// First finds the first record ordered by primary key, matching given conditions conds
func (db *DB) First(dest interface{}, conds ...interface{}) (tx *DB) {
	tx = db.Limit(1).Order(clause.OrderByColumn{
		Column: clause.Column{Table: clause.CurrentTable, Name: clause.PrimaryKey},
	})
	if len(conds) > 0 {
		if exprs := tx.Statement.BuildCondition(conds[0], conds[1:]...); len(exprs) > 0 {
			tx.Statement.AddClause(clause.Where{Exprs: exprs})

						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
}

func (db *DB) Clauses(conds ...clause.Expression) (tx *DB) {
	tx = db.getInstance()
	var whereConds []interface{}

	for _, cond := range conds {
		if c, ok := cond.(clause.Interface); ok {
			tx.Statement.AddClause(c)
		} else if optimizer, ok := cond.(StatementModifier); ok {
			optimizer.ModifyStatement(tx.Statement)
		} else {
			whereConds = append(whereConds, cond)
		}
	}

	if len(whereConds) > 0 {

				conds = append(conds, clause.IN{Column: pcolumn, Values: pvalues})
			} else {
				return ErrPrimaryKeyRequired
			}

			_, rvs := schema.GetIdentityFieldValuesMapFromValues(association.DB.Statement.Context, values, primaryFields)
			relColumn, relValues := schema.ToQueryValues(rel.Schema.Table, foreignKeys, rvs)
			conds = append(conds, clause.IN{Column: relColumn, Values: relValues})

			var conds []clause.Expression
			for _, primaryField := range db.Statement.Schema.PrimaryFields {
				if v, isZero := primaryField.ValueOf(db.Statement.Context, db.Statement.ReflectValue); !isZero {
					conds = append(conds, clause.Eq{Column: clause.Column{Table: db.Statement.Table, Name: primaryField.DBName}, Value: v})
				}
			}

			if len(conds) > 0 {

}

func describeMatch(match *route.RouteMatch) string {
	conds := []string{}
	if match.GetPrefix() != "" {
		conds = append(conds, fmt.Sprintf("%s*", match.GetPrefix()))
	}
	if match.GetPathSeparatedPrefix() != "" {
		conds = append(conds, fmt.Sprintf("PathPrefix:%s", match.GetPathSeparatedPrefix()))
	}
	if match.GetPath() != "" {
		conds = append(conds, match.GetPath())
	}
	if match.GetSafeRegex() != nil {

				relForeignKeys = append(relForeignKeys, ref.ForeignKey.DBName)
			} 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},

	column, values := schema.ToQueryValues(clause.CurrentTable, relForeignKeys, foreignValues)

	if len(values) != 0 {
		for _, cond := range conds {
			if fc, ok := cond.(func(*gorm.DB) *gorm.DB); ok {
				tx = fc(tx)
			} else {
				inlineConds = append(inlineConds, cond)
			}
		}

		return users[i].ID > users[j].ID
	})

	for idx, user := range users {
		CheckUser(t, user, users2[idx])
	}
}

func TestJoinConds(t *testing.T) {
	user := *GetUser("joins-conds", Config{Account: true, Pets: 3})
	DB.Save(&user)

	var users1 []User
	DB.Joins("inner join pets on pets.user_id = users.id").Where("users.name = ?", user.Name).Find(&users1)
	if len(users1) != 3 {

    } else {
      // TODO(allenl): Figure out why using zeros_like everywhere causes issues
      // for some gradient functions and if there's another way to work around
      // it (e.g. conds instead of ifs). The value shouldn't really matter.
      TF_RETURN_IF_ERROR(vspace_.BuildOnesLike(output_tensor, &aid));
    }
    if (TF_PREDICT_FALSE(aid == nullptr)) {
      return tensorflow::errors::Internal(