[jira] Updated: (OPENJPA-456) Missed to validate the column name length for Join Column

["Teresa Kan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OPENJPA-456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Teresa Kan updated OPENJPA-456:
-------------------------------

    Attachment: OPENJPA-456.patch

Attach the patch..

> Missed to validate the column name length for Join Column
> ---------------------------------------------------------
>
>                 Key: OPENJPA-456
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-456
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jdbc
>    Affects Versions: 1.1.0
>            Reporter: Teresa Kan
>             Fix For: 1.1.0
>
>         Attachments: OPENJPA-456.patch
>
>
> In the PersistenceMappingDefault.populateJoinColumn() method, it missed the call to validate the column length. Consequencely the column length  that was longer than DB2's max column length resulted an invalid column length exception .
> The fix wil be:
>     public void populateJoinColumn(FieldMapping fm, Table local, Table foreign,
>         Column col, Object target, int pos, int cols) {
>         // only use spec defaults with column targets
>         if (!(target instanceof Column))
>             return;
>         // if this is a bidi relation, prefix with inverse field name, else
>         // prefix with owning entity name
>         FieldMapping[] inverses = fm.getInverseMappings();
>         String name;
>         if (inverses.length > 0)
>             name = inverses[0].getName();
>         else
>             name = fm.getDefiningMapping().getTypeAlias();
>         // suffix with '_' + target column
>         name += "_" + ((Column) target).getName();
>         name = dict.getValidColumnName(name, foreign);  ===> add this call before set the name to the column.
>         col.setName(name);
>     }

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