Re: Unexpected query plan results

> -----Original Message-----
> From: Anne Rosset
> Subject: Re: [PERFORM] Unexpected query plan results
>
> >>
> >>SELECT SUM(1) FROM item WHERE is_deleted = 'f'; sum
> --------- 1824592
> >>(1
> >>row)
> >>SELECT SUM(1) FROM item WHERE folder_id = 'tracker3641
> >></sf/sfmain/do/go/tracker3641?returnUrlKey=1243878161701>'; sum
> >>--------
> >>122412 (1 row)
> >>SELECT SUM(1) FROM item WHERE folder_id = 'tracker3641
> >></sf/sfmain/do/go/tracker3641?returnUrlKey=1243878161701>' AND
> >>is_deleted = 'f'; sum ----- 71 (1 row) SELECT SUM(1) FROM
> item WHERE
> >>folder_id = 'tracker3641
> >></sf/sfmain/do/go/tracker3641?returnUrlKey=1243878161701>' AND
> >>is_deleted = 't'; sum -------- 122341 (1 row)
> >>
> >>
> >
> >Something's not right here. If the whole table has only
> 468173 rows,
> >you can't have 1.8 million deleted rows where is_deleted = false.
> >
> >...Robert
> >
> >
> The item table has 2324829 rows
> The artifact table has 468173 rows.
> Thanks,
> Anne

I'd been thinking about the sort, but I hadn't thought yet if that index
scan on item could be made faster. Could you post the table definition of
item including the indexes on it?

Dave