calculate_join_output_ordering

datafusion_physical_plan::joins::utils

Function calculate_join_output_ordering 

Source 
pub fn calculate_join_output_ordering(
    left_ordering: Option<&LexOrdering>,
    right_ordering: Option<&LexOrdering>,
    join_type: JoinType,
    left_columns_len: usize,
    maintains_input_order: &[bool],
    probe_side: Option<JoinSide>,
) -> Result<Option<LexOrdering>>
Expand description

Calculate the output ordering of a given join operation.