Fucun Chu has uploaded a new patch set (#3). ( 
http://gerrit.cloudera.org:8080/17179 )

Change subject: IMPALA-10580: Implement ds_theta_union_f() function
......................................................................

IMPALA-10580: Implement ds_theta_union_f() function

This function receives two strings that are serialized Apache
DataSketches Theta sketches. Union two sketches and returns the
resulting sketch of union.

Example:
select ds_theta_estimate(ds_theta_union_f(sketch1, sketch2))
from sketch_tbl;
+-------------------------------------------------------+
| ds_theta_estimate(ds_theta_union_f(sketch1, sketch2)) |
+-------------------------------------------------------+
| 15                                                    |
+-------------------------------------------------------+

Change-Id: I8329979b81ceeaad739a43fab79768ca9c2916fa
---
M be/src/exprs/datasketches-functions-ir.cc
M be/src/exprs/datasketches-functions.h
M common/function-registry/impala_functions.py
M testdata/workloads/functional-query/queries/QueryTest/datasketches-theta.test
4 files changed, 111 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/Impala-ASF refs/changes/79/17179/3
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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: I8329979b81ceeaad739a43fab79768ca9c2916fa
Gerrit-Change-Number: 17179
Gerrit-PatchSet: 3
Gerrit-Owner: Fucun Chu <chufu...@hotmail.com>
Gerrit-Reviewer: Gabor Kaszab <gaborkas...@cloudera.com>
Gerrit-Reviewer: Impala Public Jenkins <impala-public-jenk...@cloudera.com>

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