30 січня 2010 р. 04:30 Greg Stark <gsst...@mit.edu> написав:

> 2010/1/28 Віталій Тимчишин <tiv...@gmail.com>
> >
> > 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, compiled by GCC cc (GCC) 4.2.1
20070719  [FreeBSD]

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