24 lines
490 B
Go
24 lines
490 B
Go
package sortby
|
|
|
|
import (
|
|
"github.com/jinzhu/gorm"
|
|
_ "github.com/jinzhu/gorm/dialects/mysql"
|
|
_ "github.com/jinzhu/gorm/dialects/sqlite"
|
|
)
|
|
|
|
const (
|
|
MySQL = "mysql"
|
|
SQLite3 = "sqlite3"
|
|
)
|
|
|
|
// RandomExpr returns the name of the random function depending on the SQL dialect.
|
|
func RandomExpr(dialect gorm.Dialect) *gorm.SqlExpr {
|
|
switch dialect.GetName() {
|
|
case MySQL:
|
|
return gorm.Expr("RAND()")
|
|
case SQLite3:
|
|
return gorm.Expr("RANDOM()")
|
|
default:
|
|
return gorm.Expr("RAND()")
|
|
}
|
|
}
|