---
{
    "title": "bitmap_contains",
    "language": "zh-CN"
}
---

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# bitmap_contains
## description
### Syntax

`B00LEAN BITMAP_CONTAINS(BITMAP bitmap, BIGINT input)`

计算输入值是否在Bitmap列中，返回值是Boolean值.

## example

```
mysql> select bitmap_contains(to_bitmap(1),2) cnt;
+------+
| cnt  |
+------+
|    0 |
+------+

mysql> select bitmap_contains(to_bitmap(1),1) cnt;
+------+
| cnt  |
+------+
|    1 |
+------+
```

## keyword

    BITMAP_CONTAINS,BITMAP