17.12.2011 18:25 пользователь "Filip Rembiałkowski" <plk.zuber@xxxxxxxxx> написал:
>
> Normally there is no chance it could work,
> because (a) the planner does not know all possible values of a column,
> and (b) btree indexes cannot search on "not equal" operator.
>
Why so? a<>b is same as (a<b or a>b), so, planner should chech this option.
