请问 gorm 如何实现 根据经纬度换算距离 并排序 - V2EX
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请问 gorm 如何实现 根据经纬度换算距离 并排序
jss
Jul 5, 2019
via iPhone 3700 views
This topic created in 2491 days ago, the information mentioned may be changed or developed.
type MapInfo struct {
ID int32 `json:"id" gorm:"primary_key"`
Name string `json:"name" form:"name" validate:"required"`
Longitude string `json:"longitude" form:"longitude" validate:"required"`
Latitude string `json:"latitude" form:"latitude" validate:"required"`
}
JSON
longitude
string
validate
7 replies
2019-07-08 17:04:45 +08:00
1
congeec
Jul 5, 2019
扔到 postgits 里,用 gist 索引,速度杠杠滴
2
reus
Jul 6, 2019
用 PostGIS
3
jss
OP
Jul 6, 2019
@
congeec
我用的是 mysql,请教一下 详细步骤
nbsp;
4
jss
OP
Jul 6, 2019
@
reus
我用的是 mysql,请教一下 详细步骤
5
beginor
Jul 6, 2019 via Android
@
jss
换数据库不值得,MySQL 也有空间扩展, 用空间类型+空间索引应该也是可以的。
6
zjyl1994
Jul 6, 2019
写原生 sql 吧,你这种场景没有几个 orm 可以帮忙处理吧?
7
TypeErrorNone
Jul 8, 2019
用 redis geo 类型存储
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