Function first_expr

nodedb-sql/src/aggregate_walk.rs:232–237

(sql: &str)

    }

    fn first_expr(sql: &str) -> ast::Expr {
        match first_select_projection(sql).into_iter().next().unwrap() {
            ast::SelectItem::UnnamedExpr(e) | ast::SelectItem::ExprWithAlias { expr: e, .. } => e,
            _ => panic!(),
        }
    }

    fn functions() -> FunctionRegistry {
        FunctionRegistry::new()