datafusion_physical_expr::equivalence

Function join_equivalence_properties

Source 
pub fn join_equivalence_properties(
    left: EquivalenceProperties,
    right: EquivalenceProperties,
    join_type: &JoinType,
    join_schema: SchemaRef,
    maintains_input_order: &[bool],
    probe_side: Option<JoinSide>,
    on: &[(PhysicalExprRef, PhysicalExprRef)],
) -> EquivalenceProperties
Expand description

Calculate ordering equivalence properties for the given join operation.