Enum JoinCondition 

pub enum JoinCondition {
    Equality {
        left_field: String,
        right_field: String,
    },
    Expression(String),
    Temporal {
        operator: TemporalOp,
        left_field: String,
        right_field: String,
    },
}

Join condition between two streams

Variants

Equality

Equality condition: left.field == right.field

Fields

left_field: String

right_field: String

Expression(String)

Custom expression condition

Temporal

Temporal constraint: right.time > left.time

Fields

operator: TemporalOp

left_field: String

right_field: String

Trait Implementations

impl Clone for JoinCondition

fn clone(&self) -> JoinCondition

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for JoinCondition

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

Formats the value using the given formatter.

impl PartialEq for JoinCondition

fn eq(&self, other: &JoinCondition) -> 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 StructuralPartialEq for JoinCondition