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Date: Wed, 20 Feb 2013 14:11:13 +0000 (UTC)
From: "Kim Haase (JIRA)" <jira@apache.org>
To: derby-dev@db.apache.org
Message-ID: <JIRA.12388178.1202468708505.310525.1361369473312@arcas>
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Subject: [jira] [Commented] (DERBY-3398) Support min/max values for Java
 types float/double in real/double columns
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    [ https://issues.apache.org/jira/browse/DERBY-3398?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13582197#comment-13582197 ] 

Kim Haase commented on DERBY-3398:
----------------------------------

Just checking -- does this fix have any documentation impact, or should we leave the described limits as they are in http://db.apache.org/derby/docs/10.9/ref/rrefnumericlimits.html, http://db.apache.org/derby/docs/10.9/ref/rrefsqljdoubleprecision.html, and http://db.apache.org/derby/docs/10.9/ref/rrefsqlj14122.html?
                
> 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
>             Fix For: 10.10.0.0
>
>         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-3398-8.diff, derby-3398.diff, derby-3398.status, releaseNote.html, 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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