数据仓库服务 GAUSSDB(DWS)-功能函数:hll_add_rev(hll_hashval, hll)

时间:2024-01-26 16:15:21

hll_add_rev(hll_hashval, hll)

描述:把hll_hashval加入到hll中,和hll_add功能一样,只是参数位置进行了交换。

返回值类型:hll

示例:

1
2
3
4
5
SELECT hll_add_rev(hll_hash_integer(1), hll_empty());
       hll_add_rev        
--------------------------
 \x128b7f8895a3f5af28cafe
(1 row)
support.huaweicloud.com/sqlreference-820-dws/dws_06_0330.html