src/test/regress/sql/run_ruletest.sql

+--
+-- Tests on a view that is select * of a table
+-- and has insert/update/delete instead rules to
+-- behave close like the real table.
+--
+
+--
+-- We need test date later
+--
+insert into rtest_t2 values (1, 21);
+insert into rtest_t2 values (2, 22);
+insert into rtest_t2 values (3, 23);
+
+insert into rtest_t3 values (1, 31);
+insert into rtest_t3 values (2, 32);
+insert into rtest_t3 values (3, 33);
+insert into rtest_t3 values (4, 34);
+insert into rtest_t3 values (5, 35);
+
+-- insert values
+insert into rtest_v1 values (1, 11);
+insert into rtest_v1 values (2, 12);
+select * from rtest_v1;
+
+-- delete with constant expression
+delete from rtest_v1 where a = 1;
+select * from rtest_v1;
+insert into rtest_v1 values (1, 11);
+delete from rtest_v1 where b = 12;
+select * from rtest_v1;
+insert into rtest_v1 values (2, 12);
+insert into rtest_v1 values (2, 13);
+select * from rtest_v1;
+** Remember the delete rule on rtest_v1: It says
+** DO INSTEAD DELETE FROM rtest_t1 WHERE a = current.a
+** So this time both rows with a = 2 must get deleted
+\p
+\r
+delete from rtest_v1 where b = 12;
+select * from rtest_v1;
+delete from rtest_v1;
+
+-- insert select
+insert into rtest_v1 select * from rtest_t2;
+select * from rtest_v1;
+delete from rtest_v1;
+
+-- same with swapped targetlist
+insert into rtest_v1 (b, a) select b, a from rtest_t2;
+select * from rtest_v1;
+
+-- now with only one target attribute
+insert into rtest_v1 (a) select a from rtest_t3;
+select * from rtest_v1;
+select * from rtest_v1 where b isnull;
+
+-- let attribute a differ (must be done on rtest_t1 - see above)
+update rtest_t1 set a = a + 10 where b isnull;
+delete from rtest_v1 where b isnull;
+select * from rtest_v1;
+
+-- now updates with constant expression
+update rtest_v1 set b = 42 where a = 2;
+select * from rtest_v1;
+update rtest_v1 set b = 99 where b = 42;
+select * from rtest_v1;
+update rtest_v1 set b = 88 where b < 50;
+select * from rtest_v1;
+delete from rtest_v1;
+insert into rtest_v1 select rtest_t2.a, rtest_t3.b where rtest_t2.a = rtest_t3.a;
+select * from rtest_v1;
+
+-- updates in a mergejoin
+update rtest_v1 set b = rtest_t2.b where a = rtest_t2.a;
+select * from rtest_v1;
+insert into rtest_v1 select * from rtest_t3;
+select * from rtest_v1;
+update rtest_t1 set a = a + 10 where b > 30;
+select * from rtest_v1;
+update rtest_v1 set a = rtest_t3.a + 20 where b = rtest_t3.b;
+select * from rtest_v1;
+
+--
+-- Test for constraint updates/deletes
+--
+insert into rtest_system values ('orion', 'Linux Jan Wieck');
+insert into rtest_system values ('notjw', 'WinNT Jan Wieck (notebook)');
+insert into rtest_system values ('neptun', 'Fileserver');
+
+insert into rtest_interface values ('orion', 'eth0');
+insert into rtest_interface values ('orion', 'eth1');
+insert into rtest_interface values ('notjw', 'eth0');
+insert into rtest_interface values ('neptun', 'eth0');
+
+insert into rtest_person values ('jw', 'Jan Wieck');
+insert into rtest_person values ('bm', 'Bruce Momjian');
+
+insert into rtest_admin values ('jw', 'orion');
+insert into rtest_admin values ('jw', 'notjw');
+insert into rtest_admin values ('bm', 'neptun');
+
+update rtest_system set sysname = 'pluto' where sysname = 'neptun';
+
+select * from rtest_interface;
+select * from rtest_admin;
+
+update rtest_person set pname = 'jwieck' where pdesc = 'Jan Wieck';
+
+select * from rtest_admin;
+
+delete from rtest_system where sysname = 'orion';
+
+select * from rtest_interface;
+select * from rtest_admin;
+
+--
+-- Rule qualification test
+--
+insert into rtest_emp values ('wiech', '5000.00');
+insert into rtest_emp values ('gates', '80000.00');
+update rtest_emp set ename = 'wiecx' where ename = 'wiech';
+update rtest_emp set ename = 'wieck', salary = '6000.00' where ename = 'wiecx';
+update rtest_emp set salary = '7000.00' where ename = 'wieck';
+delete from rtest_emp where ename = 'gates';
+
+select * from rtest_emplog;
+insert into rtest_empmass values ('meyer', '4000.00');
+insert into rtest_empmass values ('maier', '5000.00');
+insert into rtest_empmass values ('mayr', '6000.00');
+insert into rtest_emp select * from rtest_empmass;
+select * from rtest_emplog;
+update rtest_empmass set salary = salary + '1000.00';
+update rtest_emp set salary = rtest_empmass.salary where ename = rtest_empmass.ename;
+select * from rtest_emplog;
+delete from rtest_emp where ename = rtest_empmass.ename;
+select * from rtest_emplog;
+
+--
+-- Multiple cascaded qualified instead rule test
+--
+insert into rtest_t4 values (1, 'Record should go to rtest_t4');
+insert into rtest_t4 values (2, 'Record should go to rtest_t4');
+insert into rtest_t4 values (10, 'Record should go to rtest_t5');
+insert into rtest_t4 values (15, 'Record should go to rtest_t5');
+insert into rtest_t4 values (19, 'Record should go to rtest_t5 and t7');
+insert into rtest_t4 values (20, 'Record should go to rtest_t4 and t6');
+insert into rtest_t4 values (26, 'Record should go to rtest_t4 and t8');
+insert into rtest_t4 values (28, 'Record should go to rtest_t4 and t8');
+insert into rtest_t4 values (30, 'Record should go to rtest_t4');
+insert into rtest_t4 values (40, 'Record should go to rtest_t4');
+
+select * from rtest_t4;
+select * from rtest_t5;
+select * from rtest_t6;
+select * from rtest_t7;
+select * from rtest_t8;
+
+delete from rtest_t4;
+delete from rtest_t5;
+delete from rtest_t6;
+delete from rtest_t7;
+delete from rtest_t8;
+
+insert into rtest_t9 values (1, 'Record should go to rtest_t4');
+insert into rtest_t9 values (2, 'Record should go to rtest_t4');
+insert into rtest_t9 values (10, 'Record should go to rtest_t5');
+insert into rtest_t9 values (15, 'Record should go to rtest_t5');
+insert into rtest_t9 values (19, 'Record should go to rtest_t5 and t7');
+insert into rtest_t9 values (20, 'Record should go to rtest_t4 and t6');
+insert into rtest_t9 values (26, 'Record should go to rtest_t4 and t8');
+insert into rtest_t9 values (28, 'Record should go to rtest_t4 and t8');
+insert into rtest_t9 values (30, 'Record should go to rtest_t4');
+insert into rtest_t9 values (40, 'Record should go to rtest_t4');
+
+insert into rtest_t4 select * from rtest_t9 where a < 20;
+
+select * from rtest_t4;
+select * from rtest_t5;
+select * from rtest_t6;
+select * from rtest_t7;
+select * from rtest_t8;
+
+insert into rtest_t4 select * from rtest_t9 where b ~ 'and t8';
+
+select * from rtest_t4;
+select * from rtest_t5;
+select * from rtest_t6;
+select * from rtest_t7;
+select * from rtest_t8;
+
+insert into rtest_t4 select a + 1, b from rtest_t9 where a in (20, 30, 40);
+
+select * from rtest_t4;
+select * from rtest_t5;
+select * from rtest_t6;
+select * from rtest_t7;
+select * from rtest_t8;
+
+--
+-- Check that the ordering of rules fired is correct
+--
+insert into rtest_order1 values (1);
+select * from rtest_order2;
+
+--
+-- Check if instead nothing w/without qualification works
+--
+insert into rtest_nothn1 values (1, 'want this');
+insert into rtest_nothn1 values (2, 'want this');
+insert into rtest_nothn1 values (10, 'don''t want this');
+insert into rtest_nothn1 values (19, 'don''t want this');
+insert into rtest_nothn1 values (20, 'want this');
+insert into rtest_nothn1 values (29, 'want this');
+insert into rtest_nothn1 values (30, 'don''t want this');
+insert into rtest_nothn1 values (39, 'don''t want this');
+insert into rtest_nothn1 values (40, 'want this');
+insert into rtest_nothn1 values (50, 'want this');
+insert into rtest_nothn1 values (60, 'want this');
+
+select * from rtest_nothn1;
+
+insert into rtest_nothn2 values (10, 'too small');
+insert into rtest_nothn2 values (50, 'too small');
+insert into rtest_nothn2 values (100, 'OK');
+insert into rtest_nothn2 values (200, 'OK');
+
+select * from rtest_nothn2;
+select * from rtest_nothn3;
+
+delete from rtest_nothn1;
+delete from rtest_nothn2;
+delete from rtest_nothn3;
+
+insert into rtest_nothn4 values (1, 'want this');
+insert into rtest_nothn4 values (2, 'want this');
+insert into rtest_nothn4 values (10, 'don''t want this');
+insert into rtest_nothn4 values (19, 'don''t want this');
+insert into rtest_nothn4 values (20, 'want this');
+insert into rtest_nothn4 values (29, 'want this');
+insert into rtest_nothn4 values (30, 'don''t want this');
+insert into rtest_nothn4 values (39, 'don''t want this');
+insert into rtest_nothn4 values (40, 'want this');
+insert into rtest_nothn4 values (50, 'want this');
+insert into rtest_nothn4 values (60, 'want this');
+
+insert into rtest_nothn1 select * from rtest_nothn4;
+
+select * from rtest_nothn1;
+
+delete from rtest_nothn4;
+
+insert into rtest_nothn4 values (10, 'too small');
+insert into rtest_nothn4 values (50, 'too small');
+insert into rtest_nothn4 values (100, 'OK');
+insert into rtest_nothn4 values (200, 'OK');
+
+insert into rtest_nothn2 select * from rtest_nothn4;
+
+select * from rtest_nothn2;
+select * from rtest_nothn3;
+

src/test/regress/sql/setup_ruletest.sql

+--
+-- Tables and rules for the view test
+--
+create table rtest_t1 (a int4, b int4);
+create table rtest_t2 (a int4, b int4);
+create table rtest_t3 (a int4, b int4);
+
+create view rtest_v1 as select * from rtest_t1;
+create rule rtest_v1_ins as on insert to rtest_v1 do instead
+	insert into rtest_t1 values (new.a, new.b);
+create rule rtest_v1_upd as on update to rtest_v1 do instead
+	update rtest_t1 set a = new.a, b = new.b
+	where a = current.a;
+create rule rtest_v1_del as on delete to rtest_v1 do instead
+	delete from rtest_t1 where a = current.a;
+
+--
+-- Tables and rules for the constraint update/delete test
+--
+-- Note:
+-- 	psql prevents from putting colons into brackets as
+-- 	required for multi action rules. So we define single
+-- 	rules for each action required for now
+--
+create table rtest_system (sysname text, sysdesc text);
+create table rtest_interface (sysname text, ifname text);
+create table rtest_person (pname text, pdesc text);
+create table rtest_admin (pname text, sysname text);
+
+create rule rtest_sys_upd1 as on update to rtest_system do 
+	update rtest_interface set sysname = new.sysname 
+		where sysname = current.sysname;
+create rule rtest_sys_upd2 as on update to rtest_system do 
+	update rtest_admin set sysname = new.sysname 
+		where sysname = current.sysname;
+
+create rule rtest_sys_del1 as on delete to rtest_system do
+	delete from rtest_interface where sysname = current.sysname;
+create rule rtest_sys_del2 as on delete to rtest_system do
+	delete from rtest_admin where sysname = current.sysname;
+
+create rule rtest_pers_upd as on update to rtest_person do 
+	update rtest_admin set pname = new.pname where pname = current.pname;
+
+create rule rtest_pers_del as on delete to rtest_person do 
+	delete from rtest_admin where pname = current.pname;
+
+--
+-- Tables and rules for the logging test
+--
+create table rtest_emp (ename char(20), salary money);
+create table rtest_emplog (ename char(20), who name, action char(10), newsal money, oldsal money);
+create table rtest_empmass (ename char(20), salary money);
+
+create rule rtest_emp_ins as on insert to rtest_emp do
+	insert into rtest_emplog values (new.ename, getpgusername(),
+			'hired', new.salary, '0.00');
+
+create rule rtest_emp_upd as on update to rtest_emp where new.salary != current.salary do
+	insert into rtest_emplog values (new.ename, getpgusername(),
+			'honored', new.salary, current.salary);
+
+create rule rtest_emp_del as on delete to rtest_emp do
+	insert into rtest_emplog values (current.ename, getpgusername(),
+			'fired', '0.00', current.salary);
+
+--
+-- Tables and rules for the multiple cascaded qualified instead
+-- rule test 
+--
+create table rtest_t4 (a int4, b text);
+create table rtest_t5 (a int4, b text);
+create table rtest_t6 (a int4, b text);
+create table rtest_t7 (a int4, b text);
+create table rtest_t8 (a int4, b text);
+create table rtest_t9 (a int4, b text);
+
+create rule rtest_t4_ins1 as on insert to rtest_t4
+		where new.a >= 10 and new.a < 20 do instead
+	insert into rtest_t5 values (new.a, new.b);
+
+create rule rtest_t4_ins2 as on insert to rtest_t4
+		where new.a >= 20 and new.a < 30 do
+	insert into rtest_t6 values (new.a, new.b);
+
+create rule rtest_t5_ins as on insert to rtest_t5
+		where new.a > 15 do
+	insert into rtest_t7 values (new.a, new.b);
+
+create rule rtest_t6_ins as on insert to rtest_t6
+		where new.a > 25 do instead
+	insert into rtest_t8 values (new.a, new.b);
+
+--
+-- Tables and rules for the rule fire order test
+--
+create table rtest_order1 (a int4);
+create table rtest_order2 (a int4, b int4, c text);
+
+create sequence rtest_seq;
+
+create rule rtest_order_r3 as on insert to rtest_order1 do instead
+	insert into rtest_order2 values (new.a, nextval('rtest_seq'),
+		'rule 3 - this should run 3rd or 4th');
+
+create rule rtest_order_r4 as on insert to rtest_order1
+		where a < 100 do instead
+	insert into rtest_order2 values (new.a, nextval('rtest_seq'),
+		'rule 4 - this should run 2nd');
+
+create rule rtest_order_r2 as on insert to rtest_order1 do
+	insert into rtest_order2 values (new.a, nextval('rtest_seq'),
+		'rule 2 - this should run 1st');
+
+create rule rtest_order_r1 as on insert to rtest_order1 do instead
+	insert into rtest_order2 values (new.a, nextval('rtest_seq'),
+		'rule 1 - this should run 3rd or 4th');
+
+--
+-- Tables and rules for the instead nothing test
+--
+create table rtest_nothn1 (a int4, b text);
+create table rtest_nothn2 (a int4, b text);
+create table rtest_nothn3 (a int4, b text);
+create table rtest_nothn4 (a int4, b text);
+
+create rule rtest_nothn_r1 as on insert to rtest_nothn1
+	where new.a >= 10 and new.a < 20 do instead (select 1);
+
+create rule rtest_nothn_r2 as on insert to rtest_nothn1
+	where new.a >= 30 and new.a < 40 do instead nothing;
+
+create rule rtest_nothn_r3 as on insert to rtest_nothn2
+	where new.a >= 100 do instead
+	insert into rtest_nothn3 values (new.a, new.b);
+
+create rule rtest_nothn_r4 as on insert to rtest_nothn2
+	do instead nothing;
+

src/test/regress/sql/tests

@@ -61,3 +61,5 @@ hash_index
 select_views
 alter_table
 portals_p2
+run_ruletest.sql
+setup_ruletest.sql