diff --git a/src/sqlast/query.rs b/src/sqlast/query.rs
index e0a2c875..e954289a 100644
--- a/src/sqlast/query.rs
+++ b/src/sqlast/query.rs
@@ -367,7 +367,7 @@ impl ToString for Fetch {
     }
 }
 
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, Hash)]
 pub struct SQLValues(pub Vec<Vec<ASTNode>>);
 
 impl ToString for SQLValues {