Merge pull request #10744 from soyeric128/concat-fix

docs: fix concat and concat_ws

Author: BohuTANG

docs/doc/15-sql-functions/40-string-functions/concat.md

@@ -37,29 +37,10 @@ SELECT CONCAT('data', NULL, 'bend');
 |                         NULL |
 +------------------------------+
 
-SELECT CONCAT(14.3);
-+--------------+
-| concat(14.3) |
-+--------------+
-| 14.3         |
-+--------------+
-
-SELECT CONCAT(number, 'a', number+1) FROM NUMBERS(3) ORDER BY number;
-+-----------------------------------+
-| CONCAT(number, 'a', (number + 1)) |
-+-----------------------------------+
-| 0a1                               |
-| 1a2                               |
-| 2a3                               |
-+-----------------------------------+
-
-SELECT CONCAT(number, NULL) from numbers(4);
-+----------------------+
-| CONCAT(number, NULL) |
-+----------------------+
-|                 NULL |
-|                 NULL |
-|                 NULL |
-|                 NULL |
-+----------------------+
-```
+SELECT CONCAT('14.3');
++----------------+
+| concat('14.3') |
++----------------+
+| 14.3           |
++----------------+
+```

docs/doc/15-sql-functions/40-string-functions/concat_ws.md

@@ -26,12 +26,12 @@ A String data type value Or Null data type.
 ## Examples
 
 ```sql
-SELECT CONCAT_WS(',', 'data', 'fuse', 'labs', 2021);
-+----------------------------------------------+
-| CONCAT_WS(',', 'data', 'fuse', 'labs', 2021) |
-+----------------------------------------------+
-| data,fuse,labs,2021                          |
-+----------------------------------------------+
+SELECT CONCAT_WS(',', 'data', 'fuse', 'labs', '2021');
++------------------------------------------------+
+| CONCAT_WS(',', 'data', 'fuse', 'labs', '2021') |
++------------------------------------------------+
+| data,fuse,labs,2021                            |
++------------------------------------------------+
 
 SELECT CONCAT_WS(',', 'data', NULL, 'bend');
 +--------------------------------------+
@@ -56,29 +56,10 @@ SELECT CONCAT_WS(NULL, 'data', 'fuse', 'labs');
 |                                    NULL |
 +-----------------------------------------+
 
-SELECT CONCAT_WS(',', number, 'data', number+1) from numbers(3) order by number;
-+----------------------------------------------+
-| CONCAT_WS(',', number, 'data', (number + 1)) |
-+----------------------------------------------+
-| 0,data,1                                     |
-| 1,data,2                                     |
-| 2,data,3                                     |
-+----------------------------------------------+
-
-SELECT CONCAT_WS(NULL, number, 'data') from numbers(3);
-+---------------------------------+
-| CONCAT_WS(NULL, number, 'data') |
-+---------------------------------+
-|                            NULL |
-|                            NULL |
-|                            NULL |
-+---------------------------------+
-
-
 SELECT CONCAT_WS(',', NULL);
 +----------------------+
 | CONCAT_WS(',', NULL) |
 +----------------------+
 |                      |
 +----------------------+
-```
+```