migrate

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
	// WithForeignKeys enables creating foreign-key in schema DDL. This defaults to true.
	WithForeignKeys = schema.WithForeignKeys
)

var (
	// KvsColumns holds the columns for the "kvs" table.
	KvsColumns = []*schema.Column{
		{Name: "id", Type: field.TypeInt, Increment: true},
		{Name: "created_at", Type: field.TypeTime},
		{Name: "updated_at", Type: field.TypeTime},
		{Name: "key", Type: field.TypeString, Unique: true},
		{Name: "value", Type: field.TypeString},
		{Name: "expires_at", Type: field.TypeTime, Nullable: true},
	}
	// KvsTable holds the schema information for the "kvs" table.
	KvsTable = &schema.Table{
		Name:       "kvs",
		Columns:    KvsColumns,
		PrimaryKey: []*schema.Column{KvsColumns[0]},
		Indexes: []*schema.Index{
			{
				Name:    "kv_key",
				Unique:  true,
				Columns: []*schema.Column{KvsColumns[3]},
			},
		},
	}
	// Tables holds all the tables in the schema.
	Tables = []*schema.Table{
		KvsTable,
	}
)