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From "Heath Thomann (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (OPENJPA-2387) Schema name is incorrectly included in length of Sequence name.
Date Fri, 24 May 2013 16:58:20 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-2387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Heath Thomann updated OPENJPA-2387:
-----------------------------------

    Attachment: OPENJPA-2387-2.2.1.x.patch

Providing a patch to resolve the issue.

Thanks,

Heath
                
> Schema name is incorrectly included in length of Sequence name.
> ---------------------------------------------------------------
>
>                 Key: OPENJPA-2387
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2387
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: sql
>    Affects Versions: 2.3.0, 2.2.2, 2.2.1.1
>            Reporter: Heath Thomann
>            Assignee: Heath Thomann
>         Attachments: OPENJPA-2387-2.2.1.x.patch
>
>
> Take the following entity definition:
> @Entity @Table(name="LONG_NAME_ENTITY")
> @SequenceGenerator(name="longSequenceNameSequence",sequenceName="A_TWENTY_NINE_CHAR_LENGTH_SEQ")
> public class LongSequenceNameEntity implements Serializable
> As can be seen, a Sequence is defined with a name which is 29 characters long.  On a
Database such as Oracle which has a 30 character limit on sequence names, among others names,
this sequence is perfectly legal.  However, when a schema name is tacked onto this by OpenJPA,
OpenJPA code incorrectly counts the characters of the schema in the length of the sequence
name.   As such, the following exception will occur:
> Caused by: <openjpa-2.2.1.1-SNAPSHOT-r422266:1445654M nonfatal user error> org.apache.openjpa.persistence.ArgumentException:
Sequence name "HTHOMANN.A_TWENTY_NINE_CHAR_LENGTH_SEQ" is 38-character long. The database
allows maximum 30-character for a sequence name.
> 	at org.apache.openjpa.jdbc.sql.DBDictionary.checkNameLength(DBDictionary.java:5358)
> 	at org.apache.openjpa.jdbc.sql.DBDictionary.commonCreateAlterSequenceSQL(DBDictionary.java:3492)
> 	at org.apache.openjpa.jdbc.sql.DBDictionary.getAlterSequenceSQL(DBDictionary.java:3469)
> The DBDictionary.checkNameLength in this case is counting the characters of the schema
name, and sequence name.  The length of the schema name should not be included in the length
of the sequence.

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