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https://issues.apache.org/jira/browse/HIVE-21172?focusedWorklogId=696535&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-696535
]
ASF GitHub Bot logged work on HIVE-21172:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 15/Dec/21 11:16
Start Date: 15/Dec/21 11:16
Worklog Time Spent: 10m
Work Description: kgyrtkirk commented on a change in pull request #2857:
URL: https://github.com/apache/hive/pull/2857#discussion_r769529649
##########
File path: ql/src/test/results/clientpositive/llap/explain_locks.q.out
##########
@@ -233,20 +221,14 @@ POSTHOOK: Input: default@target@p=2/q=2
POSTHOOK: Output: default@merge_tmp_table
POSTHOOK: Output: default@target
POSTHOOK: Output: default@target@p=1/q=2
-POSTHOOK: Output: default@target@p=1/q=2
-POSTHOOK: Output: default@target@p=1/q=3
POSTHOOK: Output: default@target@p=1/q=3
POSTHOOK: Output: default@target@p=2/q=2
-POSTHOOK: Output: default@target@p=2/q=2
LOCK INFORMATION:
default.source -> SHARED_READ
default.target.p=1/q=2 -> SHARED_READ
default.target.p=1/q=3 -> SHARED_READ
default.target.p=2/q=2 -> SHARED_READ
default.target.p=2/q=2 -> SHARED_WRITE
-default.target.p=2/q=2 -> SHARED_WRITE
Review comment:
thank you for the explanation
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Issue Time Tracking
-------------------
Worklog Id: (was: 696535)
Time Spent: 1h 10m (was: 1h)
> DEFAULT keyword handling in MERGE UPDATE clause issues
> ------------------------------------------------------
>
> Key: HIVE-21172
> URL: https://issues.apache.org/jira/browse/HIVE-21172
> Project: Hive
> Issue Type: Sub-task
> Components: SQL, Transactions
> Affects Versions: 4.0.0
> Reporter: Eugene Koifman
> Assignee: Krisztian Kasa
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> once HIVE-21159 lands, enable {{HiveConf.MERGE_SPLIT_UPDATE}} and run these
> tests.
> TestMiniLlapLocalCliDriver.testCliDriver[sqlmerge_stats]
> mvn test -Dtest=TestMiniLlapLocalCliDriver
> -Dqfile=insert_into_default_keyword.q
> Merge is rewritten as a multi-insert. When Update clause has DEFAULT, it's
> not properly replaced with a value in the muli-insert - it's treated as a
> literal
> {noformat}
> INSERT INTO `default`.`acidTable` -- update clause(insert part)
> SELECT `t`.`key`, `DEFAULT`, `t`.`value`
> WHERE `t`.`key` = `s`.`key` AND `s`.`key` > 3 AND NOT(`s`.`key` < 3)
> {noformat}
> See {{LOG.info("Going to reparse <" + originalQuery + "> as \n<" +
> rewrittenQueryStr.toString() + ">");}} in hive.log
> {{MergeSemanticAnalyzer.replaceDefaultKeywordForMerge()}} is only called in
> {{handleInsert}} but not {{handleUpdate()}}. Why does issue only show up with
> {{MERGE_SPLIT_UPDATE}}?
> Once this is fixed, HiveConf.MERGE_SPLIT_UPDATE should be true by default
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