ClickHouse/docs/zh/sql-reference/aggregate-functions/reference/groupbitor.md
2021-03-25 17:09:19 +08:00

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---
toc_priority: 126
---
# groupBitOr {#groupbitor}
对于数字序列按位应用 `OR`
**语法**
``` sql
groupBitOr(expr)
```
**参数**
`expr` 结果为 `UInt*` 类型的表达式。
**返回值**
`UInt*` 类型的值。
**示例**
测试数据::
``` text
binary decimal
00101100 = 44
00011100 = 28
00001101 = 13
01010101 = 85
```
查询:
``` sql
SELECT groupBitOr(num) FROM t
```
`num` 是包含测试数据的列。
结果:
``` text
binary decimal
01111101 = 125
```