fix: use full list of reserved words

duckdb_engine/__init__.py

@@ -188,6 +188,18 @@ def index_warning() -> None:
 
 
 class DuckDBIdentifierPreparer(PGIdentifierPreparer):
+    def __init__(self, dialect: "Dialect", **kwargs: Any) -> None:
+        super().__init__(dialect, **kwargs)
+
+        self.reserved_words.update(
+            {
+                keyword_name
+                for (keyword_name,) in duckdb.execute(
+                    "select keyword_name from duckdb_keywords() where keyword_category == 'reserved'"
+                ).fetchall()
+            }
+        )
+
     def _separate(self, name: Optional[str]) -> Tuple[Optional[Any], Optional[str]]:
         """
         Get database name and schema name from schema if it contains a database name

duckdb_engine/tests/test_basic.py

@@ -22,6 +22,7 @@
     Sequence,
     String,
     Table,
+    column,
     create_engine,
     func,
     inspect,
@@ -682,3 +683,9 @@ class User(Base):
     session.execute(stmt)
 
     assert session.query(User).count() == 5
+
+
+def test_reserved_keywords(engine: Engine) -> None:
+    stmt = select(column("qualify"))
+
+    assert str(stmt.compile(engine)) == 'SELECT "qualify"'