1 files changed, 20 insertions, 0 deletions
diff --git a/tests/dialects/test_doris.py b/tests/dialects/test_doris.py
new file mode 100644
index 0000000..63325a6
--- /dev/null
+++ b/tests/dialects/test_doris.py
@@ -0,0 +1,20 @@
+from tests.dialects.test_dialect import Validator
+
+
+class TestDoris(Validator):
+    dialect = "doris"
+
+    def test_identity(self):
+        self.validate_identity("SELECT CAST(`a`.`b` AS INT) FROM foo")
+        self.validate_identity("SELECT APPROX_COUNT_DISTINCT(a) FROM x")
+
+    def test_time(self):
+        self.validate_identity("TIMESTAMP('2022-01-01')")
+
+    def test_regex(self):
+        self.validate_all(
+            "SELECT REGEXP_LIKE(abc, '%foo%')",
+            write={
+                "doris": "SELECT REGEXP(abc, '%foo%')",
+            },
+        )