fix: decimal field change (#246)

aerich/__init__.py

@@ -8,9 +8,9 @@ from tortoise.transactions import in_transaction
 from tortoise.utils import get_schema_sql
 
 from aerich.exceptions import DowngradeError
-from aerich.inspect.mysql import InspectMySQL
-from aerich.inspect.postgres import InspectPostgres
-from aerich.inspect.sqlite import InspectSQLite
+from aerich.inspectdb.mysql import InspectMySQL
+from aerich.inspectdb.postgres import InspectPostgres
+from aerich.inspectdb.sqlite import InspectSQLite
 from aerich.migrate import Migrate
 from aerich.models import Aerich
 from aerich.utils import (

aerich/inspectdb/mysql.py

@@ -1,6 +1,6 @@
 from typing import List
 
-from aerich.inspect import Column, Inspect
+from aerich.inspectdb import Column, Inspect
 
 
 class InspectMySQL(Inspect):

aerich/inspectdb/postgres.py

@@ -2,7 +2,7 @@ from typing import List, Optional
 
 from tortoise import BaseDBAsyncClient
 
-from aerich.inspect import Column, Inspect
+from aerich.inspectdb import Column, Inspect
 
 
 class InspectPostgres(Inspect):

aerich/inspectdb/sqlite.py

@@ -1,6 +1,6 @@
 from typing import List
 
-from aerich.inspect import Column, Inspect
+from aerich.inspectdb import Column, Inspect
 
 
 class InspectSQLite(Inspect):

aerich/migrate.py

@@ -422,8 +422,14 @@ class Migrate:
                                     cls._drop_index(model, (field_name,), unique), upgrade, True
                                 )
                         elif option == "db_field_types.":
-                            # continue since repeated with others
-                            continue
+                            if new_data_field.get("field_type") == "DecimalField":
+                                # modify column
+                                cls._add_operator(
+                                    cls._modify_field(model, new_data_field),
+                                    upgrade,
+                                )
+                            else:
+                                continue
                         elif option == "default":
                             if not (
                                 is_default_function(old_new[0]) or is_default_function(old_new[1])