Alexander Farber <alexander.farber@xxxxxxxxx> writes: > I wonder, why the following returns NULL and not 0 in 9.5.3? > # select array_length(array_remove(ARRAY[NULL,NULL,NULL],NULL), 1); Because the result of the array_remove is an empty array, which is defined to be zero-dimensional in PG. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
