FieldsWithDefaultDBValue  []*Field // fields with default value assigned by database
	Relationships             Relationships
	CreateClauses             []clause.Interface
	QueryClauses              []clause.Interface
	UpdateClauses             []clause.Interface
	DeleteClauses             []clause.Interface
	BeforeCreate, AfterCreate bool
	BeforeUpdate, AfterUpdate bool
	BeforeDelete, AfterDelete bool
	BeforeSave, AfterSave     bool

	sql.NullString
}

type Point struct {
	X, Y int
}

func (point Point) GormDataType() string {
	return "geo"
}

func (point Point) GormValue(ctx context.Context, db *gorm.DB) clause.Expr {
	return clause.Expr{
		SQL:  "ST_PointFromText(?)",
		Vars: []interface{}{fmt.Sprintf("POINT(%d %d)", point.X, point.Y)},
	}
}

func TestGORMValuer(t *testing.T) {
	type UserWithPoint struct {
		Name  string

		statusCode: 400,
		cause:      err,
	}
}

func errParseExpectedWhenClause(err error) *s3Error {
	return &s3Error{
		code:       "ParseExpectedWhenClause",
		message:    "Did not find the expected WHEN clause in the SQL expression. CASE is not supported.",
		statusCode: 400,
		cause:      err,
	}
}

func errParseUnsupportedToken(err error) *s3Error {

package tests_test

import (
	"fmt"
	"sync"
	"testing"

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

func TestMany2ManyAssociation(t *testing.T) {
	user := *GetUser("many2many", Config{Languages: 2})

	if err := DB.Create(&user).Error; err != nil {
		t.Fatalf("errors happened when create: %v", err)
	}

	CheckUser(t, user, user)

	// Find
	var user2 User

			Table: clause.Table{Name: association.Relationship.JoinTable.Table},
			ON:    clause.Where{Exprs: queryConds},
		}}})
	} else {
		tx.Clauses(clause.Where{Exprs: queryConds})
	}

	return tx

				Context:   db.Statement.Context,
				Clauses:   map[string]clause.Clause{},
				Vars:      make([]interface{}, 0, 8),
				SkipHooks: db.Statement.SkipHooks,
			}
		} else {
			// with clone statement
			tx.Statement = db.Statement.clone()
			tx.Statement.DB = tx
		}

		return tx
	}

	return db
}

// Expr returns clause.Expr, which can be used to pass SQL expression as params

			break
		}
		queryDB = tx.Clauses(clause.Gt{Column: clause.Column{Table: clause.CurrentTable, Name: clause.PrimaryKey}, Value: primaryValue})
	}

	tx.RowsAffected = rowsAffected
	return tx
}

func (db *DB) assignInterfacesToValue(values ...interface{}) {
	for _, value := range values {
		switch v := value.(type) {
		case []clause.Expression:
			for _, expr := range v {

			} else if ref.PrimaryValue != "" {
				conds = append(conds, clause.Eq{
					Column: clause.Column{Table: rel.JoinTable.Table, Name: ref.ForeignKey.DBName},
					Value:  ref.PrimaryValue,
				})
			} else {
				conds = append(conds, clause.Eq{
					Column: clause.Column{Table: rel.JoinTable.Table, Name: ref.ForeignKey.DBName},
					Value:  clause.Column{Table: rel.FieldSchema.Table, Name: ref.PrimaryKey.DBName},
				})

											}

											exprs = append(exprs, clause.Expr{SQL: onSQL, Vars: vars})
										}
									}
								}
							}

							return clause.Join{
								Type:  joinType,
								Table: clause.Table{Name: relation.FieldSchema.Table, Alias: tableAliasName},
								ON:    clause.Where{Exprs: exprs},
							}
						}

						parentTableName := clause.CurrentTable
						for _, rel := range relations {

						if len(values) > 0 {
							conds = append(conds, clause.IN{Column: clause.PrimaryColumn, Values: values})
							return []clause.Expression{clause.And(conds...)}
						}
						return nil
					}
				}

				conds = append(conds, clause.IN{Column: clause.PrimaryColumn, Values: args})
			}
		}
	}

	if len(conds) > 0 {
		return []clause.Expression{clause.And(conds...)}
	}
	return nil
}