[teiid-issues] [JBoss JIRA] (TEIID-5123) Osisoft translator - Cannot cast String to Float if value is negative

[Andrej Šmigala (JIRA)]

Andrej Šmigala created TEIID-5123:
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             Summary: Osisoft translator - Cannot cast String to Float if value is negative
                 Key: TEIID-5123
                 URL: https://issues.jboss.org/browse/TEIID-5123
             Project: Teiid
          Issue Type: Bug
          Components: JDBC Connector
    Affects Versions: 8.12.x-6.4
            Reporter: Andrej Šmigala
            Assignee: Steven Hawkins


Casting a string containing a negative value (e.g. '-24') to float fails with
{noformat}com.osisoft.rdsa.RdsaException: [PIOLEDBENT] Cannot convert -24 from String to Single.{noformat}

This seems to be a bug in Osisoft PI SQL DAS (server-side not the JDBC driver), as connecting to the PI server using Osisoft's SQL Commander and running
{code:sql}select cast(N'-24' as single){code}
results in the same error.

I think the best course of action would be to document this behaviour of the PI server as known issue and NOT work around it.



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