add ci branches-ignore master

Support drop column for sqlite. (#40 )
Merge pull request #174 from sasha00123/dev
2021-07-07 10:29:38 +08:00 · 2021-07-03 13:51:01 +08:00 · 2021-06-25 13:52:34 +08:00 · 2021-06-25 08:00:00 +03:00 · 2021-06-13 14:26:26 +08:00 · 2021-06-11 15:36:54 +02:00
24 changed files with 618 additions and 444 deletions
--- a/.github/FUNDING.yml
+++ b/.github/FUNDING.yml
@@ -0,0 +1 @@
+custom: ["https://sponsor.long2ice.cn"]
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,7 +1,13 @@
-name: test
-on: [ push, pull_request ]
+name: ci
+on:
+  push:
+    branches-ignore:
+      - master
+  pull_request:
+    branches-ignore:
+      - master
 jobs:
-  testall:
+  ci:
    runs-on: ubuntu-latest
    services:
      postgres:
--- a/.gitignore
+++ b/.gitignore
@@ -146,3 +146,4 @@ aerich.ini
 src
 .vscode
 .DS_Store
+.python-version
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,30 @@

 ## 0.5

+### 0.5.4
+
+- Fix incorrect index creation order. (#151)
+- Not catch exception when import config. (#164)
+- Support `drop column` for sqlite. (#40)
+
+### 0.5.3
+
+- Fix postgre alter null. (#142)
+- Fix default function when migrate. (#147)
+
+### 0.5.2
+
+- Fix rename field on the field add. (#134)
+- Fix postgres field type change error. (#135)
+- Fix inspectdb for `FloatField`. (#138)
+- Support `rename table`. (#139)
+
+### 0.5.1
+
+- Fix tortoise connections not being closed properly. (#120)
+- Fix bug for field change. (#119)
+- Fix drop model in the downgrade. (#132)
+
 ### 0.5.0

 - Refactor core code, now has no limitation for everything.
--- a/14
+++ b/14
@@ -8,23 +8,11 @@ POSTGRES_HOST ?= "127.0.0.1"
 POSTGRES_PORT ?= 5432
 POSTGRES_PASS ?= "123456"

-help:
-	@echo "Aerich development makefile"
-	@echo
-	@echo  "usage: make <target>"
-	@echo  "Targets:"
-	@echo  "    up			Updates dev/test dependencies"
-	@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"
-
 up:
 	@poetry update

 deps:
-	@poetry install -E dbdrivers
+	@poetry install -E asyncpg -E asyncmy -E aiomysql

 style: deps
 	isort -src $(checkfiles)
--- a/README.md
+++ b/README.md
@@ -1,18 +1,14 @@
 # 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)
+[![image](https://img.shields.io/github/license/tortoise/aerich)](https://github.com/tortoise/aerich)
+[![image](https://github.com/tortoise/aerich/workflows/pypi/badge.svg)](https://github.com/tortoise/aerich/actions?query=workflow:pypi)
+[![image](https://github.com/tortoise/aerich/workflows/ci/badge.svg)](https://github.com/tortoise/aerich/actions?query=workflow:ci)

 ## Introduction

-Aerich is a database migrations tool for Tortoise-ORM, which like alembic for SQLAlchemy, or Django ORM with it\'s own
-migrations solution.
-
-~~**Important: You can only use absolutely import in your `models.py` to make `aerich` work.**~~
-
-From version `v0.5.0`, there is no such limitation now.
+Aerich is a database migrations tool for Tortoise-ORM, which is like alembic for SQLAlchemy, or like Django ORM with
+it\'s own migration solution.

 ## Install

@@ -30,10 +26,12 @@ Just install from pypi:
 Usage: aerich [OPTIONS] COMMAND [ARGS]...

 Options:
+  -V, --version      Show the version and exit.
  -c, --config TEXT  Config file.  [default: aerich.ini]
-  --app TEXT         Tortoise-ORM app name.  [default: models]
+  --app TEXT         Tortoise-ORM app name.
  -n, --name TEXT    Name of section in .ini file to use for aerich config.
                     [default: aerich]
+
  -h, --help         Show this message and exit.

 Commands:
@@ -44,12 +42,12 @@ Commands:
  init-db    Generate schema and generate app migrate location.
  inspectdb  Introspects the database tables to standard output as...
  migrate    Generate migrate changes file.
-  upgrade    Upgrade to latest version.
+  upgrade    Upgrade to specified version.
 ```

 ## Usage

-You need add `aerich.models` to your `Tortoise-ORM` config first, example:
+You need add `aerich.models` to your `Tortoise-ORM` config first. Example:

 ```python
 TORTOISE_ORM = {
@@ -72,14 +70,16 @@ 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]
+OOptions:
+  -t, --tortoise-orm TEXT  Tortoise-ORM config module dict variable, like
+                           settings.TORTOISE_ORM.  [required]
+
  --location TEXT          Migrate store location.  [default: ./migrations]
+  -s, --src_folder TEXT    Folder of the source, relative to the project root.
  -h, --help               Show this message and exit.
 ```

-Init config file and location:
+Initialize the config file and migrations location:

 ```shell
 > aerich init -t tests.backends.mysql.TORTOISE_ORM
@@ -97,8 +97,8 @@ 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`.
+If your Tortoise-ORM app is not the default `models`, you must specify the correct app via `--app`,
+e.g. `aerich --app other_models init-db`.

 ### Update models and make migrate

@@ -111,9 +111,9 @@ Success migrate 1_202029051520102929_drop_column.sql
 Format of migrate filename is
 `{version_num}_{datetime}_{name|update}.sql`.

-And if `aerich` guess you are renaming a column, it will ask `Rename {old_column} to {new_column} [True]`, you can
-choice `True` to rename column without column drop, or choice `False` to drop column then create, note that the after
-maybe lose data.
+If `aerich` guesses you are renaming a column, it will ask `Rename {old_column} to {new_column} [True]`. You can choose
+`True` to rename column without column drop, or choose `False` to drop the column then create. Note that the latter may
+lose data.

 ### Upgrade to latest version

@@ -128,7 +128,7 @@ Now your db is migrated to latest.
 ### Downgrade to specified version

 ```shell
-> aerich init -h
+> aerich downgrade -h

 Usage: aerich downgrade [OPTIONS]

@@ -149,7 +149,7 @@ Options:
 Success downgrade 1_202029051520102929_drop_column.sql
 ```

-Now your db rollback to specified version.
+Now your db is rolled back to the specified version.

 ### Show history

@@ -169,7 +169,7 @@ Now your db rollback to specified version.

 ### Inspect db tables to TortoiseORM model

-Currently, only support MySQL.
+Currently `inspectdb` only supports MySQL.

 ```shell
 Usage: aerich inspectdb [OPTIONS]
@@ -187,14 +187,13 @@ Inspect all tables and print to console:
 aerich --app models inspectdb
 ```

-Inspect a specified table in default app and redirect to `models.py`:
+Inspect a specified table in the default app and redirect to `models.py`:

 ```shell
 aerich inspectdb -t user > models.py
 ```

-Note that this command is restricted, which is not supported in some solutions, such as `IntEnumField`
-and `ForeignKeyField` and so on.
+Note that this command is limited and cannot infer some fields, such as `IntEnumField`, `ForeignKeyField`, and others.

 ### Multiple databases

@@ -211,13 +210,7 @@ tortoise_orm = {
 }
 ```

-You need only specify `aerich.models` in one app, and must specify `--app` when run `aerich migrate` and so on.
-
-## Support this project
-
-| 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. |
+You only need to specify `aerich.models` in one app, and must specify `--app` when running `aerich migrate` and so on.

 ## License

--- a/aerich/init.py
+++ b/aerich/init.py
@@ -1 +1 @@
-__version__ = "0.5.0"
+__version__ = "0.5.4"
--- a/aerich/cli.py
+++ b/aerich/cli.py
@@ -1,6 +1,5 @@
 import asyncio
 import os
-import sys
 from configparser import ConfigParser
 from functools import wraps
 from pathlib import Path
@@ -16,6 +15,7 @@ from tortoise.utils import get_schema_sql
 from aerich.inspectdb import InspectDb
 from aerich.migrate import Migrate
 from aerich.utils import (
+    add_src_path,
    get_app_connection,
    get_app_connection_name,
    get_models_describe,
@@ -35,7 +35,13 @@ def coro(f):
    @wraps(f)
    def wrapper(*args, **kwargs):
        loop = asyncio.get_event_loop()
-        loop.run_until_complete(f(*args, **kwargs))
+
+        # Close db connections at the end of all all but the cli group function
+        try:
+            loop.run_until_complete(f(*args, **kwargs))
+        finally:
+            if f.__name__ != "cli":
+                loop.run_until_complete(Tortoise.close_connections())

    return wrapper

@@ -43,11 +49,7 @@ def coro(f):
@click.group(context_settings={"help_option_names": ["-h", "--help"]})
@click.version_option(__version__, "-V", "--version")
@click.option(
-    "-c",
-    "--config",
-    default="aerich.ini",
-    show_default=True,
-    help="Config file.",
+    "-c", "--config", default="aerich.ini", show_default=True, help="Config file.",
 )
@click.option("--app", required=False, help="Tortoise-ORM app name.")
@click.option(
@@ -72,6 +74,10 @@ async def cli(ctx: Context, config, app, name):

        location = parser[name]["location"]
        tortoise_orm = parser[name]["tortoise_orm"]
+        src_folder = parser[name]["src_folder"]
+
+        # Add specified source folder to path
+        add_src_path(src_folder)

        tortoise_config = get_tortoise_config(ctx, tortoise_orm)
        app = app or list(tortoise_config.get("apps").keys())[0]
@@ -116,9 +122,7 @@ async def upgrade(ctx: Context):
                for upgrade_query in upgrade_query_list:
                    await conn.execute_script(upgrade_query)
                await Aerich.create(
-                    version=version_file,
-                    app=app,
-                    content=get_models_describe(app),
+                    version=version_file, app=app, content=get_models_describe(app),
                )
            click.secho(f"Success upgrade {version_file}", fg=Color.green)
            migrated = True
@@ -212,26 +216,37 @@ async def history(ctx: Context):
    help="Tortoise-ORM config module dict variable, like settings.TORTOISE_ORM.",
 )
@click.option(
-    "--location",
-    default="./migrations",
-    show_default=True,
-    help="Migrate store location.",
+    "--location", default="./migrations", show_default=True, help="Migrate store location.",
+)
+@click.option(
+    "-s",
+    "--src_folder",
+    default=".",
+    show_default=False,
+    help="Folder of the source, relative to the project root.",
 )
@click.pass_context
@coro
-async def init(
-    ctx: Context,
-    tortoise_orm,
-    location,
-):
+async def init(ctx: Context, tortoise_orm, location, src_folder):
    config_file = ctx.obj["config_file"]
    name = ctx.obj["name"]
    if Path(config_file).exists():
-        return click.secho("You have inited", fg=Color.yellow)
+        return click.secho("Configuration file already created", fg=Color.yellow)
+
+    if os.path.isabs(src_folder):
+        src_folder = os.path.relpath(os.getcwd(), src_folder)
+    # Add ./ so it's clear that this is relative path
+    if not src_folder.startswith("./"):
+        src_folder = "./" + src_folder
+
+    # check that we can find the configuration, if not we can fail before the config file gets created
+    add_src_path(src_folder)
+    get_tortoise_config(ctx, tortoise_orm)

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

    with open(config_file, "w", encoding="utf-8") as f:
        parser.write(f)
@@ -274,9 +289,7 @@ async def init_db(ctx: Context, safe):

    version = await Migrate.generate_version()
    await Aerich.create(
-        version=version,
-        app=app,
-        content=get_models_describe(app),
+        version=version, app=app, content=get_models_describe(app),
    )
    content = {
        "upgrade": [schema],
@@ -287,11 +300,7 @@ async def init_db(ctx: Context, safe):

@cli.command(help="Introspects the database tables to standard output as TortoiseORM model.")
@click.option(
-    "-t",
-    "--table",
-    help="Which tables to inspect.",
-    multiple=True,
-    required=False,
+    "-t", "--table", help="Which tables to inspect.", multiple=True, required=False,
 )
@click.pass_context
@coro
@@ -305,7 +314,6 @@ async def inspectdb(ctx: Context, table: List[str]):


 def main():
-    sys.path.insert(0, ".")
    cli()


--- a/aerich/ddl/init.py
+++ b/aerich/ddl/init.py
@@ -4,6 +4,8 @@ from typing import List, Type
 from tortoise import BaseDBAsyncClient, Model
 from tortoise.backends.base.schema_generator import BaseSchemaGenerator

+from aerich.utils import is_default_function
+

 class BaseDDL:
    schema_generator_cls: Type[BaseSchemaGenerator] = BaseSchemaGenerator
@@ -26,6 +28,7 @@ class BaseDDL:
    _CHANGE_COLUMN_TEMPLATE = (
        'ALTER TABLE "{table_name}" CHANGE {old_column_name} {new_column_name} {new_column_type}'
    )
+    _RENAME_TABLE_TEMPLATE = 'ALTER TABLE "{old_table_name}" RENAME TO "{new_table_name}"'

    def __init__(self, client: "BaseDBAsyncClient"):
        self.client = client
@@ -75,7 +78,11 @@ class BaseDDL:
        auto_now_add = field_describe.get("auto_now_add", False)
        auto_now = field_describe.get("auto_now", False)
        if default is not None or auto_now_add:
-            if field_describe.get("field_type") in ["UUIDField", "TextField", "JSONField"]:
+            if field_describe.get("field_type") in [
+                "UUIDField",
+                "TextField",
+                "JSONField",
+            ] or is_default_function(default):
                default = ""
            else:
                try:
@@ -108,9 +115,7 @@ class BaseDDL:
                nullable="NOT NULL" if not field_describe.get("nullable") else "",
                unique="UNIQUE" if field_describe.get("unique") else "",
                comment=self.schema_generator._column_comment_generator(
-                    table=db_table,
-                    column=db_column,
-                    comment=field_describe.get("description"),
+                    table=db_table, column=db_column, comment=field_describe.get("description"),
                )
                if description
                else "",
@@ -226,7 +231,13 @@ class BaseDDL:
        )

    def alter_column_null(self, model: "Type[Model]", field_describe: dict):
-        raise NotImplementedError
+        return self.modify_column(model, field_describe)

    def set_comment(self, model: "Type[Model]", field_describe: dict):
-        raise NotImplementedError
+        return self.modify_column(model, field_describe)
+
+    def rename_table(self, model: "Type[Model]", old_table_name: str, new_table_name: str):
+        db_table = model._meta.db_table
+        return self._RENAME_TABLE_TEMPLATE.format(
+            table_name=db_table, old_table_name=old_table_name, new_table_name=new_table_name
+        )
--- a/aerich/ddl/mysql/init.py
+++ b/aerich/ddl/mysql/init.py
@@ -1,10 +1,6 @@
-from typing import Type
-
-from tortoise import Model
 from tortoise.backends.mysql.schema_generator import MySQLSchemaGenerator

 from aerich.ddl import BaseDDL
-from aerich.exceptions import NotSupportError


 class MysqlDDL(BaseDDL):
@@ -28,9 +24,4 @@ class MysqlDDL(BaseDDL):
    _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 alter_column_null(self, model: "Type[Model]", field_describe: dict):
-        raise NotSupportError("Alter column null is unsupported in MySQL.")
-
-    def set_comment(self, model: "Type[Model]", field_describe: dict):
-        raise NotSupportError("Alter column comment is unsupported in MySQL.")
+    _RENAME_TABLE_TEMPLATE = "ALTER TABLE `{old_table_name}` RENAME TO `{new_table_name}`"
--- a/aerich/ddl/postgres/init.py
+++ b/aerich/ddl/postgres/init.py
@@ -12,7 +12,9 @@ class PostgresDDL(BaseDDL):
    _ADD_INDEX_TEMPLATE = 'CREATE {unique}INDEX "{index_name}" ON "{table_name}" ({column_names})'
    _DROP_INDEX_TEMPLATE = 'DROP INDEX "{index_name}"'
    _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}'
+    _MODIFY_COLUMN_TEMPLATE = (
+        'ALTER TABLE "{table_name}" ALTER COLUMN "{column}" TYPE {datatype}{using}'
+    )
    _SET_COMMENT_TEMPLATE = 'COMMENT ON COLUMN "{table_name}"."{column}" IS {comment}'
    _DROP_FK_TEMPLATE = 'ALTER TABLE "{table_name}" DROP CONSTRAINT "{fk_name}"'

@@ -27,10 +29,13 @@ class PostgresDDL(BaseDDL):
    def modify_column(self, model: "Type[Model]", field_describe: dict, is_pk: bool = False):
        db_table = model._meta.db_table
        db_field_types = field_describe.get("db_field_types")
+        db_column = field_describe.get("db_column")
+        datatype = db_field_types.get(self.DIALECT) or db_field_types.get("")
        return self._MODIFY_COLUMN_TEMPLATE.format(
            table_name=db_table,
-            column=field_describe.get("db_column"),
-            datatype=db_field_types.get(self.DIALECT) or db_field_types.get(""),
+            column=db_column,
+            datatype=datatype,
+            using=f' USING "{db_column}"::{datatype}',
        )

    def set_comment(self, model: "Type[Model]", field_describe: dict):
--- a/aerich/ddl/sqlite/init.py
+++ b/aerich/ddl/sqlite/init.py
@@ -11,9 +11,6 @@ class SqliteDDL(BaseDDL):
    schema_generator_cls = SqliteSchemaGenerator
    DIALECT = SqliteSchemaGenerator.DIALECT

-    def drop_column(self, model: "Type[Model]", column_name: str):
-        raise NotSupportError("Drop column is unsupported in SQLite.")
-
    def modify_column(self, model: "Type[Model]", field_object: dict, is_pk: bool = True):
        raise NotSupportError("Modify column is unsupported in SQLite.")

--- a/aerich/inspectdb.py
+++ b/aerich/inspectdb.py
@@ -15,6 +15,7 @@ class InspectDb:
        "LONGTEXT": "    {field} = fields.TextField({null}{default}{comment})",
        "TEXT": "    {field} = fields.TextField({null}{default}{comment})",
        "DATETIME": "    {field} = fields.DatetimeField({null}{default}{comment})",
+        "FLOAT": "    {field} = fields.FloatField({null}{default}{comment})",
    }

    def __init__(self, conn: BaseDBAsyncClient, tables: Optional[List[str]] = None):
--- a/aerich/migrate.py
+++ b/aerich/migrate.py
@@ -10,7 +10,12 @@ from tortoise.exceptions import OperationalError

 from aerich.ddl import BaseDDL
 from aerich.models import MAX_VERSION_LENGTH, Aerich
-from aerich.utils import get_app_connection, get_models_describe, write_version_file
+from aerich.utils import (
+    get_app_connection,
+    get_models_describe,
+    is_default_function,
+    write_version_file,
+)


 class Migrate:
@@ -108,8 +113,8 @@ class Migrate:
            if version_file.startswith(version.split("_")[0]):
                os.unlink(Path(cls.migrate_location, version_file))
        content = {
-            "upgrade": cls.upgrade_operators,
-            "downgrade": cls.downgrade_operators,
+            "upgrade": list(dict.fromkeys(cls.upgrade_operators)),
+            "downgrade": list(dict.fromkeys(cls.downgrade_operators)),
        }
        write_version_file(Path(cls.migrate_location, version), content)
        return version
@@ -169,10 +174,18 @@ class Migrate:
            model = cls._get_model(new_model_describe.get("name").split(".")[1])

            if new_model_str not in old_models.keys():
-                cls._add_operator(cls.add_model(model), upgrade)
+                if upgrade:
+                    cls._add_operator(cls.add_model(model), upgrade)
+                else:
+                    # we can't find origin model when downgrade, so skip
+                    pass
            else:
                old_model_describe = old_models.get(new_model_str)
-
+                # rename table
+                new_table = new_model_describe.get("table")
+                old_table = old_model_describe.get("table")
+                if new_table != old_table:
+                    cls._add_operator(cls.rename_table(model, old_table, new_table), upgrade)
                old_unique_together = set(
                    map(lambda x: tuple(x), old_model_describe.get("unique_together"))
                )
@@ -223,16 +236,10 @@ class Migrate:
                            cls._add_operator(cls.drop_m2m(table), upgrade, fk_m2m=True)
                # add unique_together
                for index in new_unique_together.difference(old_unique_together):
-                    cls._add_operator(
-                        cls._add_index(model, index, True),
-                        upgrade,
-                    )
+                    cls._add_operator(cls._add_index(model, index, True), upgrade, True)
                # remove unique_together
                for index in old_unique_together.difference(new_unique_together):
-                    cls._add_operator(
-                        cls._drop_index(model, index, True),
-                        upgrade,
-                    )
+                    cls._add_operator(cls._drop_index(model, index, True), upgrade, True)

                old_data_fields = old_model_describe.get("data_fields")
                new_data_fields = new_model_describe.get("data_fields")
@@ -253,14 +260,19 @@ class Migrate:
                        old_data_field_name = old_data_field.get("name")
                        if len(changes) == 2:
                            # rename field
-                            if changes[0] == (
-                                "change",
-                                "name",
-                                (old_data_field_name, new_data_field_name),
-                            ) and changes[1] == (
-                                "change",
-                                "db_column",
-                                (old_data_field.get("db_column"), new_data_field.get("db_column")),
+                            if (
+                                changes[0]
+                                == ("change", "name", (old_data_field_name, new_data_field_name),)
+                                and changes[1]
+                                == (
+                                    "change",
+                                    "db_column",
+                                    (
+                                        old_data_field.get("db_column"),
+                                        new_data_field.get("db_column"),
+                                    ),
+                                )
+                                and old_data_field_name not in new_data_fields_name
                            ):
                                if upgrade:
                                    is_rename = click.prompt(
@@ -281,23 +293,15 @@ class Migrate:
                                        and cls._db_version.startswith("5.")
                                    ):
                                        cls._add_operator(
-                                            cls._change_field(
-                                                model, new_data_field, old_data_field
-                                            ),
-                                            upgrade,
+                                            cls._modify_field(model, new_data_field), upgrade,
                                        )
                                    else:
                                        cls._add_operator(
-                                            cls._rename_field(model, *changes[1][2]),
-                                            upgrade,
+                                            cls._rename_field(model, *changes[1][2]), upgrade,
                                        )
                    if not is_rename:
                        cls._add_operator(
-                            cls._add_field(
-                                model,
-                                new_data_field,
-                            ),
-                            upgrade,
+                            cls._add_field(model, new_data_field,), upgrade,
                        )
                # remove fields
                for old_data_field_name in set(old_data_fields_name).difference(
@@ -367,27 +371,43 @@ class Migrate:
                            unique = new_data_field.get("unique")
                            if old_new[0] is False and old_new[1] is True:
                                cls._add_operator(
-                                    cls._add_index(model, (field_name,), unique),
-                                    upgrade,
+                                    cls._add_index(model, (field_name,), unique), upgrade, True
                                )
                            else:
                                cls._add_operator(
-                                    cls._drop_index(model, (field_name,), unique),
-                                    upgrade,
+                                    cls._drop_index(model, (field_name,), unique), upgrade, True
                                )
                        elif option == "db_field_types.":
-                            # change column
-                            cls._add_operator(
-                                cls._change_field(model, old_data_field, new_data_field),
-                                upgrade,
-                            )
+                            # continue since repeated with others
+                            continue
                        elif option == "default":
-                            cls._add_operator(cls._alter_default(model, new_data_field), upgrade)
+                            if not (
+                                is_default_function(old_new[0]) or is_default_function(old_new[1])
+                            ):
+                                # change column default
+                                cls._add_operator(
+                                    cls._alter_default(model, new_data_field), upgrade
+                                )
+                        elif option == "unique":
+                            # because indexed include it
+                            continue
+                        elif option == "nullable":
+                            # change nullable
+                            cls._add_operator(cls._alter_null(model, new_data_field), upgrade)
+                        else:
+                            # modify column
+                            cls._add_operator(
+                                cls._modify_field(model, new_data_field), upgrade,
+                            )

        for old_model in old_models:
            if old_model not in new_models.keys():
                cls._add_operator(cls.drop_model(old_models.get(old_model).get("table")), upgrade)

+    @classmethod
+    def rename_table(cls, model: Type[Model], old_table_name: str, new_table_name: str):
+        return cls.ddl.rename_table(model, old_table_name, new_table_name)
+
    @classmethod
    def add_model(cls, model: Type[Model]):
        return cls.ddl.create_table(model)
--- a/aerich/utils.py
+++ b/aerich/utils.py
@@ -1,10 +1,30 @@
 import importlib
+import os
+import re
+import sys
+from pathlib import Path
 from typing import Dict

-from click import BadOptionUsage, Context
+from click import BadOptionUsage, ClickException, Context
 from tortoise import BaseDBAsyncClient, Tortoise


+def add_src_path(path: str) -> str:
+    """
+    add a folder to the paths so we can import from there
+    :param path: path to add
+    :return: absolute path
+    """
+    if not os.path.isabs(path):
+        # use the absolute path, otherwise some other things (e.g. __file__) won't work properly
+        path = os.path.abspath(path)
+    if not os.path.isdir(path):
+        raise ClickException(f"Specified source folder does not exist: {path}")
+    if path not in sys.path:
+        sys.path.insert(0, path)
+    return path
+
+
 def get_app_connection_name(config, app_name: str) -> str:
    """
    get connection name
@@ -16,8 +36,7 @@ def get_app_connection_name(config, app_name: str) -> str:
    if app:
        return app.get("default_connection", "default")
    raise BadOptionUsage(
-        option_name="--app",
-        message=f'Can\'t get app named "{app_name}"',
+        option_name="--app", message=f'Can\'t get app named "{app_name}"',
    )


@@ -41,12 +60,11 @@ def get_tortoise_config(ctx: Context, tortoise_orm: str) -> dict:
    splits = tortoise_orm.split(".")
    config_path = ".".join(splits[:-1])
    tortoise_config = splits[-1]
+
    try:
        config_module = importlib.import_module(config_path)
-    except (ModuleNotFoundError, AttributeError):
-        raise BadOptionUsage(
-            ctx=ctx, message=f'No config named "{config_path}"', option_name="--config"
-        )
+    except ModuleNotFoundError as e:
+        raise ClickException(f"Error while importing configuration module: {e}") from None

    config = getattr(config_module, tortoise_config, None)
    if not config:
@@ -84,7 +102,7 @@ def get_version_content_from_file(version_file: str) -> Dict:
        return ret


-def write_version_file(version_file: str, content: Dict):
+def write_version_file(version_file: Path, content: Dict):
    """
    write version file
    :param version_file:
@@ -121,3 +139,7 @@ def get_models_describe(app: str) -> Dict:
        describe = model.describe()
        ret[describe.get("name")] = describe
    return ret
+
+
+def is_default_function(string: str):
+    return re.match(r"^<function.+>$", str(string or ""))
--- a/conftest.py
+++ b/conftest.py
@@ -20,10 +20,7 @@ tortoise_orm = {
        "second": expand_db_url(db_url_second, True),
    },
    "apps": {
-        "models": {
-            "models": ["tests.models", "aerich.models"],
-            "default_connection": "default",
-        },
+        "models": {"models": ["tests.models", "aerich.models"], "default_connection": "default"},
        "models_second": {"models": ["tests.models_second"], "default_connection": "second"},
    },
 }
--- a/images/alipay.jpeg
+++ b/images/alipay.jpeg
--- a/images/wechatpay.jpeg
+++ b/images/wechatpay.jpeg
--- a/poetry.lock
+++ b/poetry.lock
@@ -41,14 +41,17 @@ python-versions = "*"

 [[package]]
 name = "asyncpg"
-version = "0.21.0"
+version = "0.23.0"
 description = "An asyncio PostgreSQL driver"
 category = "main"
 optional = true
 python-versions = ">=3.5.0"

+[package.dependencies]
+typing-extensions = {version = ">=3.7.4.3", markers = "python_version < \"3.8\""}
+
 [package.extras]
-dev = ["Cython (==0.29.20)", "pytest (>=3.6.0)", "Sphinx (>=1.7.3,<1.8.0)", "sphinxcontrib-asyncio (>=0.2.0,<0.3.0)", "sphinx-rtd-theme (>=0.2.4,<0.3.0)", "pycodestyle (>=2.5.0,<2.6.0)", "flake8 (>=3.7.9,<3.8.0)", "uvloop (>=0.14.0,<0.15.0)"]
+dev = ["Cython (>=0.29.20,<0.30.0)", "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)"]

@@ -62,17 +65,17 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"

 [[package]]
 name = "attrs"
-version = "20.3.0"
+version = "21.2.0"
 description = "Classes Without Boilerplate"
 category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"

 [package.extras]
-dev = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "furo", "sphinx", "pre-commit"]
-docs = ["furo", "sphinx", "zope.interface"]
-tests = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
-tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six"]
+dev = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "mypy", "pytest-mypy-plugins", "zope.interface", "furo", "sphinx", "sphinx-notfound-page", "pre-commit"]
+docs = ["furo", "sphinx", "zope.interface", "sphinx-notfound-page"]
+tests = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "mypy", "pytest-mypy-plugins", "zope.interface"]
+tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "mypy", "pytest-mypy-plugins"]

 [[package]]
 name = "bandit"
@@ -91,7 +94,7 @@ stevedore = ">=1.20.0"

 [[package]]
 name = "black"
-version = "20.8b1"
+version = "19.10b0"
 description = "The uncompromising code formatter."
 category = "dev"
 optional = false
@@ -99,34 +102,66 @@ python-versions = ">=3.6"

 [package.dependencies]
 appdirs = "*"
-click = ">=7.1.2"
-mypy-extensions = ">=0.4.3"
+attrs = ">=18.1.0"
+click = ">=6.5"
 pathspec = ">=0.6,<1"
-regex = ">=2020.1.8"
-toml = ">=0.10.1"
+regex = "*"
+toml = ">=0.9.4"
 typed-ast = ">=1.4.0"
-typing-extensions = ">=3.7.4"

 [package.extras]
-colorama = ["colorama (>=0.4.3)"]
 d = ["aiohttp (>=3.3.2)", "aiohttp-cors"]

+[[package]]
+name = "cffi"
+version = "1.14.5"
+description = "Foreign Function Interface for Python calling C code."
+category = "dev"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+pycparser = "*"
+
 [[package]]
 name = "click"
-version = "7.1.2"
+version = "8.0.1"
 description = "Composable command line interface toolkit"
 category = "main"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+python-versions = ">=3.6"
+
+[package.dependencies]
+colorama = {version = "*", markers = "platform_system == \"Windows\""}
+importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}

 [[package]]
 name = "colorama"
 version = "0.4.4"
 description = "Cross-platform colored terminal text."
-category = "dev"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"

+[[package]]
+name = "cryptography"
+version = "3.4.7"
+description = "cryptography is a package which provides cryptographic recipes and primitives to Python developers."
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+cffi = ">=1.12"
+
+[package.extras]
+docs = ["sphinx (>=1.6.5,!=1.8.0,!=3.1.0,!=3.1.1)", "sphinx-rtd-theme"]
+docstest = ["doc8", "pyenchant (>=1.6.11)", "twine (>=1.12.0)", "sphinxcontrib-spelling (>=4.0.1)"]
+pep8test = ["black", "flake8", "flake8-import-order", "pep8-naming"]
+sdist = ["setuptools-rust (>=0.11.4)"]
+ssh = ["bcrypt (>=3.1.5)"]
+test = ["pytest (>=6.0)", "pytest-cov", "pytest-subtests", "pytest-xdist", "pretend", "iso8601", "pytz", "hypothesis (>=1.11.4,!=3.79.2)"]
+
 [[package]]
 name = "ddlparse"
 version = "1.9.0"
@@ -154,7 +189,7 @@ tests = ["check-manifest (>=0.25)", "coverage (>=4.0)", "isort (>=4.2.2)", "mock

 [[package]]
 name = "execnet"
-version = "1.8.0"
+version = "1.8.1"
 description = "execnet: rapid multi-Python deployment"
 category = "dev"
 optional = false
@@ -168,45 +203,46 @@ testing = ["pre-commit"]

 [[package]]
 name = "flake8"
-version = "3.8.4"
+version = "3.9.2"
 description = "the modular source code checker: pep8 pyflakes and co"
 category = "dev"
 optional = false
-python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"

 [package.dependencies]
 importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
 mccabe = ">=0.6.0,<0.7.0"
-pycodestyle = ">=2.6.0a1,<2.7.0"
-pyflakes = ">=2.2.0,<2.3.0"
+pycodestyle = ">=2.7.0,<2.8.0"
+pyflakes = ">=2.3.0,<2.4.0"

 [[package]]
 name = "gitdb"
-version = "4.0.5"
+version = "4.0.7"
 description = "Git Object Database"
 category = "dev"
 optional = false
 python-versions = ">=3.4"

 [package.dependencies]
-smmap = ">=3.0.1,<4"
+smmap = ">=3.0.1,<5"

 [[package]]
 name = "gitpython"
-version = "3.1.12"
+version = "3.1.17"
 description = "Python Git Library"
 category = "dev"
 optional = false
-python-versions = ">=3.4"
+python-versions = ">=3.5"

 [package.dependencies]
 gitdb = ">=4.0.1,<5"
+typing-extensions = {version = ">=3.7.4.0", markers = "python_version < \"3.8\""}

 [[package]]
 name = "importlib-metadata"
-version = "3.4.0"
+version = "4.4.0"
 description = "Read metadata from Python packages"
-category = "dev"
+category = "main"
 optional = false
 python-versions = ">=3.6"

@@ -216,7 +252,7 @@ zipp = ">=0.5"

 [package.extras]
 docs = ["sphinx", "jaraco.packaging (>=8.2)", "rst.linker (>=1.9)"]
-testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-cov", "pytest-enabler", "packaging", "pep517", "pyfakefs", "flufl.flake8", "pytest-black (>=0.3.7)", "pytest-mypy", "importlib-resources (>=1.3)"]
+testing = ["pytest (>=4.6)", "pytest-checkdocs (>=2.4)", "pytest-flake8", "pytest-cov", "pytest-enabler (>=1.0.1)", "packaging", "pep517", "pyfakefs", "flufl.flake8", "pytest-black (>=0.3.7)", "pytest-mypy", "importlib-resources (>=1.3)"]

 [[package]]
 name = "iniconfig"
@@ -228,7 +264,7 @@ python-versions = "*"

 [[package]]
 name = "iso8601"
-version = "0.1.13"
+version = "0.1.14"
 description = "Simple module to parse ISO 8601 dates"
 category = "main"
 optional = false
@@ -236,7 +272,7 @@ python-versions = "*"

 [[package]]
 name = "isort"
-version = "5.7.0"
+version = "5.8.0"
 description = "A Python utility / library to sort Python imports."
 category = "dev"
 optional = false
@@ -255,14 +291,6 @@ category = "dev"
 optional = false
 python-versions = "*"

-[[package]]
-name = "mypy-extensions"
-version = "0.4.3"
-description = "Experimental type system extensions for programs checked with the mypy typechecker."
-category = "dev"
-optional = false
-python-versions = "*"
-
 [[package]]
 name = "packaging"
 version = "20.9"
@@ -284,7 +312,7 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"

 [[package]]
 name = "pbr"
-version = "5.5.1"
+version = "5.6.0"
 description = "Python Build Reasonableness"
 category = "dev"
 optional = false
@@ -314,28 +342,38 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"

 [[package]]
 name = "pycodestyle"
-version = "2.6.0"
+version = "2.7.0"
 description = "Python style guide checker"
 category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"

+[[package]]
+name = "pycparser"
+version = "2.20"
+description = "C parser in Python"
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
 [[package]]
 name = "pydantic"
-version = "1.7.3"
+version = "1.8.2"
 description = "Data validation and settings management using python 3.6 type hinting"
 category = "main"
 optional = false
-python-versions = ">=3.6"
+python-versions = ">=3.6.1"
+
+[package.dependencies]
+typing-extensions = ">=3.7.4.3"

 [package.extras]
 dotenv = ["python-dotenv (>=0.10.4)"]
 email = ["email-validator (>=1.0.3)"]
-typing_extensions = ["typing-extensions (>=3.7.2)"]

 [[package]]
 name = "pyflakes"
-version = "2.2.0"
+version = "2.3.1"
 description = "passive checker of Python programs"
 category = "dev"
 optional = false
@@ -361,16 +399,16 @@ optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"

 [[package]]
-name = "pypika"
-version = "0.44.1"
-description = "A SQL query builder API for Python"
+name = "pypika-tortoise"
+version = "0.1.1"
+description = "Forked from pypika and streamline just for tortoise-orm"
 category = "main"
 optional = false
-python-versions = "*"
+python-versions = ">=3.7,<4.0"

 [[package]]
 name = "pytest"
-version = "6.2.2"
+version = "6.2.4"
 description = "pytest: simple powerful testing with Python"
 category = "dev"
 optional = false
@@ -392,17 +430,17 @@ testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xm

 [[package]]
 name = "pytest-asyncio"
-version = "0.14.0"
+version = "0.15.1"
 description = "Pytest support for asyncio."
 category = "dev"
 optional = false
-python-versions = ">= 3.5"
+python-versions = ">= 3.6"

 [package.dependencies]
 pytest = ">=5.4.0"

 [package.extras]
-testing = ["async-generator (>=1.3)", "coverage", "hypothesis (>=5.7.1)"]
+testing = ["coverage", "hypothesis (>=5.7.1)"]

 [[package]]
 name = "pytest-forked"
@@ -418,11 +456,11 @@ pytest = ">=3.10"

 [[package]]
 name = "pytest-mock"
-version = "3.5.1"
+version = "3.6.1"
 description = "Thin-wrapper around the mock package for easier use with pytest"
 category = "dev"
 optional = false
-python-versions = ">=3.5"
+python-versions = ">=3.6"

 [package.dependencies]
 pytest = ">=5.0"
@@ -432,7 +470,7 @@ dev = ["pre-commit", "tox", "pytest-asyncio"]

 [[package]]
 name = "pytest-xdist"
-version = "2.2.0"
+version = "2.2.1"
 description = "pytest xdist plugin for distributed testing and loop-on-failing modes"
 category = "dev"
 optional = false
@@ -449,7 +487,7 @@ testing = ["filelock"]

 [[package]]
 name = "pytz"
-version = "2020.5"
+version = "2021.1"
 description = "World timezone definitions, modern and historical"
 category = "main"
 optional = false
@@ -465,7 +503,7 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, !=3.5.*"

 [[package]]
 name = "regex"
-version = "2020.11.13"
+version = "2021.4.4"
 description = "Alternative regular expression module, to replace re."
 category = "dev"
 optional = false
@@ -473,7 +511,7 @@ python-versions = "*"

 [[package]]
 name = "six"
-version = "1.15.0"
+version = "1.16.0"
 description = "Python 2 and 3 compatibility utilities"
 category = "dev"
 optional = false
@@ -481,11 +519,11 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"

 [[package]]
 name = "smmap"
-version = "3.0.5"
+version = "4.0.0"
 description = "A pure Python implementation of a sliding window memory map manager"
 category = "dev"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+python-versions = ">=3.5"

 [[package]]
 name = "stevedore"
@@ -509,7 +547,7 @@ python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"

 [[package]]
 name = "tortoise-orm"
-version = "0.16.21"
+version = "0.17.3"
 description = "Easy async ORM for python, built with relations in mind"
 category = "main"
 optional = false
@@ -518,18 +556,19 @@ python-versions = ">=3.7,<4.0"
 [package.dependencies]
 aiosqlite = ">=0.16.0,<0.17.0"
 iso8601 = ">=0.1.13,<0.2.0"
-pypika = ">=0.44.0,<0.45.0"
-pytz = ">=2020.4,<2021.0"
+pypika-tortoise = ">=0.1.1,<0.2.0"
+pytz = "*"

 [package.extras]
 docs = ["pygments", "cloud-sptheme", "docutils", "sphinx"]
 aiomysql = ["aiomysql"]
+asyncmy = ["asyncmy"]
 asyncpg = ["asyncpg"]
 accel = ["ciso8601 (>=2.1.2,<3.0.0)", "python-rapidjson", "uvloop (>=0.14.0,<0.15.0)"]

 [[package]]
 name = "typed-ast"
-version = "1.4.2"
+version = "1.4.3"
 description = "a fork of Python 2 and 3 ast modules with type comment support"
 category = "dev"
 optional = false
@@ -537,7 +576,7 @@ python-versions = "*"

 [[package]]
 name = "typing-extensions"
-version = "3.7.4.3"
+version = "3.10.0.0"
 description = "Backported and Experimental Type Hints for Python 3.5+"
 category = "main"
 optional = false
@@ -545,23 +584,25 @@ python-versions = "*"

 [[package]]
 name = "zipp"
-version = "3.4.0"
+version = "3.4.1"
 description = "Backport of pathlib-compatible object wrapper for zip files"
-category = "dev"
+category = "main"
 optional = false
 python-versions = ">=3.6"

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 [extras]
-dbdrivers = ["aiomysql", "asyncpg"]
+aiomysql = ["aiomysql"]
+asyncmy = []
+asyncpg = ["asyncpg"]

 [metadata]
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 python-versions = "^3.7"
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+content-hash = "045cd78a4e69c3ef34fc8a21e374616f67af998d878e207cd21c9557c096892b"

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 zipp = [
-    {file = "zipp-3.4.0-py3-none-any.whl", hash = "sha256:102c24ef8f171fd729d46599845e95c7ab894a4cf45f5de11a44cc7444fb1108"},
-    {file = "zipp-3.4.0.tar.gz", hash = "sha256:ed5eee1974372595f9e416cc7bbeeb12335201d8081ca8a0743c954d4446e5cb"},
+    {file = "zipp-3.4.1-py3-none-any.whl", hash = "sha256:51cb66cc54621609dd593d1787f286ee42a5c0adbb4b29abea5a63edc3e03098"},
+    {file = "zipp-3.4.1.tar.gz", hash = "sha256:3607921face881ba3e026887d8150cca609d517579abe052ac81fc5aeffdbd76"},
 ]
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,13 +1,13 @@
 [tool.poetry]
 name = "aerich"
-version = "0.5.0"
+version = "0.5.4"
 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"
+homepage = "https://github.com/tortoise/aerich"
+repository = "https://github.com/tortoise/aerich.git"
+documentation = "https://github.com/tortoise/aerich"
 keywords = ["migrate", "Tortoise-ORM", "mysql"]
 packages = [
    { include = "aerich" }
@@ -16,7 +16,7 @@ include = ["CHANGELOG.md", "LICENSE", "README.md"]

 [tool.poetry.dependencies]
 python = "^3.7"
-tortoise-orm = "^0.16.21"
+tortoise-orm = "*"
 click = "*"
 pydantic = "*"
 aiomysql = { version = "*", optional = true }
@@ -27,15 +27,18 @@ dictdiffer = "*"
 [tool.poetry.dev-dependencies]
 flake8 = "*"
 isort = "*"
-black = "^20.8b1"
+black = "19.10b0"
 pytest = "*"
 pytest-xdist = "*"
 pytest-asyncio = "*"
 bandit = "*"
 pytest-mock = "*"
+cryptography = "*"

 [tool.poetry.extras]
-dbdrivers = ["aiomysql", "asyncpg"]
+asyncmy = ["asyncmy"]
+asyncpg = ["asyncpg"]
+aiomysql = ["aiomysql"]

 [build-system]
 requires = ["poetry>=0.12"]
--- a/tests/models.py
+++ b/tests/models.py
@@ -1,4 +1,5 @@
 import datetime
+import uuid
 from enum import IntEnum

 from tortoise import Model, fields
@@ -38,9 +39,13 @@ class Email(Model):
    users = fields.ManyToManyField("models.User")


+def default_name():
+    return uuid.uuid4()
+
+
 class Category(Model):
-    slug = fields.CharField(max_length=200)
-    name = fields.CharField(max_length=200)
+    slug = fields.CharField(max_length=100)
+    name = fields.CharField(max_length=200, null=True, default=default_name)
    user = fields.ForeignKeyField("models.User", description="User")
    created_at = fields.DatetimeField(auto_now_add=True)

@@ -66,3 +71,7 @@ class Config(Model):
    value = fields.JSONField()
    status: Status = fields.IntEnumField(Status)
    user = fields.ForeignKeyField("models.User", description="User")
+
+
+class NewModel(Model):
+    name = fields.CharField(max_length=50)
--- a/tests/old_models.py
+++ b/tests/old_models.py
@@ -61,3 +61,6 @@ class Config(Model):
    key = fields.CharField(max_length=20)
    value = fields.JSONField()
    status: Status = fields.IntEnumField(Status, default=Status.on)
+
+    class Meta:
+        table = "configs"
--- a/tests/test_ddl.py
+++ b/tests/test_ddl.py
@@ -1,9 +1,6 @@
-import pytest
-
 from aerich.ddl.mysql import MysqlDDL
 from aerich.ddl.postgres import PostgresDDL
 from aerich.ddl.sqlite import SqliteDDL
-from aerich.exceptions import NotSupportError
 from aerich.migrate import Migrate
 from tests.models import Category, Product, User

@@ -15,8 +12,8 @@ def test_create_table():
            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,
+    `slug` VARCHAR(100) NOT NULL,
+    `name` VARCHAR(200),
    `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
@@ -28,8 +25,8 @@ def test_create_table():
            ret
            == """CREATE TABLE IF NOT EXISTS "category" (
    "id" INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
-    "slug" VARCHAR(200) NOT NULL,
-    "name" VARCHAR(200) NOT NULL,
+    "slug" VARCHAR(100) NOT NULL,
+    "name" VARCHAR(200),
    "created_at" TIMESTAMP NOT NULL  DEFAULT CURRENT_TIMESTAMP,
    "user_id" INT NOT NULL REFERENCES "user" ("id") ON DELETE CASCADE /* User */
 );"""
@@ -40,8 +37,8 @@ def test_create_table():
            ret
            == """CREATE TABLE IF NOT EXISTS "category" (
    "id" SERIAL NOT NULL PRIMARY KEY,
-    "slug" VARCHAR(200) NOT NULL,
-    "name" VARCHAR(200) NOT NULL,
+    "slug" VARCHAR(100) NOT NULL,
+    "name" VARCHAR(200),
    "created_at" TIMESTAMPTZ NOT NULL  DEFAULT CURRENT_TIMESTAMP,
    "user_id" INT NOT NULL REFERENCES "user" ("id") ON DELETE CASCADE
 );
@@ -60,9 +57,9 @@ def test_drop_table():
 def test_add_column():
    ret = Migrate.ddl.add_column(Category, Category._meta.fields_map.get("name").describe(False))
    if isinstance(Migrate.ddl, MysqlDDL):
-        assert ret == "ALTER TABLE `category` ADD `name` VARCHAR(200) NOT NULL"
+        assert ret == "ALTER TABLE `category` ADD `name` VARCHAR(200)"
    else:
-        assert ret == 'ALTER TABLE "category" ADD "name" VARCHAR(200) NOT NULL'
+        assert ret == 'ALTER TABLE "category" ADD "name" VARCHAR(200)'


 def test_modify_column():
@@ -74,9 +71,12 @@ def test_modify_column():
    )
    ret1 = Migrate.ddl.modify_column(User, User._meta.fields_map.get("is_active").describe(False))
    if isinstance(Migrate.ddl, MysqlDDL):
-        assert ret0 == "ALTER TABLE `category` MODIFY COLUMN `name` VARCHAR(200) NOT NULL"
+        assert ret0 == "ALTER TABLE `category` MODIFY COLUMN `name` VARCHAR(200)"
    elif isinstance(Migrate.ddl, PostgresDDL):
-        assert ret0 == 'ALTER TABLE "category" ALTER COLUMN "name" TYPE VARCHAR(200)'
+        assert (
+            ret0
+            == 'ALTER TABLE "category" ALTER COLUMN "name" TYPE VARCHAR(200) USING "name"::VARCHAR(200)'
+        )

    if isinstance(Migrate.ddl, MysqlDDL):
        assert (
@@ -84,19 +84,19 @@ def test_modify_column():
            == "ALTER TABLE `user` MODIFY COLUMN `is_active` BOOL NOT NULL  COMMENT 'Is Active' DEFAULT 1"
        )
    elif isinstance(Migrate.ddl, PostgresDDL):
-        assert ret1 == 'ALTER TABLE "user" ALTER COLUMN "is_active" TYPE BOOL'
+        assert (
+            ret1 == 'ALTER TABLE "user" ALTER COLUMN "is_active" TYPE BOOL USING "is_active"::BOOL'
+        )


 def test_alter_column_default():
    if isinstance(Migrate.ddl, SqliteDDL):
        return
-    ret = Migrate.ddl.alter_column_default(
-        Category, Category._meta.fields_map.get("name").describe(False)
-    )
+    ret = Migrate.ddl.alter_column_default(User, User._meta.fields_map.get("intro").describe(False))
    if isinstance(Migrate.ddl, PostgresDDL):
-        assert ret == 'ALTER TABLE "category" ALTER COLUMN "name" DROP DEFAULT'
+        assert ret == 'ALTER TABLE "user" ALTER COLUMN "intro" SET DEFAULT \'\''
    elif isinstance(Migrate.ddl, MysqlDDL):
-        assert ret == "ALTER TABLE `category` ALTER COLUMN `name` DROP DEFAULT"
+        assert ret == "ALTER TABLE `user` ALTER COLUMN `intro` SET DEFAULT ''"

    ret = Migrate.ddl.alter_column_default(
        Category, Category._meta.fields_map.get("created_at").describe(False)
@@ -127,7 +127,7 @@ def test_alter_column_null():
        Category, Category._meta.fields_map.get("name").describe(False)
    )
    if isinstance(Migrate.ddl, PostgresDDL):
-        assert ret == 'ALTER TABLE "category" ALTER COLUMN "name" SET NOT NULL'
+        assert ret == 'ALTER TABLE "category" ALTER COLUMN "name" DROP NOT NULL'


 def test_set_comment():
@@ -141,11 +141,7 @@ def test_set_comment():


 def test_drop_column():
-    if isinstance(Migrate.ddl, SqliteDDL):
-        with pytest.raises(NotSupportError):
-            ret = Migrate.ddl.drop_column(Category, "name")
-    else:
-        ret = Migrate.ddl.drop_column(Category, "name")
+    ret = Migrate.ddl.drop_column(Category, "name")
    if isinstance(Migrate.ddl, MysqlDDL):
        assert ret == "ALTER TABLE `category` DROP COLUMN `name`"
    elif isinstance(Migrate.ddl, PostgresDDL):
--- a/tests/test_migrate.py
+++ b/tests/test_migrate.py
@@ -146,7 +146,7 @@ old_models_describe = {
    "models.Config": {
        "name": "models.Config",
        "app": "models",
-        "table": "config",
+        "table": "configs",
        "abstract": False,
        "description": None,
        "docstring": None,
@@ -768,7 +768,7 @@ def test_migrate(mocker: MockerFixture):
    - alter default: Config.status
    - rename column: Product.image -> Product.pic
    """
-    mocker.patch("click.prompt", side_effect=(False, True))
+    mocker.patch("click.prompt", side_effect=(True,))

    models_describe = get_models_describe("models")
    Migrate.app = "models"
@@ -783,11 +783,14 @@ def test_migrate(mocker: MockerFixture):
    if isinstance(Migrate.ddl, MysqlDDL):
        assert sorted(Migrate.upgrade_operators) == sorted(
            [
+                "ALTER TABLE `category` MODIFY COLUMN `name` VARCHAR(200)",
+                "ALTER TABLE `category` MODIFY COLUMN `slug` VARCHAR(100) NOT NULL",
                "ALTER TABLE `config` ADD `user_id` INT NOT NULL  COMMENT 'User'",
                "ALTER TABLE `config` ADD CONSTRAINT `fk_config_user_17daa970` FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON DELETE CASCADE",
                "ALTER TABLE `config` ALTER COLUMN `status` DROP DEFAULT",
                "ALTER TABLE `email` ADD `address` VARCHAR(200) NOT NULL",
                "ALTER TABLE `email` DROP COLUMN `user_id`",
+                "ALTER TABLE `configs` RENAME TO `config`",
                "ALTER TABLE `product` RENAME COLUMN `image` TO `pic`",
                "ALTER TABLE `email` RENAME COLUMN `id` TO `email_id`",
                "ALTER TABLE `email` DROP FOREIGN KEY `fk_email_user_5b58673d`",
@@ -795,7 +798,8 @@ def test_migrate(mocker: MockerFixture):
                "ALTER TABLE `product` ADD UNIQUE INDEX `uid_product_name_f14935` (`name`, `type`)",
                "ALTER TABLE `product` ALTER COLUMN `view_num` SET DEFAULT 0",
                "ALTER TABLE `user` DROP COLUMN `avatar`",
-                "ALTER TABLE `user` CHANGE password password VARCHAR(100)",
+                "ALTER TABLE `user` MODIFY COLUMN `password` VARCHAR(100) NOT NULL",
+                "CREATE TABLE IF NOT EXISTS `newmodel` (\n    `id` INT NOT NULL PRIMARY KEY AUTO_INCREMENT,\n    `name` VARCHAR(50) NOT NULL\n) CHARACTER SET utf8mb4;",
                "ALTER TABLE `user` ADD UNIQUE INDEX `uid_user_usernam_9987ab` (`username`)",
                "CREATE TABLE `email_user` (`email_id` INT NOT NULL REFERENCES `email` (`email_id`) ON DELETE CASCADE,`user_id` INT NOT NULL REFERENCES `user` (`id`) ON DELETE CASCADE) CHARACTER SET utf8mb4",
            ]
@@ -803,11 +807,14 @@ def test_migrate(mocker: MockerFixture):

        assert sorted(Migrate.downgrade_operators) == sorted(
            [
+                "ALTER TABLE `category` MODIFY COLUMN `name` VARCHAR(200) NOT NULL",
+                "ALTER TABLE `category` MODIFY COLUMN `slug` VARCHAR(200) NOT NULL",
                "ALTER TABLE `config` DROP COLUMN `user_id`",
                "ALTER TABLE `config` DROP FOREIGN KEY `fk_config_user_17daa970`",
                "ALTER TABLE `config` ALTER COLUMN `status` SET DEFAULT 1",
                "ALTER TABLE `email` ADD `user_id` INT NOT NULL",
                "ALTER TABLE `email` DROP COLUMN `address`",
+                "ALTER TABLE `config` RENAME TO `configs`",
                "ALTER TABLE `product` RENAME COLUMN `pic` TO `image`",
                "ALTER TABLE `email` RENAME COLUMN `email_id` TO `id`",
                "ALTER TABLE `email` ADD CONSTRAINT `fk_email_user_5b58673d` FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON DELETE CASCADE",
@@ -816,14 +823,17 @@ def test_migrate(mocker: MockerFixture):
                "ALTER TABLE `product` ALTER COLUMN `view_num` DROP DEFAULT",
                "ALTER TABLE `user` ADD `avatar` VARCHAR(200) NOT NULL  DEFAULT ''",
                "ALTER TABLE `user` DROP INDEX `idx_user_usernam_9987ab`",
-                "ALTER TABLE `user` CHANGE password password VARCHAR(200)",
+                "ALTER TABLE `user` MODIFY COLUMN `password` VARCHAR(200) NOT NULL",
                "DROP TABLE IF EXISTS `email_user`",
+                "DROP TABLE IF EXISTS `newmodel`",
            ]
        )

    elif isinstance(Migrate.ddl, PostgresDDL):
        assert sorted(Migrate.upgrade_operators) == sorted(
            [
+                'ALTER TABLE "category" ALTER COLUMN "name" DROP NOT NULL',
+                'ALTER TABLE "category" ALTER COLUMN "slug" TYPE VARCHAR(100) USING "slug"::VARCHAR(100)',
                'ALTER TABLE "config" ADD "user_id" INT NOT NULL',
                'ALTER TABLE "config" ADD CONSTRAINT "fk_config_user_17daa970" FOREIGN KEY ("user_id") REFERENCES "user" ("id") ON DELETE CASCADE',
                'ALTER TABLE "config" ALTER COLUMN "status" DROP DEFAULT',
@@ -831,23 +841,29 @@ def test_migrate(mocker: MockerFixture):
                'ALTER TABLE "email" DROP COLUMN "user_id"',
                'ALTER TABLE "product" RENAME COLUMN "image" TO "pic"',
                'ALTER TABLE "email" RENAME COLUMN "id" TO "email_id"',
+                'ALTER TABLE "configs" RENAME TO "config"',
                'ALTER TABLE "email" DROP CONSTRAINT "fk_email_user_5b58673d"',
                'CREATE INDEX "idx_email_email_4a1a33" ON "email" ("email")',
                'CREATE UNIQUE INDEX "uid_product_name_f14935" ON "product" ("name", "type")',
                'ALTER TABLE "product" ALTER COLUMN "view_num" SET DEFAULT 0',
                'ALTER TABLE "user" DROP COLUMN "avatar"',
-                'ALTER TABLE "user" CHANGE password password VARCHAR(100)',
+                'ALTER TABLE "user" ALTER COLUMN "password" TYPE VARCHAR(100) USING "password"::VARCHAR(100)',
+                'CREATE TABLE IF NOT EXISTS "newmodel" (\n    "id" SERIAL NOT NULL PRIMARY KEY,\n    "name" VARCHAR(50) NOT NULL\n);\nCOMMENT ON COLUMN "config"."user_id" IS \'User\';',
                'CREATE UNIQUE INDEX "uid_user_usernam_9987ab" ON "user" ("username")',
                'CREATE TABLE "email_user" ("email_id" INT NOT NULL REFERENCES "email" ("email_id") ON DELETE CASCADE,"user_id" INT NOT NULL REFERENCES "user" ("id") ON DELETE CASCADE)',
            ]
        )
        assert sorted(Migrate.downgrade_operators) == sorted(
            [
+                'ALTER TABLE "category" ALTER COLUMN "name" SET NOT NULL',
+                'ALTER TABLE "category" ALTER COLUMN "slug" TYPE VARCHAR(200) USING "slug"::VARCHAR(200)',
+                'ALTER TABLE "user" ALTER COLUMN "password" TYPE VARCHAR(200) USING "password"::VARCHAR(200)',
                'ALTER TABLE "config" DROP COLUMN "user_id"',
                'ALTER TABLE "config" DROP CONSTRAINT "fk_config_user_17daa970"',
                'ALTER TABLE "config" ALTER COLUMN "status" SET DEFAULT 1',
                'ALTER TABLE "email" ADD "user_id" INT NOT NULL',
                'ALTER TABLE "email" DROP COLUMN "address"',
+                'ALTER TABLE "config" RENAME TO "configs"',
                'ALTER TABLE "product" RENAME COLUMN "pic" TO "image"',
                'ALTER TABLE "email" RENAME COLUMN "email_id" TO "id"',
                'ALTER TABLE "email" ADD CONSTRAINT "fk_email_user_5b58673d" FOREIGN KEY ("user_id") REFERENCES "user" ("id") ON DELETE CASCADE',
@@ -856,15 +872,12 @@ def test_migrate(mocker: MockerFixture):
                'ALTER TABLE "user" ADD "avatar" VARCHAR(200) NOT NULL  DEFAULT \'\'',
                'DROP INDEX "idx_user_usernam_9987ab"',
                'DROP INDEX "uid_product_name_f14935"',
-                'ALTER TABLE "user" CHANGE password password VARCHAR(200)',
                'DROP TABLE IF EXISTS "email_user"',
+                'DROP TABLE IF EXISTS "newmodel"',
            ]
        )
    elif isinstance(Migrate.ddl, SqliteDDL):
-        assert Migrate.upgrade_operators == [
-            'ALTER TABLE "config" ADD "user_id" INT NOT NULL  /* User */',
-            'ALTER TABLE "config" ADD CONSTRAINT "fk_config_user_17daa970" FOREIGN KEY ("user_id") REFERENCES "user" ("id") ON DELETE CASCADE',
-        ]
+        assert Migrate.upgrade_operators == []

        assert Migrate.downgrade_operators == []
Author	SHA1	Message	Date
long2ice	919d56c936	add ci branches-ignore master	2021-07-07 10:29:38 +08:00
long2ice	7bcf9b2fed	Support `drop column` for sqlite. (#40 )	2021-07-03 13:51:01 +08:00
long2ice	9f663299cf	Merge pull request #174 from sasha00123/dev Fixed typo in README.md concerning dowgrade usage	2021-06-25 13:52:34 +08:00
Alexander Batyrgariev	28dbdf2663	Fixed typo in README.md concerning dowgrade usage	2021-06-25 08:00:00 +03:00
long2ice	e71a4b60a5	Merge pull request #166 from spacemanspiff2007/dev Added config option to specify source folder	2021-06-13 14:26:26 +08:00
-	62840136be	used old black version	2021-06-11 15:36:54 +02:00
-	185514f711	reformatted with black	2021-06-11 15:18:06 +02:00
-	8e783e031e	updated readme	2021-06-10 16:56:30 +02:00
-	10b7272ca8	Added an configuration option to specify the path of the source folder. This will make aerich work with various folder structures (e.g. ./src/MyPythonModule) Additionally this will try to import in init and show the user the error message on failure.	2021-06-10 16:52:03 +02:00
long2ice	0c763c6024	Fix repeat	2021-06-09 13:56:25 +08:00
long2ice	c6371a5c16	Fix repeat	2021-06-09 11:43:32 +08:00
long2ice	1dbf9185b6	Not catch exception when import config. (#164 )	2021-06-04 17:47:39 +08:00
long2ice	9bf2de0b9a	Fix incorrect index creation order. (#151 )	2021-06-01 17:09:45 +08:00
long2ice	bf1cf21324	Merge pull request #158 from manzato/pyproject-update Update URLs	2021-05-22 22:43:52 +08:00
Guillermo Manzato	8b08329493	Update URLs	2021-05-22 11:39:49 -03:00
long2ice	5bc7d23d95	Merge pull request #157 from tortoise/dependabot/pip/pydantic-1.8.2 Bump pydantic from 1.8.1 to 1.8.2	2021-05-14 09:30:47 +08:00
dependabot[bot]	a253aa96cb	Bump pydantic from 1.8.1 to 1.8.2 Bumps [pydantic](https://github.com/samuelcolvin/pydantic) from 1.8.1 to 1.8.2. - [Release notes](https://github.com/samuelcolvin/pydantic/releases) - [Changelog](https://github.com/samuelcolvin/pydantic/blob/master/HISTORY.md) - [Commits](https://github.com/samuelcolvin/pydantic/compare/v1.8.1...v1.8.2) Signed-off-by: dependabot[bot] <support@github.com>	2021-05-13 20:51:51 +00:00
long2ice	15a6e874dd	update deps	2021-05-03 14:23:27 +08:00
long2ice	19a5dcbf3f	update deps	2021-04-26 21:01:40 +08:00
long2ice	922e3eef16	Fix CI	2021-04-05 17:11:28 +08:00
long2ice	44fd2fe6ae	Fix default function when migrate. (#147 )	2021-04-05 14:10:42 +08:00
long2ice	b147859960	Fix default function when migrate	2021-04-04 05:46:34 +00:00
long2ice	793cf2532c	Create FUNDING.yml	2021-04-03 21:34:24 +08:00
long2ice	fa85e05d1d	Fix postgre alter null. (#142 )	2021-03-28 16:22:49 +08:00
long2ice	3f52ac348b	Support `rename table`. (#139 )	2021-03-25 21:21:49 +08:00
long2ice	f8aa7a8f34	Fix inspectdb for `FloatField`. (#138 )	2021-03-22 14:16:59 +08:00
long2ice	44d520cc82	Fix postgres field type change error. (#135 )	2021-03-21 21:18:08 +08:00
long2ice	364735f804	Fix rename field on the field add. (#134 )	2021-03-21 20:43:05 +08:00
long2ice	505d361597	Fix drop model in the downgrade. (#132 )	2021-03-18 23:40:13 +08:00
long2ice	a19edd3a35	update ci name	2021-03-13 16:45:35 +08:00
long2ice	84d1f78019	update workflow name and add cryptography	2021-03-13 16:43:22 +08:00
long2ice	8fb07a6c9e	update deps	2021-03-13 16:40:27 +08:00
long2ice	54da8b22af	update aiomysql to asyncmy	2021-03-13 16:37:45 +08:00
long2ice	4c0308ff22	update test.yml	2021-03-03 22:03:38 +08:00
long2ice	38c4a15661	update test.yml	2021-03-03 20:42:18 +08:00
long2ice	52151270e0	Fix bug for field change. (#119 )	2021-03-03 20:36:54 +08:00
long2ice	49897dc4fd	Merge pull request #121 from AulonSal/close-tortoise-connections Close Tortoise connections properly	2021-02-28 14:47:58 +08:00
AulonSal	d4ad0e270f	Update version and changelog	2021-02-28 12:13:59 +05:30
AulonSal	e74fc304a5	Don't close db connections when group function \(cli\) is run	2021-02-27 00:43:55 +05:30
AulonSal	14d20455e6	Replace coro logic with tortoise.run_async	2021-02-23 13:06:40 +05:30
long2ice	bd9ecfd6e1	Merge pull request #122 from personalcomputer/personalcomputer/improve_readme_english Improve English grammar / clarity in README.md	2021-02-22 12:31:15 +08:00
John Miller	de8500b9a1	Improve English grammar / clarity in README.md	2021-02-21 19:46:04 -08:00
AulonSal	90b47c5af7	Close connections even if command raises exception	2021-02-22 07:40:18 +05:30
AulonSal	02fe5a9d31	Close Tortoise connections properly	2021-02-20 13:11:29 +05:30