-- -- insert with DEFAULT in the target_list -- create table inserttest (col1 int4, col2 int4 NOT NULL, col3 text default 'testing'); insert into inserttest (col1, col2, col3) values (DEFAULT, DEFAULT, DEFAULT); ERROR: ExecAppend: Fail to add null value in not null attribute col2 insert into inserttest (col2, col3) values (3, DEFAULT); insert into inserttest (col1, col2, col3) values (DEFAULT, 5, DEFAULT); insert into inserttest values (DEFAULT, 5, 'test'); insert into inserttest values (DEFAULT, 7); select * from inserttest; col1 | col2 | col3 ------+------+--------- | 3 | testing | 5 | testing | 5 | test | 7 | testing (4 rows) drop table inserttest;