1 files changed, 12 insertions, 0 deletions
diff --git a/tests/fixtures/optimizer/canonicalize.sql b/tests/fixtures/optimizer/canonicalize.sql
index 1fc44ef..e27b2d3 100644
--- a/tests/fixtures/optimizer/canonicalize.sql
+++ b/tests/fixtures/optimizer/canonicalize.sql
@@ -28,3 +28,15 @@ SELECT "x"."a" AS "a" FROM "x" AS "x" GROUP BY "x"."a" HAVING SUM("x"."b") <> 0
 
 SELECT a FROM x WHERE 1;
 SELECT "x"."a" AS "a" FROM "x" AS "x" WHERE 1 <> 0;
+
+--------------------------------------
+-- Replace date functions
+--------------------------------------
+DATE('2023-01-01');
+CAST('2023-01-01' AS DATE);
+
+TIMESTAMP('2023-01-01');
+CAST('2023-01-01' AS TIMESTAMP);
+
+TIMESTAMP('2023-01-01', '12:00:00');
+TIMESTAMP('2023-01-01', '12:00:00');