[teiid-issues] [JBoss JIRA] (TEIID-3929) Accumulo does not return null values

[Jan Stastny (JIRA)]

Jan Stastny created TEIID-3929:
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             Summary: Accumulo does not return null values
                 Key: TEIID-3929
                 URL: https://issues.jboss.org/browse/TEIID-3929
             Project: Teiid
          Issue Type: Bug
          Components: Misc. Connectors
    Affects Versions: 8.12.3
            Reporter: Jan Stastny
            Assignee: Steven Hawkins


Accumulo doesn't return null values when a whole 'column' is being selected.
For a command in accumulo shell like:
{code:plain}
scan -c name:BYTENUM
{code}
Accumulo returns only non-empty values, this is expected behaviour.

Equivalent query in Teiid would be:
{code:sql}
SELECT ByteNum FROM SmallA
{code}
Which returns the same results as Accumulo does. That means, no NULL values, if there are rowids without specified column families/qualifiers missing. But when a user has his schema defined in a vdb, he probably expects, that he will get as many rows as there are in the table.



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