shop-back-end/doc/sql/user_balance_action.sql

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-- 首先,我们需要找到所有符合条件的订单(已支付且使用余额支付)
-- 然后关联到shop_order_goods计算每个用户的总余额使用情况
-- 最后更新user_balance表的use_balance字段
-- 先创建一个临时表来存储每个用户的use_balance计算结果
CREATE TEMPORARY TABLE IF NOT EXISTS temp_user_balance_calc (
ab98_user_id BIGINT NOT NULL,
total_use_balance BIGINT NOT NULL DEFAULT 0,
PRIMARY KEY (ab98_user_id)
);
-- 清空临时表
TRUNCATE TABLE temp_user_balance_calc;
-- 计算每个用户的use_balance
-- 规则status为1的total_amount总和 - status为2的total_amount总和
-- 注意total_amount是元需要转换为分乘以100
INSERT INTO temp_user_balance_calc (ab98_user_id, total_use_balance)
SELECT
COALESCE(
-- 优先使用ab98_user_id直接关联
so.ab98_user_id,
-- 通过openid关联ab98_user表
au.ab98_user_id,
-- 通过openid关联wx_user表再关联ab98_user表
wu.ab98_user_id,
-- 通过userid关联ab98_user表
au_by_userid.ab98_user_id,
-- 通过userid关联qy_user表再关联ab98_user表
qu.ab98_user_id
) AS final_ab98_user_id,
-- 计算总使用余额(单位:分)
SUM(
CASE sog.status
WHEN 1 THEN CAST(sog.total_amount * 100 AS UNSIGNED) -- 正常购买,增加使用余额
-- WHEN 2 THEN -CAST(sog.total_amount * 100 AS UNSIGNED) -- 退货,减少使用余额
ELSE 0
END
) AS total_use_balance
FROM shop_order so
-- 关联订单商品
INNER JOIN shop_order_goods sog ON so.order_id = sog.order_id
-- 通过openid关联ab98_user表
LEFT JOIN ab98_user au ON so.openid = au.openid COLLATE utf8mb4_unicode_ci
-- 通过openid关联wx_user表再获取ab98_user_id
LEFT JOIN wx_user wu ON so.openid = wu.openid COLLATE utf8mb4_unicode_ci
-- 通过userid关联ab98_user表使用userid字段
LEFT JOIN ab98_user au_by_userid ON so.userid = au_by_userid.userid COLLATE utf8mb4_unicode_ci
-- 通过userid关联qy_user表
LEFT JOIN qy_user qu ON so.userid = qu.userid COLLATE utf8mb4_unicode_ci
WHERE so.pay_status = 2 -- 已支付
AND so.payment_method = 'balance' -- 余额支付方式
-- 限定特定的corpid请将'wpZ1ZrEgAA2QTxIRcB4cMtY7hQbTcPAw'替换为实际的corpid
AND so.corpid = 'wpZ1ZrEgAA2QTxIRcB4cMtY7hQbTcPAw' COLLATE utf8mb4_unicode_ci
-- 确保商品状态是1或2
AND sog.status IN (1, 2)
-- 确保能关联到ab98_user
AND (
so.ab98_user_id IS NOT NULL
OR au.ab98_user_id IS NOT NULL
OR wu.ab98_user_id IS NOT NULL
OR au_by_userid.ab98_user_id IS NOT NULL
OR qu.ab98_user_id IS NOT NULL
)
GROUP BY final_ab98_user_id
HAVING final_ab98_user_id IS NOT NULL;
-- 更新user_balance表的use_balance字段
UPDATE user_balance ub
INNER JOIN temp_user_balance_calc calc ON ub.ab98_user_id = calc.ab98_user_id
SET ub.use_balance = calc.total_use_balance
-- 限定特定的corpid请将'wpZ1ZrEgAA2QTxIRcB4cMtY7hQbTcPAw'替换为实际的corpid
WHERE ub.corpid = 'wpZ1ZrEgAA2QTxIRcB4cMtY7hQbTcPAw' COLLATE utf8mb4_unicode_ci;
-- 修改user_balance的balance值为balance_limit - use_balance
UPDATE user_balance ub
SET ub.balance = ub.balance_limit - ub.use_balance
WHERE ub.corpid = 'wpZ1ZrEgAA2QTxIRcB4cMtY7hQbTcPAw' COLLATE utf8mb4_unicode_ci;
-- 删除临时表
DROP TEMPORARY TABLE IF EXISTS temp_user_balance_calc;
-- 显示更新结果
SELECT
ub.user_balance_id,
ub.ab98_user_id,
ub.balance,
ub.use_balance,
ub.balance_limit,
CONCAT(FORMAT(ub.use_balance / 100, 2), '') AS use_balance_yuan,
CONCAT(FORMAT(ub.balance / 100, 2), '') AS balance_yuan,
CONCAT(FORMAT(ub.balance_limit / 100, 2), '') AS balance_limit_yuan
FROM user_balance ub
WHERE ub.corpid = 'wpZ1ZrEgAA2QTxIRcB4cMtY7hQbTcPAw' COLLATE utf8mb4_unicode_ci
ORDER BY ub.ab98_user_id;