On Thu, June 11, 2009 17:37, Andy Colson wrote: > That's a little vague, so how about: > > select * from somethine where (extract(year from idate) = $1) or > (extract(year from idate) = $2 and extract(month from idate) = $3) > or (extract(year from idate) = $4 and extract(month from idate) = $5 > and extract(day from idate) = $6) > Actually, I am thinking that perhaps this is better accomplished by parsing the data in the application and generating a date range that I then pass as parameters to a PG BETWEEN condition: For example: given 2008 then SD = 20080101000001 and ED = 20081231235959 given 200805 then SD = 20080501000001 and ED = 20080531235959 given 20080709 then SD = 20080709000001 and ED = 20080709235959 I believe that this construction should work and also make use of the index SELECT * WHERE effective_from BETWEEN SD and ED Is my appreciate correct? -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@xxxxxxxxxxxxx Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3 -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
