Feat(singlestore)!: support RECORD type (#6635)

Author: AbhishekASLK

sqlglot/dialects/singlestore.py

@@ -82,6 +82,7 @@ class Tokenizer(MySQL.Tokenizer):
             "::$": TokenType.DCOLONDOLLAR,
             "::%": TokenType.DCOLONPERCENT,
             "::?": TokenType.DCOLONQMARK,
+            "RECORD": TokenType.STRUCT,
         }
 
     class Parser(MySQL.Parser):
@@ -328,6 +329,7 @@ class Generator(MySQL.Generator):
         SUPPORTS_UESCAPE = False
         NULL_ORDERING_SUPPORTED = True
         MATCH_AGAINST_TABLE_PREFIX = "TABLE "
+        STRUCT_DELIMITER = ("(", ")")
 
         @staticmethod
         def _unicode_substitute(m: re.Match[str]) -> str:
@@ -613,7 +615,6 @@ def _unicode_substitute(m: re.Match[str]) -> str:
             exp.DataType.Type.SERIAL,
             exp.DataType.Type.SMALLSERIAL,
             exp.DataType.Type.SMALLMONEY,
-            exp.DataType.Type.STRUCT,
             exp.DataType.Type.SUPER,
             exp.DataType.Type.TIMETZ,
             exp.DataType.Type.TIMESTAMPNTZ,
@@ -654,6 +655,7 @@ def _unicode_substitute(m: re.Match[str]) -> str:
             exp.DataType.Type.LINESTRING: "GEOGRAPHY",
             exp.DataType.Type.POLYGON: "GEOGRAPHY",
             exp.DataType.Type.MULTIPOLYGON: "GEOGRAPHY",
+            exp.DataType.Type.STRUCT: "RECORD",
             exp.DataType.Type.JSONB: "BSON",
             exp.DataType.Type.TIMESTAMP: "TIMESTAMP",
             exp.DataType.Type.TIMESTAMP_S: "TIMESTAMP",

tests/dialects/test_singlestore.py

@@ -20,6 +20,7 @@ def test_singlestore(self):
         self.validate_identity("SELECT 1")
         self.validate_identity("SELECT * FROM `users` ORDER BY ALL")
         self.validate_identity("SELECT ELT(2, 'foo', 'bar', 'baz')")
+        self.validate_identity("SELECT TO_JSON(ROW(1, 2) :> RECORD(a INT, b INT))")
 
     def test_byte_strings(self):
         self.validate_identity("SELECT e'text'")