[teiid-issues] [JBoss JIRA] (TEIID-5060) Infinispan Hotrod Translator UPDATE on primary key column

[Ramesh Reddy (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-5060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13463703#comment-13463703 ] 

Ramesh Reddy commented on TEIID-5060:
-------------------------------------

@shawkins I guess this needs to be pulled into the 8.12.x branch?

> Infinispan Hotrod Translator UPDATE on primary key column
> ---------------------------------------------------------
>
>                 Key: TEIID-5060
>                 URL: https://issues.jboss.org/browse/TEIID-5060
>             Project: Teiid
>          Issue Type: Bug
>          Components: JDG Connector, Misc. Connectors
>            Reporter: Jan Stastny
>            Assignee: Ramesh Reddy
>            Priority: Blocker
>             Fix For: 10.0
>
>
> UPDATE query where the PRIMARY KEY of the table is being changed succeeds, returns update count of corresponding rows, but the changes don't get promoted to actual cache.
> Consider
> {code:sql|title=UPDATE query}
> UPDATE SmallA SET StringKey = 100 WHERE IntKey > 25
> {code}
> where StringKey is set as PRIMARY KEY and 6 rows fulfill the filter on IntKey>25.
> When this UPDATE is performed, returned number of rows update is 6, but the contents of the cache don't change.
> There are several applicable resolutions:
> # There should be error thrown by Teiid, that this is not allowed operation
> # There should be update count 0 returned
> # There should be change in JDG cache, effectively squashing the 6 rows into single one
> # There should be error thrown by Teiid, that there is duplicate PK value (this is not something Teiid usually enforces)



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