group_xinghuo_jinrong/scripts/core/01-ddl.sql

-- jinrong_core 表结构 · 对齐客户资料（用户信息示例 / 适当性指南 / AML 规则）
USE jinrong_core;

-- 风险等级字典（客户 C1~C5 · 产品 R1~R5）
CREATE TABLE core_risk_grade (
    code            VARCHAR(4)      NOT NULL PRIMARY KEY COMMENT 'C1~C5 或 R1~R5',
    grade_type      ENUM('customer','product') NOT NULL,
    display_name    VARCHAR(32)     NOT NULL,
    sort_order      TINYINT UNSIGNED NOT NULL
) ENGINE=InnoDB COMMENT='风险等级字典';

CREATE TABLE core_industry (
    industry_code   VARCHAR(16)     NOT NULL PRIMARY KEY,
    industry_name   VARCHAR(64)     NOT NULL
) ENGINE=InnoDB COMMENT='行业分类';

-- C×R 适当性匹配矩阵（《个人投资者适当性管理指南》第十二条）
CREATE TABLE core_suitability_rule (
    id                  TINYINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
    customer_risk_code  CHAR(2)         NOT NULL COMMENT 'C1~C5',
    product_risk_code   CHAR(2)         NOT NULL COMMENT 'R1~R5',
    match_result        ENUM('allowed','allowed_with_disclosure','forbidden') NOT NULL,
    rule_ref            VARCHAR(32)     NOT NULL DEFAULT 'JR-AST-012',
    UNIQUE KEY uk_cx_r (customer_risk_code, product_risk_code),
    CONSTRAINT fk_suit_cust_risk FOREIGN KEY (customer_risk_code) REFERENCES core_risk_grade(code),
    CONSTRAINT fk_suit_prod_risk FOREIGN KEY (product_risk_code) REFERENCES core_risk_grade(code)
) ENGINE=InnoDB COMMENT='适当性匹配规则（L0 权威）';

-- 内部员工（含 RBAC 角色种子，供 JWT/鉴权联调对照）
CREATE TABLE core_staff (
    staff_id        VARCHAR(64)     NOT NULL PRIMARY KEY,
    display_name    VARCHAR(64)     NOT NULL,
    staff_type      ENUM('advisor','analyst','risk_officer','compliance','ops') NOT NULL,
    roles           JSON            NOT NULL COMMENT 'JWT roles 数组，如 ["advisor"]',
    tenant_id       VARCHAR(32)     NOT NULL DEFAULT 'TENANT-001',
    is_active       TINYINT(1)      NOT NULL DEFAULT 1,
    created_at      DATETIME(3)     NOT NULL DEFAULT CURRENT_TIMESTAMP(3)
) ENGINE=InnoDB COMMENT='内部员工主档（模拟 IdP 账号源）';

-- 客户主档 L0（KYC + 财务概况 · 对齐用户信息数据示例）
CREATE TABLE core_customer (
    customer_id             VARCHAR(64)     NOT NULL PRIMARY KEY,
    display_name            VARCHAR(64)     NOT NULL COMMENT '脱敏展示名',
    gender                  ENUM('M','F','U') NOT NULL DEFAULT 'U',
    birth_date              DATE            NULL,
    age                     TINYINT UNSIGNED NULL,
    id_no_mask              VARCHAR(32)     NULL COMMENT '310101199903XXXXXX',
    occupation              VARCHAR(64)     NULL,
    employer                VARCHAR(128)    NULL,
    education               ENUM('high_school','associate','bachelor','master','doctor','other') NULL,
    marital_status          ENUM('single','married','widowed','divorced','other') NULL,
    city                    VARCHAR(64)     NULL,
    address_mask            VARCHAR(256)    NULL,
    phone_mask              VARCHAR(16)     NULL,
    email_mask              VARCHAR(64)     NULL,
    annual_income           DECIMAL(18,2)   NULL COMMENT '家庭年收入（元）',
    financial_asset         DECIMAL(18,2)   NULL COMMENT '金融资产规模（不含房产）',
    monthly_investable      DECIMAL(18,2)   NULL COMMENT '月可投资金额',
    is_hnw                  TINYINT(1)      NOT NULL DEFAULT 0 COMMENT '高净值客户',
    service_tier            ENUM('normal','vip','diamond') NOT NULL DEFAULT 'normal',
    is_pep                  TINYINT(1)      NOT NULL DEFAULT 0 COMMENT '政治公众人物',
    aml_risk_level          ENUM('low','medium','high') NOT NULL DEFAULT 'low',
    invest_experience_years TINYINT UNSIGNED NULL,
    first_invest_date       DATE            NULL,
    tenant_id               VARCHAR(32)     NOT NULL DEFAULT 'TENANT-001',
    open_date               DATE            NOT NULL,
    is_active               TINYINT(1)      NOT NULL DEFAULT 1,
    created_at              DATETIME(3)     NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    KEY idx_service_tier (service_tier),
    KEY idx_hnw (is_hnw),
    KEY idx_aml (aml_risk_level)
) ENGINE=InnoDB COMMENT='客户主档 L0 · KYC';

-- 正式风险测评 L0（对齐适当性指南 16 题问卷 + FM-03 风评过期）
CREATE TABLE core_customer_risk (
    id                      BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
    customer_id             VARCHAR(64)     NOT NULL,
    risk_code               CHAR(2)         NOT NULL COMMENT 'C1~C5',
    questionnaire_score     SMALLINT UNSIGNED NULL COMMENT '问卷总分 20-100',
    max_loss_tolerance_pct  DECIMAL(5,2)    NULL COMMENT '最大可承受亏损比例',
    investment_goal         VARCHAR(128)    NULL,
    investment_horizon      ENUM('short','medium','long','flexible') NULL,
    investor_category       ENUM('ordinary','professional','professional_pending') NOT NULL DEFAULT 'ordinary',
    professional_approved_at DATE           NULL,
    is_authoritative        TINYINT(1)      NOT NULL DEFAULT 1,
    evaluated_at            DATE            NOT NULL,
    expires_at              DATE            NOT NULL COMMENT '风评有效期（通常 evaluated_at+12 月）',
    source                  VARCHAR(32)     NOT NULL DEFAULT 'risk_questionnaire',
    UNIQUE KEY uk_customer_current (customer_id),
    KEY idx_risk (risk_code),
    KEY idx_expires (expires_at),
    KEY idx_investor_cat (investor_category),
    CONSTRAINT fk_cust_risk_customer FOREIGN KEY (customer_id) REFERENCES core_customer(customer_id),
    CONSTRAINT fk_cust_risk_code FOREIGN KEY (risk_code) REFERENCES core_risk_grade(code)
) ENGINE=InnoDB COMMENT='客户正式风险测评 L0';

CREATE TABLE core_customer_advisor (
    id              BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
    customer_id     VARCHAR(64)     NOT NULL,
    advisor_id      VARCHAR(64)     NOT NULL COMMENT '对应 core_staff.staff_id',
    rel_status      ENUM('active','transferred','closed') NOT NULL DEFAULT 'active',
    effective_from  DATE            NOT NULL,
    effective_to    DATE            NULL,
    UNIQUE KEY uk_cust_advisor_from (customer_id, advisor_id, effective_from),
    KEY idx_advisor (advisor_id, rel_status),
    CONSTRAINT fk_ca_customer FOREIGN KEY (customer_id) REFERENCES core_customer(customer_id),
    CONSTRAINT fk_ca_advisor FOREIGN KEY (advisor_id) REFERENCES core_staff(staff_id)
) ENGINE=InnoDB COMMENT='客户-代理人归属';

-- 产品主档（对齐 C-11：风险等级 + 期限 + 起购金额）
CREATE TABLE core_product (
    product_id              VARCHAR(64)     NOT NULL PRIMARY KEY,
    product_name            VARCHAR(128)    NOT NULL,
    product_type            ENUM(
        'money','bond','mixed','stock','index',
        'wealth_mgmt','private_fund','insurance','structured'
    ) NOT NULL,
    min_risk_code           CHAR(2)         NOT NULL COMMENT 'R1~R5 最低适配',
    min_subscribe_amount    DECIMAL(18,2)   NOT NULL DEFAULT 1.00 COMMENT '起购金额（元）',
    term_days               INT UNSIGNED    NULL COMMENT '产品期限（天），NULL=灵活开放',
    requires_disclosure     TINYINT(1)      NOT NULL DEFAULT 0 COMMENT '购买前需签署风险揭示书',
    industry_code           VARCHAR(16)     NULL,
    fee_rate                DECIMAL(6,4)    NULL COMMENT '历史费率展示位（换算逻辑不读；申购费率见 subscribe_fee_rate）',
    -- ===== 基金转换（convert）扩展列 · T-1 =====
    can_subscribe           TINYINT(1)      NOT NULL DEFAULT 1 COMMENT '是否可申购（转换转入前置校验）',
    can_redeem              TINYINT(1)      NOT NULL DEFAULT 1 COMMENT '是否可赎回（转换转出前置校验）',
    min_hold_qty            DECIMAL(18,4)   NOT NULL DEFAULT 0 COMMENT '最低持有份额阈值',
    min_redeem_qty          DECIMAL(18,4)   NOT NULL DEFAULT 0 COMMENT '最低赎回份额',
    min_hold_action         VARCHAR(32)     NOT NULL DEFAULT 'force_transfer' COMMENT '低于 min_hold_qty 的动作：force_transfer=强制全转 / force_redeem=强制赎回剩余；用 VARCHAR 非 ENUM，加动作免 ALTER',
    subscribe_fee_rate      DECIMAL(6,4)    NOT NULL DEFAULT 0 COMMENT '申购费率（补差费计算源，价外法）。22 号文 §8 上限：指数/债券 ≤0.0030、其他混合 ≤0.0050、主动偏股 ≤0.0080、货基 0',
    fund_company            VARCHAR(64)     NULL COMMENT '基金管理人（同一笔转换需同管理人）',
    ta_code                 VARCHAR(32)     NULL COMMENT '注册登记机构代码（同一笔转换需同 TA）',
    -- ===== T+1 模型扩展列 · D27/D30（T-1 新增）=====
    share_class             VARCHAR(16)     NULL COMMENT '份额类别（A/C 等；D30 A/C 互转判定）',
    allow_ac_convert        TINYINT(1)      NOT NULL DEFAULT 0 COMMENT '是否允许同基金 A/C 份额互转（D30；1 即两向放行）',
    rounding_mode           VARCHAR(16)     NOT NULL DEFAULT 'half_up' COMMENT '产品级舍入模式（D27；与 core_share_rule 二选一优先，见 T-14 DoD）',
    share_digits            TINYINT UNSIGNED NOT NULL DEFAULT 2 COMMENT '产品级份额位数（D27；默认 2，个别指数/货基可 4）',
    is_open                 TINYINT(1)      NOT NULL DEFAULT 1,
    created_at              DATETIME(3)     NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    KEY idx_min_risk (min_risk_code),
    KEY idx_product_type (product_type),
    CONSTRAINT fk_product_risk FOREIGN KEY (min_risk_code) REFERENCES core_risk_grade(code),
    CONSTRAINT fk_product_industry FOREIGN KEY (industry_code) REFERENCES core_industry(industry_code)
) ENGINE=InnoDB COMMENT='产品主档';

CREATE TABLE core_holding (
    id              BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
    customer_id     VARCHAR(64)     NOT NULL,
    product_id      VARCHAR(64)     NOT NULL,
    qty             DECIMAL(18,4)   NOT NULL,
    cost_amount     DECIMAL(18,2)   NOT NULL,
    market_value    DECIMAL(18,2)   NOT NULL,
    pnl_pct         DECIMAL(8,4)    NOT NULL COMMENT '盈亏比例',
    as_of           DATE            NOT NULL,
    UNIQUE KEY uk_cust_product (customer_id, product_id),
    KEY idx_customer (customer_id),
    CONSTRAINT fk_hold_customer FOREIGN KEY (customer_id) REFERENCES core_customer(customer_id),
    CONSTRAINT fk_hold_product FOREIGN KEY (product_id) REFERENCES core_product(product_id)
) ENGINE=InnoDB COMMENT='持仓快照';

-- 交易流水（扩展 AML 字段 · 对齐反洗钱规则 RW-001~020）
CREATE TABLE core_trade (
    trade_id                VARCHAR(64)     NOT NULL PRIMARY KEY,
    customer_id             VARCHAR(64)     NOT NULL,
    product_id              VARCHAR(64)     NOT NULL,
    trade_type              ENUM('subscribe','redeem','convert') NOT NULL,
    amount                  DECIMAL(18,2)   NOT NULL,
    qty                     DECIMAL(18,4)   NULL,
    convert_group_id        VARCHAR(64)     NULL COMMENT '基金转换组 ID：同组两条流水（转出 redeem / 转入 subscribe）共享；非 convert 场景为 NULL',
    channel                 ENUM('online','mobile','counter','other') NOT NULL DEFAULT 'online',
    counterparty_account_mask VARCHAR(32)   NULL,
    counterparty_name       VARCHAR(64)     NULL,
    is_cash                 TINYINT(1)      NOT NULL DEFAULT 0,
    payer_name              VARCHAR(64)     NULL COMMENT '代付人（RW-014）',
    is_third_party_pay      TINYINT(1)      NOT NULL DEFAULT 0,
    trade_status            ENUM('confirmed','pending','cancelled') NOT NULL DEFAULT 'confirmed',
    traded_at               DATETIME(3)     NOT NULL,
    KEY idx_customer_time (customer_id, traded_at),
    KEY idx_convert_group (convert_group_id),
    KEY idx_amount (amount, traded_at),
    KEY idx_channel_time (channel, traded_at),
    CONSTRAINT fk_trade_customer FOREIGN KEY (customer_id) REFERENCES core_customer(customer_id),
    CONSTRAINT fk_trade_product FOREIGN KEY (product_id) REFERENCES core_product(product_id)
) ENGINE=InnoDB COMMENT='交易流水';

CREATE TABLE core_cash_flow (
    id                      BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
    customer_id             VARCHAR(64)     NOT NULL,
    flow_type               ENUM('in','out') NOT NULL,
    flow_subtype            ENUM('deposit','withdraw','transfer_in','transfer_out','subscribe','redeem','other') NOT NULL DEFAULT 'other',
    amount                  DECIMAL(18,2)   NOT NULL,
    channel                 ENUM('online','mobile','counter','other') NOT NULL DEFAULT 'online',
    counterparty_account_mask VARCHAR(32)   NULL,
    counterparty_name       VARCHAR(64)     NULL,
    remark                  VARCHAR(128)    NULL,
    occurred_at             DATETIME(3)     NOT NULL,
    KEY idx_customer (customer_id, occurred_at),
    KEY idx_flow_subtype (flow_subtype, occurred_at),
    CONSTRAINT fk_cf_customer FOREIGN KEY (customer_id) REFERENCES core_customer(customer_id)
) ENGINE=InnoDB COMMENT='资金进出';

CREATE TABLE core_product_nav (
    id              BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
    product_id      VARCHAR(64)     NOT NULL,
    nav             DECIMAL(10,4)   NOT NULL,
    daily_chg_pct   DECIMAL(8,4)    NOT NULL,
    nav_date        DATE            NOT NULL,
    UNIQUE KEY uk_product_date (product_id, nav_date),
    CONSTRAINT fk_nav_product FOREIGN KEY (product_id) REFERENCES core_product(product_id)
) ENGINE=InnoDB COMMENT='产品净值';

-- ============================================================
-- 基金转换（convert）新增表 · T-1（2026-09-10）
-- 依据：docs/PRD/PRD-基金转换交易.md §4.1 · 架构设计-基金转换交易.md §9
-- ============================================================

-- 费率规则：redeem 按持有期分档（本期启用）；subscribe 金额分档为真实 Core 接入扩展位（本期不启用）
CREATE TABLE core_fee_rule (
    id              BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
    product_id      VARCHAR(64)     NOT NULL,
    fee_type        ENUM('subscribe','redeem') NOT NULL,
    min_hold_days   INT             NULL COMMENT 'redeem：持有期下界（含）',
    max_hold_days   INT             NULL COMMENT 'redeem：持有期上界（不含）；NULL=无上限',
    min_amount      DECIMAL(18,2)   NULL COMMENT 'subscribe：金额下界（含）；本期不启用',
    max_amount      DECIMAL(18,2)   NULL COMMENT 'subscribe：金额上界（不含）；本期不启用',
    rate            DECIMAL(6,4)    NOT NULL COMMENT '费率；redeem 档位按 22 号文 §10 下限（<7d 1.5% / 7-30d 1% / 30-180d 0.5% / ≥180d 合同约定）',
    to_fund_ratio   DECIMAL(5,4)    NOT NULL DEFAULT 1.0000 COMMENT '赎回费计入基金财产比例。22 号文 §10：赎回费全额计入基金财产 → 恒 1.0（旧规 75%/50%/25% 分级已废止）。本期仅留痕、不参与计算',
    KEY idx_product_type (product_id, fee_type),
    CONSTRAINT fk_fee_rule_product FOREIGN KEY (product_id) REFERENCES core_product(product_id)
) ENGINE=InnoDB COMMENT='费率规则（赎回费分档 / 申购费扩展位）';

-- 份额批次：FIFO 计费的权威源（普通申赎无批次时由 lot_bootstrap 兜底补建，D8/D18）
CREATE TABLE core_share_lot (
    lot_id          VARCHAR(64)     NOT NULL PRIMARY KEY,
    customer_id     VARCHAR(64)     NOT NULL,
    product_id      VARCHAR(64)     NOT NULL,
    qty             DECIMAL(18,4)   NOT NULL COMMENT '原始份额',
    remain_qty      DECIMAL(18,4)   NOT NULL COMMENT '剩余份额（FIFO 扣减后；归零保留行不删，保可追溯）',
    nav             DECIMAL(10,4)   NOT NULL COMMENT '成交净值',
    confirmed_at    DATETIME(3)     NOT NULL COMMENT '份额确认时间（持有期自 T+1 起算，D14）',
    source_trade_id VARCHAR(64)     NULL COMMENT '来源流水（兜底补建时为 NULL）',
    created_at      DATETIME(3)     NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    KEY idx_cust_prod_time (customer_id, product_id, confirmed_at),
    CONSTRAINT fk_lot_customer FOREIGN KEY (customer_id) REFERENCES core_customer(customer_id),
    CONSTRAINT fk_lot_product FOREIGN KEY (product_id) REFERENCES core_product(product_id)
) ENGINE=InnoDB COMMENT='份额批次（FIFO 计费权威源）';

-- 转换批次计费明细：含 nav/nav_date 使 Core 侧自包含，供 rebuild_alerts 补偿（D6）
CREATE TABLE core_convert_lot_detail (
    id                  BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
    convert_group_id    VARCHAR(64)     NOT NULL,
    lot_id              VARCHAR(64)     NOT NULL COMMENT '被扣减的原批次（对应 core_share_lot.lot_id）',
    qty                 DECIMAL(18,4)   NOT NULL COMMENT '本批转出份额',
    hold_days           INT             NOT NULL COMMENT '本批持有天数（自然日，不含申请日）',
    amount              DECIMAL(18,2)   NOT NULL COMMENT '本批金额（已按 2 位四舍五入）',
    fee_rate            DECIMAL(6,4)    NOT NULL COMMENT '本批适用费率',
    fee_amount          DECIMAL(18,2)   NOT NULL COMMENT '本批费用（已按 2 位四舍五入）',
    nav                 DECIMAL(10,4)   NOT NULL COMMENT '本批成交净值',
    nav_date            DATE            NOT NULL COMMENT '净值日期',
    created_at          DATETIME(3)     NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    KEY idx_group (convert_group_id),
    KEY idx_lot (lot_id)
) ENGINE=InnoDB COMMENT='转换批次计费明细（Core 侧自包含，补偿数据源）';

-- ============================================================
-- T+1 受理/确认分离模型新增表（T-1 · 2026-09-11 · 开发计划 v2.0）
-- 依据：docs/PRD/PRD-基金转换交易.md §4 · 架构设计-基金转换交易.md v2.1 §9
-- ============================================================

-- 基金转换受理单（6 态权威状态机 · D21）：T 日受理只落单不扣份额，
-- 在途占用由本表 left join 推导（FR-C21，不新增冻结列）；T+1 确认段消费。
CREATE TABLE core_convert_request (
    convert_group_id     VARCHAR(64)     NOT NULL PRIMARY KEY COMMENT '转换受理单号（= 后续确认段 convert_group_id）',
    client_request_id    VARCHAR(64)     NULL COMMENT '客户端幂等键（uk_idem；NULL 可多行）',
    customer_id          VARCHAR(64)     NOT NULL,
    from_product_id      VARCHAR(64)     NOT NULL COMMENT '转出产品',
    to_product_id        VARCHAR(64)     NOT NULL COMMENT '转入产品',
    qty                  DECIMAL(18,4)   NOT NULL COMMENT '申请转出份额',
    actual_qty           DECIMAL(18,4)   NULL COMMENT '实际确认份额（部分成交 R-10；NULL=未确认）',
    status               ENUM('accepted','nav_pending','confirmed','rejected','cancelled','expired') NOT NULL COMMENT '6 态权威状态机',
    cancel_before        DATETIME(3)     NULL COMMENT '撤单截止时刻（受理日 15:00；R-9 窗口判定）',
    requested_at         DATETIME(3)     NOT NULL COMMENT '受理日（非交易日/超截点顺延到下一交易日，R-5）',
    confirmed_at         DATETIME(3)     NULL COMMENT '确认完成时刻（T+1 批处理写入）',
    coupon               DECIMAL(18,2)   NULL COMMENT '补差费（确认段回填；价外法 amount_diff）',
    remark               VARCHAR(128)    NULL COMMENT '扩展备注（partial=部分成交等）',
    created_at           DATETIME(3)     NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
    updated_at           DATETIME(3)     NOT NULL DEFAULT CURRENT_TIMESTAMP(3) ON UPDATE CURRENT_TIMESTAMP(3),
    UNIQUE KEY uk_idem (client_request_id),
    KEY idx_customer_status (customer_id, status),
    KEY idx_status_asof (status, requested_at),
    CONSTRAINT fk_creq_customer FOREIGN KEY (customer_id) REFERENCES core_customer(customer_id),
    CONSTRAINT fk_creq_from_product FOREIGN KEY (from_product_id) REFERENCES core_product(product_id),
    CONSTRAINT fk_creq_to_product FOREIGN KEY (to_product_id) REFERENCES core_product(product_id)
) ENGINE=InnoDB COMMENT='基金转换受理单（6 态权威状态机；占用推导源）';

-- A 股交易日历（Q11 拍板：T+1 工作日确认 / 15:00 顺延均依赖本表）
CREATE TABLE core_trade_calendar (
    cal_date            DATE            NOT NULL PRIMARY KEY COMMENT '日历日',
    is_open             TINYINT(1)      NOT NULL DEFAULT 1 COMMENT '1=交易日 0=休市',
    remark              VARCHAR(64)     NULL COMMENT '休市事由（周末/元旦/春节/…）'
) ENGINE=InnoDB COMMENT='A股交易日历（依据上交所休市公告）';

-- 产品级份额舍入规则（D27 / R-13）：business_type 维度覆盖 product 级默认；
-- 与 core_product.share_digits 二选一优先（T-14 DoD：规则行优先）
CREATE TABLE core_share_rule (
    id                  BIGINT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
    product_id          VARCHAR(64)     NOT NULL,
    business_type       ENUM('subscribe','redeem','convert') NOT NULL,
    share_digits        TINYINT UNSIGNED NOT NULL DEFAULT 2 COMMENT '份额位数（默认 2；个别指数/货基 4）',
    rounding_mode       VARCHAR(16)     NOT NULL DEFAULT 'half_up' COMMENT '舍入模式（显式 ROUND_HALF_UP）',
    UNIQUE KEY uk_product_biz (product_id, business_type),
    CONSTRAINT fk_share_rule_product FOREIGN KEY (product_id) REFERENCES core_product(product_id)
) ENGINE=InnoDB COMMENT='产品份额舍入规则（D27）';