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From "Boaz Ben-Zvi (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-5442) Managed Sort: IndexOutOfBounds with a join over an inlist
Date Tue, 18 Apr 2017 23:47:41 GMT
Boaz Ben-Zvi created DRILL-5442:
-----------------------------------

             Summary: Managed Sort: IndexOutOfBounds with a join over an inlist
                 Key: DRILL-5442
                 URL: https://issues.apache.org/jira/browse/DRILL-5442
             Project: Apache Drill
          Issue Type: Bug
          Components: Execution - Relational Operators
    Affects Versions: 1.10.0
            Reporter: Boaz Ben-Zvi
            Assignee: Paul Rogers
             Fix For: 1.11.0


The following query fails with IOOB when a managed sort is used, but passes with the old default
sort:

=========================================
0: jdbc:drill:zk=local> alter session set `exec.sort.disable_managed` = false;
+-------+-------------------------------------+
|  ok   |               summary               |
+-------+-------------------------------------+
| true  | exec.sort.disable_managed updated.  |
+-------+-------------------------------------+
1 row selected (0.16 seconds)
0: jdbc:drill:zk=local> select * from dfs.`/data/json/s1/date_dim` where d_year in(1990,
1901, 1902, 1903, 1904, 1905, 1906, 1907, 1908, 1909, 1910, 1911, 1912, 1913, 1914, 1915,
1916, 1917, 1918, 1919) limit 3;
Error: SYSTEM ERROR: IndexOutOfBoundsException: index: 0, length: 1 (expected: range(0, 0))

Fragment 0:0

[Error Id: 370fd706-c365-421f-b57d-d6ab7fde82df on 10.250.56.251:31010] (state=,code=0)
 
================================================

(the above query was extracted from /root/drillAutomation/framework-master/framework/resources/Functional/tpcds/variants/hive/q4_1.sql
)

Note that the inlist must have at list 20 items, in which case the plan becomes a join over
a stream-aggregate over a sort over the (inlist's) values. When the IOOB happens, the stack
does not show the sort anymore, but probably handling a NONE returned by the last next() on
the sort ( StreamingAggTemplate.doWork():182 ) 

The "date_dim" can probably be made up with any data. The one above was taken from:
[root@atsqa6c85 ~]# hadoop fs -ls /drill/testdata/tpcds/json/s1/date_dim
Found 1 items
-rwxr-xr-x   3 root root   50713534 2014-10-14 22:39 /drill/testdata/tpcds/json/s1/date_dim/0_0_0.json



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