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https://issues.apache.org/jira/browse/HIVE-23031?focusedWorklogId=426873&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-426873
]
ASF GitHub Bot logged work on HIVE-23031:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 24/Apr/20 07:17
Start Date: 24/Apr/20 07:17
Worklog Time Spent: 10m
Work Description: kgyrtkirk commented on a change in pull request #988:
URL: https://github.com/apache/hive/pull/988#discussion_r414350369
##########
File path: common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
##########
@@ -2465,6 +2465,12 @@ private static void
populateLlapDaemonVarsSet(Set<String> llapDaemonVarsSetLocal
"If the number of references to a CTE clause exceeds this threshold,
Hive will materialize it\n" +
"before executing the main query block. -1 will disable this
feature."),
+
HIVE_OPTIMIZE_REWRITE_COUNTDISTINCT_ENABLED("hive.optimize.sketches.rewrite.countdistintct.enabled",
false,
+ "Enables to rewrite COUNT(DISTINCT(X)) queries to be rewritten to use
sketch functions."),
+
+
HIVE_OPTIMIZE_REWRITE_COUNT_DISTINCT_SKETCHCLASS("hive.optimize.sketches.rewrite.countdistintct.sketchclass",
"hll",
Review comment:
actually I'm not 100% satisified with the "sketch class" name; but it
was the best so far I've came up with. Do you have any suggestion - or it's
good enough?
some alternatives I was considering:
* sketch family - I think this is too wide
* sketch framework
* sketch class
* sketch type
* ?
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Issue Time Tracking
-------------------
Worklog Id: (was: 426873)
Time Spent: 0.5h (was: 20m)
> Add option to enable transparent rewrite of count(distinct) into sketch
> functions
> ---------------------------------------------------------------------------------
>
> Key: HIVE-23031
> URL: https://issues.apache.org/jira/browse/HIVE-23031
> Project: Hive
> Issue Type: Sub-task
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Attachments: HIVE-23031.01.patch, HIVE-23031.02.patch,
> HIVE-23031.03.patch, HIVE-23031.03.patch, HIVE-23031.03.patch
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
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