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https://issues.apache.org/jira/browse/HIVE-4258?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Phabricator updated HIVE-4258:
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Attachment: HIVE-4258.D9801.1.patch
navis requested code review of "HIVE-4258 [jira] Log logical plan tree for
debugging".
Reviewers: JIRA
HIVE-4258 Log logical plan tree for debugging
Debugging or implementing optimizer, knowing the shape of logical plan helps
general progress of it.
For example,
select count(val) from (select a.key as key, b.value as array_val from src a
join array_valued_src b on a.key=b.key) i lateral view explode (array_val) c as
val
TS[1]-RS[2]-JOIN[4]-SEL[5]-LVF[6]-SEL[7]-LVJ[10]-SEL[11]-GBY[12]-RS[13]-GBY[14]-SEL[15]-FS[16]
-SEL[8]-UDTF[9]-LVJ[10]
TS[0]-RS[3]-JOIN[4]
TEST PLAN
EMPTY
REVISION DETAIL
https://reviews.facebook.net/D9801
AFFECTED FILES
ql/src/java/org/apache/hadoop/hive/ql/exec/Operator.java
ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
MANAGE HERALD RULES
https://reviews.facebook.net/herald/view/differential/
WHY DID I GET THIS EMAIL?
https://reviews.facebook.net/herald/transcript/23403/
To: JIRA, navis
> Log logical plan tree for debugging
> -----------------------------------
>
> Key: HIVE-4258
> URL: https://issues.apache.org/jira/browse/HIVE-4258
> Project: Hive
> Issue Type: Improvement
> Components: Diagnosability
> Reporter: Navis
> Assignee: Navis
> Priority: Trivial
> Attachments: HIVE-4258.D9801.1.patch
>
>
> Debugging or implementing optimizer, knowing the shape of logical plan helps
> general progress of it.
> For example,
> select count(val) from (select a.key as key, b.value as array_val from src a
> join array_valued_src b on a.key=b.key) i lateral view explode (array_val) c
> as val
> {noformat}
> TS[1]-RS[2]-JOIN[4]-SEL[5]-LVF[6]-SEL[7]-LVJ[10]-SEL[11]-GBY[12]-RS[13]-GBY[14]-SEL[15]-FS[16]
> -SEL[8]-UDTF[9]-LVJ[10]
> TS[0]-RS[3]-JOIN[4]
> {noformat}
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