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https://issues.apache.org/jira/browse/DERBY-5536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dag H. Wanvik updated DERBY-5536:
---------------------------------
Attachment: derby-5536.stat
derby-5536.diff
Uploading derby-5536 which changes the implementation of am.Decimal#getLong to
allow it to detect overflow. If the number of digits indicate it can't happen
we use an optimized path. Uncommented a overflow test case in
ParameterMappingTest which was disabled due to this error and and added a new
positive test case since we changed the implementation.
Running regressions.
> Client's ResultSet#getLong does not range check when converting from a
> DECIMAL column
> -------------------------------------------------------------------------------------
>
> Key: DERBY-5536
> URL: https://issues.apache.org/jira/browse/DERBY-5536
> Project: Derby
> Issue Type: Bug
> Components: JDBC, Network Client
> Reporter: Dag H. Wanvik
> Attachments: MissingRangeCheck.java, derby-5536.diff, derby-5536.stat
>
>
> Derby's DECIMAL can contain an integer of 31 digits. This can overflow a
> long. The embedded JDBC driver catches this, but the client does not and can
> yield a corrupt long, cf enclosed repro.
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