GROUP_BIT_AND
Description
Performs a bitwise AND operation on all values in a single integer column or expression.
Syntax
GROUP_BIT_AND(<expr>)
Parameters
Parameter | Description |
---|---|
<expr> | Supports types: TinyInt, SmallInt, Integer, BigInt, LargeInt. |
Return Value
Returns an integer value of the same type as
Example
-- setup
create table group_bit(
value int
) distributed by hash(value) buckets 1
properties ("replication_num"="1");
insert into group_bit values
(3),
(1),
(2),
(4),
(NULL);
select group_bit_and(value) from group_bit;
+----------------------+
| group_bit_and(value) |
+----------------------+
| 0 |
+----------------------+
select group_bit_and(value) from group_bit where value is null;
+----------------------+
| group_bit_and(value) |
+----------------------+
| NULL |
+----------------------+