59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
package main
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import (
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"database/sql"
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"fmt"
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"log"
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_ "github.com/go-sql-driver/mysql"
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)
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func main() {
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dsn := "root:bindbox2025kdy@tcp(150.158.78.154:3306)/bindbox_game"
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db, err := sql.Open("mysql", dsn)
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if err != nil {
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log.Fatal(err)
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}
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defer db.Close()
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// 1. 检查直播间抽奖是否有重复 (Draw Count > Product Count)
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// 注意：shop_order_id 是字符串，join 时注意字符集，不过这里都是 utf8mb4 应该没问题
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query := `
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SELECT
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o.shop_order_id,
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o.product_count,
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COUNT(l.id) as draw_count,
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o.user_nickname
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FROM douyin_orders o
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JOIN livestream_draw_logs l ON CONVERT(o.shop_order_id USING utf8mb4) = CONVERT(l.shop_order_id USING utf8mb4)
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GROUP BY o.shop_order_id, o.product_count, o.user_nickname
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HAVING draw_count > o.product_count
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`
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rows, err := db.Query(query)
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if err != nil {
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log.Fatal(err)
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}
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defer rows.Close()
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fmt.Println("--- Duplicate Rewards Check (Livestream) ---")
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found := false
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for rows.Next() {
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var orderID, nickname string
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var pCount, dCount int
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if err := rows.Scan(&orderID, &pCount, &dCount, &nickname); err != nil {
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log.Fatal(err)
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}
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fmt.Printf("Order: %s | Nickname: %s | Bought: %d | Issued: %d\n", orderID, nickname, pCount, dCount)
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found = true
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}
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if !found {
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fmt.Println("No duplicate rewards found in livestream_draw_logs.")
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}
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// 2. 额外检查：是否有同一个 shop_order_id 在极短时间内产生多条 log (并发问题特质)
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// 这里简单检查是否有完全重复的 log (除了主键不同，其他关键字段相同)
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// 或者检查是否有订单在非直播抽奖表也发了奖 (如果两边系统混用)
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}
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