postgres/src/test/regress/sql/insert.sql

--
-- 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);
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;

--
-- insert with similar expression / target_list values (all fail)
--
insert into inserttest (col1, col2, col3) values (DEFAULT, DEFAULT);
insert into inserttest (col1, col2, col3) values (1, 2);
insert into inserttest (col1) values (1, 2);
insert into inserttest (col1) values (DEFAULT, DEFAULT);

select * from inserttest;

--
-- VALUES test
--
insert into inserttest values(10, 20, '40'), (-1, 2, DEFAULT),
    ((select 2), (select i from (values(3)) as foo (i)), 'values are fun!');

select * from inserttest;

--
-- TOASTed value test
--
insert into inserttest values(30, 50, repeat('x', 10000));

select col1, col2, char_length(col3) from inserttest;

drop table inserttest;

--
-- check indirection (field/array assignment), cf bug #14265
--
-- these tests are aware that transformInsertStmt has 3 separate code paths
--

create type insert_test_type as (if1 int, if2 text[]);

create table inserttest (f1 int, f2 int[],
                         f3 insert_test_type, f4 insert_test_type[]);

insert into inserttest (f2[1], f2[2]) values (1,2);
insert into inserttest (f2[1], f2[2]) values (3,4), (5,6);
insert into inserttest (f2[1], f2[2]) select 7,8;
insert into inserttest (f2[1], f2[2]) values (1,default);  -- not supported

insert into inserttest (f3.if1, f3.if2) values (1,array['foo']);
insert into inserttest (f3.if1, f3.if2) values (1,'{foo}'), (2,'{bar}');
insert into inserttest (f3.if1, f3.if2) select 3, '{baz,quux}';
insert into inserttest (f3.if1, f3.if2) values (1,default);  -- not supported

insert into inserttest (f3.if2[1], f3.if2[2]) values ('foo', 'bar');
insert into inserttest (f3.if2[1], f3.if2[2]) values ('foo', 'bar'), ('baz', 'quux');
insert into inserttest (f3.if2[1], f3.if2[2]) select 'bear', 'beer';

insert into inserttest (f4[1].if2[1], f4[1].if2[2]) values ('foo', 'bar');
insert into inserttest (f4[1].if2[1], f4[1].if2[2]) values ('foo', 'bar'), ('baz', 'quux');
insert into inserttest (f4[1].if2[1], f4[1].if2[2]) select 'bear', 'beer';

select * from inserttest;

-- also check reverse-listing
create table inserttest2 (f1 bigint, f2 text);
create rule irule1 as on insert to inserttest2 do also
  insert into inserttest (f3.if2[1], f3.if2[2])
  values (new.f1,new.f2);
create rule irule2 as on insert to inserttest2 do also
  insert into inserttest (f4[1].if1, f4[1].if2[2])
  values (1,'fool'),(new.f1,new.f2);
create rule irule3 as on insert to inserttest2 do also
  insert into inserttest (f4[1].if1, f4[1].if2[2])
  select new.f1, new.f2;
\d+ inserttest2

drop table inserttest2;
drop table inserttest;
drop type insert_test_type;