Trait NullValue 

pub trait NullValue: SqlType {
    const NULL_VALUE: Value;
}

A base SQL type’s typed NULL — see Value::NullI32 etc. for why this can’t just be a single untyped Value::Null.

Required Associated Constants

const NULL_VALUE: Value

Dyn Compatibility

This trait is not dyn compatible.

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

Implementors

impl NullValue for BigInt

const NULL_VALUE: Value = Value::NullI64

impl NullValue for Bool

const NULL_VALUE: Value = Value::NullBool

impl NullValue for Bytes

const NULL_VALUE: Value = Value::NullBytes

impl NullValue for Date

const NULL_VALUE: Value = Value::NullDate

impl NullValue for Integer

const NULL_VALUE: Value = Value::NullI32

impl NullValue for Numeric

const NULL_VALUE: Value = Value::NullNumeric

impl NullValue for Real

const NULL_VALUE: Value = Value::NullF64

impl NullValue for Text

const NULL_VALUE: Value = Value::NullText

impl NullValue for Timestamptz

const NULL_VALUE: Value = Value::NullTimestamptz

impl NullValue for Uuid

const NULL_VALUE: Value = Value::NullUuid