diff --git a/diesel/src/pg/expression/expression_methods.rs b/diesel/src/pg/expression/expression_methods.rs
index 53594d9168bc..42dc34b87c1f 100644
--- a/diesel/src/pg/expression/expression_methods.rs
+++ b/diesel/src/pg/expression/expression_methods.rs
@@ -1462,35 +1462,26 @@ pub trait PgRangeExpressionMethods: Expression + Sized {
     /// ```rust
     /// # include!("../../doctest_setup.rs");
     /// #
-    /// # table! {
-    /// #     posts {
-    /// #         id -> Integer,
-    /// #         versions -> Range<Integer>,
-    /// #     }
-    /// # }
-    /// #
     /// # fn main() {
     /// #     run_test().unwrap();
     /// # }
     /// #
     /// # fn run_test() -> QueryResult<()> {
-    /// #     use self::posts::dsl::*;
-    /// #     use std::collections::Bound;
+    /// #     use diesel::sql_types::{Integer, Range, Multirange};
     /// #     let conn = &mut establish_connection();
-    /// #     diesel::sql_query("DROP TABLE IF EXISTS posts").execute(conn).unwrap();
-    /// #     diesel::sql_query("CREATE TABLE posts (id SERIAL PRIMARY KEY, versions INT4RANGE NOT NULL)").execute(conn).unwrap();
-    /// #
-    /// diesel::insert_into(posts)
-    ///     .values(&vec![
-    ///         (versions.eq((Bound::Included(1), Bound::Excluded(2)))),
-    ///         (versions.eq((Bound::Included(4), Bound::Excluded(7))))
-    ///     ])
-    ///     .execute(conn)?;
+    /// assert!(diesel::select(
+    ///     (1..2).into_sql::<Range<Integer>>().range_adjacent(2..=6)
+    ///     ).first::<bool>(conn).unwrap());
+    /// assert!(!diesel::select(
+    ///     (4..7).into_sql::<Range<Integer>>().range_adjacent(2..=6)
+    ///     ).first::<bool>(conn).unwrap());
     ///
-    /// let data = posts.select(versions.range_adjacent((Bound::Included(2),Bound::Included(6))))
-    ///     .load::<bool>(conn)?;
-    /// let expected = vec![true, false];
-    /// assert_eq!(expected, data);
+    /// assert!(diesel::select(
+    ///     vec![1..2].into_sql::<Multirange<Integer>>().range_adjacent(vec![2..=6])
+    ///     ).first::<bool>(conn).unwrap());
+    /// assert!(!diesel::select(
+    ///     vec![4..7].into_sql::<Multirange<Integer>>().range_adjacent(vec![2..=6])
+    ///     ).first::<bool>(conn).unwrap());
     /// #     Ok(())
     /// # }
     /// ```