fix(trino|presto): adding cast support for "hyperloglog" column type (#…

…3405)

* adding cast support for hyperloglog columns

* pushing missed files

* removing from token and data types.
Adding type mapping

* new line

* adding mapper in Keywords:
hyperloglog->token HLLSKETCH

sqlglot/dialects/presto.py

@@ -223,6 +223,7 @@ class Tokenizer(tokens.Tokenizer):
             "IPADDRESS": TokenType.IPADDRESS,
             "IPPREFIX": TokenType.IPPREFIX,
             "TDIGEST": TokenType.TDIGEST,
+            "HYPERLOGLOG": TokenType.HLLSKETCH,
         }
 
         KEYWORDS.pop("QUALIFY")
@@ -317,6 +318,7 @@ class Generator(generator.Generator):
             exp.DataType.Type.STRUCT: "ROW",
             exp.DataType.Type.DATETIME: "TIMESTAMP",
             exp.DataType.Type.DATETIME64: "TIMESTAMP",
+            exp.DataType.Type.HLLSKETCH: "HYPERLOGLOG",
         }
 
         TRANSFORMS = {

tests/dialects/test_presto.py

@@ -11,6 +11,7 @@ def test_cast(self):
         self.validate_identity("CAST(x AS IPADDRESS)")
         self.validate_identity("CAST(x AS IPPREFIX)")
         self.validate_identity("CAST(TDIGEST_AGG(1) AS TDIGEST)")
+        self.validate_identity("CAST(x AS HYPERLOGLOG)")
 
         self.validate_all(
             "CAST(x AS INTERVAL YEAR TO MONTH)",