Function main

datafusion/core/src/bin/print_functions_docs.rs:34–56

Print documentation for all functions of a given type to stdout Usage: `cargo run --bin print_functions_docs -- ` Called from `dev/update_function_docs.sh`

()

///
/// Called from `dev/update_function_docs.sh`
fn main() -> Result<()> {
    let args: Vec<String> = args().collect();

    if args.len() != 2 {
        panic!(
            "Usage: {} type (one of 'aggregate', 'scalar', 'window')",
            args[0]
        );
    }

    let function_type = args[1].trim().to_lowercase();
    let docs = match function_type.as_str() {
        "aggregate" => print_aggregate_docs(),
        "scalar" => print_scalar_docs(),
        "window" => print_window_docs(),
        _ => {
            panic!("Unknown function type: {function_type}")
        }
    }?;

    println!("{docs}");
    Ok(())
}

fn print_aggregate_docs() -> Result<String> {
    let mut providers: Vec<Box<dyn DocProvider>> = vec![];