Feat(duckdb): Add transpilation support for the negative integer args for BITNOT (#6490)

* feat(duckdb): Add transpilation support for the negative integer args for BITNOT

* Update sqlglot/dialects/duckdb.py

---------

Co-authored-by: Vaggelis Danias <daniasevangelos@gmail.com>

Author: fivetran-amrutabhimsenayachit

sqlglot/dialects/duckdb.py

@@ -1660,3 +1660,12 @@ def jsonextractscalar_sql(self, expression: exp.JSONExtractScalar) -> str:
                     this=rename_func("JSON_VALUE")(self, expression), expression="'$'"
                 )
             return _arrow_json_extract_sql(self, expression)
+
+        def bitwisenot_sql(self, expression: exp.BitwiseNot) -> str:
+            this = expression.this
+
+            # Wrap in parentheses to prevent parsing issues such as "SELECT ~-1"
+            if isinstance(this, exp.Neg):
+                this = exp.Paren(this=this)
+
+            return f"~{self.sql(this)}"

tests/dialects/test_snowflake.py

@@ -1437,6 +1437,13 @@ def test_snowflake(self):
         )
         self.validate_identity("SELECT BITNOT(a)")
         self.validate_identity("SELECT BIT_NOT(a)", "SELECT BITNOT(a)")
+        self.validate_all(
+            "SELECT BITNOT(-1)",
+            write={
+                "duckdb": "SELECT ~(-1)",
+                "snowflake": "SELECT BITNOT(-1)",
+            },
+        )
         self.validate_identity("SELECT BITAND(a, b)")
         self.validate_identity("SELECT BITAND(a, b, 'LEFT')")
         self.validate_identity("SELECT BIT_AND(a, b)", "SELECT BITAND(a, b)")