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https://issues.apache.org/jira/browse/PHOENIX-4791?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16626018#comment-16626018
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Hudson commented on PHOENIX-4791:
---------------------------------
FAILURE: Integrated in Jenkins build Phoenix-omid2 #89 (See
[https://builds.apache.org/job/Phoenix-omid2/89/])
PHOENIX-4791 Array elements are nullified with joins (tdsilva: rev
5900ec8dd8316bb7e9d36611587c051be32a2092)
* (edit)
phoenix-core/src/main/java/org/apache/phoenix/coprocessor/HashJoinRegionScanner.java
* (add)
phoenix-core/src/it/java/org/apache/phoenix/end2end/ProjectArrayElemAfterHashJoinIT.java
* (edit)
phoenix-core/src/main/java/org/apache/phoenix/iterate/NonAggregateRegionScannerFactory.java
* (edit)
phoenix-core/src/main/java/org/apache/phoenix/iterate/RegionScannerFactory.java
> Array elements are nullified with joins
> ---------------------------------------
>
> Key: PHOENIX-4791
> URL: https://issues.apache.org/jira/browse/PHOENIX-4791
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 4.11.0, 4.12.0, 4.13.0, 4.14.0, 5.0.0
> Reporter: Tulasi P
> Assignee: Gerald Sangudi
> Priority: Major
> Fix For: 4.15.0, 5.1.0
>
> Attachments: PHOENIX-4791.patch
>
>
> Returning elements of an array from a table that is part of a join causes
> array elements to be nullified.
> {noformat}
> create table array_test_1 (id integer not null primary key, arr tinyint[5]);
> upsert into array_test_1 values (1001, array[0, 0, 0, 0, 0]);
> upsert into array_test_1 values (1002, array[0, 0, 0, 0, 1]);
> upsert into array_test_1 values (1003, array[0, 0, 0, 1, 1]);
> upsert into array_test_1 values (1004, array[0, 0, 1, 1, 1]);
> upsert into array_test_1 values (1005, array[1, 1, 1, 1, 1]);
> {noformat}
>
> {noformat}
> create table test_table_1 (id integer not null primary key, val varchar);
> upsert into test_table_1 values (1001, 'abc');
> upsert into test_table_1 values (1002, 'def');
> upsert into test_table_1 values (1003, 'ghi');{noformat}
> {noformat}
> 0: jdbc:phoenix:localhost> select t1.id, t2.val, t1.arr[1], t1.arr[2],
> t1.arr[3] from array_test_1 as t1 join test_table_1 as t2 on t1.id = t2.id;
> +--------+---------+---------+------------------------+---------------+
> | T1.ID | T2.VAL | ARRAY_ELEM(T1.ARR, 1) | ARRAY_ELEM(T1.ARR, 2) |
> ARRAY_ELEM(T1.ARR, 3) |
> +--------+---------+---------+-----------------+------------------------+
> | 1001 | abc | null | null | null |
> | 1002 | def | null | null | null |
> | 1003 | ghi | null | null | null |
> +--------+---------+--------+------------------------+-----------------+
> 3 rows selected (0.056 seconds)
> {noformat}
> However, directly selecting array elements from the array returns data
> correctly.
> {noformat}
> 0: jdbc:phoenix:localhost> select [t1.id, t1.arr[1], t1.arr[2], t1.arr[3]
> from array_test_1 as t1;
> +-------+--------+-------------+-------------+
> | ID | ARRAY_ELEM(ARR, 1) | ARRAY_ELEM(ARR, 2) | ARRAY_ELEM(ARR, 3) |
> +-------+--------+-------------+-------------+
> | 1001 | 0 | 0 | 0 |
> | 1002 | 0 | 0 | 0 |
> | 1003 | 0 | 0 | 0 |
> | 1004 | 0 | 0 | 1 |
> | 1005 | 1 | 1 | 1 |
> +-------+-------+--------------+--------------+
> 5 rows selected (0.044 seconds)
> {noformat}
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