bombsimon commented on code in PR #1884:
URL:
https://github.com/apache/datafusion-sqlparser-rs/pull/1884#discussion_r2150372100
##########
src/ast/mod.rs:
##########
@@ -2982,6 +2982,63 @@ impl From<Set> for Statement {
}
}
+/// An exception representing exception handling with the `EXCEPTION` keyword.
+///
+/// Snowflake:
<https://docs.snowflake.com/en/sql-reference/snowflake-scripting/exception>
+/// BigQuery:
<https://cloud.google.com/bigquery/docs/reference/standard-sql/procedural-language#beginexceptionend>
+#[derive(Debug, Clone, PartialEq, PartialOrd, Eq, Ord, Hash)]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "visitor", derive(Visit, VisitMut))]
+pub struct Exception {
+ pub when: Vec<ExceptionWhen>,
+ pub raises: Option<Box<Statement>>,
+}
+
+impl Display for Exception {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ write!(f, " EXCEPTION")?;
+ for w in &self.when {
+ write!(f, "{w}")?;
+ }
+
+ if let Some(raises) = &self.raises {
+ write!(f, " {raises};")?;
+ }
+
+ Ok(())
+ }
+}
+
+/// A representation of a `WHEN` arm with all the identifiers catched and the
statements to execute
+/// for the arm.
+#[derive(Debug, Clone, PartialEq, PartialOrd, Eq, Ord, Hash)]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "visitor", derive(Visit, VisitMut))]
+pub struct ExceptionWhen {
+ pub idents: Vec<Ident>,
+ pub statements: Vec<Statement>,
+}
+
+impl Display for ExceptionWhen {
+ fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+ let idents = self
+ .idents
+ .iter()
+ .map(ToString::to_string)
+ .collect::<Vec<_>>()
+ .join(" OR ");
Review Comment:
Oh of course, only knew about `display_comma_separated` and didn't know this
was a trait. Sorry for not looking further through the code! 🙈
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