[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-2077) Providing an escape sequence for Criteria queries
Kevin Stembridge (JIRA)
noreply at atlassian.com
Tue Nov 21 13:13:04 EST 2006
[ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2077?page=comments#action_25385 ]
Kevin Stembridge commented on HHH-2077:
---------------------------------------
Hi Steve,
I'm just wondering if you plan on making the constructor public?
I could create a subclass, but if that class contains nothing but public constructors that delegate to the protected constructors of the superclass then it's hard to say that isn't at least a little bit of a hack :)
Also, I'm just curious, what is the reason for using protected constructors on this class?
> Providing an escape sequence for Criteria queries
> -------------------------------------------------
>
> Key: HHH-2077
> URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2077
> Project: Hibernate3
> Type: Improvement
> Components: query-criteria
> Versions: 3.1.3, 3.2.0 cr1, 3.2.0.cr2, 3.2.0.cr3, 3.2.0.cr4
> Environment: Hibernate 3.1.3, MySQL, HSQLDB, Oracle
> Reporter: Tobias Dietl
>
> Original Estimate: 3 hours
> Remaining: 3 hours
>
> Up to now, there is no way of setting the escape sequence to use for string comparisions with like for Criteria queries.
> This is necessary as MySQL on the one hand and HSQLDB / Oracle on the other behave differently...
> If you want to search for '_abc' in MySQL, you have to use:
> value like '\\_abc'
> In Oracle or HsqlDB, you have to use:
> value like '\_abc'
> If you want to switch to another escape sequence like '|' , you can set it in HQL with value like '|_abc' escape '|'. Unfortunately, there is no way of setting it for Criteria queries, which would force me to rewrite all my Criteria queries in HQL. It would really be nice if the feature/improvement would be added...
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