init.py
@@ -6,3 +6,14 @@ from aerich.ddl import BaseDDL
 class MysqlDDL(BaseDDL):
    schema_generator_cls = MySQLSchemaGenerator
    DIALECT = MySQLSchemaGenerator.DIALECT
+    _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}`"
+    _ADD_INDEX_TEMPLATE = (
+        "ALTER TABLE `{table_name}` ADD {unique} INDEX `{index_name}` ({column_names})"
+    )
+    _DROP_INDEX_TEMPLATE = "ALTER TABLE `{table_name}` DROP INDEX `{index_name}`"
+    _ADD_FK_TEMPLATE = "ALTER TABLE `{table_name}` ADD CONSTRAINT `{fk_name}` FOREIGN KEY (`{db_column}`) REFERENCES `{table}` (`{field}`) ON DELETE {on_delete}"
+    _DROP_FK_TEMPLATE = "ALTER TABLE `{table_name}` DROP FOREIGN KEY `{fk_name}`"
+    _M2M_TABLE_TEMPLATE = "CREATE TABLE `{table_name}` (`{backward_key}` {backward_type} NOT NULL REFERENCES `{backward_table}` (`{backward_field}`) ON DELETE CASCADE,`{forward_key}` {forward_type} NOT NULL REFERENCES `{forward_table}` (`{forward_field}`) ON DELETE CASCADE){extra}{comment};"
+    _MODIFY_COLUMN_TEMPLATE = "ALTER TABLE `{table_name}` MODIFY COLUMN {column}"
--- a/aerich/ddl/postgres/init.py
+++ b/aerich/ddl/postgres/init.py
@@ -0,0 +1,75 @@
+from typing import List, Type
+
+from tortoise import Model
+from tortoise.backends.asyncpg.schema_generator import AsyncpgSchemaGenerator
+from tortoise.fields import Field
+
+from aerich.ddl import BaseDDL
+
+
+class PostgresDDL(BaseDDL):
+    schema_generator_cls = AsyncpgSchemaGenerator
+    DIALECT = AsyncpgSchemaGenerator.DIALECT
+    _ADD_INDEX_TEMPLATE = 'CREATE INDEX "{index_name}" ON "{table_name}" ({column_names})'
+    _ADD_UNIQUE_TEMPLATE = (
+        'ALTER TABLE "{table_name}" ADD CONSTRAINT "{index_name}" UNIQUE ({column_names})'
+    )
+    _DROP_INDEX_TEMPLATE = 'DROP INDEX "{index_name}"'
+    _DROP_UNIQUE_TEMPLATE = 'ALTER TABLE "{table_name}" DROP CONSTRAINT "{index_name}"'
+    _ALTER_DEFAULT_TEMPLATE = 'ALTER TABLE "{table_name}" ALTER COLUMN "{column}" {default}'
+    _ALTER_NULL_TEMPLATE = 'ALTER TABLE "{table_name}" ALTER COLUMN "{column}" {set_drop} NOT NULL'
+    _MODIFY_COLUMN_TEMPLATE = 'ALTER TABLE "{table_name}" ALTER COLUMN "{column}" TYPE {datatype}'
+    _SET_COMMENT_TEMPLATE = 'COMMENT ON COLUMN "{table_name}"."{column}" IS {comment}'
+    _DROP_FK_TEMPLATE = 'ALTER TABLE "{table_name}" DROP CONSTRAINT "{fk_name}"'
+
+    def alter_column_default(self, model: "Type[Model]", field_object: Field):
+        db_table = model._meta.db_table
+        default = self._get_default(model, field_object)
+        return self._ALTER_DEFAULT_TEMPLATE.format(
+            table_name=db_table,
+            column=field_object.model_field_name,
+            default="SET" + default if default else "DROP DEFAULT",
+        )
+
+    def alter_column_null(self, model: "Type[Model]", field_object: Field):
+        db_table = model._meta.db_table
+        return self._ALTER_NULL_TEMPLATE.format(
+            table_name=db_table,
+            column=field_object.model_field_name,
+            set_drop="DROP" if field_object.null else "SET",
+        )
+
+    def modify_column(self, model: "Type[Model]", field_object: Field):
+        db_table = model._meta.db_table
+        return self._MODIFY_COLUMN_TEMPLATE.format(
+            table_name=db_table,
+            column=field_object.model_field_name,
+            datatype=field_object.get_for_dialect(self.DIALECT, "SQL_TYPE"),
+        )
+
+    def add_index(self, model: "Type[Model]", field_names: List[str], unique=False):
+        template = self._ADD_UNIQUE_TEMPLATE if unique else self._ADD_INDEX_TEMPLATE
+        return template.format(
+            index_name=self.schema_generator._generate_index_name(
+                "uid" if unique else "idx", model, field_names
+            ),
+            table_name=model._meta.db_table,
+            column_names=", ".join([self.schema_generator.quote(f) for f in field_names]),
+        )
+
+    def drop_index(self, model: "Type[Model]", field_names: List[str], unique=False):
+        template = self._DROP_UNIQUE_TEMPLATE if unique else self._DROP_INDEX_TEMPLATE
+        return template.format(
+            index_name=self.schema_generator._generate_index_name(
+                "uid" if unique else "idx", model, field_names
+            ),
+            table_name=model._meta.db_table,
+        )
+
+    def set_comment(self, model: "Type[Model]", field_object: Field):
+        db_table = model._meta.db_table
+        return self._SET_COMMENT_TEMPLATE.format(
+            table_name=db_table,
+            column=field_object.model_field_name,
+            comment="'{}'".format(field_object.description) if field_object.description else "NULL",
+        )
--- a/aerich/ddl/sqlite/init.py
+++ b/aerich/ddl/sqlite/init.py
@@ -0,0 +1,8 @@
+from tortoise.backends.sqlite.schema_generator import SqliteSchemaGenerator
+
+from aerich.ddl import BaseDDL
+
+
+class SqliteDDL(BaseDDL):
+    schema_generator_cls = SqliteSchemaGenerator
+    DIALECT = SqliteSchemaGenerator.DIALECT
--- a/aerich/migrate.py
+++ b/aerich/migrate.py
@@ -1,9 +1,9 @@
 import json
 import os
 import re
-from copy import deepcopy
 from datetime import datetime
-from typing import Dict, List, Type
+from importlib import import_module
+from typing import Dict, List, Tuple, Type

 from tortoise import (
    BackwardFKRelation,
@@ -13,12 +13,10 @@ from tortoise import (
    Model,
    Tortoise,
 )
-from tortoise.backends.mysql.schema_generator import MySQLSchemaGenerator
 from tortoise.fields import Field

 from aerich.ddl import BaseDDL
-from aerich.ddl.mysql import MysqlDDL
-from aerich.exceptions import ConfigurationError
+from aerich.models import MAX_VERSION_LENGTH, Aerich
 from aerich.utils import get_app_connection


@@ -29,6 +27,7 @@ class Migrate:
    _downgrade_fk_m2m_index_operators: List[str] = []
    _upgrade_m2m: List[str] = []
    _downgrade_m2m: List[str] = []
+    _aerich = Aerich.__name__

    ddl: BaseDDL
    migrate_config: dict
@@ -36,32 +35,22 @@ class Migrate:
    diff_app = "diff_models"
    app: str
    migrate_location: str
+    dialect: str

    @classmethod
    def get_old_model_file(cls):
        return cls.old_models + ".py"

    @classmethod
-    def _get_all_migrate_files(cls):
-        return sorted(filter(lambda x: x.endswith("json"), os.listdir(cls.migrate_location)))
+    def get_all_version_files(cls) -> List[str]:
+        return sorted(
+            filter(lambda x: x.endswith("json"), os.listdir(cls.migrate_location)),
+            key=lambda x: int(x.split("_")[0]),
+        )

    @classmethod
-    def _get_latest_version(cls) -> int:
-        ret = cls._get_all_migrate_files()
-        if ret:
-            return int(ret[-1].split("_")[0])
-        return 0
-
-    @classmethod
-    def get_all_version_files(cls, is_all=True):
-        files = cls._get_all_migrate_files()
-        ret = []
-        for file in files:
-            with open(os.path.join(cls.migrate_location, file), "r") as f:
-                content = json.load(f)
-                if is_all or not content.get("migrate"):
-                    ret.append(file)
-        return ret
+    async def get_last_version(cls) -> Aerich:
+        return await Aerich.filter(app=cls.app).first()

    @classmethod
    async def init_with_old_models(cls, config: dict, app: str, location: str):
@@ -74,46 +63,70 @@ class Migrate:
        await Tortoise.init(config=migrate_config)

        connection = get_app_connection(config, app)
-        if connection.schema_generator is MySQLSchemaGenerator:
+        cls.dialect = connection.schema_generator.DIALECT
+        if cls.dialect == "mysql":
+            from aerich.ddl.mysql import MysqlDDL
+
            cls.ddl = MysqlDDL(connection)
-        else:
-            raise NotImplementedError("Current only support MySQL")
+        elif cls.dialect == "sqlite":
+            from aerich.ddl.sqlite import SqliteDDL
+
+            cls.ddl = SqliteDDL(connection)
+        elif cls.dialect == "postgres":
+            from aerich.ddl.postgres import PostgresDDL
+
+            cls.ddl = PostgresDDL(connection)

    @classmethod
-    def _generate_diff_sql(cls, name):
-        now = datetime.now().strftime("%Y%M%D%H%M%S").replace("/", "")
-        filename = f"{cls._get_latest_version() + 1}_{now}_{name}.json"
+    async def _get_last_version_num(cls):
+        last_version = await cls.get_last_version()
+        if not last_version:
+            return None
+        version = last_version.version
+        return int(version.split("_", 1)[0])
+
+    @classmethod
+    async def generate_version(cls, name=None):
+        now = datetime.now().strftime("%Y%m%d%H%M%S").replace("/", "")
+        last_version_num = await cls._get_last_version_num()
+        if last_version_num is None:
+            return f"0_{now}_init.json"
+        version = f"{last_version_num + 1}_{now}_{name}.json"
+        if len(version) > MAX_VERSION_LENGTH:
+            raise ValueError(f"Version name exceeds maximum length ({MAX_VERSION_LENGTH})")
+        return version
+
+    @classmethod
+    async def _generate_diff_sql(cls, name):
+        version = await cls.generate_version(name)
        content = {
            "upgrade": cls.upgrade_operators,
            "downgrade": cls.downgrade_operators,
-            "migrate": False,
        }
-        with open(os.path.join(cls.migrate_location, filename), "w") as f:
+        with open(os.path.join(cls.migrate_location, version), "w", encoding="utf-8") as f:
            json.dump(content, f, indent=2, ensure_ascii=False)
-        return filename
+        return version

    @classmethod
-    def migrate(cls, name):
+    async def migrate(cls, name) -> str:
        """
        diff old models and new models to generate diff content
        :param name:
        :return:
        """
-        if not cls.migrate_config:
-            raise ConfigurationError("You must call init_with_old_models() first!")
        apps = Tortoise.apps
        diff_models = apps.get(cls.diff_app)
        app_models = apps.get(cls.app)

-        cls._diff_models(diff_models, app_models)
-        cls._diff_models(app_models, diff_models, False)
+        cls.diff_models(diff_models, app_models)
+        cls.diff_models(app_models, diff_models, False)

        cls._merge_operators()

        if not cls.upgrade_operators:
-            return False
+            return ""

-        return cls._generate_diff_sql(name)
+        return await cls._generate_diff_sql(name)

    @classmethod
    def _add_operator(cls, operator: str, upgrade=True, fk=False):
@@ -146,12 +159,13 @@ class Migrate:
        :param old_model_file:
        :return:
        """
-        pattern = rf"\(('|\")({app})(.\w+)('|\")"
+        pattern = rf"(\n)?('|\")({app})(.\w+)('|\")"
        for i, model_file in enumerate(model_files):
-            with open(model_file, "r") as f:
+            with open(model_file, "r", encoding="utf-8") as f:
                content = f.read()
-            ret = re.sub(pattern, rf"(\1{cls.diff_app}\3\4", content)
-            with open(old_model_file, "w" if i == 0 else "w+a") as f:
+            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)

    @classmethod
@@ -163,11 +177,13 @@ class Migrate:
        :param location:
        :return:
        """
-        temp_config = deepcopy(config)
        path = os.path.join(location, app, cls.old_models)
-        path = path.replace("/", ".").lstrip(".")
-        temp_config["apps"][cls.diff_app] = {"models": [path]}
-        return temp_config
+        path = path.replace(os.sep, ".").lstrip(".")
+        config["apps"][cls.diff_app] = {
+            "models": [path],
+            "default_connection": config.get("apps").get(app).get("default_connection", "default"),
+        }
+        return config

    @classmethod
    def write_old_models(cls, config: dict, app: str, location: str):
@@ -178,15 +194,17 @@ class Migrate:
        :param location:
        :return:
        """
+        cls.app = app
+
        old_model_files = []
        models = config.get("apps").get(app).get("models")
        for model in models:
-            old_model_files.append(model.replace(".", "/") + ".py")
+            old_model_files.append(import_module(model).__file__)

        cls.cp_models(app, old_model_files, os.path.join(location, app, cls.get_old_model_file()))

    @classmethod
-    def _diff_models(
+    def diff_models(
        cls, old_models: Dict[str, Type[Model]], new_models: Dict[str, Type[Model]], upgrade=True
    ):
        """
@@ -196,6 +214,9 @@ class Migrate:
        :param upgrade:
        :return:
        """
+        old_models.pop(cls._aerich, None)
+        new_models.pop(cls._aerich, None)
+
        for new_model_str, new_model in new_models.items():
            if new_model_str not in old_models.keys():
                cls._add_operator(cls.add_model(new_model), upgrade)
@@ -206,6 +227,10 @@ class Migrate:
            if old_model not in new_models.keys():
                cls._add_operator(cls.remove_model(old_models.get(old_model)), upgrade)

+    @classmethod
+    def _is_fk_m2m(cls, field: Field):
+        return isinstance(field, (ForeignKeyFieldInstance, ManyToManyFieldInstance))
+
    @classmethod
    def add_model(cls, model: Type[Model]):
        return cls.ddl.create_table(model)
@@ -246,32 +271,51 @@ class Migrate:
                )
            else:
                old_field = old_fields_map.get(new_key)
+                new_field_dict = new_field.describe(serializable=True)
+                new_field_dict.pop("unique")
+                new_field_dict.pop("indexed")
+                old_field_dict = old_field.describe(serializable=True)
+                old_field_dict.pop("unique")
+                old_field_dict.pop("indexed")
+                if not cls._is_fk_m2m(new_field) and new_field_dict != old_field_dict:
+                    if cls.dialect == "postgres":
+                        if new_field.null != old_field.null:
+                            cls._add_operator(
+                                cls._alter_null(new_model, new_field), upgrade=upgrade
+                            )
+                        if new_field.default != old_field.default:
+                            cls._add_operator(
+                                cls._alter_default(new_model, new_field), upgrade=upgrade
+                            )
+                        if new_field.description != old_field.description:
+                            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 (old_field.index and not new_field.index) or (
                    old_field.unique and not new_field.unique
                ):
                    cls._add_operator(
                        cls._remove_index(
-                            old_model, [old_field.model_field_name], old_field.unique
+                            old_model, (old_field.model_field_name,), old_field.unique
                        ),
                        upgrade,
-                        isinstance(old_field, (ForeignKeyFieldInstance, ManyToManyFieldInstance)),
+                        cls._is_fk_m2m(old_field),
                    )
                elif (new_field.index and not old_field.index) or (
                    new_field.unique and not old_field.unique
                ):
                    cls._add_operator(
-                        cls._add_index(new_model, [new_field.model_field_name], new_field.unique),
+                        cls._add_index(new_model, (new_field.model_field_name,), new_field.unique),
                        upgrade,
-                        isinstance(new_field, (ForeignKeyFieldInstance, ManyToManyFieldInstance)),
+                        cls._is_fk_m2m(new_field),
                    )

        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(
-                    cls._remove_field(old_model, field),
-                    upgrade,
-                    isinstance(field, (ForeignKeyFieldInstance, ManyToManyFieldInstance)),
+                    cls._remove_field(old_model, field), upgrade, cls._is_fk_m2m(field),
                )

        for new_index in new_indexes:
@@ -290,7 +334,7 @@ class Migrate:
                cls._add_operator(cls._remove_index(old_model, old_unique, unique=True), upgrade)

    @classmethod
-    def _resolve_fk_fields_name(cls, model: Type[Model], fields_name: List[str]):
+    def _resolve_fk_fields_name(cls, model: Type[Model], fields_name: Tuple[str]):
        ret = []
        for field_name in fields_name:
            if field_name in model._meta.fk_fields:
@@ -300,12 +344,12 @@ class Migrate:
        return ret

    @classmethod
-    def _remove_index(cls, model: Type[Model], fields_name: List[str], unique=False):
+    def _remove_index(cls, model: Type[Model], fields_name: Tuple[str], unique=False):
        fields_name = cls._resolve_fk_fields_name(model, fields_name)
        return cls.ddl.drop_index(model, fields_name, unique)

    @classmethod
-    def _add_index(cls, model: Type[Model], fields_name: List[str], unique=False):
+    def _add_index(cls, model: Type[Model], fields_name: Tuple[str], unique=False):
        fields_name = cls._resolve_fk_fields_name(model, fields_name)
        return cls.ddl.add_index(model, fields_name, unique)

@@ -340,6 +384,22 @@ class Migrate:
            return cls.ddl.create_m2m_table(model, field)
        return cls.ddl.add_column(model, field)

+    @classmethod
+    def _alter_default(cls, model: Type[Model], field: Field):
+        return cls.ddl.alter_column_default(model, field)
+
+    @classmethod
+    def _alter_null(cls, model: Type[Model], field: Field):
+        return cls.ddl.alter_column_null(model, field)
+
+    @classmethod
+    def _set_comment(cls, model: Type[Model], field: Field):
+        return cls.ddl.set_comment(model, field)
+
+    @classmethod
+    def _modify_field(cls, model: Type[Model], field: Field):
+        return cls.ddl.modify_column(model, field)
+
    @classmethod
    def _remove_field(cls, model: Type[Model], field: Field):
        if isinstance(field, ForeignKeyFieldInstance):
--- a/aerich/models.py
+++ b/aerich/models.py
@@ -0,0 +1,11 @@
+from tortoise import Model, fields
+
+MAX_VERSION_LENGTH = 255
+
+
+class Aerich(Model):
+    version = fields.CharField(max_length=MAX_VERSION_LENGTH)
+    app = fields.CharField(max_length=20)
+
+    class Meta:
+        ordering = ["-id"]
--- a/aerich/utils.py
+++ b/aerich/utils.py
@@ -1,20 +1,20 @@
 import importlib

 from asyncclick import BadOptionUsage, Context
-from tortoise import Tortoise
+from tortoise import BaseDBAsyncClient, Tortoise


-def get_app_connection_name(config, app):
+def get_app_connection_name(config, app) -> str:
    """
    get connection name
    :param config:
    :param app:
    :return:
    """
-    return config.get("apps").get(app).get("default_connection")
+    return config.get("apps").get(app).get("default_connection", "default")


-def get_app_connection(config, app):
+def get_app_connection(config, app) -> BaseDBAsyncClient:
    """
    get connection name
    :param config:
--- a/conftest.py
+++ b/conftest.py
@@ -0,0 +1,61 @@
+import asyncio
+import os
+
+import pytest
+from tortoise import Tortoise, expand_db_url, generate_schema_for_client
+from tortoise.backends.asyncpg.schema_generator import AsyncpgSchemaGenerator
+from tortoise.backends.mysql.schema_generator import MySQLSchemaGenerator
+from tortoise.backends.sqlite.schema_generator import SqliteSchemaGenerator
+
+from aerich.ddl.mysql import MysqlDDL
+from aerich.ddl.postgres import PostgresDDL
+from aerich.ddl.sqlite import SqliteDDL
+from aerich.migrate import Migrate
+
+db_url = os.getenv("TEST_DB", "sqlite://:memory:")
+tortoise_orm = {
+    "connections": {"default": expand_db_url(db_url, True)},
+    "apps": {
+        "models": {"models": ["tests.models", "aerich.models"], "default_connection": "default"},
+    },
+}
+
+
+@pytest.fixture(scope="function", autouse=True)
+def reset_migrate():
+    Migrate.upgrade_operators = []
+    Migrate.downgrade_operators = []
+    Migrate._upgrade_fk_m2m_index_operators = []
+    Migrate._downgrade_fk_m2m_index_operators = []
+    Migrate._upgrade_m2m = []
+    Migrate._downgrade_m2m = []
+
+
+@pytest.fixture(scope="session")
+def loop():
+    loop = asyncio.get_event_loop()
+    return loop
+
+
+@pytest.fixture(scope="session", autouse=True)
+def initialize_tests(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))
+    loop.run_until_complete(
+        generate_schema_for_client(Tortoise.get_connection("default"), safe=True)
+    )
+
+    client = Tortoise.get_connection("default")
+    if client.schema_generator is MySQLSchemaGenerator:
+        Migrate.ddl = MysqlDDL(client)
+    elif client.schema_generator is SqliteSchemaGenerator:
+        Migrate.ddl = SqliteDDL(client)
+    elif client.schema_generator is AsyncpgSchemaGenerator:
+        Migrate.ddl = PostgresDDL(client)
+
+    request.addfinalizer(lambda: loop.run_until_complete(Tortoise._drop_databases()))
--- a/images/alipay.jpeg
+++ b/images/alipay.jpeg
--- a/images/wechatpay.jpeg
+++ b/images/wechatpay.jpeg
--- a/poetry.lock
+++ b/poetry.lock
@@ -2,7 +2,7 @@
 category = "main"
 description = "MySQL driver for asyncio."
 name = "aiomysql"
-optional = false
+optional = true
 python-versions = "*"
 version = "0.0.20"

@@ -18,7 +18,10 @@ description = "asyncio bridge to the standard sqlite3 module"
 name = "aiosqlite"
 optional = false
 python-versions = ">=3.6"
-version = "0.13.0"
+version = "0.15.0"
+
+[package.dependencies]
+typing_extensions = "*"

 [[package]]
 category = "main"
@@ -26,10 +29,11 @@ description = "High level compatibility layer for multiple asynchronous event lo
 name = "anyio"
 optional = false
 python-versions = ">=3.5.3"
-version = "1.3.0"
+version = "1.4.0"

 [package.dependencies]
 async-generator = "*"
+idna = ">=2.8"
 sniffio = ">=1.1"

 [package.extras]
@@ -38,6 +42,14 @@ doc = ["sphinx-rtd-theme", "sphinx-autodoc-typehints (>=1.2.0)"]
 test = ["coverage (>=4.5)", "hypothesis (>=4.0)", "pytest (>=3.7.2)", "uvloop"]
 trio = ["trio (>=0.12)"]

+[[package]]
+category = "dev"
+description = "apipkg: namespace control and lazy-import mechanism"
+name = "apipkg"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "1.5"
+
 [[package]]
 category = "dev"
 description = "A small Python module for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
@@ -69,13 +81,27 @@ anyio = "*"
 dev = ["coverage", "pytest-runner", "pytest-trio", "pytest (>=3)", "sphinx", "tox"]
 docs = ["sphinx"]

+[[package]]
+category = "main"
+description = "An asyncio PostgreSQL driver"
+name = "asyncpg"
+optional = true
+python-versions = ">=3.5.0"
+version = "0.20.1"
+
+[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)"]
+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)"]
+
 [[package]]
 category = "dev"
-description = "Enhance the standard unittest package with features for testing asyncio libraries"
-name = "asynctest"
+description = "Atomic file writes."
+marker = "sys_platform == \"win32\""
+name = "atomicwrites"
 optional = false
-python-versions = ">=3.5"
-version = "0.13.0"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "1.4.0"

 [[package]]
 category = "dev"
@@ -91,6 +117,21 @@ dev = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.int
 docs = ["sphinx", "zope.interface"]
 tests = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]

+[[package]]
+category = "dev"
+description = "Security oriented static analyser for python code."
+name = "bandit"
+optional = false
+python-versions = "*"
+version = "1.6.2"
+
+[package.dependencies]
+GitPython = ">=1.0.1"
+PyYAML = ">=3.13"
+colorama = ">=0.3.9"
+six = ">=1.10.0"
+stevedore = ">=1.20.0"
+
 [[package]]
 category = "dev"
 description = "The uncompromising code formatter."
@@ -115,22 +156,13 @@ d = ["aiohttp (>=3.3.2)", "aiohttp-cors"]
 category = "main"
 description = "Foreign Function Interface for Python calling C code."
 name = "cffi"
-optional = false
+optional = true
 python-versions = "*"
-version = "1.14.0"
+version = "1.14.1"

 [package.dependencies]
 pycparser = "*"

-[[package]]
-category = "main"
-description = "Fast ISO8601 date time parser for Python written in C"
-marker = "sys_platform != \"win32\" and implementation_name == \"cpython\""
-name = "ciso8601"
-optional = false
-python-versions = "*"
-version = "2.1.3"
-
 [[package]]
 category = "dev"
 description = "Composable command line interface toolkit"
@@ -139,42 +171,123 @@ optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 version = "7.1.2"

+[[package]]
+category = "dev"
+description = "Cross-platform colored terminal text."
+marker = "sys_platform == \"win32\" or platform_system == \"Windows\""
+name = "colorama"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "0.4.3"
+
 [[package]]
 category = "main"
 description = "cryptography is a package which provides cryptographic recipes and primitives to Python developers."
 name = "cryptography"
-optional = false
+optional = true
 python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*"
-version = "2.9.2"
+version = "3.0"

 [package.dependencies]
 cffi = ">=1.8,<1.11.3 || >1.11.3"
 six = ">=1.4.1"

 [package.extras]
-docs = ["sphinx (>=1.6.5,<1.8.0 || >1.8.0)", "sphinx-rtd-theme"]
+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 = ["flake8", "flake8-import-order", "pep8-naming"]
+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)"]

+[[package]]
+category = "dev"
+description = "execnet: rapid multi-Python deployment"
+name = "execnet"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "1.7.1"
+
+[package.dependencies]
+apipkg = ">=1.4"
+
+[package.extras]
+testing = ["pre-commit"]
+
 [[package]]
 category = "dev"
 description = "the modular source code checker: pep8 pyflakes and co"
 name = "flake8"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
-version = "3.8.1"
+version = "3.8.3"

 [package.dependencies]
 mccabe = ">=0.6.0,<0.7.0"
 pycodestyle = ">=2.6.0a1,<2.7.0"
 pyflakes = ">=2.2.0,<2.3.0"

+[package.dependencies.importlib-metadata]
+python = "<3.8"
+version = "*"
+
+[[package]]
+category = "dev"
+description = "Git Object Database"
+name = "gitdb"
+optional = false
+python-versions = ">=3.4"
+version = "4.0.5"
+
+[package.dependencies]
+smmap = ">=3.0.1,<4"
+
+[[package]]
+category = "dev"
+description = "Python Git Library"
+name = "gitpython"
+optional = false
+python-versions = ">=3.4"
+version = "3.1.7"
+
+[package.dependencies]
+gitdb = ">=4.0.1,<5"
+
+[[package]]
+category = "main"
+description = "Internationalized Domain Names in Applications (IDNA)"
+name = "idna"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "2.10"
+
+[[package]]
+category = "dev"
+description = "Read metadata from Python packages"
+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"
+
+[package.dependencies]
+zipp = ">=0.5"
+
+[package.extras]
+docs = ["sphinx", "rst.linker"]
+testing = ["packaging", "pep517", "importlib-resources (>=1.3)"]
+
+[[package]]
+category = "dev"
+description = "iniconfig: brain-dead simple config-ini parsing"
+name = "iniconfig"
+optional = false
+python-versions = "*"
+version = "1.0.1"
+
 [[package]]
 category = "main"
 description = "Simple module to parse ISO 8601 dates"
-marker = "sys_platform == \"win32\" or implementation_name != \"cpython\""
 name = "iso8601"
 optional = false
 python-versions = "*"
@@ -185,14 +298,13 @@ category = "dev"
 description = "A Python utility / library to sort Python imports."
 name = "isort"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "4.3.21"
+python-versions = ">=3.6,<4.0"
+version = "5.3.2"

 [package.extras]
-pipfile = ["pipreqs", "requirementslib"]
-pyproject = ["toml"]
-requirements = ["pipreqs", "pip-api"]
-xdg_home = ["appdirs (>=1.4.0)"]
+colors = ["colorama (>=0.4.3,<0.5.0)"]
+pipfile_deprecated_finder = ["pipreqs", "requirementslib", "tomlkit (>=0.5.3)"]
+requirements_deprecated_finder = ["pipreqs", "pip-api"]

 [[package]]
 category = "dev"
@@ -202,6 +314,26 @@ optional = false
 python-versions = "*"
 version = "0.6.1"

+[[package]]
+category = "dev"
+description = "More routines for operating on iterables, beyond itertools"
+name = "more-itertools"
+optional = false
+python-versions = ">=3.5"
+version = "8.4.0"
+
+[[package]]
+category = "dev"
+description = "Core utilities for Python packages"
+name = "packaging"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "20.4"
+
+[package.dependencies]
+pyparsing = ">=2.0.2"
+six = "*"
+
 [[package]]
 category = "dev"
 description = "Utility library for gitignore style pattern matching of file paths."
@@ -210,6 +342,38 @@ optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 version = "0.8.0"

+[[package]]
+category = "dev"
+description = "Python Build Reasonableness"
+name = "pbr"
+optional = false
+python-versions = "*"
+version = "5.4.5"
+
+[[package]]
+category = "dev"
+description = "plugin and hook calling mechanisms for python"
+name = "pluggy"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "0.13.1"
+
+[package.dependencies]
+[package.dependencies.importlib-metadata]
+python = "<3.8"
+version = ">=0.12"
+
+[package.extras]
+dev = ["pre-commit", "tox"]
+
+[[package]]
+category = "dev"
+description = "library with cross-python path, ini-parsing, io, code, log facilities"
+name = "py"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "1.9.0"
+
 [[package]]
 category = "dev"
 description = "Python style guide checker"
@@ -222,10 +386,23 @@ version = "2.6.0"
 category = "main"
 description = "C parser in Python"
 name = "pycparser"
-optional = false
+optional = true
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 version = "2.20"

+[[package]]
+category = "main"
+description = "Data validation and settings management using python 3.6 type hinting"
+name = "pydantic"
+optional = false
+python-versions = ">=3.6"
+version = "1.6.1"
+
+[package.extras]
+dotenv = ["python-dotenv (>=0.10.4)"]
+email = ["email-validator (>=1.0.3)"]
+typing_extensions = ["typing-extensions (>=3.7.2)"]
+
 [[package]]
 category = "dev"
 description = "passive checker of Python programs"
@@ -238,20 +415,120 @@ version = "2.2.0"
 category = "main"
 description = "Pure Python MySQL Driver"
 name = "pymysql"
-optional = false
+optional = true
 python-versions = "*"
 version = "0.9.2"

 [package.dependencies]
 cryptography = "*"

+[[package]]
+category = "dev"
+description = "Python parsing module"
+name = "pyparsing"
+optional = false
+python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
+version = "2.4.7"
+
 [[package]]
 category = "main"
 description = "A SQL query builder API for Python"
 name = "pypika"
 optional = false
 python-versions = "*"
-version = "0.37.6"
+version = "0.38.0"
+
+[[package]]
+category = "dev"
+description = "pytest: simple powerful testing with Python"
+name = "pytest"
+optional = false
+python-versions = ">=3.5"
+version = "6.0.1"
+
+[package.dependencies]
+atomicwrites = ">=1.0"
+attrs = ">=17.4.0"
+colorama = "*"
+iniconfig = "*"
+more-itertools = ">=4.0.0"
+packaging = "*"
+pluggy = ">=0.12,<1.0"
+py = ">=1.8.2"
+toml = "*"
+
+[package.dependencies.importlib-metadata]
+python = "<3.8"
+version = ">=0.12"
+
+[package.extras]
+checkqa_mypy = ["mypy (0.780)"]
+testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]
+
+[[package]]
+category = "dev"
+description = "Pytest support for asyncio."
+name = "pytest-asyncio"
+optional = false
+python-versions = ">= 3.5"
+version = "0.14.0"
+
+[package.dependencies]
+pytest = ">=5.4.0"
+
+[package.extras]
+testing = ["async-generator (>=1.3)", "coverage", "hypothesis (>=5.7.1)"]
+
+[[package]]
+category = "dev"
+description = "run tests in isolated forked subprocesses"
+name = "pytest-forked"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "1.3.0"
+
+[package.dependencies]
+py = "*"
+pytest = ">=3.10"
+
+[[package]]
+category = "dev"
+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"
+
+[package.dependencies]
+pytest = ">=2.7"
+
+[package.extras]
+dev = ["pre-commit", "tox", "pytest-asyncio"]
+
+[[package]]
+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.*"
+version = "1.34.0"
+
+[package.dependencies]
+execnet = ">=1.1"
+pytest = ">=4.4.0"
+pytest-forked = "*"
+six = "*"
+
+[package.extras]
+testing = ["filelock"]
+
+[[package]]
+category = "dev"
+description = "YAML parser and emitter for Python"
+name = "pyyaml"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "5.3.1"

 [[package]]
 category = "dev"
@@ -259,7 +536,7 @@ description = "Alternative regular expression module, to replace re."
 name = "regex"
 optional = false
 python-versions = "*"
-version = "2020.5.14"
+version = "2020.7.14"

 [[package]]
 category = "main"
@@ -267,7 +544,15 @@ description = "Python 2 and 3 compatibility utilities"
 name = "six"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "1.14.0"
+version = "1.15.0"
+
+[[package]]
+category = "dev"
+description = "A pure Python implementation of a sliding window memory map manager"
+name = "smmap"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "3.0.4"

 [[package]]
 category = "main"
@@ -279,14 +564,18 @@ version = "1.1.0"

 [[package]]
 category = "dev"
-description = "tasks runner for python projects"
-name = "taskipy"
+description = "Manage dynamic plugins for Python applications"
+name = "stevedore"
 optional = false
-python-versions = ">=3.6,<4.0"
-version = "1.2.1"
+python-versions = ">=3.6"
+version = "3.2.0"

 [package.dependencies]
-toml = ">=0.10.0,<0.11.0"
+pbr = ">=2.0.0,<2.1.0 || >2.1.0"
+
+[package.dependencies.importlib-metadata]
+python = "<3.8"
+version = ">=1.7.0"

 [[package]]
 category = "dev"
@@ -302,19 +591,17 @@ description = "Easy async ORM for python, built with relations in mind"
 name = "tortoise-orm"
 optional = false
 python-versions = "*"
-version = "0.16.11"
+version = "0.16.14"

 [package.dependencies]
 aiosqlite = ">=0.11.0"
-ciso8601 = ">=2.1.2"
 iso8601 = ">=0.1.12"
 pypika = ">=0.36.5"
 typing-extensions = ">=3.7"

-[package.source]
-reference = "95c384a4742ee5980f8e4ae934bfdb0d8137bb40"
-type = "git"
-url = "https://github.com/tortoise/tortoise-orm.git"
+[package.extras]
+accel = ["python-rapidjson", "ciso8601 (>=2.1.2)", "uvloop (>=0.12.0)"]
+
 [[package]]
 category = "dev"
 description = "a fork of Python 2 and 3 ast modules with type comment support"
@@ -331,9 +618,26 @@ optional = false
 python-versions = "*"
 version = "3.7.4.2"

+[[package]]
+category = "dev"
+description = "Backport of pathlib-compatible object wrapper for zip files"
+marker = "python_version < \"3.8\""
+name = "zipp"
+optional = false
+python-versions = ">=3.6"
+version = "3.1.0"
+
+[package.extras]
+docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
+testing = ["jaraco.itertools", "func-timeout"]
+
+[extras]
+dbdrivers = ["aiomysql", "asyncpg"]
+
 [metadata]
-content-hash = "9ce51215dcc82924bab54fca5ee46097cb5ccc2f6ecd455994b9b9f37b801523"
-python-versions = "^3.8"
+content-hash = "06f00778f783c4ad5b174a9c9ee80f4f0e38db9da9ff1012f09c7d306eaa0975"
+lock-version = "1.0"
+python-versions = "^3.7"

 [metadata.files]
 aiomysql = [
@@ -341,12 +645,16 @@ aiomysql = [
    {file = "aiomysql-0.0.20.tar.gz", hash = "sha256:d89ce25d44dadb43cf2d9e4603bd67b7a0ad12d5e67208de013629ba648df2ba"},
 ]
 aiosqlite = [
-    {file = "aiosqlite-0.13.0-py3-none-any.whl", hash = "sha256:50688c40632ae249f986ab3ae2c66a45c0535b84a5d4aae0e0be572b5fed6909"},
-    {file = "aiosqlite-0.13.0.tar.gz", hash = "sha256:6e92961ae9e606b43b05e29b129e346b29e400fcbd63e3c0c564d89230257645"},
+    {file = "aiosqlite-0.15.0-py3-none-any.whl", hash = "sha256:19b984b6702aed9f1c85c023f37296954547fc4030dae8e9d027b2a930bed78b"},
+    {file = "aiosqlite-0.15.0.tar.gz", hash = "sha256:a2884793f4dc8f2798d90e1dfecb2b56a6d479cf039f7ec52356a7fd5f3bdc57"},
 ]
 anyio = [
-    {file = "anyio-1.3.0-py3-none-any.whl", hash = "sha256:db2c3d21576870b95d4fd0b8f4a0f9c64057f777c578f3a8127179a17c8c067e"},
-    {file = "anyio-1.3.0.tar.gz", hash = "sha256:7deae0315dd10aa41c21528b83352e4b52f44e6153a21081a3d1cd8c03728e46"},
+    {file = "anyio-1.4.0-py3-none-any.whl", hash = "sha256:9ee67e8131853f42957e214d4531cee6f2b66dda164a298d9686a768b7161a4f"},
+    {file = "anyio-1.4.0.tar.gz", hash = "sha256:95f60964fc4583f3f226f8dc275dfb02aefe7b39b85a999c6d14f4ec5323c1d8"},
+]
+apipkg = [
+    {file = "apipkg-1.5-py2.py3-none-any.whl", hash = "sha256:58587dd4dc3daefad0487f6d9ae32b4542b185e1c36db6993290e7c41ca2b47c"},
+    {file = "apipkg-1.5.tar.gz", hash = "sha256:37228cda29411948b422fae072f57e31d3396d2ee1c9783775980ee9c9990af6"},
 ]
 appdirs = [
    {file = "appdirs-1.4.4-py2.py3-none-any.whl", hash = "sha256:a841dacd6b99318a741b166adb07e19ee71a274450e68237b4650ca1055ab128"},
@@ -359,79 +667,131 @@ async-generator = [
 asyncclick = [
    {file = "asyncclick-7.0.9.tar.gz", hash = "sha256:62cebf3eca36d973802e2dd521ca1db11c5bf4544e9795e093d1a53cb688a8c2"},
 ]
-asynctest = [
-    {file = "asynctest-0.13.0-py3-none-any.whl", hash = "sha256:5da6118a7e6d6b54d83a8f7197769d046922a44d2a99c21382f0a6e4fadae676"},
-    {file = "asynctest-0.13.0.tar.gz", hash = "sha256:c27862842d15d83e6a34eb0b2866c323880eb3a75e4485b079ea11748fd77fac"},
+asyncpg = [
+    {file = "asyncpg-0.20.1-cp35-cp35m-macosx_10_13_x86_64.whl", hash = "sha256:f7184689177eeb5a11fa1b2baf3f6f2e26bfd7a85acf4de1a3adbd0867d7c0e2"},
+    {file = "asyncpg-0.20.1-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:f0c9719ac00615f097fe91082b785bce36dbf02a5ec4115ede0ebfd2cd9500cb"},
+    {file = "asyncpg-0.20.1-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:1388caa456070dab102be874205e3ae8fd1de2577d5de9fa22e65ba5c0f8b110"},
+    {file = "asyncpg-0.20.1-cp35-cp35m-win32.whl", hash = "sha256:ec6e7046c98730cb2ba4df41387e10cb8963a3ac2918f69ae416f8aab9ca7b1b"},
+    {file = "asyncpg-0.20.1-cp35-cp35m-win_amd64.whl", hash = "sha256:25edb0b947eb632b6b53e5a4b36cba5677297bb34cbaba270019714d0a5fed76"},
+    {file = "asyncpg-0.20.1-cp36-cp36m-macosx_10_13_x86_64.whl", hash = "sha256:95cd2df61ee00b789bdcd04a080e6d9188693b841db2bf9a87ebaed9e53147e0"},
+    {file = "asyncpg-0.20.1-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:058baec9d6b75612412baa872a1aa47317d0ff88c318a49f9c4a2389043d5a8d"},
+    {file = "asyncpg-0.20.1-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:c773c7dbe2f4d3ebc9e3030e94303e45d6742e6c2fc25da0c46a56ea3d83caeb"},
+    {file = "asyncpg-0.20.1-cp36-cp36m-win32.whl", hash = "sha256:5664d1bd8abe64fc60a0e701eb85fa1d8c9a4a8018a5a59164d27238f2caf395"},
+    {file = "asyncpg-0.20.1-cp36-cp36m-win_amd64.whl", hash = "sha256:57666dfae38f4dbf84ffbf0c5c0f78733fef0e8e083230275dcb9ccad1d5ee09"},
+    {file = "asyncpg-0.20.1-cp37-cp37m-macosx_10_13_x86_64.whl", hash = "sha256:0c336903c3b08e970f8af2f606332f1738dba156bca83ed0467dc2f5c70da796"},
+    {file = "asyncpg-0.20.1-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:ad5ba062e09673b1a4b8d0facaf5a6d9719bf7b337440d10b07fe994d90a9552"},
+    {file = "asyncpg-0.20.1-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:ba90d3578bc6dddcbce461875672fd9bdb34f0b8215b68612dd3b65a956ff51c"},
+    {file = "asyncpg-0.20.1-cp37-cp37m-win32.whl", hash = "sha256:da238592235717419a6a7b5edc8564da410ebfd056ca4ecc41e70b1b5df86fba"},
+    {file = "asyncpg-0.20.1-cp37-cp37m-win_amd64.whl", hash = "sha256:74510234c294c6a6767089ba9c938f09a491426c24405634eb357bd91dffd734"},
+    {file = "asyncpg-0.20.1-cp38-cp38-macosx_10_13_x86_64.whl", hash = "sha256:391aea89871df8c1560750af6c7170f2772c2d133b34772acf3637e3cf4db93e"},
+    {file = "asyncpg-0.20.1-cp38-cp38-manylinux1_i686.whl", hash = "sha256:a981500bf6947926e53c48f4d60ae080af1b4ad7fa78e363465a5b5ad4f2b65e"},
+    {file = "asyncpg-0.20.1-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:a9e6fd6f0f9e8bd77e9a4e1ef9a4f83a80674d9136a754ae3603e915da96b627"},
+    {file = "asyncpg-0.20.1-cp38-cp38-win32.whl", hash = "sha256:e39aac2b3a2f839ce65aa255ce416de899c58b7d38d601d24ca35558e13b48e3"},
+    {file = "asyncpg-0.20.1-cp38-cp38-win_amd64.whl", hash = "sha256:2af6a5a705accd36e13292ea43d08c20b15e52d684beb522cb3a7d3c9c8f3f48"},
+    {file = "asyncpg-0.20.1.tar.gz", hash = "sha256:394bf19bdddbba07a38cd6fb526ebf66e120444d6b3097332b78efd5b26495b0"},
+]
+atomicwrites = [
+    {file = "atomicwrites-1.4.0-py2.py3-none-any.whl", hash = "sha256:6d1784dea7c0c8d4a5172b6c620f40b6e4cbfdf96d783691f2e1302a7b88e197"},
+    {file = "atomicwrites-1.4.0.tar.gz", hash = "sha256:ae70396ad1a434f9c7046fd2dd196fc04b12f9e91ffb859164193be8b6168a7a"},
 ]
 attrs = [
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 ]
+bandit = [
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+    {file = "bandit-1.6.2.tar.gz", hash = "sha256:41e75315853507aa145d62a78a2a6c5e3240fe14ee7c601459d0df9418196065"},
+]
 black = [
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 ]
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 ]
 six = [
-    {file = "six-1.14.0-py2.py3-none-any.whl", hash = "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"},
-    {file = "six-1.14.0.tar.gz", hash = "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a"},
+    {file = "six-1.15.0-py2.py3-none-any.whl", hash = "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"},
+    {file = "six-1.15.0.tar.gz", hash = "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259"},
+]
+smmap = [
+    {file = "smmap-3.0.4-py2.py3-none-any.whl", hash = "sha256:54c44c197c819d5ef1991799a7e30b662d1e520f2ac75c9efbeb54a742214cf4"},
+    {file = "smmap-3.0.4.tar.gz", hash = "sha256:9c98bbd1f9786d22f14b3d4126894d56befb835ec90cef151af566c7e19b5d24"},
 ]
 sniffio = [
    {file = "sniffio-1.1.0-py3-none-any.whl", hash = "sha256:20ed6d5b46f8ae136d00b9dcb807615d83ed82ceea6b2058cecb696765246da5"},
    {file = "sniffio-1.1.0.tar.gz", hash = "sha256:8e3810100f69fe0edd463d02ad407112542a11ffdc29f67db2bf3771afb87a21"},
 ]
-taskipy = [
-    {file = "taskipy-1.2.1-py3-none-any.whl", hash = "sha256:99bdaf5b19791c2345806847147e0fc2d28e1ac9446058def5a8b6b3fc9f23e2"},
-    {file = "taskipy-1.2.1.tar.gz", hash = "sha256:5eb2c3b1606c896c7fa799848e71e8883b880759224958d07ba760e5db263175"},
+stevedore = [
+    {file = "stevedore-3.2.0-py3-none-any.whl", hash = "sha256:c8f4f0ebbc394e52ddf49de8bcc3cf8ad2b4425ebac494106bbc5e3661ac7633"},
+    {file = "stevedore-3.2.0.tar.gz", hash = "sha256:38791aa5bed922b0a844513c5f9ed37774b68edc609e5ab8ab8d8fe0ce4315e5"},
 ]
 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 = []
+tortoise-orm = [
+    {file = "tortoise-orm-0.16.14.tar.gz", hash = "sha256:d6ffd4f4cd46d469fa946ca5309768f381640b65d5f5c9e848fb9b50185febee"},
+]
 typed-ast = [
    {file = "typed_ast-1.4.1-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:73d785a950fc82dd2a25897d525d003f6378d1cb23ab305578394694202a58c3"},
    {file = "typed_ast-1.4.1-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:aaee9905aee35ba5905cfb3c62f3e83b3bec7b39413f0a7f19be4e547ea01ebb"},
@@ -537,3 +978,7 @@ typing-extensions = [
    {file = "typing_extensions-3.7.4.2-py3-none-any.whl", hash = "sha256:6e95524d8a547a91e08f404ae485bbb71962de46967e1b71a0cb89af24e761c5"},
    {file = "typing_extensions-3.7.4.2.tar.gz", hash = "sha256:79ee589a3caca649a9bfd2a8de4709837400dfa00b6cc81962a1e6a1815969ae"},
 ]
+zipp = [
+    {file = "zipp-3.1.0-py3-none-any.whl", hash = "sha256:aa36550ff0c0b7ef7fa639055d797116ee891440eac1a56f378e2d3179e0320b"},
+    {file = "zipp-3.1.0.tar.gz", hash = "sha256:c599e4d75c98f6798c509911d08a22e6c021d074469042177c8c86fb92eefd96"},
+]
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,27 +1,43 @@
 [tool.poetry]
 name = "aerich"
-version = "0.1.1"
+version = "0.2.3"
 description = "A database migrations tool for Tortoise ORM."
 authors = ["long2ice <long2ice@gmail.com>"]
+license = "Apache-2.0"
+readme = "README.md"
+homepage = "https://github.com/long2ice/aerich"
+repository = "https://github.com/long2ice/aerich.git"
+documentation = "https://github.com/long2ice/aerich"
+keywords = ["migrate", "Tortoise-ORM", "mysql"]
+packages = [
+    { include = "aerich" }
+]
+include = ["CHANGELOG.md", "LICENSE", "README.md"]

 [tool.poetry.dependencies]
-python = "^3.8"
-tortoise-orm = {git = "https://github.com/tortoise/tortoise-orm.git", branch = "develop"}
-aiomysql = "*"
+python = "^3.7"
+tortoise-orm = "*"
 asyncclick = "*"
+pydantic = "*"
+aiomysql = {version = "*", optional = true}
+asyncpg = {version = "*", optional = true}

 [tool.poetry.dev-dependencies]
-taskipy = "*"
-asynctest = "*"
 flake8 = "*"
 isort = "*"
 black = "^19.10b0"
+pytest = "*"
+pytest-xdist = "*"
+pytest-asyncio = "*"
+bandit = "*"
+pytest-mock = "*"

-[tool.taskipy.tasks]
-export = "poetry export -f requirements.txt --without-hashes > requirements.txt"
-export-dev = "poetry export -f requirements.txt --dev --without-hashes > requirements-dev.txt"
+[tool.poetry.extras]
+dbdrivers = ["aiomysql", "asyncpg"]

 [build-system]
 requires = ["poetry>=0.12"]
 build-backend = "poetry.masonry.api"

+[tool.poetry.scripts]
+aerich = "aerich.cli:main"
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,31 +0,0 @@
-aiomysql==0.0.20
-aiosqlite==0.13.0
-anyio==1.3.0
-appdirs==1.4.4
-async-generator==1.10
-asyncclick==7.0.9
-asynctest==0.13.0
-attrs==19.3.0
-black==19.10b0
-cffi==1.14.0
-ciso8601==2.1.3; sys_platform != "win32" and implementation_name == "cpython"
-click==7.1.2
-cryptography==2.9.2
-flake8==3.8.1
-iso8601==0.1.12; sys_platform == "win32" or implementation_name != "cpython"
-isort==4.3.21
-mccabe==0.6.1
-pathspec==0.8.0
-pycodestyle==2.6.0
-pycparser==2.20
-pyflakes==2.2.0
-pymysql==0.9.2
-pypika==0.37.6
-regex==2020.5.14
-six==1.14.0
-sniffio==1.1.0
-taskipy==1.2.1
-toml==0.10.1
-e git+https://github.com/tortoise/tortoise-orm.git@95c384a4742ee5980f8e4ae934bfdb0d8137bb40#egg=tortoise-orm
-typed-ast==1.4.1
-typing-extensions==3.7.4.2
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,15 +0,0 @@
-aiomysql==0.0.20
-aiosqlite==0.13.0
-anyio==1.3.0
-async-generator==1.10
-asyncclick==7.0.9
-cffi==1.14.0
-ciso8601==2.1.3; sys_platform != "win32" and implementation_name == "cpython"
-cryptography==2.9.2
-iso8601==0.1.12; sys_platform == "win32" or implementation_name != "cpython"
-pycparser==2.20
-pymysql==0.9.2
-pypika==0.37.6
-six==1.14.0
-sniffio==1.1.0
-typing-extensions==3.7.4.2
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,18 +1,2 @@
 [flake8]
-max-line-length = 100
-exclude =
-ignore = E501,W503,DAR101,DAR201,DAR402
-
-[darglint]
-docstring_style=sphinx
-
-[isort]
-not_skip=__init__.py
-multi_line_output=3
-include_trailing_comma=True
-force_grid_wrap=0
-use_parentheses=True
-line_length=100
-
-
-
+ignore = E501,W503
--- a/setup.py
+++ b/setup.py
@@ -1,44 +0,0 @@
-import os
-import re
-from setuptools import find_packages, setup
-
-
-def version():
-    ver_str_line = open('aerich/__init__.py', 'rt').read()
-    mob = re.search(r"^__version__ = ['\"]([^'\"]*)['\"]", ver_str_line, re.M)
-    if not mob:
-        raise RuntimeError("Unable to find version string")
-    return mob.group(1)
-
-
-with open(os.path.join(os.path.dirname(__file__), 'README.rst')) as f:
-    long_description = f.read()
-
-
-def requirements():
-    return open('requirements.txt', 'rt').read().splitlines()
-
-
-setup(
-    name='aerich',
-    version=version(),
-    description='A database migrations tool for Tortoise-ORM.',
-    author='long2ice',
-    long_description_content_type='text/x-rst',
-    long_description=long_description,
-    author_email='long2ice@gmail.com',
-    url='https://github.com/long2ice/aerich',
-    license='MIT License',
-    packages=find_packages(include=['aerich*']),
-    include_package_data=True,
-    zip_safe=True,
-    entry_points={
-        'console_scripts': ['aerich = aerich.cli:main'],
-    },
-    platforms='any',
-    keywords=(
-        'migrate Tortoise-ORM mysql'
-    ),
-    dependency_links=['https://github.com/tortoise/tortoise-orm.git@branch#egg=tortoise-orm'],
-    install_requires=requirements(),
-)
--- a/tests/backends/init.py
+++ b/tests/backends/init.py
--- a/tests/backends/mysql/init.py
+++ b/tests/backends/mysql/init.py
@@ -1,19 +0,0 @@
-from asynctest import TestCase
-from tortoise import Tortoise
-
-from aerich.ddl.mysql import MysqlDDL
-
-TORTOISE_ORM = {
-    "connections": {"default": "mysql://root:123456@127.0.0.1:3306/test",},
-    "apps": {"models": {"models": ["tests.models"], "default_connection": "default",},},
-}
-
-
-class DBTestCase(TestCase):
-    async def setUp(self) -> None:
-        await Tortoise.init(config=TORTOISE_ORM)
-        self.client = Tortoise.get_connection("default")
-        self.ddl = MysqlDDL(self.client)
-
-    async def tearDown(self) -> None:
-        await Tortoise.close_connections()
--- a/tests/backends/mysql/test_ddl.py
+++ b/tests/backends/mysql/test_ddl.py
@@ -1,55 +0,0 @@
-from tests.backends.mysql import DBTestCase
-from tests.models import Category
-
-
-class TestDDL(DBTestCase):
-    def test_create_table(self):
-        ret = self.ddl.create_table(Category)
-        self.assertEqual(
-            ret,
-            """CREATE TABLE IF NOT EXISTS `category` (
-    `id` INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
-    `slug` VARCHAR(200) NOT NULL,
-    `name` VARCHAR(200) NOT NULL,
-    `created_at` DATETIME(6) NOT NULL  DEFAULT CURRENT_TIMESTAMP(6),
-    `user_id` INT NOT NULL COMMENT 'User',
-    CONSTRAINT `fk_category_user_e2e3874c` FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON DELETE CASCADE
-) CHARACTER SET utf8mb4;""",
-        )
-
-    def test_drop_table(self):
-        ret = self.ddl.drop_table(Category)
-        self.assertEqual(ret, "DROP TABLE category IF EXISTS")
-
-    def test_add_column(self):
-        ret = self.ddl.add_column(Category, Category._meta.fields_map.get("name"))
-        self.assertEqual(ret, "ALTER TABLE category ADD `name` VARCHAR(200) NOT NULL")
-
-    def test_drop_column(self):
-        ret = self.ddl.drop_column(Category, "name")
-        self.assertEqual(ret, "ALTER TABLE category DROP COLUMN name")
-
-    def test_add_index(self):
-        ret = self.ddl.add_index(Category, ["name"])
-        self.assertEqual(ret, "ALTER TABLE category ADD  INDEX idx_category_name_8b0cb9 (`name`)")
-        ret = self.ddl.add_index(Category, ["name"], True)
-        self.assertEqual(
-            ret, "ALTER TABLE category ADD UNIQUE INDEX uid_category_name_8b0cb9 (`name`)"
-        )
-
-    def test_drop_index(self):
-        ret = self.ddl.drop_index(Category, ["name"])
-        self.assertEqual(ret, "ALTER TABLE category DROP INDEX idx_category_name_8b0cb9")
-        ret = self.ddl.drop_index(Category, ["name"], True)
-        self.assertEqual(ret, "ALTER TABLE category DROP INDEX uid_category_name_8b0cb9")
-
-    def test_add_fk(self):
-        ret = self.ddl.add_fk(Category, Category._meta.fields_map.get("user"))
-        self.assertEqual(
-            ret,
-            "ALTER TABLE category ADD CONSTRAINT `fk_category_user_366ffa6f` FOREIGN KEY (`user`) REFERENCES `user` (`id`) ON DELETE CASCADE",
-        )
-
-    def test_drop_fk(self):
-        ret = self.ddl.drop_fk(Category, Category._meta.fields_map.get("user"))
-        self.assertEqual(ret, "ALTER TABLE category DROP FOREIGN KEY fk_category_user_366ffa6f")
--- a/tests/backends/mysql/test_migrate.py
+++ b/tests/backends/mysql/test_migrate.py
@@ -1,17 +0,0 @@
-from asynctest import TestCase
-from tortoise import Tortoise
-
-from aerich.migrate import Migrate
-from tests.backends.mysql import TORTOISE_ORM
-
-
-class TestMigrate(TestCase):
-    async def setUp(self) -> None:
-        await Migrate.init_with_old_models(TORTOISE_ORM, "models", "./migrations")
-
-    async def test_migrate(self):
-        Migrate.diff_model(
-            Tortoise.apps.get("models").get("Category"),
-            Tortoise.apps.get("diff_models").get("Category"),
-        )
-        print(Migrate.upgrade_operators)
--- a/tests/diff_models.py
+++ b/tests/diff_models.py
@@ -0,0 +1,56 @@
+import datetime
+from enum import IntEnum
+
+from tortoise import Model, fields
+
+
+class ProductType(IntEnum):
+    article = 1
+    page = 2
+
+
+class PermissionAction(IntEnum):
+    create = 1
+    delete = 2
+    update = 3
+    read = 4
+
+
+class Status(IntEnum):
+    on = 1
+    off = 0
+
+
+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)
+    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="")
+    intro = fields.TextField(default="")
+
+
+class Category(Model):
+    slug = fields.CharField(max_length=200)
+    user = fields.ForeignKeyField("diff_models.User", description="User")
+    created_at = fields.DatetimeField(auto_now_add=True)
+
+
+class Product(Model):
+    categories = fields.ManyToManyField("diff_models.Category")
+    name = fields.CharField(max_length=50)
+    view_num = fields.IntField(description="View Num")
+    sort = fields.IntField()
+    is_reviewed = fields.BooleanField(description="Is Reviewed")
+    type = fields.IntEnumField(ProductType, description="Product Type")
+    image = fields.CharField(max_length=200)
+    body = fields.TextField()
+    created_at = fields.DatetimeField(auto_now_add=True)
+
+
+class Config(Model):
+    label = fields.CharField(max_length=200)
+    key = fields.CharField(max_length=20)
+    value = fields.JSONField()
+    status: Status = fields.IntEnumField(Status, default=Status.on)
--- a/tests/models.py
+++ b/tests/models.py
@@ -30,9 +30,6 @@ class User(Model):
    avatar = fields.CharField(max_length=200, default="")
    intro = fields.TextField(default="")

-    def __str__(self):
-        return f"{self.pk}#{self.username}"
-

 class Category(Model):
    slug = fields.CharField(max_length=200)
@@ -40,9 +37,6 @@ class Category(Model):
    user = fields.ForeignKeyField("models.User", description="User")
    created_at = fields.DatetimeField(auto_now_add=True)

-    def __str__(self):
-        return f"{self.pk}#{self.name}"
-

 class Product(Model):
    categories = fields.ManyToManyField("models.Category")
@@ -55,15 +49,9 @@ class Product(Model):
    body = fields.TextField()
    created_at = fields.DatetimeField(auto_now_add=True)

-    def __str__(self):
-        return f"{self.pk}#{self.name}"
-

 class Config(Model):
    label = fields.CharField(max_length=200)
    key = fields.CharField(max_length=20)
    value = fields.JSONField()
    status: Status = fields.IntEnumField(Status, default=Status.on)
-
-    def __str__(self):
-        return f"{self.pk}#{self.label}"
--- a/tests/test_ddl.py
+++ b/tests/test_ddl.py
@@ -0,0 +1,197 @@
+from aerich.ddl.mysql import MysqlDDL
+from aerich.ddl.postgres import PostgresDDL
+from aerich.ddl.sqlite import SqliteDDL
+from aerich.migrate import Migrate
+from tests.models import Category, User
+
+
+def test_create_table():
+    ret = Migrate.ddl.create_table(Category)
+    if isinstance(Migrate.ddl, MysqlDDL):
+        assert (
+            ret
+            == """CREATE TABLE IF NOT EXISTS `category` (
+    `id` INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
+    `slug` VARCHAR(200) NOT NULL,
+    `name` VARCHAR(200) NOT NULL,
+    `created_at` DATETIME(6) NOT NULL  DEFAULT CURRENT_TIMESTAMP(6),
+    `user_id` INT NOT NULL COMMENT 'User',
+    CONSTRAINT `fk_category_user_e2e3874c` FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON DELETE CASCADE
+) CHARACTER SET utf8mb4;"""
+        )
+
+    elif isinstance(Migrate.ddl, SqliteDDL):
+        assert (
+            ret
+            == """CREATE TABLE IF NOT EXISTS "category" (
+    "id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+    "slug" VARCHAR(200) NOT NULL,
+    "name" VARCHAR(200) NOT NULL,
+    "created_at" TIMESTAMP NOT NULL  DEFAULT CURRENT_TIMESTAMP,
+    "user_id" INT NOT NULL REFERENCES "user" ("id") ON DELETE CASCADE /* User */
+);"""
+        )
+
+    elif isinstance(Migrate.ddl, PostgresDDL):
+        assert (
+            ret
+            == """CREATE TABLE IF NOT EXISTS "category" (
+    "id" SERIAL NOT NULL PRIMARY KEY,
+    "slug" VARCHAR(200) NOT NULL,
+    "name" VARCHAR(200) NOT NULL,
+    "created_at" TIMESTAMP NOT NULL  DEFAULT CURRENT_TIMESTAMP,
+    "user_id" INT NOT NULL REFERENCES "user" ("id") ON DELETE CASCADE
+);
+COMMENT ON COLUMN "category"."user_id" IS 'User';"""
+        )
+
+
+def test_drop_table():
+    ret = Migrate.ddl.drop_table(Category)
+    if isinstance(Migrate.ddl, MysqlDDL):
+        assert ret == "DROP TABLE IF EXISTS `category`"
+    else:
+        assert ret == 'DROP TABLE IF EXISTS "category"'
+
+
+def test_add_column():
+    ret = Migrate.ddl.add_column(Category, Category._meta.fields_map.get("name"))
+    if isinstance(Migrate.ddl, MysqlDDL):
+        assert ret == "ALTER TABLE `category` ADD `name` VARCHAR(200) NOT NULL"
+    else:
+        assert ret == 'ALTER TABLE "category" ADD "name" VARCHAR(200) NOT NULL'
+
+
+def test_modify_column():
+    ret = Migrate.ddl.modify_column(Category, Category._meta.fields_map.get("name"))
+    if isinstance(Migrate.ddl, MysqlDDL):
+        assert ret == "ALTER TABLE `category` MODIFY COLUMN `name` VARCHAR(200) NOT NULL"
+    elif isinstance(Migrate.ddl, PostgresDDL):
+        assert ret == 'ALTER TABLE "category" ALTER COLUMN "name" TYPE VARCHAR(200)'
+    else:
+        assert ret == 'ALTER TABLE "category" MODIFY COLUMN "name" VARCHAR(200) NOT NULL'
+
+    ret = Migrate.ddl.modify_column(User, User._meta.fields_map.get("is_active"))
+    if isinstance(Migrate.ddl, MysqlDDL):
+        assert (
+            ret
+            == "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'
+    else:
+        assert (
+            ret
+            == 'ALTER TABLE "user" MODIFY COLUMN "is_active" INT NOT NULL  DEFAULT 1 /* Is Active */'
+        )
+
+
+def test_alter_column_default():
+    ret = Migrate.ddl.alter_column_default(Category, Category._meta.fields_map.get("name"))
+    if isinstance(Migrate.ddl, PostgresDDL):
+        assert ret == 'ALTER TABLE "category" ALTER COLUMN "name" DROP DEFAULT'
+    else:
+        assert ret is None
+
+    ret = Migrate.ddl.alter_column_default(Category, Category._meta.fields_map.get("created_at"))
+    if isinstance(Migrate.ddl, PostgresDDL):
+        assert (
+            ret == 'ALTER TABLE "category" ALTER COLUMN "created_at" SET DEFAULT CURRENT_TIMESTAMP'
+        )
+    else:
+        assert ret is None
+
+    ret = Migrate.ddl.alter_column_default(User, User._meta.fields_map.get("avatar"))
+    if isinstance(Migrate.ddl, PostgresDDL):
+        assert ret == 'ALTER TABLE "user" ALTER COLUMN "avatar" SET DEFAULT \'\''
+    else:
+        assert ret is None
+
+
+def test_alter_column_null():
+    ret = Migrate.ddl.alter_column_null(Category, Category._meta.fields_map.get("name"))
+    if isinstance(Migrate.ddl, PostgresDDL):
+        assert ret == 'ALTER TABLE "category" ALTER COLUMN "name" SET NOT NULL'
+    else:
+        assert ret is None
+
+
+def test_set_comment():
+    ret = Migrate.ddl.set_comment(Category, Category._meta.fields_map.get("name"))
+    if isinstance(Migrate.ddl, PostgresDDL):
+        assert ret == 'COMMENT ON COLUMN "category"."name" IS NULL'
+    else:
+        assert ret is None
+
+    ret = Migrate.ddl.set_comment(Category, Category._meta.fields_map.get("user"))
+    if isinstance(Migrate.ddl, PostgresDDL):
+        assert ret == 'COMMENT ON COLUMN "category"."user" IS \'User\''
+    else:
+        assert ret is None
+
+
+def test_drop_column():
+    ret = Migrate.ddl.drop_column(Category, "name")
+    if isinstance(Migrate.ddl, MysqlDDL):
+        assert ret == "ALTER TABLE `category` DROP COLUMN `name`"
+    else:
+        assert ret == 'ALTER TABLE "category" DROP COLUMN "name"'
+
+
+def test_add_index():
+    index = Migrate.ddl.add_index(Category, ["name"])
+    index_u = Migrate.ddl.add_index(Category, ["name"], True)
+    if isinstance(Migrate.ddl, MysqlDDL):
+        assert index == "ALTER TABLE `category` ADD  INDEX `idx_category_name_8b0cb9` (`name`)"
+        assert (
+            index_u == "ALTER TABLE `category` ADD UNIQUE INDEX `uid_category_name_8b0cb9` (`name`)"
+        )
+    elif isinstance(Migrate.ddl, PostgresDDL):
+        assert index == 'CREATE INDEX "idx_category_name_8b0cb9" ON "category" ("name")'
+        assert (
+            index_u
+            == 'ALTER TABLE "category" ADD CONSTRAINT "uid_category_name_8b0cb9" UNIQUE ("name")'
+        )
+    else:
+        assert index == 'ALTER TABLE "category" ADD  INDEX "idx_category_name_8b0cb9" ("name")'
+        assert (
+            index_u == 'ALTER TABLE "category" ADD UNIQUE INDEX "uid_category_name_8b0cb9" ("name")'
+        )
+
+
+def test_drop_index():
+    ret = Migrate.ddl.drop_index(Category, ["name"])
+    ret_u = Migrate.ddl.drop_index(Category, ["name"], True)
+    if isinstance(Migrate.ddl, MysqlDDL):
+        assert ret == "ALTER TABLE `category` DROP INDEX `idx_category_name_8b0cb9`"
+        assert ret_u == "ALTER TABLE `category` DROP INDEX `uid_category_name_8b0cb9`"
+    elif isinstance(Migrate.ddl, PostgresDDL):
+        assert ret == 'DROP INDEX "idx_category_name_8b0cb9"'
+        assert ret_u == 'ALTER TABLE "category" DROP CONSTRAINT "uid_category_name_8b0cb9"'
+    else:
+        assert ret == 'ALTER TABLE "category" DROP INDEX "idx_category_name_8b0cb9"'
+        assert ret_u == 'ALTER TABLE "category" DROP INDEX "uid_category_name_8b0cb9"'
+
+
+def test_add_fk():
+    ret = Migrate.ddl.add_fk(Category, Category._meta.fields_map.get("user"))
+    if isinstance(Migrate.ddl, MysqlDDL):
+        assert (
+            ret
+            == "ALTER TABLE `category` ADD CONSTRAINT `fk_category_user_e2e3874c` FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON DELETE CASCADE"
+        )
+    else:
+        assert (
+            ret
+            == 'ALTER TABLE "category" ADD CONSTRAINT "fk_category_user_e2e3874c" FOREIGN KEY ("user_id") REFERENCES "user" ("id") ON DELETE CASCADE'
+        )
+
+
+def test_drop_fk():
+    ret = Migrate.ddl.drop_fk(Category, Category._meta.fields_map.get("user"))
+    if isinstance(Migrate.ddl, MysqlDDL):
+        assert ret == "ALTER TABLE `category` DROP FOREIGN KEY `fk_category_user_e2e3874c`"
+    elif isinstance(Migrate.ddl, PostgresDDL):
+        assert ret == 'ALTER TABLE "category" DROP CONSTRAINT "fk_category_user_e2e3874c"'
+    else:
+        assert ret == 'ALTER TABLE "category" DROP FOREIGN KEY "fk_category_user_e2e3874c"'
--- a/tests/test_migrate.py
+++ b/tests/test_migrate.py
@@ -0,0 +1,61 @@
+from tortoise import Tortoise
+
+from aerich.ddl.mysql import MysqlDDL
+from aerich.ddl.postgres import PostgresDDL
+from aerich.migrate import Migrate
+
+
+def test_migrate():
+    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, 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`)",
+        ]
+        assert Migrate.downgrade_operators == [
+            "ALTER TABLE `category` DROP COLUMN `name`",
+            "ALTER TABLE `user` DROP INDEX `uid_user_usernam_9987ab`",
+        ]
+    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")',
+        ]
+        assert Migrate.downgrade_operators == [
+            'ALTER TABLE "category" DROP COLUMN "name"',
+            'ALTER TABLE "user" DROP CONSTRAINT "uid_user_usernam_9987ab"',
+        ]
+    else:
+        assert Migrate.upgrade_operators == [
+            'ALTER TABLE "category" ADD "name" VARCHAR(200) NOT NULL',
+            'ALTER TABLE "user" ADD UNIQUE INDEX "uid_user_usernam_9987ab" ("username")',
+        ]
+        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):
+    mocker.patch(
+        "os.listdir",
+        return_value=[
+            "1_datetime_update.json",
+            "11_datetime_update.json",
+            "10_datetime_update.json",
+            "2_datetime_update.json",
+        ],
+    )
+
+    Migrate.migrate_location = "."
+
+    assert Migrate.get_all_version_files() == [
+        "1_datetime_update.json",
+        "2_datetime_update.json",
+        "10_datetime_update.json",
+        "11_datetime_update.json",
+    ]
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -1,6 +0,0 @@
-from unittest import TestCase
-
-
-class TestUtils(TestCase):
-    def test_get_app_connection(self):
-        pass
--- a/tox.ini
+++ b/tox.ini
@@ -1,11 +0,0 @@
-[tox]
-envlist = py{37,38,39}
-skip_missing_interpreters = True
-
-[testenv]
-whitelist_externals=
-    make
-commands=
-    make ci
-deps =
-    -r requirements-dev.txt
Author	SHA1	Message	Date
long2ice	fc914acc80	update README.md	2020-09-09 21:10:10 +08:00
long2ice	ac03ecb002	update README.md	2020-09-02 13:34:53 +08:00
long2ice	235ef3f7ea	fix datetime string format	2020-08-19 09:28:36 +08:00
long2ice	e00eb7f3d9	update README.md	2020-08-17 12:40:39 +08:00
long2ice	d6c8941676	update CHANGELOG.rst	2020-08-07 18:12:40 +08:00
long2ice	cf062c9310	update CHANGELOG.rst	2020-08-07 09:29:30 +08:00
long2ice	309adec8c9	Merge pull request #34 from moubctez/postgresql_unique PostgreSQL add/drop index/unique	2020-08-07 09:27:03 +08:00
Adam Ciarciński	8674142ba8	Fix test_migrate	2020-08-06 17:59:12 +02:00
Adam Ciarciński	cda9bd1c47	Save 1 space in tests	2020-08-06 17:50:28 +02:00
Adam Ciarciński	198e4e0032	Save 1 space	2020-08-06 17:49:26 +02:00
Adam Ciarciński	1b440477a2	PostgreSQL add/drop index/unique	2020-08-06 17:45:56 +02:00
long2ice	1263c6f735	Fix tortoise ssl config	2020-07-30 11:30:02 +08:00
long2ice	6504384879	update README.md	2020-07-29 10:30:25 +08:00
long2ice	17ab0a1421	fix version sort and add test	2020-07-29 10:21:43 +08:00
long2ice	e1ffcb609b	fix version sort	2020-07-28 18:31:45 +08:00
long2ice	18cb75f555	Merge pull request #32 from psbleep/close-tortoise-connections Close database connections	2020-07-26 16:52:08 +08:00
Patrick Schneeweis	dfe13ea250	add type hint	2020-07-25 15:22:05 -04:00
Patrick Schneeweis	b97ce0ff2f	Use close_db decorator on history command	2020-07-24 09:26:29 -04:00
Patrick Schneeweis	21001c0eda	Make history command into async function The close_db decorator requires async functions	2020-07-24 09:24:43 -04:00
Patrick Schneeweis	9bd96a9487	Use close_db decorator on command functions	2020-07-24 09:22:57 -04:00
Patrick Schneeweis	5bdaa32a9e	Decorator for closing db connection after func run	2020-07-24 09:17:19 -04:00
long2ice	d74e7b5630	Merge pull request #30 from psbleep/longer-migration-version-names Allow longer migration version names	2020-07-24 10:28:52 +08:00
Patrick Schneeweis	119b15d597	style fixes	2020-07-23 21:29:26 -04:00
Patrick Schneeweis	f93ab6bbff	Raise name length error when creating migration. Currently this error gets raised when trying to apply the migration, but it seems better to learn about it when trying to create the migration.	2020-07-23 21:22:30 -04:00
Patrick Schneeweis	bd8eb94a6e	Increase max length of version column	2020-07-23 21:21:58 -04:00
long2ice	2fcb2626fd	Fix postgres drop fk	2020-07-20 10:20:08 +08:00
long2ice	3728db4279	Merge remote-tracking branch 'origin/dev' into dev	2020-07-15 12:58:56 +08:00
long2ice	6ac1fb5332	add ads	2020-07-15 12:58:34 +08:00
long2ice	87a17d443c	update py version 3.7	2020-07-13 20:32:14 +08:00
long2ice	55f18a69ed	Merge pull request #23 from long2ice/master Master	2020-07-09 14:34:37 +08:00
long2ice	86a9c4cedd	Merge branch 'dev'	2020-07-09 14:28:09 +08:00
long2ice	86e1d3defb	fix test error	2020-07-08 21:00:30 +08:00
long2ice	01fa7fbbdb	Merge pull request #21 from moubctez/postgresql_fixes Enhance PostgreSQL support	2020-07-08 20:54:40 +08:00
Adam Ciarciński	90196eb1bf	Apply black	2020-07-08 14:38:42 +02:00
Adam Ciarciński	3c111792a9	Enhance PostgreSQL support	2020-07-07 19:54:55 +02:00
long2ice	77e9d7bc91	update deps	2020-07-06 00:10:07 +08:00
long2ice	fe2ddff88b	update version	2020-06-24 15:17:52 +08:00
long2ice	0d23297f46	Fix bug in windows.	2020-06-24 15:17:30 +08:00
long2ice	6be6d55e5b	Merge remote-tracking branch 'origin/dev' into dev	2020-06-22 12:55:46 +08:00
long2ice	25674bc73a	update Makefile	2020-06-22 12:55:26 +08:00
long2ice	1715eda1a3	Merge pull request #11 from FutureSenzhong/dev updata:File operations use utf8 encoding	2020-06-22 12:27:22 +08:00
邓森中	f5775049dd	updata:File operations use utf8 encoding	2020-06-22 11:18:52 +08:00
long2ice	6fd0f8a42f	update README.md licence	2020-06-20 12:49:43 +08:00
long2ice	f52dc009af	update README.md	2020-06-20 12:48:32 +08:00
long2ice	9248d456f9	update license	2020-06-17 11:39:15 +08:00
long2ice	c24f2f6b09	update pyproject.toml	2020-06-12 18:11:19 +08:00
long2ice	19c9c2c30f	Merge branch 'dev'	2020-06-12 17:53:30 +08:00
long2ice	73b75349ee	update version 0.2.0	2020-06-12 17:53:17 +08:00
long2ice	7bc553221a	raise NotImplementedError	2020-06-12 09:31:01 +08:00
long2ice	7413a05e19	set --safe bool	2020-06-08 18:07:41 +08:00
long2ice	bf194ca8ce	Update model file find method	2020-06-03 18:42:35 +08:00
long2ice	b06da0223a	add --build	2020-06-03 09:39:52 +08:00
long2ice	83554cdc5d	Merge remote-tracking branch 'origin/dev' into dev # Conflicts: # .github/workflows/pypi.yml # .github/workflows/test.yml # Makefile	2020-06-03 09:38:20 +08:00
long2ice	6c76bfccad	Merge remote-tracking branch 'origin/dev' into dev	2020-06-02 22:23:26 +08:00
long2ice	a1746e457c	update github actions update github actions update github actions update github actions update github actions update github actions update github actions update github actions update github actions update github actions update github actions	2020-06-02 22:23:15 +08:00
long2ice	2a0435dea9	update github actions	2020-06-02 22:14:44 +08:00
long2ice	e87f67f1e1	update github actions update github actions update github actions update github actions update github actions update github actions update github actions update github actions update github actions update github actions update github actions	2020-06-02 22:02:46 +08:00
long2ice	7b4b7ac749	update github actions	2020-06-02 18:58:59 +08:00
long2ice	5b9b51db3f	update github actions	2020-06-02 18:38:39 +08:00
long2ice	ffeee3c901	update github actions	2020-06-02 18:28:50 +08:00
long2ice	b4366d2427	update github actions	2020-06-02 18:20:55 +08:00
long2ice	ec1c80f3a9	remove requirements	2020-06-01 14:57:29 +08:00
long2ice	d2083632eb	add cli -V	2020-05-27 12:44:49 +08:00
long2ice	dc8b4c2263	Merge remote-tracking branch 'origin/master'	2020-05-27 11:22:01 +08:00
long2ice	2fc43cb0d8	Merge pull request #7 from long2ice/dev v0.1.9	2020-05-26 20:06:56 +08:00
long2ice	cb5dffeeb8	Merge branch 'dev'	2020-05-26 20:05:35 +08:00
long2ice	125389461f	check tortoise add aerich.models	2020-05-26 14:44:55 +08:00
long2ice	c09c878eaf	add support modify column diff mysql ddl	2020-05-26 10:22:02 +08:00
long2ice	ef3e0c11d5	update version	2020-05-25 23:46:35 +08:00
long2ice	881f70f748	Fix default_connection when upgrade	2020-05-25 23:44:42 +08:00
long2ice	615d9747dc	Merge pull request #5 from long2ice/dev v0.1.8	2020-05-25 22:43:36 +08:00
long2ice	6ffca1a0c7	add support modify column	2020-05-25 22:39:39 +08:00
long2ice	95e41720cb	Fix init db sql error	2020-05-25 18:53:34 +08:00
long2ice	40c0008e6e	Fix upgrade error when migrate	2020-05-25 18:02:56 +08:00
long2ice	ce75e55d60	update README.rst	2020-05-25 16:36:18 +08:00
long2ice	4d4f951e09	update README.rst	2020-05-25 16:33:56 +08:00
long2ice	354e861dad	add more test	2020-05-24 13:47:10 +08:00
long2ice	3a76486993	migrate raise error	2020-05-24 00:05:45 +08:00
long2ice	4d0a6b4de6	Fix version num str	2020-05-22 15:35:35 +08:00
long2ice	c01d2993e0	Exclude models.Aerich. Add init record when init-db.	2020-05-22 11:59:03 +08:00
long2ice	bab5ebf2f0	migrate exclude aerich.models	2020-05-22 11:14:16 +08:00
long2ice	7e5cefd7d6	write old models exclude aerich.models	2020-05-22 11:03:52 +08:00
long2ice	0cea28d521	update version	2020-05-21 23:57:13 +08:00
long2ice	b92e6551fd	update dependency_links	2020-05-21 23:33:58 +08:00
long2ice	bbabde32a1	update version	2020-05-21 21:24:21 +08:00
long2ice	aa921355b9	Store versions in db	2020-05-21 21:22:06 +08:00
long2ice	ea1191bb10	TODO: store version in db	2020-05-21 18:38:45 +08:00
long2ice	23dd29644c	fix dependency import	2020-05-21 13:44:09 +08:00
long2ice	bf1d745cef	remove cov	2020-05-20 19:00:03 +08:00
long2ice	f5e5d24855	perfect test	2020-05-20 18:42:13 +08:00
long2ice	6d92aec4b1	add pytest.yml	2020-05-19 17:45:41 +08:00
long2ice	55e78bdd2d	update regex	2020-05-19 17:16:21 +08:00
long2ice	b07d1abf49	raise Tortoise ConfigurationError	2020-05-19 16:16:07 +08:00
long2ice	ad9c3c809d	update setup.py	2020-05-19 14:01:07 +08:00