Enum RecordFormPreference 

pub enum RecordFormPreference {
    Auto,
    Columnar,
    Bundled,
}

User-facing preference for record form selection at table creation time.

Auto derives a safe default from the schema (no properties to pure, anything else to columnar) and reports the result through the table construction log; the resolved form then locks and persists. Later evolution breaking the preconditions must migrate explicitly. Columnar forces the standard multi/single/none strategy path. Bundled is an explicit opt-in to the single-scalar inline form: Auto never selects it, so a table only takes the inline limits (no rank, no MVCC version chain, no online schema change) when the operator asks for them by name.

Variants

Auto

Auto-select Pure/Columnar based on schema properties.

Columnar

Force columnar storage regardless of schema.

Bundled

Explicit opt-in to the bundled inline form for one encodable scalar.

Creation fails when the schema is not bundled-eligible (arity, type or single-edge direction), reporting the same reason the migration precheck reports.

Trait Implementations

impl Clone for RecordFormPreference

fn clone(&self) -> RecordFormPreference

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for RecordFormPreference

impl Debug for RecordFormPreference

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Default for RecordFormPreference

fn default() -> RecordFormPreference

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for RecordFormPreference

fn deserialize<__D>( __deserializer: __D, ) -> Result<RecordFormPreference, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for RecordFormPreference

impl Hash for RecordFormPreference

fn hash<__H>(&self, state: &mut __H)

where __H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for RecordFormPreference

fn eq(&self, other: &RecordFormPreference) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for RecordFormPreference

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for RecordFormPreference