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From "Kevin Sutter (JIRA)" <>
Subject [jira] Created: (OPENJPA-214) Need to support floating point primary keys
Date Wed, 11 Apr 2007 15:43:32 GMT
Need to support floating point primary keys

                 Key: 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:

>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)
>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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