use surrealdb_types::{SqlFormat, ToSql, write_sql};
use super::DefineKind;
use crate::catalog::EventKind;
use crate::fmt::{CoverStmts, Fmt};
use crate::sql::{Expr, Literal};
#[derive(Clone, Debug, PartialEq, Eq)]
#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
pub(crate) struct DefineEventStatement {
pub kind: DefineKind,
pub name: Expr,
pub target_table: Expr,
pub when: Expr,
#[cfg_attr(feature = "arbitrary", arbitrary(with = crate::sql::arbitrary::atleast_one))]
pub then: Vec<Expr>,
pub comment: Expr,
pub event_kind: EventKind,
}
impl ToSql for DefineEventStatement {
fn fmt_sql(&self, f: &mut String, fmt: SqlFormat) {
f.push_str("DEFINE EVENT");
match self.kind {
DefineKind::Default => {}
DefineKind::Overwrite => f.push_str(" OVERWRITE"),
DefineKind::IfNotExists => f.push_str(" IF NOT EXISTS"),
}
write_sql!(f, fmt, " {} ON {}", CoverStmts(&self.name), CoverStmts(&self.target_table),);
if let EventKind::Async {
retry,
max_depth,
} = self.event_kind
{
write_sql!(f, fmt, " ASYNC RETRY {} MAXDEPTH {}", retry, max_depth);
}
write_sql!(f, fmt, " WHEN {}", CoverStmts(&self.when),);
if !self.then.is_empty() {
write_sql!(f, fmt, " THEN {}", Fmt::comma_separated(self.then.iter().map(CoverStmts)));
}
if !matches!(self.comment, Expr::Literal(Literal::None)) {
write_sql!(f, fmt, " COMMENT {}", CoverStmts(&self.comment));
}
}
}
impl From<DefineEventStatement> for crate::expr::statements::DefineEventStatement {
fn from(v: DefineEventStatement) -> Self {
crate::expr::statements::DefineEventStatement {
kind: v.kind.into(),
name: v.name.into(),
target_table: v.target_table.into(),
when: v.when.into(),
then: v.then.into_iter().map(From::from).collect(),
comment: v.comment.into(),
event_kind: v.event_kind,
}
}
}
#[allow(clippy::fallible_impl_from)]
impl From<crate::expr::statements::DefineEventStatement> for DefineEventStatement {
fn from(v: crate::expr::statements::DefineEventStatement) -> Self {
DefineEventStatement {
kind: v.kind.into(),
name: v.name.into(),
target_table: v.target_table.into(),
when: v.when.into(),
then: v.then.into_iter().map(From::from).collect(),
comment: v.comment.into(),
event_kind: v.event_kind,
}
}
}