-- ---------------------------------------------------------------------
-- 风险等级口径统一迁移：保守/稳健/平衡/进取/激进 → R1-R5
-- 映射：保守=R1 / 稳健=R2 / 平衡=R3 / 进取=R4 / 激进=R5
-- 幂等：UPDATE 仅命中中文值，重复执行无副作用
-- 覆盖表：fin_customer_profile / fin_risk_assessment / portfolio_benchmark
-- ---------------------------------------------------------------------

-- 01 数据迁移（中文值 → R 级）
UPDATE fin_customer_profile SET risk_level = 'R1' WHERE risk_level = '保守';
UPDATE fin_customer_profile SET risk_level = 'R2' WHERE risk_level = '稳健';
UPDATE fin_customer_profile SET risk_level = 'R3' WHERE risk_level = '平衡';
UPDATE fin_customer_profile SET risk_level = 'R4' WHERE risk_level = '进取';
UPDATE fin_customer_profile SET risk_level = 'R5' WHERE risk_level = '激进';

UPDATE fin_risk_assessment SET risk_level = 'R1' WHERE risk_level = '保守';
UPDATE fin_risk_assessment SET risk_level = 'R2' WHERE risk_level = '稳健';
UPDATE fin_risk_assessment SET risk_level = 'R3' WHERE risk_level = '平衡';
UPDATE fin_risk_assessment SET risk_level = 'R4' WHERE risk_level = '进取';
UPDATE fin_risk_assessment SET risk_level = 'R5' WHERE risk_level = '激进';

UPDATE portfolio_benchmark SET risk_level = 'R1' WHERE risk_level = '保守';
UPDATE portfolio_benchmark SET risk_level = 'R2' WHERE risk_level = '稳健';
UPDATE portfolio_benchmark SET risk_level = 'R3' WHERE risk_level = '平衡';
UPDATE portfolio_benchmark SET risk_level = 'R4' WHERE risk_level = '进取';
UPDATE portfolio_benchmark SET risk_level = 'R5' WHERE risk_level = '激进';

-- 02 列注释与数据口径对齐（MODIFY 需带完整列定义，不改动类型/约束）
ALTER TABLE fin_customer_profile
    MODIFY COLUMN risk_level VARCHAR(16) NULL
    COMMENT '风险等级：R1-R5（R1 最保守，R5 最激进，与产品 risk_level 对齐）';

ALTER TABLE fin_risk_assessment
    MODIFY COLUMN risk_level VARCHAR(16) NOT NULL
    COMMENT '评定：R1-R5（R1 最保守，R5 最激进）';

ALTER TABLE portfolio_benchmark
    MODIFY COLUMN risk_level VARCHAR(16) NOT NULL
    COMMENT '客户风险等级：R1-R5（R1 最保守，R5 最激进）';