Trait ValueEnum 

pub trait ValueEnum {
    // Required method
    fn as_enum_str(&self) -> Result<Cow<'static, str>, PlanError>;
}

A trait for enum types that can be rendered as &VariantName in the text format.

Required Methods

fn as_enum_str(&self) -> Result<Cow<'static, str>, PlanError>

Implementations on Foreign Types

impl ValueEnum for AggregationInvocation

fn as_enum_str(&self) -> Result<Cow<'static, str>, PlanError>

impl ValueEnum for AggregationPhase

fn as_enum_str(&self) -> Result<Cow<'static, str>, PlanError>

impl ValueEnum for JoinType

fn as_enum_str(&self) -> Result<Cow<'static, str>, PlanError>

impl ValueEnum for SetOp

fn as_enum_str(&self) -> Result<Cow<'static, str>, PlanError>

impl ValueEnum for SortKind

fn as_enum_str(&self) -> Result<Cow<'static, str>, PlanError>

Implementors