修复：校正业务模型审计默认值

shierfeng-fastapi-backend/module_business/entity/do/master_do.py

@@ -30,10 +30,10 @@ class BizStrain(Base):
     strain_code = Column(String(64), nullable=False, unique=True, comment='菌种编码')
     strain_name = Column(String(100), nullable=False, comment='菌种名称')
     status = Column(CHAR(1), nullable=False, server_default='0', comment='状态（0正常 1停用）')
-    create_by = Column(String(64), nullable=True, server_default="''", comment='创建者')
+    create_by = Column(String(64), nullable=True, server_default='', comment='创建者')
-    create_time = Column(DateTime, nullable=True, default=datetime.now(), comment='创建时间')
+    create_time = Column(DateTime, nullable=True, default=datetime.now, comment='创建时间')
-    update_by = Column(String(64), nullable=True, server_default="''", comment='更新者')
+    update_by = Column(String(64), nullable=True, server_default='', comment='更新者')
-    update_time = Column(DateTime, nullable=True, default=datetime.now(), comment='更新时间')
+    update_time = Column(DateTime, nullable=True, default=datetime.now, comment='更新时间')
     remark = Column(
         String(500),
         nullable=True,
@@ -56,10 +56,10 @@ class BizWarehouse(Base):
     warehouse_name = Column(String(100), nullable=False, comment='仓库名称')
     address = Column(String(500), nullable=True, comment='仓库地址')
     status = Column(CHAR(1), nullable=False, server_default='0', comment='状态（0正常 1停用）')
-    create_by = Column(String(64), nullable=True, server_default="''", comment='创建者')
+    create_by = Column(String(64), nullable=True, server_default='', comment='创建者')
-    create_time = Column(DateTime, nullable=True, default=datetime.now(), comment='创建时间')
+    create_time = Column(DateTime, nullable=True, default=datetime.now, comment='创建时间')
-    update_by = Column(String(64), nullable=True, server_default="''", comment='更新者')
+    update_by = Column(String(64), nullable=True, server_default='', comment='更新者')
-    update_time = Column(DateTime, nullable=True, default=datetime.now(), comment='更新时间')
+    update_time = Column(DateTime, nullable=True, default=datetime.now, comment='更新时间')
     remark = Column(
         String(500),
         nullable=True,
@@ -81,10 +81,10 @@ class BizCustomer(Base):
     customer_code = Column(String(64), nullable=False, unique=True, comment='客户编码')
     customer_name = Column(String(100), nullable=False, comment='客户名称')
     status = Column(CHAR(1), nullable=False, server_default='0', comment='状态（0正常 1停用）')
-    create_by = Column(String(64), nullable=True, server_default="''", comment='创建者')
+    create_by = Column(String(64), nullable=True, server_default='', comment='创建者')
-    create_time = Column(DateTime, nullable=True, default=datetime.now(), comment='创建时间')
+    create_time = Column(DateTime, nullable=True, default=datetime.now, comment='创建时间')
-    update_by = Column(String(64), nullable=True, server_default="''", comment='更新者')
+    update_by = Column(String(64), nullable=True, server_default='', comment='更新者')
-    update_time = Column(DateTime, nullable=True, default=datetime.now(), comment='更新时间')
+    update_time = Column(DateTime, nullable=True, default=datetime.now, comment='更新时间')
     remark = Column(
         String(500),
         nullable=True,
@@ -114,10 +114,10 @@ class BizCustomerSite(Base):
     site_name = Column(String(100), nullable=False, comment='现场名称')
     address = Column(String(500), nullable=True, comment='现场地址')
     status = Column(CHAR(1), nullable=False, server_default='0', comment='状态（0正常 1停用）')
-    create_by = Column(String(64), nullable=True, server_default="''", comment='创建者')
+    create_by = Column(String(64), nullable=True, server_default='', comment='创建者')
-    create_time = Column(DateTime, nullable=True, default=datetime.now(), comment='创建时间')
+    create_time = Column(DateTime, nullable=True, default=datetime.now, comment='创建时间')
-    update_by = Column(String(64), nullable=True, server_default="''", comment='更新者')
+    update_by = Column(String(64), nullable=True, server_default='', comment='更新者')
-    update_time = Column(DateTime, nullable=True, default=datetime.now(), comment='更新时间')
+    update_time = Column(DateTime, nullable=True, default=datetime.now, comment='更新时间')
     remark = Column(
         String(500),
         nullable=True,
@@ -146,10 +146,10 @@ class BizProductionLine(Base):
     line_code = Column(String(64), nullable=False, comment='产线编码')
     line_name = Column(String(100), nullable=False, comment='产线名称')
     status = Column(CHAR(1), nullable=False, server_default='0', comment='状态（0正常 1停用）')
-    create_by = Column(String(64), nullable=True, server_default="''", comment='创建者')
+    create_by = Column(String(64), nullable=True, server_default='', comment='创建者')
-    create_time = Column(DateTime, nullable=True, default=datetime.now(), comment='创建时间')
+    create_time = Column(DateTime, nullable=True, default=datetime.now, comment='创建时间')
-    update_by = Column(String(64), nullable=True, server_default="''", comment='更新者')
+    update_by = Column(String(64), nullable=True, server_default='', comment='更新者')
-    update_time = Column(DateTime, nullable=True, default=datetime.now(), comment='更新时间')
+    update_time = Column(DateTime, nullable=True, default=datetime.now, comment='更新时间')
     remark = Column(
         String(500),
         nullable=True,
@@ -173,10 +173,10 @@ class BizPallet(Base):
     qr_token = Column(String(128), nullable=False, unique=True, comment='二维码固定标识')
     capacity_packages = Column(Integer, nullable=False, comment='容量包数')
     asset_status = Column(CHAR(1), nullable=False, server_default='0', comment='资产状态（0正常 1停用）')
-    create_by = Column(String(64), nullable=True, server_default="''", comment='创建者')
+    create_by = Column(String(64), nullable=True, server_default='', comment='创建者')
-    create_time = Column(DateTime, nullable=True, default=datetime.now(), comment='创建时间')
+    create_time = Column(DateTime, nullable=True, default=datetime.now, comment='创建时间')
-    update_by = Column(String(64), nullable=True, server_default="''", comment='更新者')
+    update_by = Column(String(64), nullable=True, server_default='', comment='更新者')
-    update_time = Column(DateTime, nullable=True, default=datetime.now(), comment='更新时间')
+    update_time = Column(DateTime, nullable=True, default=datetime.now, comment='更新时间')
     remark = Column(
         String(500),
         nullable=True,
@@ -205,8 +205,8 @@ class BizUserWarehouse(Base):
         nullable=False,
         comment='仓库ID',
     )
-    create_by = Column(String(64), nullable=True, server_default="''", comment='创建者')
+    create_by = Column(String(64), nullable=True, server_default='', comment='创建者')
-    create_time = Column(DateTime, nullable=True, default=datetime.now(), comment='创建时间')
+    create_time = Column(DateTime, nullable=True, default=datetime.now, comment='创建时间')
 
 
 class BizUserSite(Base):
@@ -229,5 +229,5 @@ class BizUserSite(Base):
         nullable=False,
         comment='现场ID',
     )
-    create_by = Column(String(64), nullable=True, server_default="''", comment='创建者')
+    create_by = Column(String(64), nullable=True, server_default='', comment='创建者')
-    create_time = Column(DateTime, nullable=True, default=datetime.now(), comment='创建时间')
+    create_time = Column(DateTime, nullable=True, default=datetime.now, comment='创建时间')

shierfeng-fastapi-backend/module_business/entity/do/operation_do.py

@@ -29,10 +29,10 @@ class BizInboundOrder(Base):
     confirm_request_hash = Column(String(64), nullable=True, comment='确认请求摘要')
     confirmed_by = Column(BigInteger, ForeignKey('sys_user.user_id'), nullable=True, comment='确认人ID')
     confirmed_at = Column(DateTime, nullable=True, comment='确认时间')
-    create_by = Column(String(64), nullable=True, server_default="''", comment='创建者')
+    create_by = Column(String(64), nullable=True, server_default='', comment='创建者')
-    create_time = Column(DateTime, nullable=True, default=datetime.now(), comment='创建时间')
+    create_time = Column(DateTime, nullable=True, default=datetime.now, comment='创建时间')
-    update_by = Column(String(64), nullable=True, server_default="''", comment='更新者')
+    update_by = Column(String(64), nullable=True, server_default='', comment='更新者')
-    update_time = Column(DateTime, nullable=True, default=datetime.now(), comment='更新时间')
+    update_time = Column(DateTime, nullable=True, default=datetime.now, comment='更新时间')
     remark = Column(
         String(500),
         nullable=True,
@@ -64,8 +64,8 @@ class BizInboundItem(Base):
         comment='入库单ID',
     )
     pallet_id = Column(BigInteger, ForeignKey('biz_pallet.pallet_id'), nullable=False, comment='托盘ID')
-    create_by = Column(String(64), nullable=True, server_default="''", comment='创建者')
+    create_by = Column(String(64), nullable=True, server_default='', comment='创建者')
-    create_time = Column(DateTime, nullable=True, default=datetime.now(), comment='创建时间')
+    create_time = Column(DateTime, nullable=True, default=datetime.now, comment='创建时间')
 
 
 class BizFillingRecord(Base):
@@ -103,10 +103,10 @@ class BizFillingRecord(Base):
     request_hash = Column(String(64), nullable=False, comment='请求摘要')
     operator_id = Column(BigInteger, ForeignKey('sys_user.user_id'), nullable=False, comment='操作人ID')
     operated_at = Column(DateTime, nullable=False, comment='操作时间')
-    create_by = Column(String(64), nullable=True, server_default="''", comment='创建者')
+    create_by = Column(String(64), nullable=True, server_default='', comment='创建者')
-    create_time = Column(DateTime, nullable=True, default=datetime.now(), comment='创建时间')
+    create_time = Column(DateTime, nullable=True, default=datetime.now, comment='创建时间')
-    update_by = Column(String(64), nullable=True, server_default="''", comment='更新者')
+    update_by = Column(String(64), nullable=True, server_default='', comment='更新者')
-    update_time = Column(DateTime, nullable=True, default=datetime.now(), comment='更新时间')
+    update_time = Column(DateTime, nullable=True, default=datetime.now, comment='更新时间')
     remark = Column(
         String(500),
         nullable=True,
@@ -143,10 +143,10 @@ class BizShipmentOrder(Base):
     confirm_request_hash = Column(String(64), nullable=True, comment='确认请求摘要')
     confirmed_by = Column(BigInteger, ForeignKey('sys_user.user_id'), nullable=True, comment='确认人ID')
     confirmed_at = Column(DateTime, nullable=True, comment='确认时间')
-    create_by = Column(String(64), nullable=True, server_default="''", comment='创建者')
+    create_by = Column(String(64), nullable=True, server_default='', comment='创建者')
-    create_time = Column(DateTime, nullable=True, default=datetime.now(), comment='创建时间')
+    create_time = Column(DateTime, nullable=True, default=datetime.now, comment='创建时间')
-    update_by = Column(String(64), nullable=True, server_default="''", comment='更新者')
+    update_by = Column(String(64), nullable=True, server_default='', comment='更新者')
-    update_time = Column(DateTime, nullable=True, default=datetime.now(), comment='更新时间')
+    update_time = Column(DateTime, nullable=True, default=datetime.now, comment='更新时间')
     remark = Column(
         String(500),
         nullable=True,
@@ -189,8 +189,8 @@ class BizShipmentItem(Base):
         comment='确认时活动装填记录ID',
     )
     package_qty = Column(Integer, nullable=True, comment='确认时包数快照')
-    create_by = Column(String(64), nullable=True, server_default="''", comment='创建者')
+    create_by = Column(String(64), nullable=True, server_default='', comment='创建者')
-    create_time = Column(DateTime, nullable=True, default=datetime.now(), comment='创建时间')
+    create_time = Column(DateTime, nullable=True, default=datetime.now, comment='创建时间')
 
 
 class BizUsageRecord(Base):
@@ -257,10 +257,10 @@ class BizReturnOrder(Base):
     requested_at = Column(DateTime, nullable=False, comment='申请时间')
     confirmed_by = Column(BigInteger, ForeignKey('sys_user.user_id'), nullable=True, comment='确认人ID')
     confirmed_at = Column(DateTime, nullable=True, comment='确认时间')
-    create_by = Column(String(64), nullable=True, server_default="''", comment='创建者')
+    create_by = Column(String(64), nullable=True, server_default='', comment='创建者')
-    create_time = Column(DateTime, nullable=True, default=datetime.now(), comment='创建时间')
+    create_time = Column(DateTime, nullable=True, default=datetime.now, comment='创建时间')
-    update_by = Column(String(64), nullable=True, server_default="''", comment='更新者')
+    update_by = Column(String(64), nullable=True, server_default='', comment='更新者')
-    update_time = Column(DateTime, nullable=True, default=datetime.now(), comment='更新时间')
+    update_time = Column(DateTime, nullable=True, default=datetime.now, comment='更新时间')
     remark = Column(
         String(500),
         nullable=True,
@@ -303,8 +303,8 @@ class BizReturnItem(Base):
         comment='申请时活动装填记录快照',
     )
     remaining_packages_snapshot = Column(Integer, nullable=False, comment='申请时剩余包数快照')
-    create_by = Column(String(64), nullable=True, server_default="''", comment='创建者')
+    create_by = Column(String(64), nullable=True, server_default='', comment='创建者')
-    create_time = Column(DateTime, nullable=True, default=datetime.now(), comment='创建时间')
+    create_time = Column(DateTime, nullable=True, default=datetime.now, comment='创建时间')
 
 
 class BizPalletInventory(Base):
@@ -367,7 +367,7 @@ class BizPalletInventory(Base):
         comment='最后事件ID',
     )
     version = Column(Integer, nullable=False, server_default='0', comment='并发版本号')
-    updated_at = Column(DateTime, nullable=False, default=datetime.now(), comment='更新时间')
+    updated_at = Column(DateTime, nullable=False, default=datetime.now, comment='更新时间')
 
 
 class BizPalletEvent(Base):

shierfeng-fastapi-backend/tests/module_business/test_model_contract.py

@@ -1,6 +1,8 @@
 import unittest
 
 from sqlalchemy import CHAR, BigInteger, CheckConstraint, DateTime, Integer, String, Table, UniqueConstraint
+from sqlalchemy.dialects import mysql, postgresql
+from sqlalchemy.schema import CreateColumn
 
 from config.database import Base
 from module_business.entity.do import master_do, operation_do
@@ -694,6 +696,63 @@ EXPECTED_NULLABILITY = {
     },
 }
 
+EXPECTED_CALLABLE_DATETIME_DEFAULTS = {
+    ('biz_strain', 'create_time'),
+    ('biz_strain', 'update_time'),
+    ('biz_warehouse', 'create_time'),
+    ('biz_warehouse', 'update_time'),
+    ('biz_customer', 'create_time'),
+    ('biz_customer', 'update_time'),
+    ('biz_customer_site', 'create_time'),
+    ('biz_customer_site', 'update_time'),
+    ('biz_production_line', 'create_time'),
+    ('biz_production_line', 'update_time'),
+    ('biz_pallet', 'create_time'),
+    ('biz_pallet', 'update_time'),
+    ('biz_user_warehouse', 'create_time'),
+    ('biz_user_site', 'create_time'),
+    ('biz_inbound_order', 'create_time'),
+    ('biz_inbound_order', 'update_time'),
+    ('biz_inbound_item', 'create_time'),
+    ('biz_filling_record', 'create_time'),
+    ('biz_filling_record', 'update_time'),
+    ('biz_shipment_order', 'create_time'),
+    ('biz_shipment_order', 'update_time'),
+    ('biz_shipment_item', 'create_time'),
+    ('biz_return_order', 'create_time'),
+    ('biz_return_order', 'update_time'),
+    ('biz_return_item', 'create_time'),
+    ('biz_pallet_inventory', 'updated_at'),
+}
+
+EXPECTED_EMPTY_AUDIT_SERVER_DEFAULTS = {
+    ('biz_strain', 'create_by'),
+    ('biz_strain', 'update_by'),
+    ('biz_warehouse', 'create_by'),
+    ('biz_warehouse', 'update_by'),
+    ('biz_customer', 'create_by'),
+    ('biz_customer', 'update_by'),
+    ('biz_customer_site', 'create_by'),
+    ('biz_customer_site', 'update_by'),
+    ('biz_production_line', 'create_by'),
+    ('biz_production_line', 'update_by'),
+    ('biz_pallet', 'create_by'),
+    ('biz_pallet', 'update_by'),
+    ('biz_user_warehouse', 'create_by'),
+    ('biz_user_site', 'create_by'),
+    ('biz_inbound_order', 'create_by'),
+    ('biz_inbound_order', 'update_by'),
+    ('biz_inbound_item', 'create_by'),
+    ('biz_filling_record', 'create_by'),
+    ('biz_filling_record', 'update_by'),
+    ('biz_shipment_order', 'create_by'),
+    ('biz_shipment_order', 'update_by'),
+    ('biz_shipment_item', 'create_by'),
+    ('biz_return_order', 'create_by'),
+    ('biz_return_order', 'update_by'),
+    ('biz_return_item', 'create_by'),
+}
+
 EXPECTED_PRIMARY_KEYS = {
     'biz_strain': ('strain_id',),
     'biz_warehouse': ('warehouse_id',),
@@ -930,6 +989,53 @@ class BusinessModelContractTest(unittest.TestCase):
                 with self.subTest(table_name=table_name, column_name=column_name):
                     self.assertIs(expected_nullable, table.c[column_name].nullable)
 
+    def test_datetime_python_defaults_are_callable(self) -> None:
+        business_tables = [table for table in Base.metadata.tables.values() if table.name.startswith('biz_')]
+        actual_defaults = {
+            (table.name, column.name)
+            for table in business_tables
+            for column in table.columns
+            if type(column.type) is DateTime and column.default is not None
+        }
+        self.assertEqual(EXPECTED_CALLABLE_DATETIME_DEFAULTS, actual_defaults)
+
+        violations = []
+        for table_name, column_name in sorted(EXPECTED_CALLABLE_DATETIME_DEFAULTS):
+            column_default = Base.metadata.tables[table_name].c[column_name].default
+            if column_default is None or not column_default.is_callable or column_default.is_scalar:
+                violations.append(
+                    (
+                        table_name,
+                        column_name,
+                        None if column_default is None else column_default.is_callable,
+                        None if column_default is None else column_default.is_scalar,
+                    )
+                )
+        self.assertEqual([], violations)
+
+    def test_audit_user_server_defaults_compile_to_empty_strings(self) -> None:
+        business_tables = [table for table in Base.metadata.tables.values() if table.name.startswith('biz_')]
+        actual_audit_columns = {
+            (table.name, column.name)
+            for table in business_tables
+            for column in table.columns
+            if column.name in {'create_by', 'update_by'}
+        }
+        self.assertEqual(EXPECTED_EMPTY_AUDIT_SERVER_DEFAULTS, actual_audit_columns)
+
+        violations = []
+        dialects = {'mysql': mysql.dialect(), 'postgresql': postgresql.dialect()}
+        for table_name, column_name in sorted(EXPECTED_EMPTY_AUDIT_SERVER_DEFAULTS):
+            column = Base.metadata.tables[table_name].c[column_name]
+            for dialect_name, dialect in dialects.items():
+                compiled_column = str(CreateColumn(column).compile(dialect=dialect))
+                _, separator, compiled_default = compiled_column.partition(' DEFAULT ')
+                if separator:
+                    compiled_default = compiled_default.split(' COMMENT ', maxsplit=1)[0].strip()
+                if compiled_default != "''":
+                    violations.append((dialect_name, table_name, column_name, compiled_default))
+        self.assertEqual([], violations)
+
     def test_primary_keys_and_foreign_keys_match_contract(self) -> None:
         for table_name, expected_primary_key in EXPECTED_PRIMARY_KEYS.items():
             table = Base.metadata.tables[table_name]