On Mon, Jun 30, 2003 at 18:26:38 -0400,
Robert Treat <[EMAIL PROTECTED]> wrote:
> what i want to do is:
>
> delete * from foo where not (foo.a = bar.a and foo.b=bar.b and
> foo.c=bar.c) ;
For the case without not (which appears to be what you really want)
you can pretty much do this.
See below
On Mon, 2003-06-30 at 20:35, Josh Berkus wrote:
> Robert,
>
> > delete * from foo where not (foo.a = bar.a and foo.b=bar.b and
> > foo.c=bar.c) ;
> >
> > so i end up with
> >
> > postgres=# select * from foo;
> > a | b | c | d
> > ---+---+---+---
> > 1 | 2 | 4 | A
> > 4 | 5 | 6 | b
> > (2
Robert,
> delete * from foo where not (foo.a = bar.a and foo.b=bar.b and
> foo.c=bar.c) ;
>
> so i end up with
>
> postgres=# select * from foo;
> a | b | c | d
> ---+---+---+---
> 1 | 2 | 4 | A
> 4 | 5 | 6 | b
> (2 rows)
>
> but thats not valid sql, is there some way to accomplish this?
On Mon, 2003-06-30 at 18:26, Robert Treat wrote:
> create table foo (a int, b int, c int, d text);
>
> create table bar (a int, b int, c int);
>
> insert into foo values (1,2,3,'a');
> insert into foo values (1,2,4,'A');
> insert into foo values (4,5,6,'b');
> insert into foo values (7,8,9,'c');
On 30 Jun 2003, Robert Treat wrote:
> create table foo (a int, b int, c int, d text);
>
> create table bar (a int, b int, c int);
>
> insert into foo values (1,2,3,'a');
> insert into foo values (1,2,4,'A');
> insert into foo values (4,5,6,'b');
> insert into foo values (7,8,9,'c');
> insert into
create table foo (a int, b int, c int, d text);
create table bar (a int, b int, c int);
insert into foo values (1,2,3,'a');
insert into foo values (1,2,4,'A');
insert into foo values (4,5,6,'b');
insert into foo values (7,8,9,'c');
insert into foo values (10,11,12,'d');
insert into bar values (1
