blob: c1c32fa029013bd86b83515ee1824f5afc5dc46e [file] [log] [blame]
--
-- Test domains.
--
-- Test Comment / Drop
create domain domaindroptest int4;
comment on domain domaindroptest is 'About to drop this..';
create domain dependenttypetest domaindroptest;
-- fail because of dependent type
drop domain domaindroptest;
drop domain domaindroptest cascade;
-- this should fail because already gone
drop domain domaindroptest cascade;
-- Test domain input.
-- Note: the point of checking both INSERT and COPY FROM is that INSERT
-- exercises CoerceToDomain while COPY exercises domain_in.
create domain domainvarchar varchar(5);
create domain domainnumeric numeric(8,2);
create domain domainint4 int4;
create domain domaintext text;
-- Test explicit coercions --- these should succeed (and truncate)
SELECT cast('123456' as domainvarchar);
SELECT cast('12345' as domainvarchar);
-- Test tables using domains
create table basictest
( testint4 domainint4
, testtext domaintext
, testvarchar domainvarchar
, testnumeric domainnumeric
);
INSERT INTO basictest values ('88', 'haha', 'short', '123.12'); -- Good
INSERT INTO basictest values ('88', 'haha', 'short text', '123.12'); -- Bad varchar
INSERT INTO basictest values ('88', 'haha', 'short', '123.1212'); -- Truncate numeric
-- Test copy
COPY basictest (testvarchar) FROM stdin; -- fail
notsoshorttext
\.
COPY basictest (testvarchar) FROM stdin;
short
\.
select * from basictest order by 1,2,3;
-- check that domains inherit operations from base types
select testtext || testvarchar as concat, testnumeric + 42 as sum
from basictest;
drop table basictest;
drop domain domainvarchar restrict;
drop domain domainnumeric restrict;
drop domain domainint4 restrict;
drop domain domaintext;
-- Test domains over array types
create domain domainint4arr int4[1];
create domain domainchar4arr varchar(4)[2][3];
create table domarrtest
( testint4arr domainint4arr
, testchar4arr domainchar4arr
);
INSERT INTO domarrtest values ('{2,2}', '{{"a","b"},{"c","d"}}');
INSERT INTO domarrtest values ('{{2,2},{2,2}}', '{{"a","b"}}');
INSERT INTO domarrtest values ('{2,2}', '{{"a","b"},{"c","d"},{"e","f"}}');
INSERT INTO domarrtest values ('{2,2}', '{{"a"},{"c"}}');
INSERT INTO domarrtest values (NULL, '{{"a","b","c"},{"d","e","f"}}');
INSERT INTO domarrtest values (NULL, '{{"a","b","c"},{"d","e","f"}}');
INSERT INTO domarrtest values (NULL, '{{"toolong","b","c"},{"d","e","f"}}');
select * from domarrtest ORDER BY 1,2;
select testint4arr[1], testchar4arr[2:2] from domarrtest;
COPY domarrtest FROM stdin;
{3,4} {q,w,e}
\N \N
\.
COPY domarrtest FROM stdin; -- fail
{3,4} {qwerty,w,e}
\.
select * from domarrtest ORDER BY 1,2;
drop table domarrtest;
drop domain domainint4arr restrict;
drop domain domainchar4arr restrict;
create domain dnotnull varchar(15) NOT NULL;
create domain dnull varchar(15);
create domain dcheck varchar(15) NOT NULL CHECK (VALUE = 'a' OR VALUE = 'c' OR VALUE = 'd');
create table nulltest
( col1 dnotnull
, col2 dnotnull NULL -- NOT NULL in the domain cannot be overridden
, col3 dnull NOT NULL
, col4 dnull
, col5 dcheck CHECK (col5 IN ('c', 'd'))
);
INSERT INTO nulltest DEFAULT VALUES;
INSERT INTO nulltest values ('a', 'b', 'c', 'd', 'c'); -- Good
insert into nulltest values ('a', 'b', 'c', 'd', NULL);
insert into nulltest values ('a', 'b', 'c', 'd', 'a');
INSERT INTO nulltest values (NULL, 'b', 'c', 'd', 'd');
INSERT INTO nulltest values ('a', NULL, 'c', 'd', 'c');
INSERT INTO nulltest values ('a', 'b', NULL, 'd', 'c');
INSERT INTO nulltest values ('a', 'b', 'c', NULL, 'd'); -- Good
-- Test copy
COPY nulltest FROM stdin; --fail
a b \N d d
\.
COPY nulltest FROM stdin; --fail
a b c d \N
\.
-- Last row is bad
COPY nulltest FROM stdin;
a b c \N c
a b c \N d
a b c \N a
\.
select * from nulltest ORDER BY 1,2,3;
-- Test out coerced (casted) constraints
SELECT cast('1' as dnotnull);
SELECT cast(NULL as dnotnull); -- fail
SELECT cast(cast(NULL as dnull) as dnotnull); -- fail
SELECT cast(col4 as dnotnull) from nulltest; -- fail
-- cleanup
drop table nulltest;
drop domain dnotnull restrict;
drop domain dnull restrict;
drop domain dcheck restrict;
create domain ddef1 int4 DEFAULT 3;
create domain ddef2 oid DEFAULT '12';
-- Type mixing, function returns int8
create domain ddef3 text DEFAULT 5;
create sequence ddef4_seq;
create domain ddef4 int4 DEFAULT nextval('ddef4_seq');
create domain ddef5 numeric(8,2) NOT NULL DEFAULT '12.12';
create table defaulttest
( col1 ddef1
, col2 ddef2
, col3 ddef3
, col4 ddef4 PRIMARY KEY
, col5 ddef1 NOT NULL DEFAULT NULL
, col6 ddef2 DEFAULT '88'
, col7 ddef4 DEFAULT 8000
, col8 ddef5
);
insert into defaulttest default values;
insert into defaulttest default values;
insert into defaulttest default values;
-- Test defaults with copy
COPY defaulttest(col5) FROM stdin;
42
\.
select * from defaulttest ORDER BY 1,2,3,4;
drop table defaulttest cascade;
-- Test ALTER DOMAIN .. NOT NULL
create domain dnotnulltest integer;
create table domnotnull
( col1 dnotnulltest
, col2 dnotnulltest
);
insert into domnotnull default values;
alter domain dnotnulltest set not null; -- fails
update domnotnull set col1 = 5;
alter domain dnotnulltest set not null; -- fails
update domnotnull set col2 = 6;
alter domain dnotnulltest set not null;
update domnotnull set col1 = null; -- fails
alter domain dnotnulltest drop not null;
update domnotnull set col1 = null;
drop domain dnotnulltest cascade;
-- Test ALTER DOMAIN .. DEFAULT ..
create table domdeftest (col1 ddef1);
insert into domdeftest default values;
select * from domdeftest ORDER BY 1;
alter domain ddef1 set default '42';
insert into domdeftest default values;
select * from domdeftest ORDER BY 1;
alter domain ddef1 drop default;
insert into domdeftest default values;
select * from domdeftest ORDER BY 1;
drop table domdeftest;
-- Test ALTER DOMAIN .. CONSTRAINT ..
create domain con as integer;
create table domcontest (col1 con);
insert into domcontest values (1);
insert into domcontest values (2);
alter domain con add constraint t check (VALUE < 1); -- fails
alter domain con add constraint t check (VALUE < 34);
alter domain con add check (VALUE > 0);
insert into domcontest values (-5); -- fails
insert into domcontest values (42); -- fails
insert into domcontest values (5);
alter domain con drop constraint t;
insert into domcontest values (-5); --fails
insert into domcontest values (42);
-- Confirm ALTER DOMAIN with RULES.
create table domtab (col1 integer);
create domain dom as integer;
create view domview as select cast(col1 as dom) from domtab;
insert into domtab (col1) values (null);
insert into domtab (col1) values (5);
select * from domview ORDER BY 1;
alter domain dom set not null;
select * from domview; -- fail
alter domain dom drop not null;
select * from domview ORDER BY 1;
alter domain dom add constraint domchkgt6 check(value > 6);
select * from domview; --fail
alter domain dom drop constraint domchkgt6 restrict;
select * from domview ORDER BY 1;
-- cleanup
drop domain ddef1 restrict;
drop domain ddef2 restrict;
drop domain ddef3 restrict;
drop domain ddef4 restrict;
drop domain ddef5 restrict;
drop sequence ddef4_seq;
-- Test domains over domains
create domain vchar4 varchar(4);
create domain dinter vchar4 check (substring(VALUE, 1, 1) = 'x');
create domain dtop dinter check (substring(VALUE, 2, 1) = '1');
select 'x123'::dtop;
select 'x1234'::dtop; -- explicit coercion should truncate
select 'y1234'::dtop; -- fail
select 'y123'::dtop; -- fail
select 'yz23'::dtop; -- fail
select 'xz23'::dtop; -- fail
create temp table dtest(f1 dtop);
insert into dtest values('x123');
insert into dtest values('x1234'); -- fail, implicit coercion
insert into dtest values('y1234'); -- fail, implicit coercion
insert into dtest values('y123'); -- fail
insert into dtest values('yz23'); -- fail
insert into dtest values('xz23'); -- fail
drop table dtest;
drop domain vchar4 cascade;
-- Make sure that constraints of newly-added domain columns are
-- enforced correctly, even if there's no default value for the new
-- column. Per bug #1433
create domain str_domain as text not null;
create table domain_test (a int, b int);
insert into domain_test values (1, 2);
insert into domain_test values (1, 2);
-- should fail
alter table domain_test add column c str_domain;
create domain str_domain2 as text check (value <> 'foo') default 'foo';
-- should fail
alter table domain_test add column d str_domain2;
-- Check that domain constraints on prepared statement parameters of
-- unknown type are enforced correctly.
create domain pos_int as int4 check (value > 0) not null;
prepare s1 as select $1::pos_int = 10 as "is_ten";
execute s1(10);
execute s1(0); -- should fail
execute s1(NULL); -- should fail
-- Check that domain constraints on plpgsql function parameters, results,
-- and local variables are enforced correctly.
create function doubledecrement(p1 pos_int) returns pos_int as $$
declare v pos_int;
begin
return p1;
end$$ language plpgsql;
select doubledecrement(3); -- fail because of implicit null assignment
create or replace function doubledecrement(p1 pos_int) returns pos_int as $$
declare v pos_int := 0;
begin
return p1;
end$$ language plpgsql;
select doubledecrement(3); -- fail at initialization assignment
create or replace function doubledecrement(p1 pos_int) returns pos_int as $$
declare v pos_int := 1;
begin
v := p1 - 1;
return v - 1;
end$$ language plpgsql;
select doubledecrement(null); -- fail before call
select doubledecrement(0); -- fail before call
select doubledecrement(1); -- fail at assignment to v
select doubledecrement(2); -- fail at return
select doubledecrement(3); -- good
-- Check that ALTER DOMAIN tests columns of derived types
create domain posint as int4;
-- Currently, this doesn't work for composite types, but verify it complains
create type ddtest1 as (f1 posint);
create table ddtest2(f1 ddtest1);
insert into ddtest2 values(row(-1));
alter domain posint add constraint c1 check(value >= 0);
drop table ddtest2;
alter domain posint add constraint c1 check(value >= 0);
create domain posint2 as posint check (value % 2 = 0);
create table ddtest2(f1 posint2);
insert into ddtest2 values(11); -- fail
insert into ddtest2 values(-2); -- fail
insert into ddtest2 values(2);
alter domain posint add constraint c2 check(value >= 10); -- fail
alter domain posint add constraint c2 check(value > 0); -- OK
drop table ddtest2;
drop type ddtest1;
drop domain posint cascade;