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

[Juraj Duráni (JIRA)]

Juraj Duráni created TEIID-3772:
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             Summary: 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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