bombsimon commented on code in PR #1884:
URL:
https://github.com/apache/datafusion-sqlparser-rs/pull/1884#discussion_r2150350430
##########
src/ast/mod.rs:
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@@ -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>>,
Review Comment:
Added a description.
Initially I used `Option<Option<Ident>>` because you can either do bare
`RAISE` which re-reases the exception currently handled _or_ you can do `RASIE
SOME_EXCEPTION` which reaises `SOME_EXCEPTION`.
For BigQuery however this is a bit more complex, there you can something
like this which was solved by using the already existing
[`parse_raise_stmt`](https://cloud.google.com/bigquery/docs/reference/standard-sql/procedural-language#raise).
```sql
RAISE USING MESSAGE = FORMAT('Some issue: %s', i)
```
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