Struct OrderBySpec 

pub struct OrderBySpec {
    pub columns: Vec<OrderByColumn>,
}

Full ORDER BY specification

Fields

columns: Vec<OrderByColumn>

Columns to sort by (in order of priority)

Implementations

impl OrderBySpec

pub fn single(column: ColumnRef, direction: SortDirection) -> Self

Create from a single column

pub fn then_by(self, column: ColumnRef, direction: SortDirection) -> Self

Add another column to the sort

pub fn comparator( &self, column_names: &[String], ) -> impl Fn(&SochRow, &SochRow) -> Ordering

Create a comparator function for rows

pub fn matches_index(&self, index_columns: &[(String, SortDirection)]) -> bool

Check if an index matches this ORDER BY spec

Trait Implementations

impl Clone for OrderBySpec

fn clone(&self) -> OrderBySpec

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for OrderBySpec

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

Formats the value using the given formatter.