30 січня 2010 р. 04:30 Greg Stark написав:
> 2010/1/28 Віталій Тимчишин
> >
> > I've always thought that PostgreSQL would propagate constraint from
> field1 to field2 if condition says field1=field2, but this does not seem the
> case:
>
> version?
>
>
PostgreSQL 8.3.7 on amd64-portbld-freebsd7.2
2010/1/28 Віталій Тимчишин
>
> I've always thought that PostgreSQL would propagate constraint from field1 to
> field2 if condition says field1=field2, but this does not seem the case:
version?
--
greg
--
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To make change
Hello.
I've always thought that PostgreSQL would propagate constraint from field1
to field2 if condition says field1=field2, but this does not seem the case:
dict=# explain select * from domain_list,title.domains where processed_at is
not null and key=groupid and key < 100 and groupid < 10
