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 false. WithFixture = schema.WithFixture )
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var ( // UsersColumns holds the columns for the "users" table. UsersColumns = []*schema.Column{ {Name: "id", Type: field.TypeInt, Increment: true}, {Name: "name", Type: field.TypeString}, {Name: "user_spouse", Type: field.TypeInt, Unique: true, Nullable: true}, } // UsersTable holds the schema information for the "users" table. UsersTable = &schema.Table{ Name: "users", Columns: UsersColumns, PrimaryKey: []*schema.Column{UsersColumns[0]}, ForeignKeys: []*schema.ForeignKey{ { Symbol: "users_users_spouse", Columns: []*schema.Column{UsersColumns[2]}, RefColumns: []*schema.Column{UsersColumns[0]}, OnDelete: schema.SetNull, }, }, } // UserFollowingColumns holds the columns for the "user_following" table. UserFollowingColumns = []*schema.Column{ {Name: "user_id", Type: field.TypeInt}, {Name: "follower_id", Type: field.TypeInt}, } // UserFollowingTable holds the schema information for the "user_following" table. UserFollowingTable = &schema.Table{ Name: "user_following", Columns: UserFollowingColumns, PrimaryKey: []*schema.Column{UserFollowingColumns[0], UserFollowingColumns[1]}, ForeignKeys: []*schema.ForeignKey{ { Symbol: "user_following_user_id", Columns: []*schema.Column{UserFollowingColumns[0]}, RefColumns: []*schema.Column{UsersColumns[0]}, OnDelete: schema.Cascade, }, { Symbol: "user_following_follower_id", Columns: []*schema.Column{UserFollowingColumns[1]}, RefColumns: []*schema.Column{UsersColumns[0]}, OnDelete: schema.Cascade, }, }, } // Tables holds all the tables in the schema. Tables = []*schema.Table{ UsersTable, UserFollowingTable, } )
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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