Function documented_rules

datafusion/core/src/optimizer_rule_reference.rs:24–52

(section_heading: &str)

const OPTIMIZER_RULE_REFERENCE: &str = include_str!("optimizer_rule_reference.md");

fn documented_rules(section_heading: &str) -> Vec<String> {
    let mut in_section = false;
    let mut names = vec![];

    for line in OPTIMIZER_RULE_REFERENCE.lines() {
        if line == section_heading {
            in_section = true;
            continue;
        }

        if in_section && line.starts_with("### ") {
            break;
        }

        if !in_section || !line.starts_with('|') || line.contains("---") {
            continue;
        }

        let columns: Vec<_> = line.split('|').map(str::trim).collect();

        if columns.len() < 4 || columns[1] == "order" {
            continue;
        }

        names.push(columns[2].trim_matches('`').to_string());
    }

    names
}

#[test]
fn analyzer_rules_match_documented_order() {