Struct NullValueTreatmentEnum

pub struct NullValueTreatmentEnum;

Available on crate feature postgres_backend only.

This is a wrapper for NullValueTreatment to represent null_value_treatment for jsonb_seet_lax: ‘raise_exception’ ‘use_json_null’ ‘delete_key’ ‘return_target’ used in functions jsonb_set_lax

Trait Implementations

impl<'__expr, '__expr2> AsExpression<NullValueTreatmentEnum> for &'__expr2 &'__expr NullValueTreatment

type Expression = Bound<NullValueTreatmentEnum, &'__expr2 &'__expr NullValueTreatment>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl<'__expr> AsExpression<NullValueTreatmentEnum> for &'__expr NullValueTreatment

type Expression = Bound<NullValueTreatmentEnum, &'__expr NullValueTreatment>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl AsExpression<NullValueTreatmentEnum> for NullValueTreatment

type Expression = Bound<NullValueTreatmentEnum, NullValueTreatment>

The expression being returned

fn as_expression(self) -> Self::Expression

Perform the conversion

impl Clone for NullValueTreatmentEnum

fn clone(&self) -> NullValueTreatmentEnum

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for NullValueTreatmentEnum

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

Formats the value using the given formatter.

impl HasSqlType<NullValueTreatmentEnum> for Pg

fn metadata(lookup: &mut Self::MetadataLookup) -> PgTypeMetadata

Fetch the metadata for the given type

impl QueryId for NullValueTreatmentEnum

const HAS_STATIC_QUERY_ID: bool = true

Can the SQL generated by Self be uniquely identified by its type?

type QueryId = NullValueTreatmentEnum

A type which uniquely represents Self in a SQL query.

fn query_id() -> Option<TypeId>

Returns the type id of Self::QueryId if Self::HAS_STATIC_QUERY_ID. Returns None otherwise.

impl SqlType for NullValueTreatmentEnum

type IsNull = NotNull

Is this type nullable?

impl ToSql<NullValueTreatmentEnum, Pg> for NullValueTreatment

fn to_sql<'b>(&'b self, out: &mut Output<'b, '_, Pg>) -> Result

See the trait documentation.

impl Copy for NullValueTreatmentEnum

impl SingleValue for NullValueTreatmentEnum