Gorm: mysql์—์„œ 10์ง„์ˆ˜ ํ•„๋“œ ๊ฐ’์„ ๊ฐ€์ ธ์˜ฌ ๋•Œ ๋ชจ๋‘ 0 ๊ฐ€์ ธ์˜ค๊ธฐ

์— ๋งŒ๋“  2018๋…„ 05์›” 10์ผ  ยท  3์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: go-gorm/gorm

mysql์—์„œ 10์ง„์ˆ˜ ํ•„๋“œ ๊ฐ’์„ ๊ฐ€์ ธ์˜ค๊ธฐ ์œ„ํ•ด gorm์„ ์‚ฌ์šฉํ•  ๋•Œ ์ด ๊ตฌ์กฐ์ฒด ํ•„๋“œ ์œ ํ˜•์ด float32, float64 ๋˜๋Š” shopspring/decimal์ด ๋ฌด์—‡์ด๋“  ๊ฐ„์—, ๋ชจ๋‘ 0์„ ์–ป์Šต๋‹ˆ๋‹ค.

์–ด๋–ค ๋ฒ„์ „์˜ Go๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๊นŒ( go version )?

์ด๋™ ๋ฒ„์ „ go1.8.3 linux/amd64

์–ด๋–ค ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค์™€ ๋ฒ„์ „์„ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๊นŒ?

mysql 5.6.23

๋ชจ๋ธ:

package main

import (
    "log"
    "github.com/shopspring/decimal"
)

func main() {
    month := "201805"
    t := "2018-05-07"
    companyUser, _ := CompanyUserRepo.GetDaily(month, t)
    for _, cu := range companyUser {
        log.Println(cu.Ks3Storage)
    }
}

type CompanyUser struct {
    Ks3Storage float64  // or float32 or decimal.Decimal
}

var CompanyUserRepo = new(CompanyUser)

func (*CompanyUser) GetDaily(month string,
    date string) ([]*CompanyUser, error) {

    var cs []*CompanyUser
    table := "company_user_201805"
    err := db.LogMode(true).Table(table).Where("stat_date=?",
        date).Find(&cs).Error
    if err != nil {
        return nil, err
    }
    return cs, nil
}

๊ทธ๋Ÿฌ๋ฉด ์‹ค์ œ ๊ฐ’์ด ๋ฌด์—‡์ด๋“  ์ถœ๋ ฅ์€ ํ•ญ์ƒ 0์ž…๋‹ˆ๋‹ค.

๋‚ด๊ฐ€ ์—ฌ๊ธฐ์„œ ๋ญ˜ ์ž˜๋ชปํ•˜๊ณ  ์žˆ๋‹ˆ? ์•„๋‹ˆ๋ฉด ์–ด๋–ป๊ฒŒ ํ•ด์•ผ ํ•˜๋‚˜์š”?

๊ฐ€์žฅ ์œ ์šฉํ•œ ๋Œ“๊ธ€

@jinzhu ์ด ์ง€์›์ด ์žˆ์œผ๋ฉด ์ข‹๊ณ  ์œ ์šฉํ• 

๋ชจ๋“  3 ๋Œ“๊ธ€

@jinzhu ์ œ๋ฐœ!

@jinzhu ์ด ์ง€์›์ด ์žˆ์œผ๋ฉด ์ข‹๊ณ  ์œ ์šฉํ• 

์ด ๋ฌธ์ œ๋Š” GORM V1 ๋ฌธ์ œ๋กœ ํ‘œ์‹œ๋˜์–ด ์ž๋™์œผ๋กœ ๋‹ซํž™๋‹ˆ๋‹ค. ์šฐ๋ฆฌ๋Š” ๊ณต๊ฐœ ํ…Œ์ŠคํŠธ GORM V2 ๋ฆด๋ฆฌ์Šค์™€ ๋ฌธ์„œ https://v2.gorm.io/docs/๋ฅผ ์ด๋ฏธ ๊ณต๊ฐœํ–ˆ์œผ๋ฉฐ ํ…Œ์ŠคํŠธ ๋ฆด๋ฆฌ์Šค๋Š” ์ผ๋ถ€ ํ”„๋กœ๋•์…˜์—์„œ ์‚ฌ์šฉ๋˜์—ˆ์Šต๋‹ˆ๋‹ค. ์ž ์‹œ ๋™์•ˆ ์„œ๋น„์Šค๋ฅผ ์ œ๊ณตํ•˜๊ณ  ๋‹ค์Œ ์ฃผ์— ์ตœ์ข… ๋ฒ„์ „์„ ์ถœ์‹œํ•  ์˜ˆ์ •์ž…๋‹ˆ๋‹ค. ์šฐ๋ฆฌ๋Š” ์—ฌ์ „ํžˆ ํ”ผ๋“œ๋ฐฑ์„ ์ ๊ทน์ ์œผ๋กœ ์ˆ˜์ง‘ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค. ์ œ์•ˆ์ด๋‚˜ ๋ฌธ์ œ๊ฐ€ ์žˆ๋Š” ๊ฒฝ์šฐ ์ƒˆ ๋ฌธ์ œ๋ฅผ ์—ด์–ด์ฃผ์„ธ์š”. ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค.

๋˜ํ•œ ๊ณต๊ฐœ ํ…Œ์ŠคํŠธ ๋ฒ„์ „ ๋ฐ ํ•ด๋‹น ๋ณ€๊ฒฝ ๋กœ๊ทธ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•์€ https://github.com/go-gorm/gorm/wiki/GORM-V2-Release-Note-Draft ๋ฅผ ํ™•์ธ

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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