>>In this case exactly. You wrote about read >>committed transactions so I
>>made such notation)
ok, yes i have wroted i simplified example about read commited but here snapsot
is vital
>>One more note about your idea. Engine >>will have to read every record
>>in anycase. But maybe expression index >>could help.
Good point! But i have not concept how to solve this. In normal case scenario,
this will not be a big problem. Usually applications retrive small subset of
table data. But users can have more idea where to use this feature and there
this can be a problem.
Regards,Karol Bieniaszewski
null
------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
Firebird-Devel mailing list, web interface at
https://lists.sourceforge.net/lists/listinfo/firebird-devel
