5
-- Make both a standalone composite type and a table rowtype
7
create type complex as (r float8, i float8);
9
create temp table fullname (first text, last text);
13
create type quad as (c1 complex, c2 complex);
15
-- Some simple tests of I/O conversions and row construction
17
select (1.1,2.2)::complex, row((3.3,4.4),(5.5,null))::quad;
19
select row('Joe', 'Blow')::fullname, '(Joe,Blow)'::fullname;
21
select '(Joe,von Blow)'::fullname, '(Joe,d''Blow)'::fullname;
23
select '(Joe,"von""Blow")'::fullname, '(Joe,d\\\\Blow)'::fullname;
25
select '(Joe,"Blow,Jr")'::fullname;
27
select '(Joe,)'::fullname; -- ok, null 2nd column
28
select '(Joe)'::fullname; -- bad
29
select '(Joe,,)'::fullname; -- bad
31
create temp table quadtable(f1 int, q quad);
33
insert into quadtable values (1, ((3.3,4.4),(5.5,6.6)));
34
insert into quadtable values (2, ((null,4.4),(5.5,6.6)));
36
select * from quadtable;
38
select f1, q.c1 from quadtable; -- fails, q is a table reference
40
select f1, (q).c1, (qq.q).c1.i from quadtable qq;
42
create temp table people (fn fullname, bd date);
44
insert into people values ('(Joe,Blow)', '1984-01-10');
48
-- at the moment this will not work due to ALTER TABLE inadequacy:
49
alter table fullname add column suffix text default '';
51
-- but this should work:
52
alter table fullname add column suffix text default null;
56
-- test insertion/updating of subfields
57
update people set fn.suffix = 'Jr';
61
insert into quadtable (f1, q.c1.r, q.c2.i) values(44,55,66);
63
select * from quadtable;
65
-- The object here is to ensure that toasted references inside
66
-- composite values don't cause problems. The large f1 value will
67
-- be toasted inside pp, it must still work after being copied to people.
69
create temp table pp (f1 text);
70
insert into pp values (repeat('abcdefghijkl', 100000));
72
insert into people select ('Jim', f1, null)::fullname, current_date from pp;
74
select (fn).first, substr((fn).last, 1, 20), length((fn).last) from people;