Merging upstream version 9.0.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

sqlglot/dialects/dialect.py

@@ -2,7 +2,7 @@ from enum import Enum
 
 from sqlglot import exp
 from sqlglot.generator import Generator
-from sqlglot.helper import list_get
+from sqlglot.helper import flatten, list_get
 from sqlglot.parser import Parser
 from sqlglot.time import format_time
 from sqlglot.tokens import Tokenizer
@@ -67,6 +67,11 @@ class _Dialect(type):
             klass.generator_class.TRANSFORMS[
                 exp.HexString
             ] = lambda self, e: f"{hs_start}{int(self.sql(e, 'this')):X}{hs_end}"
+        if klass.tokenizer_class._BYTE_STRINGS and exp.ByteString not in klass.generator_class.TRANSFORMS:
+            be_start, be_end = list(klass.tokenizer_class._BYTE_STRINGS.items())[0]
+            klass.generator_class.TRANSFORMS[
+                exp.ByteString
+            ] = lambda self, e: f"{be_start}{self.sql(e, 'this')}{be_end}"
 
         return klass
 
@@ -176,11 +181,7 @@ class Dialect(metaclass=_Dialect):
 
 def rename_func(name):
     def _rename(self, expression):
-        args = (
-            expression.expressions
-            if isinstance(expression, exp.Func) and expression.is_var_len_args
-            else expression.args.values()
-        )
+        args = flatten(expression.args.values())
         return f"{name}({self.format_args(*args)})"
 
     return _rename