Re: Re: bt Scankey in another contradictory case

2024-10-07 Thread Peter Geoghegan
On Sun, Sep 1, 2024 at 11:44 AM bigbro...@hotmail.com wrote: > I have reanalysed the code of function _bt_first. I notice that using a > multi-attribute index > if we can't identify the starting boundaries and the following attributes > markded not required , > that means we need start at first

Re: Re: bt Scankey in another contradictory case

2024-09-01 Thread bigbro...@hotmail.com
Hi, I have reanalysed the code of function _bt_first. I notice that using a multi-attribute index if we can't identify the starting boundaries and the following attributes markded not required , that means we need start at first or last page in the index to examine every tuple to satisfy the qu