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ggpairs
2006 Jul 18
0
non-optimal sql
I was noticing that to update a has_many association, Rails uses the following:
begin
delete from tagpairs where id = 33;
delete from tagpairs where id = 34;
delete from tagpairs where id = 35;
...
insert into tagpairs (...) values (...);
insert into tagpairs (...) values (...);
...
commit
This would be better as:
delete from tagpairs where obj_type = ''guidepage...