数据库迁移：新增金额分字段并迁移历史数据
- 为所有金额字段新增对应的 _cent 字段（BIGINT） - 涉及表：users, rental_listings, rental_orders, order_checkouts, wallet_accounts, wallet_ledger, withdrawal_requests - 自动迁移历史数据：DECIMAL(12,2) * 100 -> BIGINT - 使用 goose 格式，支持 Up/Down 迁移 - 目标：全链路使用整数分存储，避免浮点精度问题 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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-- +goose Up
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-- +goose StatementBegin
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-- ============================================
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-- 金额统一重构：新增分字段（BIGINT）
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-- 目标：所有金额存储使用整数分，避免浮点精度问题
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-- 展示：统一到角精度（0.1元）
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-- ============================================
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-- 用户表：免押额度
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ALTER TABLE users
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ADD COLUMN deposit_free_quota_cent BIGINT NOT NULL DEFAULT 0 COMMENT '免押总额度(分)' AFTER deposit_free_quota;
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-- 商品表：价格和押金
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ALTER TABLE rental_listings
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ADD COLUMN price_cent BIGINT NOT NULL DEFAULT 0 COMMENT '租金(分/小时)' AFTER price,
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ADD COLUMN deposit_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '押金金额(分)' AFTER deposit_amount;
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-- 订单表：租金、押金、平台费
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ALTER TABLE rental_orders
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ADD COLUMN rent_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '租金总额(分)' AFTER rent_amount,
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ADD COLUMN owner_rent_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '号主实得租金(分)' AFTER owner_rent_amount,
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ADD COLUMN deposit_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '实际收取押金(分)' AFTER deposit_amount,
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ADD COLUMN deposit_original_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '商品原始押金(分)' AFTER deposit_original_amount,
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ADD COLUMN deposit_waived_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '免押抵扣金额(分)' AFTER deposit_waived_amount,
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ADD COLUMN platform_fee_cent BIGINT NOT NULL DEFAULT 0 COMMENT '平台手续费(分)' AFTER platform_fee;
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-- 结算记录表：所有金额字段
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ALTER TABLE order_checkouts
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ADD COLUMN rent_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '租金(分)' AFTER rent_amount,
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ADD COLUMN owner_rent_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '号主实得租金(分)' AFTER owner_rent_amount,
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ADD COLUMN platform_fee_cent BIGINT NOT NULL DEFAULT 0 COMMENT '平台手续费(分)' AFTER platform_fee,
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ADD COLUMN deposit_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '押金(分)' AFTER deposit_amount,
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ADD COLUMN consumable_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '消耗品扣费(分)' AFTER consumable_amount,
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ADD COLUMN other_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '其他费用(分)' AFTER other_amount,
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ADD COLUMN deposit_deduct_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '押金扣除金额(分)' AFTER deposit_deduct_amount,
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ADD COLUMN renter_refund_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '租客退款金额(分)' AFTER renter_refund_amount,
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ADD COLUMN owner_income_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '号主收入金额(分)' AFTER owner_income_amount;
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-- 钱包账户表：余额
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ALTER TABLE wallet_accounts
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ADD COLUMN available_balance_cent BIGINT NOT NULL DEFAULT 0 COMMENT '可用余额(分)' AFTER available_balance,
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ADD COLUMN frozen_balance_cent BIGINT NOT NULL DEFAULT 0 COMMENT '冻结余额(分)' AFTER frozen_balance;
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-- 钱包流水表：金额和余额
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ALTER TABLE wallet_ledger
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ADD COLUMN amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '金额(分)' AFTER amount,
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ADD COLUMN balance_after_cent BIGINT NOT NULL DEFAULT 0 COMMENT '变动后余额(分)' AFTER balance_after;
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-- 提现表：如果存在的话
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ALTER TABLE withdrawal_requests
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ADD COLUMN amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '提现金额(分)' AFTER amount,
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ADD COLUMN fee_cent BIGINT NOT NULL DEFAULT 0 COMMENT '手续费(分)' AFTER fee,
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ADD COLUMN actual_amount_cent BIGINT NOT NULL DEFAULT 0 COMMENT '实际到账(分)' AFTER actual_amount;
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-- ============================================
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-- 数据迁移：从 DECIMAL 复制到 BIGINT（分）
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-- 注意：ROUND(value * 100) 确保精度
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-- ============================================
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-- 用户免押额度
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UPDATE users SET deposit_free_quota_cent = ROUND(deposit_free_quota * 100) WHERE deposit_free_quota > 0;
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-- 商品价格和押金
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UPDATE rental_listings SET
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price_cent = ROUND(price * 100),
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deposit_amount_cent = ROUND(deposit_amount * 100)
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WHERE price > 0 OR deposit_amount > 0;
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-- 订单金额
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UPDATE rental_orders SET
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rent_amount_cent = ROUND(rent_amount * 100),
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owner_rent_amount_cent = ROUND(owner_rent_amount * 100),
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deposit_amount_cent = ROUND(deposit_amount * 100),
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deposit_original_amount_cent = ROUND(deposit_original_amount * 100),
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deposit_waived_amount_cent = ROUND(deposit_waived_amount * 100),
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platform_fee_cent = ROUND(platform_fee * 100)
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WHERE rent_amount > 0 OR owner_rent_amount > 0 OR deposit_amount > 0
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OR deposit_original_amount > 0 OR deposit_waived_amount > 0 OR platform_fee > 0;
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-- 结算记录
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UPDATE order_checkouts SET
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rent_amount_cent = ROUND(rent_amount * 100),
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owner_rent_amount_cent = ROUND(owner_rent_amount * 100),
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platform_fee_cent = ROUND(platform_fee * 100),
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deposit_amount_cent = ROUND(deposit_amount * 100),
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consumable_amount_cent = ROUND(consumable_amount * 100),
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other_amount_cent = ROUND(other_amount * 100),
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deposit_deduct_amount_cent = ROUND(deposit_deduct_amount * 100),
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renter_refund_amount_cent = ROUND(renter_refund_amount * 100),
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owner_income_amount_cent = ROUND(owner_income_amount * 100)
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WHERE rent_amount > 0 OR owner_rent_amount > 0 OR platform_fee > 0
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OR deposit_amount > 0 OR consumable_amount > 0 OR other_amount > 0
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OR deposit_deduct_amount > 0 OR renter_refund_amount > 0 OR owner_income_amount > 0;
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-- 钱包余额
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UPDATE wallet_accounts SET
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available_balance_cent = ROUND(available_balance * 100),
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frozen_balance_cent = ROUND(frozen_balance * 100)
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WHERE available_balance > 0 OR frozen_balance > 0;
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-- 钱包流水
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UPDATE wallet_ledger SET
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amount_cent = ROUND(amount * 100),
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balance_after_cent = ROUND(balance_after * 100)
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WHERE amount != 0 OR balance_after != 0;
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-- 提现记录
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UPDATE withdrawal_requests SET
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amount_cent = ROUND(amount * 100),
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fee_cent = ROUND(fee * 100),
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actual_amount_cent = ROUND(actual_amount * 100)
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WHERE amount > 0 OR fee > 0 OR actual_amount > 0;
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-- +goose StatementEnd
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-- +goose Down
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-- +goose StatementBegin
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-- ============================================
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-- 回滚：删除所有新增的分字段
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-- ============================================
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ALTER TABLE users DROP COLUMN deposit_free_quota_cent;
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ALTER TABLE rental_listings
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DROP COLUMN price_cent,
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DROP COLUMN deposit_amount_cent;
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ALTER TABLE rental_orders
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DROP COLUMN rent_amount_cent,
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DROP COLUMN owner_rent_amount_cent,
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DROP COLUMN deposit_amount_cent,
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DROP COLUMN deposit_original_amount_cent,
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DROP COLUMN deposit_waived_amount_cent,
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DROP COLUMN platform_fee_cent;
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ALTER TABLE order_checkouts
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DROP COLUMN rent_amount_cent,
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DROP COLUMN owner_rent_amount_cent,
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DROP COLUMN platform_fee_cent,
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DROP COLUMN deposit_amount_cent,
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DROP COLUMN consumable_amount_cent,
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DROP COLUMN other_amount_cent,
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DROP COLUMN deposit_deduct_amount_cent,
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DROP COLUMN renter_refund_amount_cent,
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DROP COLUMN owner_income_amount_cent;
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ALTER TABLE wallet_accounts
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DROP COLUMN available_balance_cent,
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DROP COLUMN frozen_balance_cent;
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ALTER TABLE wallet_ledger
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DROP COLUMN amount_cent,
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DROP COLUMN balance_after_cent;
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ALTER TABLE withdrawal_requests
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DROP COLUMN amount_cent,
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DROP COLUMN fee_cent,
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DROP COLUMN actual_amount_cent;
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-- +goose StatementEnd
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