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https://issues.apache.org/jira/browse/HIVE-3582?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Phabricator updated HIVE-3582:
------------------------------
Attachment: HIVE-3582.D6051.1.patch
navis requested code review of "HIVE-3582 [jira] NPE in union processing
followed by lateral view followed by 2 group bys".
Reviewers: JIRA
DPAL-1915 NPE in union processing followed by lateral view followed by 2
group bys
EXPLAIN
SELECT e.key, e.arr_ele, count(1) FROM (
SELECT d.key as key, d.arr_ele as arr_ele, d.value as value, count(1) as
cnt FROM (
SELECT c.arr_ele as arr_ele, a.key as key, a.value as value FROM (
SELECT key, value, array(1,2,3) as arr
FROM src
UNION ALL
SELECT key, value, array(1,2,3) as arr
FROM srcpart
WHERE ds = '2008-04-08' and hr='12'
) a LATERAL VIEW EXPLODE(arr) c AS arr_ele
) d group by d.key, d.arr_ele, d.value
) e group by e.key, e.arr_ele;
TEST PLAN
EMPTY
REVISION DETAIL
https://reviews.facebook.net/D6051
AFFECTED FILES
ql/src/java/org/apache/hadoop/hive/ql/lib/Utils.java
ql/src/java/org/apache/hadoop/hive/ql/optimizer/GenMRFileSink1.java
ql/src/java/org/apache/hadoop/hive/ql/optimizer/GenMRRedSink1.java
ql/src/java/org/apache/hadoop/hive/ql/optimizer/GenMRRedSink2.java
ql/src/java/org/apache/hadoop/hive/ql/optimizer/GenMRRedSink3.java
ql/src/java/org/apache/hadoop/hive/ql/optimizer/GenMRRedSink4.java
ql/src/java/org/apache/hadoop/hive/ql/optimizer/GenMapRedUtils.java
ql/src/java/org/apache/hadoop/hive/ql/optimizer/MapJoinFactory.java
ql/src/test/queries/clientpositive/union_lateralview2.q
ql/src/test/results/clientpositive/union_lateralview2.q.out
MANAGE HERALD DIFFERENTIAL RULES
https://reviews.facebook.net/herald/view/differential/
WHY DID I GET THIS EMAIL?
https://reviews.facebook.net/herald/transcript/14469/
To: JIRA, navis
> NPE in union processing followed by lateral view followed by 2 group bys
> ------------------------------------------------------------------------
>
> Key: HIVE-3582
> URL: https://issues.apache.org/jira/browse/HIVE-3582
> Project: Hive
> Issue Type: Bug
> Components: Query Processor
> Reporter: Namit Jain
> Assignee: Navis
> Attachments: HIVE-3582.D6051.1.patch
>
>
> EXPLAIN
> SELECT e.key, e.arr_ele, count(1) FROM (
> SELECT d.key as key, d.arr_ele as arr_ele, d.value as value, count(1) as
> cnt FROM (
> SELECT c.arr_ele as arr_ele, a.key as key, a.value as value FROM (
> SELECT key, value, array(1,2,3) as arr
> FROM src
> UNION ALL
>
> SELECT key, value, array(1,2,3) as arr
> FROM srcpart
> WHERE ds = '2008-04-08' and hr='12'
> ) a LATERAL VIEW EXPLODE(arr) c AS arr_ele
> ) d group by d.key, d.arr_ele, d.value
> ) e group by e.key, e.arr_ele;
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