[teiid-issues] [JBoss JIRA] (TEIID-4423) UPDATE command with non-pushdown functions leads to error

[dalex dalex (JIRA)]

dalex dalex created TEIID-4423:
----------------------------------

             Summary: UPDATE command with non-pushdown functions leads to error
                 Key: TEIID-4423
                 URL: https://issues.jboss.org/browse/TEIID-4423
             Project: Teiid
          Issue Type: Bug
          Components: Query Engine
    Affects Versions: 8.12.x
         Environment: teiid-8.12-Beta1 on Red Hat JBoss Enterprise Application Platform - Version 6.3.0.GA
teiid-9.0.3 on WildFly Full 9.0.2.Final
            Reporter: dalex dalex
            Assignee: Steven Hawkins
            Priority: Blocker


Running the following queries:
{code:sql}
update test.textagg_test_2 set id =(select uuid());;
{code}
or
{code:sql}
update test.textagg_test_2 set id =(select rand());;
{code}

leads to the following errors:
{code}
TEIID30253 Source UPDATE or DELETE command "UPDATE test.textagg_test_2 SET id = (SELECT uuid() LIMIT 2)" contains non-pushdown constructs and no compensating action can be taken as the table lacks a unique key or the source does not support equality predicates. 
{code}
and
{code}
TEIID30253 Source UPDATE or DELETE command "UPDATE test.textagg_test_2 SET id = convert((SELECT rand() LIMIT 2), string)" contains non-pushdown constructs and no compensating action can be taken as the table lacks a unique key or the source does not support equality predicates. 
{code}

though the following query:
{code:sql}
update test.textagg_test_2 set id =(select now());;
{code}
works without errors.



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