[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-2647) Problems with OR parenthesis in HQL

[Dennis Fleurbaaij (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_27107 ] 

Dennis Fleurbaaij commented on HHH-2647:
----------------------------------------

Copy paste errors all over in the previous comment, this is better:

@Entity 
public Class Entity 
{ 
  private Date toDateTime; 
  private Date fromDateTime; 
} 

With the following HQL code: 

FROM Entity 
WHERE 
( ( entity.fromDateTime is null AND entity.toDateTime < :dateTime) 
  OR 
  ( entity.fromDateTime >= :dateTime AND entity.toDateTime is null ) 
  OR 
  ( entity.fromDateTime >= :dateTime AND entity.toDateTime < :dateTime ) 
) 

> Problems with OR parenthesis in HQL
> -----------------------------------
>
>                 Key: HHH-2647
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2647
>             Project: Hibernate3
>          Issue Type: Bug
>          Components: query-hql
>    Affects Versions: 3.2.1
>         Environment: Hibernate 3.2.1, postgresql 8.2, jboss 5 embedded beta 2
>            Reporter: Dennis Fleurbaaij
>   Original Estimate: 15 minutes
>  Remaining Estimate: 15 minutes
>
> Given the following (part) of a query in HQL (where 1 to 6 are comparisons of different types (=, <=, is null), but irrelevant for the problem posted here ):
> AND ( ( 1 AND 2 ) OR ( 3 AND 4 )  OR ( 5 AND 6 ) )
> will be balanced to:
> and ( ( 1 ) and 2 or 3 and ( 4 ) or 5 and 6 )

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