[teiid-issues] [JBoss JIRA] (TEIID-3772) HBase - Phoenix returns more than one result for subquery which should return only one row

[RH Bugzilla Integration (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-3772?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

RH Bugzilla Integration updated TEIID-3772:
-------------------------------------------
    Bugzilla References: https://bugzilla.redhat.com/show_bug.cgi?id=1272934
        Bugzilla Update: Perform


> HBase - Phoenix returns more than one result for subquery which should return only one row 
> -------------------------------------------------------------------------------------------
>
>                 Key: TEIID-3772
>                 URL: https://issues.jboss.org/browse/TEIID-3772
>             Project: Teiid
>          Issue Type: Bug
>    Affects Versions: 8.7.1.6_2
>            Reporter: Juraj Duráni
>            Assignee: Steven Hawkins
>            Priority: Minor
>
> Query:
> SELECT intkey FROM BQT1.SmallA AS A WHERE stringkey = (SELECT stringkey FROM BQT1.SmallA AS B WHERE b.intnum = a.intnum) ORDER BY intkey
> Source-specific query:
> SELECT g_0.intkey AS c_0 FROM smalla AS g_0 WHERE g_0.stringkey = (SELECT g_1.stringkey FROM smalla AS g_1 WHERE g_1.intnum = g_0.intnum) ORDER BY c_0
> Subquery returns more than one row. Every value in IntNum is unique except 3 NULL values. 
> Changing where clause to: WHERE b.intnum is not null and b.intnum = a.intnum returns correct result.
> It seems like Phoenix bug. A note in the documentation could be enough.



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