You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues-all@impala.apache.org by "Fucun Chu (Jira)" <ji...@apache.org> on 2021/03/10 14:02:00 UTC
[jira] [Created] (IMPALA-10581) Implement ds_theta_intersect_f()
function
Fucun Chu created IMPALA-10581:
----------------------------------
Summary: Implement ds_theta_intersect_f() function
Key: IMPALA-10581
URL: https://issues.apache.org/jira/browse/IMPALA-10581
Project: IMPALA
Issue Type: New Feature
Components: Backend, Frontend
Reporter: Fucun Chu
Assignee: Fucun Chu
This function receives two strings that are serialized Apache DataSketches Theta sketches. Computes the intersection of two sketches of same or different column and returns the resulting sketch of intersection.
Example:
{code:java}
select ds_theta_estimate(ds_theta_intersect_f(sketch1, sketch2))
from sketch_tbl;
+-----------------------------------------------------------+
| ds_theta_estimate(ds_theta_intersect_f(sketch1, sketch2)) |
+-----------------------------------------------------------+
| 5 |
+-----------------------------------------------------------+{code}
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-all-unsubscribe@impala.apache.org
For additional commands, e-mail: issues-all-help@impala.apache.org