优化

deploy/sql/migrations/cn/baiyue_iam/V1__align_schema_baseline.sql

@@ -0,0 +1,35 @@
+-- Region: CN
+-- Schema: baiyue_iam
+-- Purpose: 将客户编号、昵称和资质原文件名定义收敛到当前空库基线。
+-- Preconditions: 连接必须指向 baiyue_iam；待收紧字段不存在 NULL，tenant_code 不超过 8 字符。
+-- Postconditions: 三个字段的类型和可空性与头程统一初始化 SQL 一致。
+
+SET NAMES utf8mb4;
+
+SET @guard = IF(
+  EXISTS (SELECT 1 FROM iam_tenant WHERE customer_nickname IS NULL LIMIT 1),
+  'SIGNAL SQLSTATE ''45000'' SET MESSAGE_TEXT = ''iam_tenant.customer_nickname contains NULL''',
+  'SELECT 1'
+);
+PREPARE stmt FROM @guard; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @guard = IF(
+  EXISTS (SELECT 1 FROM iam_tenant WHERE CHAR_LENGTH(tenant_code) > 8 LIMIT 1),
+  'SIGNAL SQLSTATE ''45000'' SET MESSAGE_TEXT = ''iam_tenant.tenant_code exceeds 8 characters''',
+  'SELECT 1'
+);
+PREPARE stmt FROM @guard; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+SET @guard = IF(
+  EXISTS (SELECT 1 FROM iam_tenant_qualification WHERE original_file_name IS NULL LIMIT 1),
+  'SIGNAL SQLSTATE ''45000'' SET MESSAGE_TEXT = ''iam_tenant_qualification.original_file_name contains NULL''',
+  'SELECT 1'
+);
+PREPARE stmt FROM @guard; EXECUTE stmt; DEALLOCATE PREPARE stmt;
+
+ALTER TABLE iam_tenant
+  MODIFY COLUMN tenant_code varchar(8) NOT NULL COMMENT '客户编号：企业客户固定五位数字，平台技术主体为PLATFORM',
+  MODIFY COLUMN customer_nickname varchar(32) NOT NULL COMMENT '客户昵称：创建时默认取公司名称中文拼音大写首字母，可修改';
+
+ALTER TABLE iam_tenant_qualification
+  MODIFY COLUMN original_file_name varchar(255) NOT NULL COMMENT '上传时原始文件名';