4 files changed, 59 insertions, 0 deletions
diff --git a/tests/fixtures/identity.sql b/tests/fixtures/identity.sql
index d7084ac..836ab28 100644
--- a/tests/fixtures/identity.sql
+++ b/tests/fixtures/identity.sql
@@ -523,6 +523,8 @@ DROP VIEW a.b
 DROP VIEW IF EXISTS a
 DROP VIEW IF EXISTS a.b
 SHOW TABLES
+USE db
+ROLLBACK
 EXPLAIN SELECT * FROM x
 INSERT INTO x SELECT * FROM y
 INSERT INTO x (SELECT * FROM y)
@@ -569,3 +571,13 @@ SELECT * FROM (tbl1 LEFT JOIN tbl2 ON 1 = 1)
 SELECT * FROM (tbl1 JOIN tbl2 JOIN tbl3)
 SELECT * FROM (tbl1 JOIN (tbl2 JOIN tbl3) ON bla = foo)
 SELECT * FROM (tbl1 JOIN LATERAL (SELECT * FROM bla) AS tbl)
+SELECT CAST(x AS INT) /* comment */ FROM foo
+SELECT a /* x */, b /* x */
+SELECT * FROM foo /* x */, bla /* x */
+SELECT 1 /* comment */ + 1
+SELECT 1 /* c1 */ + 2 /* c2 */
+SELECT 1 /* c1 */ + 2 /* c2 */ + 3 /* c3 */
+SELECT 1 /* c1 */ + 2 /* c2 */, 3 /* c3 */
+SELECT x FROM a.b.c /* x */, e.f.g /* x */
+SELECT FOO(x /* c */) /* FOO */, b /* b */
+SELECT FOO(x /* c1 */ + y /* c2 */ + BLA(5 /* c3 */)) FROM VALUES (1 /* c4 */, "test" /* c5 */) /* c6 */
diff --git a/tests/fixtures/optimizer/qualify_columns.sql b/tests/fixtures/optimizer/qualify_columns.sql
index a958c08..1176078 100644
--- a/tests/fixtures/optimizer/qualify_columns.sql
+++ b/tests/fixtures/optimizer/qualify_columns.sql
@@ -104,6 +104,16 @@ SELECT x.b AS b, x.a AS a FROM x AS x LEFT JOIN y AS y ON x.b = y.b QUALIFY ROW_
 SELECT AGGREGATE(ARRAY(a, x.b), 0, (x, acc) -> x + acc + a) AS sum_agg FROM x;
 SELECT AGGREGATE(ARRAY(x.a, x.b), 0, (x, acc) -> x + acc + x.a) AS sum_agg FROM x AS x;
 
+# dialect: starrocks
+# execute: false
+SELECT DATE_TRUNC('week', a) AS a FROM x;
+SELECT DATE_TRUNC('week', x.a) AS a FROM x AS x;
+
+# dialect: bigquery
+# execute: false
+SELECT DATE_TRUNC(a, MONTH) AS a FROM x;
+SELECT DATE_TRUNC(x.a, MONTH) AS a FROM x AS x;
+
 --------------------------------------
 -- Derived tables
 --------------------------------------
diff --git a/tests/fixtures/optimizer/simplify.sql b/tests/fixtures/optimizer/simplify.sql
index 07e818f..7207ba2 100644
--- a/tests/fixtures/optimizer/simplify.sql
+++ b/tests/fixtures/optimizer/simplify.sql
@@ -79,6 +79,15 @@ NULL;
 NULL = NULL;
 NULL;
 
+NULL <=> NULL;
+TRUE;
+
+a IS NOT DISTINCT FROM a;
+TRUE;
+
+NULL IS DISTINCT FROM NULL;
+FALSE;
+
 NOT (NOT TRUE);
 TRUE;
 
diff --git a/tests/fixtures/pretty.sql b/tests/fixtures/pretty.sql
index 2570650..5e27b5e 100644
--- a/tests/fixtures/pretty.sql
+++ b/tests/fixtures/pretty.sql
@@ -287,3 +287,31 @@ SELECT
       "fffffff"
     )
   );
+/*
+  multi
+  line
+  comment
+*/
+SELECT * FROM foo;
+/*
+  multi
+  line
+  comment
+*/
+SELECT
+  *
+FROM foo;
+SELECT x FROM a.b.c /*x*/, e.f.g /*x*/;
+SELECT
+  x
+FROM a.b.c /* x */, e.f.g /* x */;
+SELECT x FROM (SELECT * FROM bla /*x*/WHERE id = 1) /*x*/;
+SELECT
+  x
+FROM (
+  SELECT
+    *
+  FROM bla /* x */
+  WHERE
+    id = 1
+) /* x */;