[hibernate-issues] [Hibernate-JIRA] Updated: (HHH-5188) Use provided enum type ordinal/string when reading

[Gail Badner (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-5188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gail Badner updated HHH-5188:
-----------------------------

    Affects Version/s: 3.6.0

> Use provided enum type ordinal/string when reading
> --------------------------------------------------
>
>                 Key: HHH-5188
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5188
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.5.0-CR-2, 3.5.1, 3.6.0
>            Reporter: Stefan Larsson
>            Priority: Minor
>         Attachments: EnumType.java-typeSafeNullSafeGet.patch
>
>
> When Hibernate reads a PostgreSQL enum type using ResultSet.getObject(), the JDBC driver returns a driver-specific PGObject object, which preserves both the value of the enum and its type ordinal/string. Hibernate fails with a ClassCastException when it attempts to cast the PGObject into a String in org.hibernate.type.EnumType.nullSafeGet().
> The code in org.hibernate.type.EnumType assumes that ResultSet.getObject() will either return a Number or a String, which is not true for the PostgreSQL driver. IMHO it would be better to let the JDBC driver do the conversion using ResultSet.getInt() or getString() instead.
> The attached patch allows JBoss AS 6 M3 (Hibernate 3.5.0-CR-2) to read PostgreSQL enums, using JPA, with a a Java enum annotated as @javax.persistence.Enumerated(javax.persistence.EnumType.STRING).
> Also, I believe that perhaps ignoring the given enum type causes Issue HHH-4230, where an ordinal enum was stored in character field. ResultSet.getInteger() might work for that one depending on the JDBC driver.

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