Merging upstream version 18.11.6.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/dialects/test_redshift.py b/tests/dialects/test_redshift.py
index ae1b987..9f2761f 100644
--- a/tests/dialects/test_redshift.py
+++ b/tests/dialects/test_redshift.py
@@ -273,6 +273,22 @@ class TestRedshift(Validator):
             "SELECT DATE_ADD('day', 1, DATE('2023-01-01'))",
             "SELECT DATEADD(day, 1, CAST(DATE('2023-01-01') AS DATE))",
         )
+        self.validate_identity(
+            """SELECT
+  c_name,
+  orders.o_orderkey AS orderkey,
+  index AS orderkey_index
+FROM customer_orders_lineitem AS c, c.c_orders AS orders AT index
+ORDER BY
+  orderkey_index""",
+            pretty=True,
+        )
+        self.validate_identity(
+            "SELECT attr AS attr, JSON_TYPEOF(val) AS value_type FROM customer_orders_lineitem AS c, UNPIVOT c.c_orders[0] WHERE c_custkey = 9451"
+        )
+        self.validate_identity(
+            "SELECT attr AS attr, JSON_TYPEOF(val) AS value_type FROM customer_orders_lineitem AS c, UNPIVOT c.c_orders AS val AT attr WHERE c_custkey = 9451"
+        )
 
     def test_values(self):
         # Test crazy-sized VALUES clause to UNION ALL conversion to ensure we don't get RecursionError