use crate::err::Error;
use crate::sql::value::Value;
pub fn count((arg,): (Option<Value>,)) -> Result<Value, Error> {
Ok(arg
.map(|val| match val {
Value::Array(v) => v.iter().filter(|v| v.is_truthy()).count().into(),
v => (v.is_truthy() as i64).into(),
})
.unwrap_or_else(|| 1.into()))
}