Silvio Brandani <silvio.brandani@xxxxxxxxxxx> writes: > Il 18/11/2011 15.51, Tom Lane ha scritto: >> There's nothing here to suggest that this query shouldn't use an index, >> so the problem is in something you didn't show us. Maybe you have >> enable_indexscan turned off, or maybe that index isn't really on that >> table, or something else. > this is not the case, to be sure I have recreated the index and still > not work. moreover the copy of the table with the same ttpe of index is > using it. Well, the rest of us can't see what you're doing, but I think this is highly likely to be user error. Have you got more than one table named aida_references? regards, tom lane -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin