Struct VariadicBehavior 

pub struct VariadicBehavior {
    pub min: u32,
    pub max: Option<u32>,
    pub parameter_consistency: Option<ParameterConsistency>,
}

Available on crate feature parse only.

Validated variadic behavior with min/max constraints

Fields

min: u32

Minimum number of arguments

max: Option<u32>

Maximum number of arguments (unlimited when None)

parameter_consistency: Option<ParameterConsistency>

Whether all variadic parameters must have the same type.

None when the parameter is not specified in the YAML. We cannot assume a default because the Substrait spec does not define default behavior for missing values (see https://github.com/substrait-io/substrait/issues/928).

TODO: Once the spec defines default behavior, apply it and change this to a non-Option type (see issue #454).

Trait Implementations

impl Clone for VariadicBehavior

fn clone(&self) -> VariadicBehavior

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for VariadicBehavior

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

Formats the value using the given formatter.

impl PartialEq for VariadicBehavior

fn eq(&self, other: &VariadicBehavior) -> 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 TryFrom<VariadicBehavior> for VariadicBehavior

type Error = ScalarFunctionError

The type returned in the event of a conversion error.

fn try_from(raw: RawVariadicBehavior) -> Result<Self, Self::Error>

Performs the conversion.

impl StructuralPartialEq for VariadicBehavior