Struct PropertyDef 

pub struct PropertyDef {
    pub name: DbString,
    pub value_type: ValueType,
    pub nullable: bool,
    pub default: Option<Value>,
    pub immutable: bool,
    pub unique: bool,
    pub record_fields: Option<Box<RecordFieldStructure>>,
}

Property schema definition.

Fields

name: DbString

Property name.

value_type: ValueType

Property value type.

nullable: bool

Whether Value::Null is allowed.

default: Option<Value>

Optional default value.

immutable: bool

Whether updates to this property are forbidden after creation.

unique: bool

Whether non-null property values must be unique within the declaring type.

record_fields: Option<Box<RecordFieldStructure>>

Inline RECORD field structure when PropertyDef::value_type resolves to a RecordTyped property. None for every non-record property; Some(Open) for an open/bare RECORD; Some(Closed(..)) for a closed/typed RECORD{..}. The None-vs-Some(Open) distinction is load-bearing: it is the only durable signal that a bare RECORD property is record-typed (its ValueType is otherwise indistinguishable from a scalar Null on the WAL side), so without it WAL replay would degrade an open record to Null. Carried for WAL durability, symmetric to the rkyv snapshot-side selene_graph::graph_types::PropertyTypeDef::record_field_types.

Trait Implementations

impl Clone for PropertyDef

fn clone(&self) -> PropertyDef

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PropertyDef

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for PropertyDef

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl From<PropertyDefV1> for PropertyDef

fn from(value: PropertyDefV1) -> Self

Converts to this type from the input type.

impl PartialEq for PropertyDef

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for PropertyDef

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for PropertyDef