Re: [eclipselink-users] Difference between cache-usage and maintain-cach

[Tom Ware <tom.ware@xxxxxxxxxx>]

Read-only queries provide some optimizations related to some work we do for 
change detection.  The features are compatible.

Laird Nelson wrote:
> On Thu, Mar 17, 2011 at 10:18 AM, Tom Ware <tom.ware@xxxxxxxxxx 
> <mailto:tom.ware@xxxxxxxxxx>> wrote:
>
>     https://bugs.eclipse.org/bugs/show_bug.cgi?id=340309
>
>
> I'm going to risk bothering you one last time.  :-)
>
> So eclipselink.query-results-cache makes sense to me now, and is clearly 
> the go-to hint I've been needing for quite some time.
>
> How does this differ from read only queries 
> (http://wiki.eclipse.org/Optimizing_the_EclipseLink_Application_%28ELUG%29#How_to_Use_Read-Only_Queries_for_Optimization)?  
> Can I use these two query hints (eclipselink.read-only, if I recall) 
> together?  My sense is that read-only doesn't waste time doing the usual 
> JPA entity stuff--change tracking, etc. and so it looks like I could use 
> these two together for any "picklist" functionality.
>
> L
>
>
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