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From "Abe White (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (OPENJPA-214) Need to support floating point primary keys
Date Wed, 11 Apr 2007 20:26:32 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Abe White resolved OPENJPA-214.
-------------------------------

    Resolution: Fixed
      Assignee:     (was: Abe White)

Support float/Float and double/Double primary key fields in single-field identity handling.
 Fixed in revision 527648.

> Need to support floating point primary keys
> -------------------------------------------
>
>                 Key: OPENJPA-214
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-214
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jdbc
>    Affects Versions: 0.9.7
>            Reporter: Kevin Sutter
>             Fix For: 0.9.8
>
>
> Dain first reported this problem on the dev mailing list:
> http://www.nabble.com/Float-primary-key--tf3557137.html
> >My response:
> >Okay, I looked at the spec a bit closer and it looks like we need to allow for floats
as primary keys:
> >"The primary key (or field or property of a composite primary key) should be one
of the following types:
> >any Java primitive type; any primitive wrapper type; java.lang.String; java.util.Date;
> >java.sql.Date. In general, however, approximate numeric types (e.g., floating point
types) should
> >never be used in primary keys."
> >Although the spec clearly recommends against the use of floating points, floats are
a primitive type (or the Float wrapper) and need to be allowed.  With no >special "AllowStupidApproximatePrimaryKeys"
flag.  :-)
> >Am I trying to read too much into the spec or Dain's request?  This seems to be something
that we need to support.
> >>Abe's response:
> >>Given the spec section you quoted, you're definitely right.  It's something we
need to support.

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