Function mz_sql::plan::query::plan_order_by_exprs

pub(crate) fn plan_order_by_exprs(
    ecx: &ExprContext<'_>,
    order_by_exprs: &[OrderByExpr<Aug>],
    output_columns: &[(usize, &ColumnName)]
) -> Result<(Vec<ColumnOrder>, Vec<HirScalarExpr>), PlanError>

Plans a slice of ORDER BY expressions.

See plan_order_by_or_distinct_expr for details on the output_columns parameter.

Returns the determined column orderings and a list of scalar expressions that must be mapped onto the underlying relation expression.