1 files changed, 75 insertions, 0 deletions
diff --git a/tests/dialects/test_presto.py b/tests/dialects/test_presto.py
index 098ad2b..8179cf7 100644
--- a/tests/dialects/test_presto.py
+++ b/tests/dialects/test_presto.py
@@ -178,6 +178,15 @@ class TestPresto(Validator):
             },
         )
         self.validate_all(
+            "CREATE TABLE test STORED = 'PARQUET' AS SELECT 1",
+            write={
+                "duckdb": "CREATE TABLE test AS SELECT 1",
+                "presto": "CREATE TABLE test WITH (FORMAT='PARQUET') AS SELECT 1",
+                "hive": "CREATE TABLE test STORED AS PARQUET AS SELECT 1",
+                "spark": "CREATE TABLE test USING PARQUET AS SELECT 1",
+            },
+        )
+        self.validate_all(
             "CREATE TABLE test WITH (FORMAT = 'PARQUET', X = '1', Z = '2') AS SELECT 1",
             write={
                 "duckdb": "CREATE TABLE test AS SELECT 1",
@@ -427,3 +436,69 @@ class TestPresto(Validator):
                 "spark": UnsupportedError,
             },
         )
+        self.validate_identity("START TRANSACTION READ WRITE, ISOLATION LEVEL SERIALIZABLE")
+        self.validate_identity("START TRANSACTION ISOLATION LEVEL REPEATABLE READ")
+
+    def test_encode_decode(self):
+        self.validate_all(
+            "TO_UTF8(x)",
+            write={
+                "spark": "ENCODE(x, 'utf-8')",
+            },
+        )
+        self.validate_all(
+            "FROM_UTF8(x)",
+            write={
+                "spark": "DECODE(x, 'utf-8')",
+            },
+        )
+        self.validate_all(
+            "ENCODE(x, 'utf-8')",
+            write={
+                "presto": "TO_UTF8(x)",
+            },
+        )
+        self.validate_all(
+            "DECODE(x, 'utf-8')",
+            write={
+                "presto": "FROM_UTF8(x)",
+            },
+        )
+        self.validate_all(
+            "ENCODE(x, 'invalid')",
+            write={
+                "presto": UnsupportedError,
+            },
+        )
+        self.validate_all(
+            "DECODE(x, 'invalid')",
+            write={
+                "presto": UnsupportedError,
+            },
+        )
+
+    def test_hex_unhex(self):
+        self.validate_all(
+            "TO_HEX(x)",
+            write={
+                "spark": "HEX(x)",
+            },
+        )
+        self.validate_all(
+            "FROM_HEX(x)",
+            write={
+                "spark": "UNHEX(x)",
+            },
+        )
+        self.validate_all(
+            "HEX(x)",
+            write={
+                "presto": "TO_HEX(x)",
+            },
+        )
+        self.validate_all(
+            "UNHEX(x)",
+            write={
+                "presto": "FROM_HEX(x)",
+            },
+        )