mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-08 16:42:04 +00:00
7170f3c534
* prefer relative links from root * wip * split aggregate function reference * split system tables
47 lines
519 B
Markdown
47 lines
519 B
Markdown
---
|
||
toc_priority: 125
|
||
---
|
||
|
||
# groupBitAnd {#groupbitand}
|
||
|
||
Applies bitwise `AND` for series of numbers.
|
||
|
||
``` sql
|
||
groupBitAnd(expr)
|
||
```
|
||
|
||
**Parameters**
|
||
|
||
`expr` – An expression that results in `UInt*` type.
|
||
|
||
**Return value**
|
||
|
||
Value of the `UInt*` type.
|
||
|
||
**Example**
|
||
|
||
Test data:
|
||
|
||
``` text
|
||
binary decimal
|
||
00101100 = 44
|
||
00011100 = 28
|
||
00001101 = 13
|
||
01010101 = 85
|
||
```
|
||
|
||
Query:
|
||
|
||
``` sql
|
||
SELECT groupBitAnd(num) FROM t
|
||
```
|
||
|
||
Where `num` is the column with the test data.
|
||
|
||
Result:
|
||
|
||
``` text
|
||
binary decimal
|
||
00000100 = 4
|
||
```
|