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hyapp-server/services/lucky-gift-service/deploy/mysql/initdb/001_lucky_gift_service.sql
zhx 959ce54750 fix: 治理线上 MySQL CPU 波动的两个热点查询 
- backfill-last7 的报表用户集合改从 wallet_accounts(7千行)取，
  替代每10分钟对千万级 wallet_entries 做资产全量 DISTINCT 扫描
 （线上等价性已核验：旧集合 4907 人 ⊆ 新集合 4908 人）
- lucky_gift_outbox 补两个无 app_code 前缀的 claim 索引，
  消除 worker 每秒空轮询的全索引扫描+filesort（线上已手工应用）

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-10 16:10:57 +08:00

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SET NAMES utf8mb4 COLLATE utf8mb4_unicode_ci;
-- 使用 utf8mb4 连接字符集，保证中文注释、中文名称和 emoji 在导入时不被降级。
CREATE DATABASE IF NOT EXISTS hyapp_lucky_gift DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
USE hyapp_lucky_gift;
CREATE TABLE IF NOT EXISTS activities (
app_code VARCHAR(32) NOT NULL DEFAULT 'lalu' COMMENT '应用编码，用于多租户隔离',
activity_id VARCHAR(96) NOT NULL COMMENT '活动 ID',
status VARCHAR(32) NOT NULL COMMENT '业务状态',
updated_at_ms BIGINT NOT NULL COMMENT '更新时间，UTC epoch ms',
PRIMARY KEY (app_code, activity_id),
KEY idx_activities_status (app_code, status)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='幸运礼物兼容活动实例表';
CREATE TABLE IF NOT EXISTS activity_event_consumption (
app_code VARCHAR(32) NOT NULL DEFAULT 'lalu' COMMENT '应用编码，用于多租户隔离',
event_id VARCHAR(96) NOT NULL COMMENT '事件幂等 ID',
event_type VARCHAR(96) NOT NULL COMMENT '事件类型',
source VARCHAR(64) NOT NULL COMMENT '来源',
status VARCHAR(32) NOT NULL COMMENT '业务状态',
failure_reason VARCHAR(255) NULL COMMENT '失败原因',
consumed_at_ms BIGINT NULL COMMENT '消费时间，UTC epoch ms',
created_at_ms BIGINT NOT NULL COMMENT '创建时间，UTC epoch ms',
updated_at_ms BIGINT NOT NULL COMMENT '更新时间，UTC epoch ms',
PRIMARY KEY (app_code, event_id),
KEY idx_activity_event_consumption_status (app_code, status),
KEY idx_activity_event_consumption_updated_at (app_code, updated_at_ms)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='活动事件消费位点表';
CREATE TABLE IF NOT EXISTS lucky_gift_outbox (
app_code VARCHAR(32) NOT NULL DEFAULT 'lalu' COMMENT '应用编码，用于多租户隔离',
outbox_id VARCHAR(96) NOT NULL COMMENT '发件箱 ID',
event_type VARCHAR(96) NOT NULL COMMENT '事件类型',
payload BLOB NOT NULL COMMENT '业务负载快照',
status VARCHAR(32) NOT NULL COMMENT '业务状态',
retry_count INT NOT NULL DEFAULT 0 COMMENT '重试次数',
next_retry_at_ms BIGINT NOT NULL COMMENT '下一次重试时间，UTC epoch ms',
locked_by VARCHAR(128) NOT NULL DEFAULT '' COMMENT '当前锁定 worker',
lock_until_ms BIGINT NOT NULL DEFAULT 0 COMMENT '锁过期时间，UTC epoch ms',
last_error VARCHAR(512) NOT NULL DEFAULT '' COMMENT '最后一次失败原因',
created_at_ms BIGINT NOT NULL COMMENT '创建时间，UTC epoch ms',
updated_at_ms BIGINT NOT NULL COMMENT '更新时间，UTC epoch ms',
PRIMARY KEY (app_code, outbox_id),
KEY idx_lucky_gift_outbox_status_retry (app_code, status, next_retry_at_ms),
KEY idx_lucky_gift_outbox_lucky_retry (app_code, event_type, status, next_retry_at_ms, created_at_ms, outbox_id),
KEY idx_lucky_gift_outbox_lucky_lock (app_code, event_type, status, lock_until_ms, created_at_ms, outbox_id),
KEY idx_lucky_gift_outbox_retention (app_code, status, updated_at_ms, outbox_id),
KEY idx_lucky_gift_outbox_claim_retry (event_type, status, next_retry_at_ms, created_at_ms, outbox_id),
KEY idx_lucky_gift_outbox_claim_lock (event_type, status, lock_until_ms, created_at_ms, outbox_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='幸运礼物 owner outbox 表';
-- Worker 的 outbox 抢占 SQL 不带 app_code（跨 App 统一补偿），老索引都以 app_code 开头无法命中，
-- 每次轮询（默认 1 秒 × 空轮询最多 6 条查询）都会全索引扫描并 filesort 整表。
-- 这两个无 app_code 前缀的索引让空轮询变成零行索引定位，是线上 MySQL 基线 CPU 的主要治理点。
SET @ddl := IF(
(SELECT COUNT(*) FROM information_schema.STATISTICS WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'lucky_gift_outbox' AND INDEX_NAME = 'idx_lucky_gift_outbox_claim_retry') = 0,
'ALTER TABLE lucky_gift_outbox ADD INDEX idx_lucky_gift_outbox_claim_retry (event_type, status, next_retry_at_ms, created_at_ms, outbox_id), ALGORITHM=INPLACE, LOCK=NONE',
'SELECT 1'
);
PREPARE stmt FROM @ddl;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
SET @ddl := IF(
(SELECT COUNT(*) FROM information_schema.STATISTICS WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'lucky_gift_outbox' AND INDEX_NAME = 'idx_lucky_gift_outbox_claim_lock') = 0,
'ALTER TABLE lucky_gift_outbox ADD INDEX idx_lucky_gift_outbox_claim_lock (event_type, status, lock_until_ms, created_at_ms, outbox_id), ALGORITHM=INPLACE, LOCK=NONE',
'SELECT 1'
);
PREPARE stmt FROM @ddl;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
CREATE TABLE IF NOT EXISTS lucky_gift_rule_versions (
app_code VARCHAR(32) NOT NULL DEFAULT 'lalu' COMMENT '应用编码',
pool_id VARCHAR(96) NOT NULL COMMENT '幸运礼物奖池 ID',
rule_version BIGINT NOT NULL COMMENT '不可变规则版本',
enabled TINYINT(1) NOT NULL DEFAULT 0 COMMENT '是否启用',
target_rtp_ppm BIGINT NOT NULL COMMENT '基础返奖目标，ppm',
pool_rate_ppm BIGINT NOT NULL COMMENT '每笔扣费进入基础奖池比例，ppm',
settlement_window_wager BIGINT NOT NULL COMMENT 'RTP 结算窗口流水，单位金币',
control_band_ppm BIGINT NOT NULL COMMENT '正常波动带，ppm',
gift_price_reference BIGINT NOT NULL COMMENT '配置参考礼物价格',
novice_max_equivalent_draws BIGINT NOT NULL DEFAULT 2000 COMMENT '新手阶段截止等价抽数，按累计金币/参考价格折算',
normal_max_equivalent_draws BIGINT NOT NULL DEFAULT 20000 COMMENT '正常阶段截止等价抽数，超过后进入高阶阶段',
effective_from_ms BIGINT NOT NULL COMMENT '生效时间，UTC epoch ms',
created_by_admin_id BIGINT NOT NULL DEFAULT 0 COMMENT '发布人',
created_at_ms BIGINT NOT NULL COMMENT '创建时间，UTC epoch ms',
PRIMARY KEY (app_code, pool_id, rule_version),
KEY idx_lucky_gift_rule_versions_latest (app_code, pool_id, rule_version),
KEY idx_lucky_gift_rule_versions_enabled (app_code, enabled, created_at_ms)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='幸运礼物 v2 规则版本表';
CREATE TABLE IF NOT EXISTS lucky_gift_stage_tiers (
app_code VARCHAR(32) NOT NULL DEFAULT 'lalu' COMMENT '应用编码',
pool_id VARCHAR(96) NOT NULL COMMENT '幸运礼物奖池 ID',
rule_version BIGINT NOT NULL COMMENT '规则版本',
stage VARCHAR(32) NOT NULL COMMENT 'novice/normal/advanced',
tier_id VARCHAR(96) NOT NULL COMMENT '奖档 ID',
multiplier_ppm BIGINT NOT NULL COMMENT '倍率，1x = 1000000',
base_weight_ppm BIGINT NOT NULL COMMENT '正常模式基础概率，ppm',
high_water_only TINYINT(1) NOT NULL DEFAULT 0 COMMENT '是否高水位才开放',
enabled TINYINT(1) NOT NULL DEFAULT 1 COMMENT '是否启用',
PRIMARY KEY (app_code, pool_id, rule_version, stage, tier_id),
KEY idx_lucky_gift_stage_tiers_stage (app_code, pool_id, rule_version, stage)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='幸运礼物 v2 阶段奖档表';
CREATE TABLE IF NOT EXISTS lucky_rtp_windows (
app_code VARCHAR(32) NOT NULL DEFAULT 'lalu' COMMENT '应用编码',
scope_type VARCHAR(32) NOT NULL COMMENT 'global 或 gift',
scope_id VARCHAR(96) NOT NULL COMMENT 'global 或规则作用域',
window_index BIGINT NOT NULL COMMENT 'RTP 窗口序号',
target_rtp_ppm INT NOT NULL COMMENT '窗口目标 RTP',
control_window_draws BIGINT NOT NULL COMMENT '窗口抽数',
paid_draws BIGINT NOT NULL DEFAULT 0 COMMENT '窗口已抽次数',
wager_coins BIGINT NOT NULL DEFAULT 0 COMMENT '窗口消耗金币',
target_payout_coins BIGINT NOT NULL COMMENT '窗口目标基础返奖',
actual_base_payout_coins BIGINT NOT NULL DEFAULT 0 COMMENT '窗口实际基础返奖',
carry_ppm BIGINT NOT NULL DEFAULT 0 COMMENT '整数除法余数',
status VARCHAR(32) NOT NULL DEFAULT 'open' COMMENT 'open/closed/underpaid',
created_at_ms BIGINT NOT NULL COMMENT '创建时间，UTC epoch ms',
updated_at_ms BIGINT NOT NULL COMMENT '更新时间，UTC epoch ms',
PRIMARY KEY (app_code, scope_type, scope_id, window_index),
KEY idx_lucky_rtp_windows_open (app_code, scope_type, scope_id, status, window_index)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='幸运礼物 RTP 控制窗口';
CREATE TABLE IF NOT EXISTS lucky_pools (
app_code VARCHAR(32) NOT NULL DEFAULT 'lalu' COMMENT '应用编码',
scope_type VARCHAR(32) NOT NULL COMMENT 'pool',
scope_id VARCHAR(96) NOT NULL COMMENT '幸运礼物奖池 ID',
balance BIGINT NOT NULL DEFAULT 0 COMMENT '当前可用水位',
reserve_floor BIGINT NOT NULL DEFAULT 0 COMMENT '安全水位',
total_in BIGINT NOT NULL DEFAULT 0 COMMENT '累计入池',
total_out BIGINT NOT NULL DEFAULT 0 COMMENT '累计基础返奖支出',
created_at_ms BIGINT NOT NULL COMMENT '创建时间，UTC epoch ms',
updated_at_ms BIGINT NOT NULL COMMENT '更新时间，UTC epoch ms',
PRIMARY KEY (app_code, scope_type, scope_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='幸运礼物单一基础奖池';
CREATE TABLE IF NOT EXISTS lucky_user_states (
app_code VARCHAR(32) NOT NULL DEFAULT 'lalu' COMMENT '应用编码',
user_id BIGINT NOT NULL COMMENT '用户 ID',
gift_id VARCHAR(96) NOT NULL COMMENT '奖池 ID；当前列名沿用旧内部作用域名',
paid_draws BIGINT NOT NULL DEFAULT 0 COMMENT '该用户幸运礼物累计付费抽数',
cumulative_wager_coins BIGINT NOT NULL DEFAULT 0 COMMENT '该用户在当前奖池累计消耗金币',
equivalent_draws BIGINT NOT NULL DEFAULT 0 COMMENT '累计金币按规则参考价格折算后的等价抽数',
loss_streak BIGINT NOT NULL DEFAULT 0 COMMENT '连续未获得可见奖励次数，中奖后清零',
created_at_ms BIGINT NOT NULL COMMENT '创建时间，UTC epoch ms',
updated_at_ms BIGINT NOT NULL COMMENT '更新时间，UTC epoch ms',
PRIMARY KEY (app_code, user_id, gift_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='幸运礼物用户体验池状态';
CREATE TABLE IF NOT EXISTS lucky_draw_records (
app_code VARCHAR(32) NOT NULL DEFAULT 'lalu' COMMENT '应用编码',
draw_id VARCHAR(128) NOT NULL COMMENT '抽奖 ID',
command_id VARCHAR(128) NOT NULL COMMENT '幂等命令 ID',
user_id BIGINT NOT NULL COMMENT '用户 ID',
device_id VARCHAR(128) NOT NULL COMMENT '设备 ID',
room_id VARCHAR(96) NOT NULL COMMENT '房间 ID',
anchor_id VARCHAR(96) NOT NULL COMMENT '主播关联 ID',
visible_region_id BIGINT NOT NULL DEFAULT 0 COMMENT '房间可见区域 ID',
pool_id VARCHAR(96) NOT NULL COMMENT '幸运礼物奖池 ID',
gift_id VARCHAR(96) NOT NULL COMMENT '礼物 ID',
coin_spent BIGINT NOT NULL COMMENT '消耗金币',
rule_version BIGINT NOT NULL COMMENT '规则版本',
experience_pool VARCHAR(32) NOT NULL COMMENT '体验池',
rtp_window_index BIGINT NOT NULL COMMENT '全站 RTP 窗口',
gift_rtp_window_index BIGINT NOT NULL COMMENT '礼物 RTP 窗口',
selected_tier_id VARCHAR(96) NOT NULL COMMENT '命中奖档',
base_reward_coins BIGINT NOT NULL DEFAULT 0 COMMENT '基础 RTP 返奖',
effective_reward_coins BIGINT NOT NULL DEFAULT 0 COMMENT '用户可见总奖励',
stage_feedback TINYINT(1) NOT NULL DEFAULT 0 COMMENT '是否阶段反馈',
high_multiplier TINYINT(1) NOT NULL DEFAULT 0 COMMENT '是否高倍命中',
candidate_tiers_json JSON NOT NULL COMMENT '候选过滤快照',
pool_snapshot_json JSON NOT NULL COMMENT '奖池快照',
rtp_snapshot_json JSON NOT NULL COMMENT 'RTP 快照',
reward_status VARCHAR(32) NOT NULL COMMENT 'pending/granted/failed',
reward_transaction_id VARCHAR(128) NOT NULL DEFAULT '' COMMENT '返奖钱包交易 ID',
reward_failure_reason VARCHAR(255) NOT NULL DEFAULT '' COMMENT '返奖失败原因',
paid_at_ms BIGINT NOT NULL COMMENT '扣费时间，UTC epoch ms',
created_at_ms BIGINT NOT NULL COMMENT '创建时间，UTC epoch ms',
updated_at_ms BIGINT NOT NULL COMMENT '更新时间，UTC epoch ms',
PRIMARY KEY (app_code, draw_id),
UNIQUE KEY uk_lucky_draw_command (app_code, command_id),
KEY idx_lucky_draw_pool (app_code, pool_id, created_at_ms),
KEY idx_lucky_draw_user (app_code, user_id, created_at_ms),
KEY idx_lucky_draw_gift (app_code, gift_id, created_at_ms),
KEY idx_lucky_draw_room (app_code, room_id, created_at_ms),
KEY idx_lucky_draw_region_created (app_code, visible_region_id, created_at_ms, draw_id),
KEY idx_lucky_draw_status (app_code, reward_status, updated_at_ms),
KEY idx_lucky_draw_created (app_code, created_at_ms, draw_id),
KEY idx_lucky_draw_pool_status_summary (app_code, pool_id, reward_status, created_at_ms, draw_id),
KEY idx_lucky_draw_gift_status_summary (app_code, pool_id, gift_id, reward_status, created_at_ms, draw_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='幸运礼物抽奖事实';
CREATE TABLE IF NOT EXISTS lucky_draw_pool_stats (
app_code VARCHAR(32) NOT NULL DEFAULT 'lalu' COMMENT '应用编码',
pool_id VARCHAR(96) NOT NULL COMMENT '幸运礼物奖池 ID',
gift_id VARCHAR(96) NOT NULL DEFAULT '' COMMENT '礼物 ID，空值表示奖池汇总',
total_draws BIGINT NOT NULL DEFAULT 0 COMMENT '抽奖次数',
unique_users BIGINT NOT NULL DEFAULT 0 COMMENT '参与用户数',
unique_rooms BIGINT NOT NULL DEFAULT 0 COMMENT '参与房间数',
total_spent_coins BIGINT NOT NULL DEFAULT 0 COMMENT '消耗金币',
total_reward_coins BIGINT NOT NULL DEFAULT 0 COMMENT '返还金币',
base_reward_coins BIGINT NOT NULL DEFAULT 0 COMMENT '基础 RTP 返奖',
pending_draws BIGINT NOT NULL DEFAULT 0 COMMENT '待发放数量',
granted_draws BIGINT NOT NULL DEFAULT 0 COMMENT '已发放数量',
failed_draws BIGINT NOT NULL DEFAULT 0 COMMENT '发放失败数量',
created_at_ms BIGINT NOT NULL COMMENT '创建时间，UTC epoch ms',
updated_at_ms BIGINT NOT NULL COMMENT '更新时间，UTC epoch ms',
PRIMARY KEY (app_code, pool_id, gift_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='幸运礼物池级汇总统计';
CREATE TABLE IF NOT EXISTS lucky_draw_pool_day_stats (
app_code VARCHAR(32) NOT NULL DEFAULT 'lalu' COMMENT '应用编码',
stat_day DATE NOT NULL COMMENT 'UTC 统计日',
visible_region_id BIGINT NOT NULL DEFAULT 0 COMMENT '房间可见区域 ID',
pool_id VARCHAR(96) NOT NULL COMMENT '幸运礼物奖池 ID',
gift_id VARCHAR(96) NOT NULL DEFAULT '' COMMENT '礼物 ID，空值表示奖池汇总',
draw_count BIGINT NOT NULL DEFAULT 0 COMMENT '抽奖次数',
turnover_coin BIGINT NOT NULL DEFAULT 0 COMMENT '消耗金币',
payout_coin BIGINT NOT NULL DEFAULT 0 COMMENT '用户可见返奖金币',
base_reward_coin BIGINT NOT NULL DEFAULT 0 COMMENT '基础 RTP 返奖',
created_at_ms BIGINT NOT NULL COMMENT '创建时间，UTC epoch ms',
updated_at_ms BIGINT NOT NULL COMMENT '更新时间，UTC epoch ms',
PRIMARY KEY (app_code, stat_day, visible_region_id, pool_id, gift_id),
KEY idx_lucky_draw_pool_day_overview (app_code, stat_day, pool_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='幸运礼物 Databi 日维度汇总';
CREATE TABLE IF NOT EXISTS lucky_draw_pool_stat_users (
app_code VARCHAR(32) NOT NULL DEFAULT 'lalu' COMMENT '应用编码',
pool_id VARCHAR(96) NOT NULL COMMENT '幸运礼物奖池 ID',
gift_id VARCHAR(96) NOT NULL DEFAULT '' COMMENT '礼物 ID，空值表示奖池汇总',
user_id BIGINT NOT NULL COMMENT '用户 ID',
created_at_ms BIGINT NOT NULL COMMENT '创建时间，UTC epoch ms',
PRIMARY KEY (app_code, pool_id, gift_id, user_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='幸运礼物汇总用户去重';
CREATE TABLE IF NOT EXISTS lucky_draw_pool_stat_rooms (
app_code VARCHAR(32) NOT NULL DEFAULT 'lalu' COMMENT '应用编码',
pool_id VARCHAR(96) NOT NULL COMMENT '幸运礼物奖池 ID',
gift_id VARCHAR(96) NOT NULL DEFAULT '' COMMENT '礼物 ID，空值表示奖池汇总',
room_id VARCHAR(96) NOT NULL COMMENT '房间 ID',
created_at_ms BIGINT NOT NULL COMMENT '创建时间，UTC epoch ms',
PRIMARY KEY (app_code, pool_id, gift_id, room_id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='幸运礼物汇总房间去重';
CREATE TABLE IF NOT EXISTS lucky_draw_pool_stat_cursors (
app_code VARCHAR(32) NOT NULL DEFAULT 'lalu' COMMENT '应用编码',
cursor_name VARCHAR(64) NOT NULL COMMENT '游标名称',
last_draw_created_at_ms BIGINT NOT NULL DEFAULT 0 COMMENT '最后已聚合 draw 创建时间',
last_draw_id VARCHAR(128) NOT NULL DEFAULT '' COMMENT '同一毫秒内最后已聚合 draw ID',
created_at_ms BIGINT NOT NULL COMMENT '创建时间，UTC epoch ms',
updated_at_ms BIGINT NOT NULL COMMENT '更新时间，UTC epoch ms',
PRIMARY KEY (app_code, cursor_name)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='幸运礼物后台统计快照游标';
CREATE TABLE IF NOT EXISTS external_lucky_gift_draws (
app_code VARCHAR(32) NOT NULL COMMENT '外部 App 应用编码',
request_id VARCHAR(128) NOT NULL COMMENT '外部 App 业务幂等 ID',
draw_id VARCHAR(128) NOT NULL COMMENT 'HyApp 抽奖 ID',
external_user_id VARCHAR(128) NOT NULL COMMENT '外部 App 用户 ID',
pool_id VARCHAR(96) NOT NULL COMMENT '幸运礼物奖池 ID',
gift_count BIGINT NOT NULL COMMENT '礼物数量',
unit_amount BIGINT NOT NULL COMMENT '单个礼物金额，当前按 COIN 等价单位',
total_amount BIGINT NOT NULL COMMENT '总金额，必须等于 gift_count * unit_amount',
currency VARCHAR(16) NOT NULL DEFAULT 'COIN' COMMENT '金额币种',
metadata_json JSON NOT NULL COMMENT '外部 App 扩展元数据',
rule_version BIGINT NOT NULL DEFAULT 0 COMMENT '命中规则版本；0 表示未启用规则',
selected_tier_id VARCHAR(96) NOT NULL DEFAULT '' COMMENT '命中奖档',
multiplier_ppm BIGINT NOT NULL DEFAULT 0 COMMENT '倍率，1x = 1000000',
reward_amount BIGINT NOT NULL DEFAULT 0 COMMENT '返回给外部 App 处理的奖励金额',
reward_status VARCHAR(32) NOT NULL DEFAULT 'granted' COMMENT 'granted/failed；不代表 HyApp wallet 入账',
paid_at_ms BIGINT NOT NULL COMMENT '外部 App 扣费完成时间，UTC epoch ms',
created_at_ms BIGINT NOT NULL COMMENT '创建时间，UTC epoch ms',
updated_at_ms BIGINT NOT NULL COMMENT '更新时间，UTC epoch ms',
PRIMARY KEY (app_code, request_id),
UNIQUE KEY uk_external_lucky_draw_id (app_code, draw_id),
KEY idx_external_lucky_user (app_code, external_user_id, created_at_ms),
KEY idx_external_lucky_pool (app_code, pool_id, created_at_ms),
KEY idx_external_lucky_status (app_code, reward_status, created_at_ms)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='外部 App 幸运礼物抽奖事实表';
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