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Home » Modeling » EMF "Technology" (Ecore Tools, EMFatic, etc) » [Texo] Problem with enforce unique names(Too long names of tables)

[Texo] Problem with enforce unique names [message #876808]

Fri, 25 May 2012 06:03

Eclipse User

I tested my application with Hibernate connected to MySql. Now I need to attach to Oracle. The problem is:
ORACLE limit table name to 31 characters ....
So I need to make table names shorter.
I work with several packages and to make entity names unique I had to add in annotations option: "enforce unique names"=true.
Now the Entity names are combined with package name. But table names also...
Example:
@Entity(name = "batchconfig_BatchConfigType")
@Table(name = "DPL_batchconfig_BatchConfigType")
public class BatchConfigType extends Identifiable {

So my table name become very long.
I would like:
or 1. Prefix of table where added to Entity name then do not have to select the "enforce unique names"=true.
or 2. Option "enforce unique names"=true do not add prefix to table name

Both cases may be with additional checkbox if needed

Now I have to change names of my packages to make table names shorter ;(

Re: [Texo] Problem with enforce unique names [message #876818 is a reply to message #876808]

Fri, 25 May 2012 06:18

Eclipse User

Is it possible to remove postfix "Type" from table name (as general annotation not each class separately)?

Re: [Texo] Problem with enforce unique names [message #876825 is a reply to message #876818]

Fri, 25 May 2012 06:36

Eclipse User

Hi Olaf,
There is another option on the EPackage ORM annotation: maximumSqlNameLength
set this one to 30 then it should work, your table names will be a bit less readable though...

gr. Martin

On 05/25/2012 12:18 PM, Olaf Burdziakowski wrote:
> Is it possible to remove postfix "Type" from table name (as general annotation not each class separately)?

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Re: [Texo] Problem with enforce unique names [message #876857 is a reply to message #876825]

Fri, 25 May 2012 07:57

Eclipse User

@Martin,
thank you for hint. This works. The only issue is:
- can package name be shorten always the same?

I would like to have tables from the same package with the same prefix.
Example (of different names):
DPL_CNFIGXTNSIN_CMPNENTGRPTYPE
DPL_CNFIGXTENSIN_PCKETLBELTYPE

Texo to keep the same length compress the same prefix to different names. Can it be somehow normalized? Example to:
DPL_CNFIGXTNSIN_ (shorter) for all tables in the same package?

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