use crate::{cond::Cond, field::Fields, group::Groups, table::Tables};
use revision::revisioned;
use serde::{Deserialize, Serialize};
use std::fmt;
#[derive(Clone, Debug, Default, Eq, PartialEq, PartialOrd, Serialize, Deserialize, Hash)]
#[revisioned(revision = 1)]
pub struct View {
pub expr: Fields,
pub what: Tables,
pub cond: Option<Cond>,
pub group: Option<Groups>,
}
impl fmt::Display for View {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "AS SELECT {} FROM {}", self.expr, self.what)?;
if let Some(ref v) = self.cond {
write!(f, " {v}")?
}
if let Some(ref v) = self.group {
write!(f, " {v}")?
}
Ok(())
}
}