Oleg Broytmann wrote:
>
> Nested Loop (cost=0.00 size=1 width=18)
> -> Nested Loop (cost=0.00 size=1 width=14)
> -> Merge Join (cost=0.00 size=1 width=10)
> -> Seq Scan (cost=0.00 size=0 width=0)
> -> Sort (cost=0.00 size=0 width=0)
> -> Seq Scan on districts d (cost=0.00 size=0 width=4)
> -> Seq Scan (cost=0.00 size=0 width=0)
> -> Sort (cost=0.00 size=0 width=0)
> -> Seq Scan on shops sh (cost=0.00 size=0 width=6)
> -> Seq Scan on central cn (cost=0.00 size=0 width=4)
> -> Seq Scan on positions p (cost=0.00 size=0 width=4) ^^^^^^
vacuum...
Vadim