From 9dae42c19381cf27dc56bd932aebd780aa66722b Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 11 Jun 2023 14:46:06 +0200
Subject: Adding upstream version 15.2.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/dialects/test_redshift.py | 41 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 40 insertions(+), 1 deletion(-)

(limited to 'tests/dialects/test_redshift.py')

diff --git a/tests/dialects/test_redshift.py b/tests/dialects/test_redshift.py
index 6707b7a..f4efe24 100644
--- a/tests/dialects/test_redshift.py
+++ b/tests/dialects/test_redshift.py
@@ -10,6 +10,16 @@ class TestRedshift(Validator):
         self.validate_identity("foo$")
         self.validate_identity("$foo")
 
+        self.validate_all(
+            "SELECT STRTOL('abc', 16)",
+            read={
+                "trino": "SELECT FROM_BASE('abc', 16)",
+            },
+            write={
+                "redshift": "SELECT STRTOL('abc', 16)",
+                "trino": "SELECT FROM_BASE('abc', 16)",
+            },
+        )
         self.validate_all(
             "SELECT SNAPSHOT, type",
             write={
@@ -18,6 +28,35 @@ class TestRedshift(Validator):
             },
         )
 
+        self.validate_all(
+            "x is true",
+            write={
+                "redshift": "x IS TRUE",
+                "presto": "x",
+            },
+        )
+        self.validate_all(
+            "x is false",
+            write={
+                "redshift": "x IS FALSE",
+                "presto": "NOT x",
+            },
+        )
+        self.validate_all(
+            "x is not false",
+            write={
+                "redshift": "NOT x IS FALSE",
+                "presto": "NOT NOT x",
+            },
+        )
+        self.validate_all(
+            "LEN(x)",
+            write={
+                "redshift": "LENGTH(x)",
+                "presto": "LENGTH(x)",
+            },
+        )
+
         self.validate_all(
             "SELECT SYSDATE",
             write={
@@ -141,7 +180,7 @@ class TestRedshift(Validator):
             "DATEDIFF('day', a, b)",
             write={
                 "redshift": "DATEDIFF(day, a, b)",
-                "presto": "DATE_DIFF('day', a, b)",
+                "presto": "DATE_DIFF('day', CAST(SUBSTR(CAST(a AS VARCHAR), 1, 10) AS DATE), CAST(SUBSTR(CAST(b AS VARCHAR), 1, 10) AS DATE))",
             },
         )
         self.validate_all(
-- 
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