http://cayenne.apache.org/doc/moving-objects-between-contexts.html
On Mon, Jun 30, 2008 at 9:06 AM, Øyvind Harboe <[EMAIL PROTECTED]> wrote: > In the apps I'm working on I can generally sort tables into two > categories: > > 1. tables that change as part of normal operation of the database > and/or where the number of records is too large to fit into memory > > 2. various and sundry small tables. These have a small number > of records, change infrequently and can easily fit into memory. Loading > these tables take an instant(lest I'd categorize them as #1 tables). > > #1 has relationships to #2 entries. These are constantly resolved via > sql queries. > At a guess I'd say that 95% of all queries are to resolve relationships from > #1 to #2. Ideally I should be able to mark a table as #2 via a configuration > option in my application as part of hardcoded tweaking of the app. > > Is there a way to load #2 permanently into memory so as to avoid > SQL statements to resolve relationships from #1 to #2? > > > Since loading all #2 tables take an instant, they could be dumped if > more than N seconds has passed since they were last used. > > -- > Øyvind Harboe > http://www.zylin.com/zy1000.html > ARM7 ARM9 XScale Cortex > JTAG debugger and flash programmer >
