Function col_arg

nodedb-query/src/window/offset.rs:10–18

(spec: &WindowFuncSpec, idx: usize)

use super::spec::WindowFuncSpec;

fn col_arg(spec: &WindowFuncSpec, idx: usize) -> &str {
    spec.args
        .get(idx)
        .and_then(|e| match e {
            SqlExpr::Column(c) => Some(c.as_str()),
            _ => None,
        })
        .unwrap_or("*")
}

fn usize_arg(spec: &WindowFuncSpec, idx: usize, default: usize) -> usize {
    spec.args