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https://issues.apache.org/jira/browse/DERBY-3398?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13581137#comment-13581137
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Kristian Waagan commented on DERBY-3398:
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Thanks for uploading a release note, Dag.
A few comments:
o from the template: "This is a one line, one sentence summary of the issue."
So I guess the summary is too long and verbose.
o "To allow applications to use Derby to store a wider range of the Java
floating point number types." -> "To allow applications to store a wider range
of [the] Java floating point numbers in Derby"?
(simplification and matter of preference, feel free to ignore :) )
o "The application can no rely on": "no" -> "not" ?
o clean up / simplify "to detect when use of numbers outside the DB2 limits
were used,"?
> Support min/max values for Java types float/double in real/double columns
> -------------------------------------------------------------------------
>
> Key: DERBY-3398
> URL: https://issues.apache.org/jira/browse/DERBY-3398
> Project: Derby
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 10.4.1.3
> Reporter: Knut Anders Hatlen
> Assignee: Dag H. Wanvik
> Priority: Minor
> Labels: derby_triage10_10
> Attachments: derby-3398-2.diff, derby-3398-3.diff, derby-3398-3.stat,
> derby-3398-4.diff, derby-3398-5.diff, derby-3398-5.stat, derby-3398-7.diff,
> derby-3398-7.stat, derby-3398.diff, derby-3398.status, releaseNote.html
>
>
> Derby doesn't support the entire range of valid (finite) values of the Java
> primitive types double/float in columns with SQL type DOUBLE or REAL. This
> appears to be a limitation that was introduced for compatibility with DB2.
> There have been some requests on derby-user that we lift this restriction.
> The restriction is enforced by the methods normalizeREAL() and
> normalizeDOUBLE() in org.apache.derby.iapi.types.NumberDataType.
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