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modify random query, update schema

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This commit is contained in:
Jay 2018-09-28 22:09:08 +08:00
parent e1d09bc77b
commit aa1cbb9f04
2 changed files with 4 additions and 2 deletions
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4
model/lottery.go
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@ -2,6 +2,7 @@ package model
import ( import (
"database/sql" "database/sql"
"math/rand"
"time" "time"
) )
@ -17,7 +18,8 @@ type Lottery struct {
// GetRandomLotteryByType - // GetRandomLotteryByType -
func GetRandomLotteryByType(t string) (p *Lottery, err error) { func GetRandomLotteryByType(t string) (p *Lottery, err error) {
p = &Lottery{} p = &Lottery{}
err = x.Get(p, `select * from "public"."lottery" where "type" = $1 order by random() limit 1`, t) offset := rand.Intn(10)
err = x.Get(p, `select * from "public"."lottery" where "type" = $1 order by random() offset $2 limit 1`, t, offset)
if err == sql.ErrNoRows { if err == sql.ErrNoRows {
return nil, nil return nil, nil
} }

2
schema

@ -1 +1 @@
Subproject commit 265d85f0d3249abb14ee8c925800d2371dd27265 Subproject commit 03ae87dcfe0b20adca876c6ab40e83cedbe2af16