feat: upgrade to 0.5.2

Author: hantmac

databend_py/VERSION

@@ -1 +1 @@
-0.5.1
+0.5.2

docs/connection.md

@@ -21,16 +21,18 @@ client = Client(
 
 ### Parameter References
 
-| Parameter         | Description                                                                                              | Default | example                                                   |
-|-------------------|----------------------------------------------------------------------------------------------------------|---------|-----------------------------------------------------------|
-| user              | username                                                                                                 | root    |                                                           | 
-| password          | password                                                                                                 | None    |                                                           |                  | 
-| port              | server port                                                                                              | None    |                                                           |
-| database          | selected database                                                                                        | default |     
-| secure            | Enable SSL                                                                                               | false   | http://root@localhost:8000/db?secure=False                |
-| copy_purge        | If True, the command will purge the files in the stage after they are loaded successfully into the table | false   | http://root@localhost:8000/db?copy_purge=False            |
-| debug             | Enable debug log                                                                                         | False   | http://root@localhost:8000/db?debug=True                  |
-| persist_cookies   | if using cookies set by server to perform following requests.                                            | False   | http://root@localhost:8000/db?persist_cookies=True        |
-| null_to_none      | if the result data NULL which is of type str, change it to NoneType                                      | False   | http://root@localhost:8000/db?null_to_none=True           |
-| connect_timeout   | timeout seconds when connect to databend                                                                 | 20      | http://root:root@localhost:8000/db?connect_timeout=30     |
+| Parameter       | Description                                                                                              | Default | example                                               |
+|-----------------|----------------------------------------------------------------------------------------------------------|---------|-------------------------------------------------------|
+| user            | username                                                                                                 | root    |                                                       | 
+| password        | password                                                                                                 | None    |                                                       |                  | 
+| port            | server port                                                                                              | None    |                                                       |
+| database        | selected database                                                                                        | default |     
+| secure          | Enable SSL                                                                                               | false   | http://root@localhost:8000/db?secure=False            |
+| copy_purge      | If True, the command will purge the files in the stage after they are loaded successfully into the table | false   | http://root@localhost:8000/db?copy_purge=False        |
+| debug           | Enable debug log                                                                                         | False   | http://root@localhost:8000/db?debug=True              |
+| persist_cookies | if using cookies set by server to perform following requests.                                            | False   | http://root@localhost:8000/db?persist_cookies=True    |
+| null_to_none    | if the result data NULL which is of type str, change it to NoneType                                      | False   | http://root@localhost:8000/db?null_to_none=True       |
+| connect_timeout | timeout seconds when connect to databend                                                                 | 20      | http://root:root@localhost:8000/db?connect_timeout=30 |
+| read_timeout    | timeout seconds when read from server                                                                    | 20      | http://root:root@localhost:8000/db?read_timeout=30    |
+