fix(clickhouse)!: support and, or (#6625)

* support: and, or

* update tests

Author: AbhishekASLK

sqlglot/dialects/clickhouse.py

@@ -565,6 +565,8 @@ class Parser(parser.Parser):
             "MEDIAN": lambda self: self._parse_quantile(),
             "COLUMNS": lambda self: self._parse_columns(),
             "TUPLE": lambda self: exp.Struct.from_arg_list(self._parse_function_args(alias=True)),
+            "AND": lambda self: exp.and_(*self._parse_function_args(alias=False)),
+            "OR": lambda self: exp.or_(*self._parse_function_args(alias=False)),
         }
 
         FUNCTION_PARSERS.pop("MATCH")

tests/dialects/test_clickhouse.py

@@ -675,6 +675,10 @@ def test_clickhouse(self):
             "SELECT quantilesExactExclusive(0.25, 0.5, 0.75)(x) AS y FROM (SELECT number AS x FROM num)"
         )
 
+        self.validate_identity("SELECT or(0, 1, -2)", "SELECT 0 OR 1 OR -2")
+        self.validate_identity("SELECT and(1, 2, 3)", "SELECT 1 AND 2 AND 3")
+        self.validate_identity("SELECT or(and(3, 0), 5)", "SELECT (3 AND 0) OR 5")
+
     def test_clickhouse_values(self):
         ast = self.parse_one("SELECT * FROM VALUES (1, 2, 3)")
         self.assertEqual(len(list(ast.find_all(exp.Tuple))), 4)