[teiid-issues] [JBoss JIRA] (TEIID-4417) Issues with OData query generation logic

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-4417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins resolved TEIID-4417.
-----------------------------------
    Fix Version/s: 9.0.4
       Resolution: Done


Addressed:

the issue with expression ordering when using root
ANY switched the context to the wrong group
ANY/ALL was generalized to handle any predicate, including one with no lambda variable
Allowed ANY/ALL and root to be used together



> Issues with OData query generation logic
> ----------------------------------------
>
>                 Key: TEIID-4417
>                 URL: https://issues.jboss.org/browse/TEIID-4417
>             Project: Teiid
>          Issue Type: Bug
>          Components: OData
>    Affects Versions: 8.12
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>            Priority: Critical
>             Fix For: 9.1, 9.0.4
>
>
> When the ODataExpressionToSQLBuilder changes the ctxExpression, ctxQuery and other state it needs to revert back, but currently does not.
> For example reordering the predicate:
> /odata4/vdb/PM1/G1?$filter=e1 eq $root/G1(1)/e1
> to
> /odata4/vdb/PM1/G1?$filter=$root/G1(1)/e1 eq e1
> results in a source query:
> SELECT g0.e1, g0.e2, g0.e3 FROM PM1.G1 AS g0 WHERE (SELECT g1.e1 FROM PM1.G1 AS g1 WHERE g1.e2 = 1) = (SELECT g1.e1 FROM PM1.G1 AS g1 WHERE g1.e2 = 1) ORDER BY g0.e2
> That has both sides of the predicate as subqueries.



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