erratic-pattern commented on code in PR #10473:
URL: https://github.com/apache/datafusion/pull/10473#discussion_r1604224615
##########
datafusion/expr/src/expr.rs:
##########
@@ -1389,6 +1390,201 @@ impl Expr {
| Expr::Placeholder(..) => false,
}
}
+
+ pub fn hash_node(&self, hasher: &mut AHasher) {
+ match self {
+ Expr::Alias(Alias { relation, name, .. }) => {
+ hasher.write_u8(0);
Review Comment:
would it be easier to use
[`std::mem::discriminant`](https://doc.rust-lang.org/std/mem/fn.discriminant.html)?
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