[teiid-issues] [JBoss JIRA] (TEIID-5275) OData4 translator doesn't handle IS NOT NULL condition properly

[Jan Martiska (JIRA)]

Jan Martiska created TEIID-5275:
-----------------------------------

             Summary: OData4 translator doesn't handle IS NOT NULL condition properly
                 Key: TEIID-5275
                 URL: https://issues.jboss.org/browse/TEIID-5275
             Project: Teiid
          Issue Type: Bug
          Components: OData
    Affects Versions: 8.12.11.6_4
            Reporter: Jan Martiska
            Assignee: Steven Hawkins


Given that {{BQT1.SmallA}} is a view backed by Odata4 translator, both of these queries fail:
{noformat}
SELECT intnum FROM BQT1.SmallA WHERE intnum IS NOT NULL
SELECT intnum FROM BQT1.SmallA WHERE NOT(intnum IS NULL)
{noformat}

The problem is that this is translated to a OData request like this:
{noformat}
http://localhost:8080/odata4/csv/bqt1/SmallA?%24select=intnum&%24filter=not(intnum%20eq%20null)
{noformat}

This request fails with:
{noformat}
The property 'not', used in a query expression, is not defined in type 'csv.1.bqt1.SmallA'.
{noformat}

A working URL which would return the correct rows would be:
{noformat}
http://localhost:8080/odata4/csv/bqt1/SmallA?%24select=intnum&%24filter=intnum%20ne%20null
{noformat}



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