Jonas Sandman wrote: > Just to point out the obvious, have you tried ORDER BY? > > "SELECT name FROM table ORDER BY name;" will return your list in > alphabetical order. > > /Jonas > > Thanks for the suggestion, but it needs to be an order i can specify, not just ordered. I.e. i may want row 45 first, then 32 then 67 etc...
> On Sat, Oct 18, 2008 at 6:53 PM, Andrew Gatt <[EMAIL PROTECTED]> wrote: > >> Andrew Gatt wrote: >> >>> I'm not sure if i'm missing something, but is there an efficient way of >>> retrieving multiple rows based on different conditions in order. For >>> example i have a table with rows of ids, i want to select multiple rows >>> at a time. At present i am doing a "SELECT name FROM table WHERE id = x" >>> for each row i want and then stitching it all together. But i'm finding >>> this is quite slow even on a moderately small database (2000 entries). >>> >>> I'm guessing my SQL is the worst way of doing things so i've been trying >>> to find a better method. I stumbled across "SELECT name FROM table WHERE >>> id IN (x,y,z) however this doesn't allow me to specify the order the >>> rows are returned, which i must have. >>> >>> The only other option i can find is using UNION ALL in between multiple >>> SELECT statements, but would this give me a large performance increase >>> over doing this progammatically as i've got it? >>> >>> Unless i've missed something obvious which could well be the case! >>> >>> >>> >>> >> After trying several methods to improve the SQL the only thing that >> really made a difference was creating an index on the ids. Using a UNION >> ALL did improve matters, but you end up have to concatenate a very long >> string for the query, so if anyone does have any SQL ideas i'd like to >> hear them. >> >> Andrew >> >> _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
