#soft-delete code explainers

java

@Entity
@Table(name = "orders")
@SQLDelete(sql = "UPDATE orders SET deleted = true, deleted_at = now() WHERE id = ?")
@Where(clause = "deleted = false")

Soft deletes with Hibernate in Spring

soft-delete jpa hibernate

Intermediate 9 steps

python

from django.db import models
from django.utils import timezone

How soft deletes work in Django

soft-delete querysets managers

Intermediate 10 steps

ruby

module SoftDeletable
  extend ActiveSupport::Concern
 
  included do

How a soft-delete concern works in Rails

concerns soft-delete scopes

Intermediate 8 steps

ruby

class Article < ApplicationRecord
  belongs_to :author
 
  default_scope { where(deleted_at: nil) }

How scopes compose in Rails

scopes query-composition activerecord

Intermediate 9 steps