[GitHub] [doris-website] cambyzju commented on a diff in pull request #97: add bitmap_count

[GitBox <gi...@apache.org>]

cambyzju commented on code in PR #97:
URL: https://github.com/apache/doris-website/pull/97#discussion_r969581523


##########
docs/sql-manual/sql-functions/bitmap-functions/bitmap_count.md:
##########
@@ -0,0 +1,57 @@
+---
+{
+    "title": "bitmap_count",
+    "language": "en"
+}
+---
+
+<!-- 
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+## bitmap_count
+### description
+#### Syntax
+
+`BITMAP BITMAP_COUNT(BITMAP lhs)`
+
+Returns the number of input bitmaps。
+
+### example
+
+```
+mysql> select bitmap_count(to_bitmap(1)) cnt;
++------+
+| cnt  |
++------+
+|    1 |
++------+
+
+mysql> select bitmap_count(bitmap_and(to_bitmap(1), to_bitmap(1))) cnt;
++------+
+| cnt  |
++------+
+|    1 |
++------+
+
+```
+
+### keywords
+
+    BITMAP_COUNT

Review Comment:
   ```suggestion
       BITMAP_COUNT,BITMAP
   ```



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