Trait Nullable 

pub trait Nullable {
    // Required method
    fn null() -> Value;
}

Required Methods

fn null() -> Value

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl Nullable for &str

fn null() -> Value

impl Nullable for String

fn null() -> Value

impl Nullable for Vec<u8>

fn null() -> Value

impl Nullable for bool

fn null() -> Value

impl Nullable for char

fn null() -> Value

impl Nullable for f32

fn null() -> Value

impl Nullable for f64

fn null() -> Value

impl Nullable for i8

fn null() -> Value

impl Nullable for i16

fn null() -> Value

impl Nullable for i32

fn null() -> Value

impl Nullable for i64

fn null() -> Value

impl Nullable for u8

fn null() -> Value

impl Nullable for u16

fn null() -> Value

impl Nullable for u32

fn null() -> Value

impl Nullable for u64

fn null() -> Value

impl<T> Nullable for Vec<T>

where T: Into<Value> + NotU8 + ValueType,

fn null() -> Value

impl<const N: usize> Nullable for TypedId<N, u32>

where TypedId<N, u32>: UniqueTypedIdDeclaration,

fn null() -> Value

impl<const N: usize> Nullable for TypedId<N, u64>

where TypedId<N, u64>: UniqueTypedIdDeclaration,

fn null() -> Value

Implementors

impl Nullable for BigDecimal

impl Nullable for Braced

impl Nullable for Date

impl Nullable for DateTime<FixedOffset>

impl Nullable for DateTime<Local>

impl Nullable for DateTime<Utc>

impl Nullable for Decimal

impl Nullable for Hyphenated

impl Nullable for risingwave_meta_model_migration::m20240630_131430_remove_parallel_unit::I32Array

impl Nullable for risingwave_meta_model_migration::m20250106_072104_fragment_relation::I32Array

impl Nullable for risingwave_meta_model_migration::m20250819_014448_add_version_column_indices_to_table::I32Array

impl Nullable for NaiveDate

impl Nullable for NaiveDateTime

impl Nullable for NaiveTime

impl Nullable for OffsetDateTime

impl Nullable for PrimitiveDateTime

impl Nullable for Simple

impl Nullable for Time

impl Nullable for Urn

impl Nullable for Uuid

impl Nullable for Value