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

[Jan Stastny (JIRA)]

Jan Stastny created TEIID-5060:
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             Summary: 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: Steven Hawkins
            Priority: Blocker


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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