Function extract_func_args

nodedb-sql/src/planner/select/helpers.rs:73–85

(func: &ast::Function)

}

pub fn extract_func_args(func: &ast::Function) -> Result<Vec<ast::Expr>> {
    match &func.args {
        ast::FunctionArguments::List(args) => Ok(args
            .args
            .iter()
            .filter_map(|a| match a {
                ast::FunctionArg::Unnamed(ast::FunctionArgExpr::Expr(e)) => Some(e.clone()),
                _ => None,
            })
            .collect()),
        _ => Ok(Vec::new()),
    }
}

/// Evaluate a constant SqlExpr to a SqlValue. Delegates to the shared
/// `const_fold::fold_constant` helper so that zero-arg scalar functions