Subject Re: Slow query help
Author markd_mms
--- In firebird-support@yahoogroups.com, Alexandre Benson Smith
<iblist@t...> wrote:
[snip]
> try this one:
>
> SELECT ITEM.TITLE AS "Title", ITEM.TITLE2 AS "Title2",
> ITEMINFORMAT.CATALOGUENO AS "Catalogue Number",
> ITEMINFORMAT.BARCODE AS "Barcode", FORMAT.DESCRIPTION AS "Format",
> DISTRIBUTOR.DESCRIPTION AS "Distributor", GENRE.DESCRIPTION AS "Genre",
> ITEM.DISTRIBUTOR_RELEASE_DATE AS "Release Date", ITEM.ITEMID
> FROM ITEM
> JOIN ITEMINFORMAT ON ITEM.ITEMID = ITEMINFORMAT.ITEMID
> LEFT JOIN ARTISTITEM ON ITEM.ITEMID = ARTISTITEM.ITEMID
> LEFT JOIN ARTISTS ON ARTISTITEM.ARTISTID = ARTISTS.ARTISTID
> LEFT JOIN FORMAT ON ITEMINFORMAT.FORMATID = FORMAT.FORMATID
> LEFT JOIN DISTRIBUTOR ON ITEM.DISTRIBUTORID = DISTRIBUTOR.DISTRIBUTORID
> LEFT JOIN GENRE ON ITEM.GENREID = GENRE.GENREID
> WHERE
> ITEMINFORMAT.CATALOGUENO = '8236709'
>
> see you !
>
> --
> Alexandre Benson Smith
> Development
> THOR Software e Comercial Ltda
> Santo Andre - Sao Paulo - Brazil
> www.thorsoftware.com.br
>

wow down to 141 ms! but now searching on ITEM.TITLE by itself has gone
up to 1.5 seconds from about 300ms showing 14010 unindexed reads on
ITEMINFORMAT. is there a happy medium or should i just use a different
query depending on what i'm searching for?

TIA