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https://issues.apache.org/jira/browse/HIVE-21160?focusedWorklogId=777258&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-777258
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ASF GitHub Bot logged work on HIVE-21160:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 02/Jun/22 02:42
Start Date: 02/Jun/22 02:42
Worklog Time Spent: 10m
Work Description: kasakrisz commented on code in PR #2855:
URL: https://github.com/apache/hive/pull/2855#discussion_r877908690
##########
common/src/java/org/apache/hadoop/hive/conf/HiveConf.java:
##########
@@ -3392,11 +3392,19 @@ public static enum ConfVars {
MERGE_CARDINALITY_VIOLATION_CHECK("hive.merge.cardinality.check", true,
"Set to true to ensure that each SQL Merge statement ensures that for
each row in the target\n" +
"table there is at most 1 matching row in the source table per SQL
Specification."),
+ SPLIT_UPDATE("hive.split.update", true,
Review Comment:
Updating larger datasets the split update can perform better and this is
also a precondition to enable updating partition and bucketing keys.
Issue Time Tracking
-------------------
Worklog Id: (was: 777258)
Time Spent: 3h 20m (was: 3h 10m)
> Rewrite Update statement as Multi-insert and do Update split early
> ------------------------------------------------------------------
>
> Key: HIVE-21160
> URL: https://issues.apache.org/jira/browse/HIVE-21160
> Project: Hive
> Issue Type: Sub-task
> Components: Transactions
> Affects Versions: 3.0.0
> Reporter: Eugene Koifman
> Assignee: Krisztian Kasa
> Priority: Major
> Labels: pull-request-available
> Time Spent: 3h 20m
> Remaining Estimate: 0h
>
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