优化

firstleg/src/main/resources/db/phase2-fba-pricing-migration.sql

@@ -41,17 +41,18 @@ CALL phase2_fba_add_column('fl_inbound_fee', 'rate_effective_from', "DATETIME(3)
 CALL phase2_fba_add_column('fl_inbound_fee', 'rate_effective_to', "DATETIME(3) NULL COMMENT '价格生效结束快照' AFTER rate_effective_from");
 CALL phase2_fba_add_column('fl_inbound_idempotency', 'result_resource_id', "BIGINT UNSIGNED NULL COMMENT '成功结果资源ID' AFTER result_json");
 CALL phase2_fba_add_column('fl_inbound_pallet_allocation', 'warehouse_resource_tenant_id',
-  "BIGINT UNSIGNED NULL COMMENT '仓储资源所属租户ID' AFTER warehouse_id");
+  "BIGINT UNSIGNED NULL COMMENT '平台公共仓储资源固定使用 0；tenant_id 仍是客户隔离键' AFTER warehouse_id");
 
--- 旧分配记录创建于共享仓储资源租户拆分前，按原业务租户回填后再收口非空约束。
+-- 仓储资源是平台公共主数据；存量分配快照统一迁移到平台作用域 0，再收口非空约束。
 UPDATE fl_inbound_pallet_allocation
-SET warehouse_resource_tenant_id = tenant_id
-WHERE warehouse_resource_tenant_id IS NULL OR warehouse_resource_tenant_id = 0;
-SET @resource_tenant_nullable = (SELECT IS_NULLABLE FROM information_schema.COLUMNS
+SET warehouse_resource_tenant_id = 0
+WHERE warehouse_resource_tenant_id IS NULL OR warehouse_resource_tenant_id <> 0;
+SET @resource_tenant_needs_modify = (SELECT COUNT(*) FROM information_schema.COLUMNS
   WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'fl_inbound_pallet_allocation'
-    AND COLUMN_NAME = 'warehouse_resource_tenant_id');
-SET @sql = IF(@resource_tenant_nullable = 'YES',
-  "ALTER TABLE fl_inbound_pallet_allocation MODIFY COLUMN warehouse_resource_tenant_id BIGINT UNSIGNED NOT NULL COMMENT '仓储资源所属租户ID'",
+    AND COLUMN_NAME = 'warehouse_resource_tenant_id'
+    AND (IS_NULLABLE = 'YES' OR COLUMN_COMMENT <> '平台公共仓储资源固定使用 0；tenant_id 仍是客户隔离键'));
+SET @sql = IF(@resource_tenant_needs_modify > 0,
+  "ALTER TABLE fl_inbound_pallet_allocation MODIFY COLUMN warehouse_resource_tenant_id BIGINT UNSIGNED NOT NULL COMMENT '平台公共仓储资源固定使用 0；tenant_id 仍是客户隔离键'",
   'SELECT 1');
 PREPARE stmt FROM @sql; EXECUTE stmt; DEALLOCATE PREPARE stmt;