Documentation ¶
Index ¶
Constants ¶
This section is empty.
Variables ¶
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var ( // WithGlobalUniqueID sets the universal ids options to the migration. // If this option is enabled, ent migration will allocate a 1<<32 range // for the ids of each entity (table). // Note that this option cannot be applied on tables that already exist. WithGlobalUniqueID = schema.WithGlobalUniqueID // WithDropColumn sets the drop column option to the migration. // If this option is enabled, ent migration will drop old columns // that were used for both fields and edges. This defaults to false. WithDropColumn = schema.WithDropColumn // WithDropIndex sets the drop index option to the migration. // If this option is enabled, ent migration will drop old indexes // that were defined in the schema. This defaults to false. // Note that unique constraints are defined using `UNIQUE INDEX`, // and therefore, it's recommended to enable this option to get more // flexibility in the schema changes. WithDropIndex = schema.WithDropIndex // WithFixture sets the foreign-key renaming option to the migration when upgrading // ent from v0.1.0 (issue-#285). Defaults to true. WithFixture = schema.WithFixture )
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var ( // GroupsColumns holds the columns for the "groups" table. GroupsColumns = []*schema.Column{ {Name: "id", Type: field.TypeInt, Increment: true}, {Name: "max_users", Type: field.TypeInt}, } // GroupsTable holds the schema information for the "groups" table. GroupsTable = &schema.Table{ Name: "groups", Columns: GroupsColumns, PrimaryKey: []*schema.Column{GroupsColumns[0]}, ForeignKeys: []*schema.ForeignKey{}, } // PetsColumns holds the columns for the "pets" table. PetsColumns = []*schema.Column{ {Name: "id", Type: field.TypeInt, Increment: true}, {Name: "age", Type: field.TypeInt}, {Name: "licensed_at", Type: field.TypeTime, Nullable: true}, {Name: "user_pets", Type: field.TypeInt, Nullable: true}, } // PetsTable holds the schema information for the "pets" table. PetsTable = &schema.Table{ Name: "pets", Columns: PetsColumns, PrimaryKey: []*schema.Column{PetsColumns[0]}, ForeignKeys: []*schema.ForeignKey{ { Symbol: "pets_users_pets", Columns: []*schema.Column{PetsColumns[3]}, RefColumns: []*schema.Column{UsersColumns[0]}, OnDelete: schema.SetNull, }, }, } // UsersColumns holds the columns for the "users" table. UsersColumns = []*schema.Column{ {Name: "id", Type: field.TypeInt, Increment: true}, {Name: "name", Type: field.TypeString}, } // UsersTable holds the schema information for the "users" table. UsersTable = &schema.Table{ Name: "users", Columns: UsersColumns, PrimaryKey: []*schema.Column{UsersColumns[0]}, ForeignKeys: []*schema.ForeignKey{}, } // UserFriendsColumns holds the columns for the "user_friends" table. UserFriendsColumns = []*schema.Column{ {Name: "user_id", Type: field.TypeInt}, {Name: "friend_id", Type: field.TypeInt}, } // UserFriendsTable holds the schema information for the "user_friends" table. UserFriendsTable = &schema.Table{ Name: "user_friends", Columns: UserFriendsColumns, PrimaryKey: []*schema.Column{UserFriendsColumns[0], UserFriendsColumns[1]}, ForeignKeys: []*schema.ForeignKey{ { Symbol: "user_friends_user_id", Columns: []*schema.Column{UserFriendsColumns[0]}, RefColumns: []*schema.Column{UsersColumns[0]}, OnDelete: schema.Cascade, }, { Symbol: "user_friends_friend_id", Columns: []*schema.Column{UserFriendsColumns[1]}, RefColumns: []*schema.Column{UsersColumns[0]}, OnDelete: schema.Cascade, }, }, } // Tables holds all the tables in the schema. Tables = []*schema.Table{ GroupsTable, PetsTable, UsersTable, UserFriendsTable, } )
Functions ¶
This section is empty.
Types ¶
type Schema ¶
type Schema struct {
// contains filtered or unexported fields
}
Schema is the API for creating, migrating and dropping a schema.
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