On Tue, May 12, 2009 at 05:02, Richard Huxton <dev@xxxxxxxxxxxx> wrote: > Francisco Figueiredo Jr. wrote: >> >> Hi all! >> >> I was playing with "in (...)" and "= any (...)" queries and found a >> difference between them and I wonder: >> >> why this works: >> >> select * from table_of_integers where integer_column = any (array[5,6]); > > This checks if integer_column matches any value in the specified array. > >> select * from table_of_integers where integer_column in (array[5,6]); > > This checks if integer_column IS an array[5,6] (which it isn't). > > You probably want ... IN (5,6) > >> SOME is a synonym for ANY. IN is equivalent to = ANY. > > I think this is probably talking with respect to sub-queries. > Ahhhh, thank you very much for your feedback and for explaining it, Richard. Now I understand it better. -- Regards, Francisco Figueiredo Jr. Npgsql Lead Developer http://www.npgsql.org http://fxjr.blogspot.com http://twitter.com/franciscojunior -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
