group.go

// Copyright 2019-present Facebook Inc. All rights reserved.
// This source code is licensed under the Apache 2.0 license found
// in the LICENSE file in the root directory of this source tree.

// Code generated by ent, DO NOT EDIT.

package versioned

import (
	"fmt"
	"strings"

	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/entc/integration/migrate/versioned/group"
)

// Group is the model entity for the Group schema.
type Group struct {
	config `json:"-"`
	// ID of the ent.
	ID int `json:"id,omitempty"`
	// Name holds the value of the "name" field.
	Name string `json:"name,omitempty"`
}

// scanValues returns the types for scanning values from sql.Rows.
func (*Group) scanValues(columns []string) ([]any, error) {
	values := make([]any, len(columns))
	for i := range columns {
		switch columns[i] {
		case group.FieldID:
			values[i] = new(sql.NullInt64)
		case group.FieldName:
			values[i] = new(sql.NullString)
		default:
			return nil, fmt.Errorf("unexpected column %q for type Group", columns[i])
		}
	}
	return values, nil
}

// assignValues assigns the values that were returned from sql.Rows (after scanning)
// to the Group fields.
func (gr *Group) assignValues(columns []string, values []any) error {
	if m, n := len(values), len(columns); m < n {
		return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
	}
	for i := range columns {
		switch columns[i] {
		case group.FieldID:
			value, ok := values[i].(*sql.NullInt64)
			if !ok {
				return fmt.Errorf("unexpected type %T for field id", value)
			}
			gr.ID = int(value.Int64)
		case group.FieldName:
			if value, ok := values[i].(*sql.NullString); !ok {
				return fmt.Errorf("unexpected type %T for field name", values[i])
			} else if value.Valid {
				gr.Name = value.String
			}
		}
	}
	return nil
}

// Update returns a builder for updating this Group.
// Note that you need to call Group.Unwrap() before calling this method if this Group
// was returned from a transaction, and the transaction was committed or rolled back.
func (gr *Group) Update() *GroupUpdateOne {
	return NewGroupClient(gr.config).UpdateOne(gr)
}

// Unwrap unwraps the Group entity that was returned from a transaction after it was closed,
// so that all future queries will be executed through the driver which created the transaction.
func (gr *Group) Unwrap() *Group {
	_tx, ok := gr.config.driver.(*txDriver)
	if !ok {
		panic("versioned: Group is not a transactional entity")
	}
	gr.config.driver = _tx.drv
	return gr
}

// String implements the fmt.Stringer.
func (gr *Group) String() string {
	var builder strings.Builder
	builder.WriteString("Group(")
	builder.WriteString(fmt.Sprintf("id=%v, ", gr.ID))
	builder.WriteString("name=")
	builder.WriteString(gr.Name)
	builder.WriteByte(')')
	return builder.String()
}

// Groups is a parsable slice of Group.
type Groups []*Group