jacktengg commented on code in PR #21721:
URL: https://github.com/apache/doris/pull/21721#discussion_r1260478780
##########
docs/en/docs/sql-manual/sql-functions/bitmap-functions/bitmap_or.md:
##########
@@ -35,42 +35,49 @@ Compute union of two or more input bitmaps, returns the new
bitmap.
### example
```
-mysql> select bitmap_count(bitmap_or(to_bitmap(1), to_bitmap(2))) cnt;
+mysql> select bitmap_count(bitmap_or(to_bitmap(1), to_bitmap(1))) cnt;
+------+
| cnt |
+------+
-| 2 |
+| 1 |
+------+
-mysql> select bitmap_count(bitmap_or(to_bitmap(1), to_bitmap(1))) cnt;
+mysql> select bitmap_to_string(bitmap_or(to_bitmap(1), to_bitmap(1))) ;
++---------------------------------------------------------+
+| bitmap_to_string(bitmap_or(to_bitmap(1), to_bitmap(1))) |
++---------------------------------------------------------+
+| 1 |
++---------------------------------------------------------+
+
+mysql> select bitmap_count(bitmap_or(to_bitmap(1), to_bitmap(2))) cnt;
+------+
| cnt |
+------+
-| 1 |
+| 2 |
+------+
-MySQL> select bitmap_to_string(bitmap_or(to_bitmap(1), to_bitmap(2)));
+mysql> select bitmap_to_string(bitmap_or(to_bitmap(1), to_bitmap(2)));
+---------------------------------------------------------+
| bitmap_to_string(bitmap_or(to_bitmap(1), to_bitmap(2))) |
+---------------------------------------------------------+
| 1,2 |
+---------------------------------------------------------+
-MySQL> select bitmap_to_string(bitmap_or(to_bitmap(1), to_bitmap(2),
to_bitmap(10), to_bitmap(0), NULL));
+mysql> select bitmap_to_string(bitmap_or(to_bitmap(1), to_bitmap(2),
to_bitmap(10), to_bitmap(0), NULL));
Review Comment:
The reslt of this example is wrong, it should be:
```
mysql [(none)]>select bitmap_to_string(bitmap_or(to_bitmap(1), to_bitmap(2),
to_bitmap(10), to_bitmap(0), NULL));
+--------------------------------------------------------------------------------------------+
| bitmap_to_string(bitmap_or(to_bitmap(1), to_bitmap(2), to_bitmap(10),
to_bitmap(0), NULL)) |
+--------------------------------------------------------------------------------------------+
| 0,1,2,10
|
+--------------------------------------------------------------------------------------------+
1 row in set (0.03 sec)
```
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