[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-1483) MySQL5: No Dialect mapping for JDBC type: -1

[Lars Michele (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-1483?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=33246#action_33246 ] 

Lars Michele commented on HHH-1483:
-----------------------------------

The mapping from Hibernate to MySQL works, but the mapping from MySQL to Hibernate does not work. Hibernate does not know, how to map a LONGVARCHAR column returned by a native query, thats why you have to use registerHibernateType. When adding the mapping to Dialect, everything works as expected.

Regards,
Lars


> MySQL5: No Dialect mapping for JDBC type: -1
> --------------------------------------------
>
>                 Key: HHH-1483
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1483
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.1.2
>         Environment: MySQL 5.0.18-nt
>            Reporter: Sergey Vladimirov
>            Priority: Minor
>         Attachments: hhh-1483-patch.txt
>
>
> MySQL5: No Dialect mapping for JDBC type: -1
> SELECT answpos,answer  FROM votes_answers WHERE question=? ORDER BY answpos
> mysql> describe votes_answers;
> +----------+---------+------+-----+---------+-------+
> | Field    | Type    | Null | Key | Default | Extra |
> +----------+---------+------+-----+---------+-------+
> | question | int(11) | NO   | MUL |         |       |
> | answpos  | int(11) | NO   |     |         |       |
> | answer   | text    | YES  |     | NULL    |       |
> +----------+---------+------+-----+---------+-------+
> mysql> describe temp;
> +---------+---------+------+-----+---------+-------+
> | Field   | Type    | Null | Key | Default | Extra |
> +---------+---------+------+-----+---------+-------+
> | answpos | int(11) | NO   |     | 0       |       |
> | answer  | text    | YES  |     | NULL    |       |
> +---------+---------+------+-----+---------+-------+
> Please, let me know what to add to MySQL5Dialect :)
> Will it be ok to add? :
> registerColumnType( Types.LONGVARCHAR, "text" );

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