On Thu, Jun 2, 2011 at 10:52 PM, fanngyuan <fanngy...@gmail.com> wrote: > hi guys: > I'm using int[] in postgrsql to store int array. I want to get max value > of each row . While I can't find any function to get it(max function will > get max array in one column) . Even I could write a sql function to get the > max value. I still think a native funtion is better . Can your guys help me?
Please post questions like this to pgsql-general, rather than here. What you are looking for is unnest: rhaas=# select max(x) from unnest(array[1,2,3]) x; max ----- 3 (1 row) -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
