schema

Documentation

Index

• func MatchVersion(oldV, curV int64) predicate.User
• func OptimisticLock() ent.Hook
• type User
  • func (User) Fields() []ent.Field
  • func (User) Mixin() []ent.Mixin
• type VersionMixin
  • func (VersionMixin) Fields() []ent.Field
  • func (VersionMixin) Hooks() []ent.Hook

Functions

func MatchVersion

func MatchVersion(oldV, curV int64) predicate.User

MatchVersion returns a "dynamic User predicate". First, it checks that the "version" field was not changed by another process when executing the `UPDATE` operation. Next, it checks that the new value matches when `SELECT`-ing the node from the database.

func OptimisticLock

func OptimisticLock() ent.Hook

Types

type User

type User struct {
	ent.Schema
}

User holds the schema definition for the User entity.

func (User) Fields

func (User) Fields() []ent.Field

Fields of the User.

func (User) Mixin

func (User) Mixin() []ent.Mixin

Mixin of the User.

type VersionMixin

type VersionMixin struct {
	mixin.Schema
}

VersionMixin provides an optimistic concurrency control mechanism using a "version" field.

func (VersionMixin) Fields

func (VersionMixin) Fields() []ent.Field

Fields of the VersionMixin.

func (VersionMixin) Hooks

func (VersionMixin) Hooks() []ent.Hook

Hooks of the VersionMixin.