}

	DB.Create(&thing)

	thing2 := Thing{
		SomeID:  "1234",
		OtherID: "1234",
		Data:    "something else",
	}

	result := DB.Clauses(clause.OnConflict{
		OnConstraint: "some_id_other_id_unique",
		UpdateAll:    true,
	}).Create(&thing2)
	if result.Error != nil {
		t.Errorf("creating second thing: %v", result.Error)
	}

	var things []Thing
	if err := DB.Find(&things).Error; err != nil {

	)
}

func TestMultipleMany2Many(t *testing.T) {
	type Thing struct {
		ID int
	}

	type Person struct {
		ID       int
		Likes    []Thing `gorm:"many2many:likes"`
		Dislikes []Thing `gorm:"many2many:dislikes"`
	}

	checkStructRelation(t, &Person{},
		Relation{
			Name: "Likes", Type: schema.Many2Many, Schema: "Person", FieldSchema: "Thing",
			JoinTable: JoinTable{Name: "likes", Table: "likes"},

## Getting Started

* GORM Guides [https://gorm.io](https://gorm.io)
* Gen Guides [https://gorm.io/gen/index.html](https://gorm.io/gen/index.html)

## Contributing

[You can help to deliver a better GORM, check out things you can do](https://gorm.io/contribute.html)

## Contributors

[Thank you](https://github.com/go-gorm/gorm/graphs/contributors) for contributing to the GORM framework!

## License

© Jinzhu, 2013~time.Now

package gorm

import (
	"fmt"
	"reflect"
	"strings"

	"gorm.io/gorm/clause"
	"gorm.io/gorm/schema"
	"gorm.io/gorm/utils"
)

// Association Mode contains some helper methods to handle relationship things easily.
type Association struct {
	DB           *DB
	Relationship *schema.Relationship
	Unscope      bool
	Error        error
}

func (db *DB) Association(column string) *Association {