fix double read as float issue 18 (#19)

Signed-off-by: Steve Sloan <[email protected]>

Author: up-stevesloan

src/databricks/sqlalchemy/_parse.py

@@ -309,7 +309,7 @@ def get_comment_from_dte_output(dte_output: List[Dict[str, str]]) -> Optional[st
     "int": sqlalchemy.types.Integer,
     "bigint": sqlalchemy.types.BigInteger,
     "float": sqlalchemy.types.Float,
-    "double": sqlalchemy.types.Float,
+    "double": sqlalchemy.types.Double,
     "string": sqlalchemy.types.String,
     "varchar": sqlalchemy.types.String,
     "char": sqlalchemy.types.String,