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compare_sort_expr in datafusion_expr::utils - Rust
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datafusion_expr::utils

Function compare_sort_expr

Source 
pub fn compare_sort_expr(
    sort_expr_a: &Sort,
    sort_expr_b: &Sort,
    schema: &DFSchemaRef,
) -> Ordering
Expand description

Compare the sort expr as PostgreSQL’s common_prefix_cmp(): https://github.com/postgres/postgres/blob/master/src/backend/optimizer/plan/planner.c