Tom Lane wrote:
>
>
> This was just covered in excruciating detail yesterday ...
>
> You need to write
> order by symbol desc, time desc limit 1
> to get the planner to recognize the connection to the sort order
> of this index. Since you're only selecting one value of symbol,
> the actual output doesn't change.
>
Is this the right behavior (not a bug)? Is postgresql planning on changing
this soon?
Thanks
Wei