Repair two constraint-exclusion corner cases triggered by proving that an

[postgresql] / src / test / regress / expected / rules.out

--
-- RULES
-- From Jan's original setup_ruletest.sql and run_ruletest.sql
-- - thomas 1998-09-13
--
--
-- 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 = old.a;
create rule rtest_v1_del as on delete to rtest_v1 do instead
        delete from rtest_t1 where a = old.a;
-- Test comments
COMMENT ON RULE rtest_v1_bad ON rtest_v1 IS 'bad rule';
ERROR:  rule "rtest_v1_bad" for relation "rtest_v1" does not exist
COMMENT ON RULE rtest_v1_del ON rtest_v1 IS 'delete rule';
COMMENT ON RULE rtest_v1_del ON rtest_v1 IS NULL;
--
-- Tables and rules for the constraint update/delete test
--
-- Note:
--      Now that we have multiple action rule support, we check
--      both possible syntaxes to define them (The last action
--  can but must not have a semicolon at the end).
--
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_upd as on update to rtest_system do also (
        update rtest_interface set sysname = new.sysname 
                where sysname = old.sysname;
        update rtest_admin set sysname = new.sysname 
                where sysname = old.sysname
        );
create rule rtest_sys_del as on delete to rtest_system do also (
        delete from rtest_interface where sysname = old.sysname;
        delete from rtest_admin where sysname = old.sysname;
        );
create rule rtest_pers_upd as on update to rtest_person do also
        update rtest_admin set pname = new.pname where pname = old.pname;
create rule rtest_pers_del as on delete to rtest_person do also
        delete from rtest_admin where pname = old.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, current_user,
                        'hired', new.salary, '0.00');
create rule rtest_emp_upd as on update to rtest_emp where new.salary != old.salary do
        insert into rtest_emplog values (new.ename, current_user,
                        'honored', new.salary, old.salary);
create rule rtest_emp_del as on delete to rtest_emp do
        insert into rtest_emplog values (old.ename, current_user,
                        'fired', '0.00', old.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
--
-- As of PG 7.3, the rules should fire in order by name, regardless
-- of INSTEAD attributes or creation order.
--
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');
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 4th');
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 2nd');
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 1st');
--
-- 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 nothing;
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;
--
-- 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;
 a | b  
---+----
 1 | 11
 2 | 12
(2 rows)

-- delete with constant expression
delete from rtest_v1 where a = 1;
select * from rtest_v1;
 a | b  
---+----
 2 | 12
(1 row)

insert into rtest_v1 values (1, 11);
delete from rtest_v1 where b = 12;
select * from rtest_v1;
 a | b  
---+----
 1 | 11
(1 row)

insert into rtest_v1 values (2, 12);
insert into rtest_v1 values (2, 13);
select * from rtest_v1;
 a | b  
---+----
 1 | 11
 2 | 12
 2 | 13
(3 rows)

** Remember the delete rule on rtest_v1: It says
** DO INSTEAD DELETE FROM rtest_t1 WHERE a = old.a
** So this time both rows with a = 2 must get deleted
\p
** Remember the delete rule on rtest_v1: It says
** DO INSTEAD DELETE FROM rtest_t1 WHERE a = old.a
** So this time both rows with a = 2 must get deleted
\r
delete from rtest_v1 where b = 12;
select * from rtest_v1;
 a | b  
---+----
 1 | 11
(1 row)

delete from rtest_v1;
-- insert select
insert into rtest_v1 select * from rtest_t2;
select * from rtest_v1;
 a | b  
---+----
 1 | 21
 2 | 22
 3 | 23
(3 rows)

delete from rtest_v1;
-- same with swapped targetlist
insert into rtest_v1 (b, a) select b, a from rtest_t2;
select * from rtest_v1;
 a | b  
---+----
 1 | 21
 2 | 22
 3 | 23
(3 rows)

-- now with only one target attribute
insert into rtest_v1 (a) select a from rtest_t3;
select * from rtest_v1;
 a | b  
---+----
 1 | 21
 2 | 22
 3 | 23
 1 |   
 2 |   
 3 |   
 4 |   
 5 |   
(8 rows)

select * from rtest_v1 where b isnull;
 a | b 
---+---
 1 |  
 2 |  
 3 |  
 4 |  
 5 |  
(5 rows)

-- 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;
 a | b  
---+----
 1 | 21
 2 | 22
 3 | 23
(3 rows)

-- now updates with constant expression
update rtest_v1 set b = 42 where a = 2;
select * from rtest_v1;
 a | b  
---+----
 1 | 21
 3 | 23
 2 | 42
(3 rows)

update rtest_v1 set b = 99 where b = 42;
select * from rtest_v1;
 a | b  
---+----
 1 | 21
 3 | 23
 2 | 99
(3 rows)

update rtest_v1 set b = 88 where b < 50;
select * from rtest_v1;
 a | b  
---+----
 2 | 99
 1 | 88
 3 | 88
(3 rows)

delete from rtest_v1;
insert into rtest_v1 select rtest_t2.a, rtest_t3.b
    from rtest_t2, rtest_t3
    where rtest_t2.a = rtest_t3.a;
select * from rtest_v1;
 a | b  
---+----
 1 | 31
 2 | 32
 3 | 33
(3 rows)

-- updates in a mergejoin
update rtest_v1 set b = rtest_t2.b from rtest_t2 where rtest_v1.a = rtest_t2.a;
select * from rtest_v1;
 a | b  
---+----
 1 | 21
 2 | 22
 3 | 23
(3 rows)

insert into rtest_v1 select * from rtest_t3;
select * from rtest_v1;
 a | b  
---+----
 1 | 21
 2 | 22
 3 | 23
 1 | 31
 2 | 32
 3 | 33
 4 | 34
 5 | 35
(8 rows)

update rtest_t1 set a = a + 10 where b > 30;
select * from rtest_v1;
 a  | b  
----+----
  1 | 21
  2 | 22
  3 | 23
 11 | 31
 12 | 32
 13 | 33
 14 | 34
 15 | 35
(8 rows)

update rtest_v1 set a = rtest_t3.a + 20 from rtest_t3 where rtest_v1.b = rtest_t3.b;
select * from rtest_v1;
 a  | b  
----+----
  1 | 21
  2 | 22
  3 | 23
 21 | 31
 22 | 32
 23 | 33
 24 | 34
 25 | 35
(8 rows)

--
-- 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;
 sysname | ifname 
---------+--------
 orion   | eth0
 orion   | eth1
 notjw   | eth0
 pluto   | eth0
(4 rows)

select * from rtest_admin;
 pname | sysname 
-------+---------
 jw    | orion
 jw    | notjw
 bm    | pluto
(3 rows)

update rtest_person set pname = 'jwieck' where pdesc = 'Jan Wieck';
-- Note: use ORDER BY here to ensure consistent output across all systems.
-- The above UPDATE affects two rows with equal keys, so they could be
-- updated in either order depending on the whim of the local qsort().
select * from rtest_admin order by pname, sysname;
 pname  | sysname 
--------+---------
 bm     | pluto
 jwieck | notjw
 jwieck | orion
(3 rows)

delete from rtest_system where sysname = 'orion';
select * from rtest_interface;
 sysname | ifname 
---------+--------
 notjw   | eth0
 pluto   | eth0
(2 rows)

select * from rtest_admin;
 pname  | sysname 
--------+---------
 bm     | pluto
 jwieck | notjw
(2 rows)

--
-- 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 ename, who = current_user as "matches user", action, newsal, oldsal from rtest_emplog order by ename, action, newsal;
        ename         | matches user |   action   |   newsal   |   oldsal   
----------------------+--------------+------------+------------+------------
 gates                | t            | fired      |      $0.00 | $80,000.00
 gates                | t            | hired      | $80,000.00 |      $0.00
 wiech                | t            | hired      |  $5,000.00 |      $0.00
 wieck                | t            | honored    |  $6,000.00 |  $5,000.00
 wieck                | t            | honored    |  $7,000.00 |  $6,000.00
(5 rows)

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 ename, who = current_user as "matches user", action, newsal, oldsal from rtest_emplog order by ename, action, newsal;
        ename         | matches user |   action   |   newsal   |   oldsal   
----------------------+--------------+------------+------------+------------
 gates                | t            | fired      |      $0.00 | $80,000.00
 gates                | t            | hired      | $80,000.00 |      $0.00
 maier                | t            | hired      |  $5,000.00 |      $0.00
 mayr                 | t            | hired      |  $6,000.00 |      $0.00
 meyer                | t            | hired      |  $4,000.00 |      $0.00
 wiech                | t            | hired      |  $5,000.00 |      $0.00
 wieck                | t            | honored    |  $6,000.00 |  $5,000.00
 wieck                | t            | honored    |  $7,000.00 |  $6,000.00
(8 rows)

update rtest_empmass set salary = salary + '1000.00';
update rtest_emp set salary = rtest_empmass.salary from rtest_empmass where rtest_emp.ename = rtest_empmass.ename;
select ename, who = current_user as "matches user", action, newsal, oldsal from rtest_emplog order by ename, action, newsal;
        ename         | matches user |   action   |   newsal   |   oldsal   
----------------------+--------------+------------+------------+------------
 gates                | t            | fired      |      $0.00 | $80,000.00
 gates                | t            | hired      | $80,000.00 |      $0.00
 maier                | t            | hired      |  $5,000.00 |      $0.00
 maier                | t            | honored    |  $6,000.00 |  $5,000.00
 mayr                 | t            | hired      |  $6,000.00 |      $0.00
 mayr                 | t            | honored    |  $7,000.00 |  $6,000.00
 meyer                | t            | hired      |  $4,000.00 |      $0.00
 meyer                | t            | honored    |  $5,000.00 |  $4,000.00
 wiech                | t            | hired      |  $5,000.00 |      $0.00
 wieck                | t            | honored    |  $6,000.00 |  $5,000.00
 wieck                | t            | honored    |  $7,000.00 |  $6,000.00
(11 rows)

delete from rtest_emp using rtest_empmass where rtest_emp.ename = rtest_empmass.ename;
select ename, who = current_user as "matches user", action, newsal, oldsal from rtest_emplog order by ename, action, newsal;
        ename         | matches user |   action   |   newsal   |   oldsal   
----------------------+--------------+------------+------------+------------
 gates                | t            | fired      |      $0.00 | $80,000.00
 gates                | t            | hired      | $80,000.00 |      $0.00
 maier                | t            | fired      |      $0.00 |  $6,000.00
 maier                | t            | hired      |  $5,000.00 |      $0.00
 maier                | t            | honored    |  $6,000.00 |  $5,000.00
 mayr                 | t            | fired      |      $0.00 |  $7,000.00
 mayr                 | t            | hired      |  $6,000.00 |      $0.00
 mayr                 | t            | honored    |  $7,000.00 |  $6,000.00
 meyer                | t            | fired      |      $0.00 |  $5,000.00
 meyer                | t            | hired      |  $4,000.00 |      $0.00
 meyer                | t            | honored    |  $5,000.00 |  $4,000.00
 wiech                | t            | hired      |  $5,000.00 |      $0.00
 wieck                | t            | honored    |  $6,000.00 |  $5,000.00
 wieck                | t            | honored    |  $7,000.00 |  $6,000.00
(14 rows)

--
-- 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;
 a  |                  b                  
----+-------------------------------------
  1 | Record should go to rtest_t4
  2 | Record should go to rtest_t4
 20 | Record should go to rtest_t4 and t6
 26 | Record should go to rtest_t4 and t8
 28 | Record should go to rtest_t4 and t8
 30 | Record should go to rtest_t4
 40 | Record should go to rtest_t4
(7 rows)

select * from rtest_t5;
 a  |                  b                  
----+-------------------------------------
 10 | Record should go to rtest_t5
 15 | Record should go to rtest_t5
 19 | Record should go to rtest_t5 and t7
(3 rows)

select * from rtest_t6;
 a  |                  b                  
----+-------------------------------------
 20 | Record should go to rtest_t4 and t6
(1 row)

select * from rtest_t7;
 a  |                  b                  
----+-------------------------------------
 19 | Record should go to rtest_t5 and t7
(1 row)

select * from rtest_t8;
 a  |                  b                  
----+-------------------------------------
 26 | Record should go to rtest_t4 and t8
 28 | Record should go to rtest_t4 and t8
(2 rows)

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;
 a |              b               
---+------------------------------
 1 | Record should go to rtest_t4
 2 | Record should go to rtest_t4
(2 rows)

select * from rtest_t5;
 a  |                  b                  
----+-------------------------------------
 10 | Record should go to rtest_t5
 15 | Record should go to rtest_t5
 19 | Record should go to rtest_t5 and t7
(3 rows)

select * from rtest_t6;
 a | b 
---+---
(0 rows)

select * from rtest_t7;
 a  |                  b                  
----+-------------------------------------
 19 | Record should go to rtest_t5 and t7
(1 row)

select * from rtest_t8;
 a | b 
---+---
(0 rows)

insert into rtest_t4 select * from rtest_t9 where b ~ 'and t8';
select * from rtest_t4;
 a  |                  b                  
----+-------------------------------------
  1 | Record should go to rtest_t4
  2 | Record should go to rtest_t4
 26 | Record should go to rtest_t4 and t8
 28 | Record should go to rtest_t4 and t8
(4 rows)

select * from rtest_t5;
 a  |                  b                  
----+-------------------------------------
 10 | Record should go to rtest_t5
 15 | Record should go to rtest_t5
 19 | Record should go to rtest_t5 and t7
(3 rows)

select * from rtest_t6;
 a | b 
---+---
(0 rows)

select * from rtest_t7;
 a  |                  b                  
----+-------------------------------------
 19 | Record should go to rtest_t5 and t7
(1 row)

select * from rtest_t8;
 a  |                  b                  
----+-------------------------------------
 26 | Record should go to rtest_t4 and t8
 28 | Record should go to rtest_t4 and t8
(2 rows)

insert into rtest_t4 select a + 1, b from rtest_t9 where a in (20, 30, 40);
select * from rtest_t4;
 a  |                  b                  
----+-------------------------------------
  1 | Record should go to rtest_t4
  2 | Record should go to rtest_t4
 26 | Record should go to rtest_t4 and t8
 28 | Record should go to rtest_t4 and t8
 21 | Record should go to rtest_t4 and t6
 31 | Record should go to rtest_t4
 41 | Record should go to rtest_t4
(7 rows)

select * from rtest_t5;
 a  |                  b                  
----+-------------------------------------
 10 | Record should go to rtest_t5
 15 | Record should go to rtest_t5
 19 | Record should go to rtest_t5 and t7
(3 rows)

select * from rtest_t6;
 a  |                  b                  
----+-------------------------------------
 21 | Record should go to rtest_t4 and t6
(1 row)

select * from rtest_t7;
 a  |                  b                  
----+-------------------------------------
 19 | Record should go to rtest_t5 and t7
(1 row)

select * from rtest_t8;
 a  |                  b                  
----+-------------------------------------
 26 | Record should go to rtest_t4 and t8
 28 | Record should go to rtest_t4 and t8
(2 rows)

--
-- Check that the ordering of rules fired is correct
--
insert into rtest_order1 values (1);
select * from rtest_order2;
 a | b |              c               
---+---+------------------------------
 1 | 1 | rule 1 - this should run 1st
 1 | 2 | rule 2 - this should run 2nd
 1 | 3 | rule 3 - this should run 3rd
 1 | 4 | rule 4 - this should run 4th
(4 rows)

--
-- 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;
 a  |     b     
----+-----------
  1 | want this
  2 | want this
 20 | want this
 29 | want this
 40 | want this
 50 | want this
 60 | want this
(7 rows)

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;
 a | b 
---+---
(0 rows)

select * from rtest_nothn3;
  a  | b  
-----+----
 100 | OK
 200 | OK
(2 rows)

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;
 a  |     b     
----+-----------
  1 | want this
  2 | want this
 20 | want this
 29 | want this
 40 | want this
 50 | want this
 60 | want this
(7 rows)

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;
 a | b 
---+---
(0 rows)

select * from rtest_nothn3;
  a  | b  
-----+----
 100 | OK
 200 | OK
(2 rows)

create table rtest_view1 (a int4, b text, v bool);
create table rtest_view2 (a int4);
create table rtest_view3 (a int4, b text);
create table rtest_view4 (a int4, b text, c int4);
create view rtest_vview1 as select a, b from rtest_view1 X 
        where 0 < (select count(*) from rtest_view2 Y where Y.a = X.a);
create view rtest_vview2 as select a, b from rtest_view1 where v;
create view rtest_vview3 as select a, b from rtest_vview2 X
        where 0 < (select count(*) from rtest_view2 Y where Y.a = X.a);
create view rtest_vview4 as select X.a, X.b, count(Y.a) as refcount
        from rtest_view1 X, rtest_view2 Y
        where X.a = Y.a
        group by X.a, X.b;
create function rtest_viewfunc1(int4) returns int4 as
        'select count(*)::int4 from rtest_view2 where a = $1'
        language sql;
create view rtest_vview5 as select a, b, rtest_viewfunc1(a) as refcount
        from rtest_view1;
insert into rtest_view1 values (1, 'item 1', 't');
insert into rtest_view1 values (2, 'item 2', 't');
insert into rtest_view1 values (3, 'item 3', 't');
insert into rtest_view1 values (4, 'item 4', 'f');
insert into rtest_view1 values (5, 'item 5', 't');
insert into rtest_view1 values (6, 'item 6', 'f');
insert into rtest_view1 values (7, 'item 7', 't');
insert into rtest_view1 values (8, 'item 8', 't');
insert into rtest_view2 values (2);
insert into rtest_view2 values (2);
insert into rtest_view2 values (4);
insert into rtest_view2 values (5);
insert into rtest_view2 values (7);
insert into rtest_view2 values (7);
insert into rtest_view2 values (7);
insert into rtest_view2 values (7);
select * from rtest_vview1;
 a |   b    
---+--------
 2 | item 2
 4 | item 4
 5 | item 5
 7 | item 7
(4 rows)

select * from rtest_vview2;
 a |   b    
---+--------
 1 | item 1
 2 | item 2
 3 | item 3
 5 | item 5
 7 | item 7
 8 | item 8
(6 rows)

select * from rtest_vview3;
 a |   b    
---+--------
 2 | item 2
 5 | item 5
 7 | item 7
(3 rows)

select * from rtest_vview4 order by a, b;
 a |   b    | refcount 
---+--------+----------
 2 | item 2 |        2
 4 | item 4 |        1
 5 | item 5 |        1
 7 | item 7 |        4
(4 rows)

select * from rtest_vview5;
 a |   b    | refcount 
---+--------+----------
 1 | item 1 |        0
 2 | item 2 |        2
 3 | item 3 |        0
 4 | item 4 |        1
 5 | item 5 |        1
 6 | item 6 |        0
 7 | item 7 |        4
 8 | item 8 |        0
(8 rows)

insert into rtest_view3 select * from rtest_vview1 where a < 7;
select * from rtest_view3;
 a |   b    
---+--------
 2 | item 2
 4 | item 4
 5 | item 5
(3 rows)

delete from rtest_view3;
insert into rtest_view3 select * from rtest_vview2 where a != 5 and b !~ '2';
select * from rtest_view3;
 a |   b    
---+--------
 1 | item 1
 3 | item 3
 7 | item 7
 8 | item 8
(4 rows)

delete from rtest_view3;
insert into rtest_view3 select * from rtest_vview3;
select * from rtest_view3;
 a |   b    
---+--------
 2 | item 2
 5 | item 5
 7 | item 7
(3 rows)

delete from rtest_view3;
insert into rtest_view4 select * from rtest_vview4 where 3 > refcount;
select * from rtest_view4 order by a, b;
 a |   b    | c 
---+--------+---
 2 | item 2 | 2
 4 | item 4 | 1
 5 | item 5 | 1
(3 rows)

delete from rtest_view4;
insert into rtest_view4 select * from rtest_vview5 where a > 2 and refcount = 0;
select * from rtest_view4;
 a |   b    | c 
---+--------+---
 3 | item 3 | 0
 6 | item 6 | 0
 8 | item 8 | 0
(3 rows)

delete from rtest_view4;
--
-- Test for computations in views
--
create table rtest_comp (
        part    text,
        unit    char(4),
        size    float
);
create table rtest_unitfact (
        unit    char(4),
        factor  float
);
create view rtest_vcomp as 
        select X.part, (X.size * Y.factor) as size_in_cm
                        from rtest_comp X, rtest_unitfact Y
                        where X.unit = Y.unit;
insert into rtest_unitfact values ('m', 100.0);
insert into rtest_unitfact values ('cm', 1.0);
insert into rtest_unitfact values ('inch', 2.54);
insert into rtest_comp values ('p1', 'm', 5.0);
insert into rtest_comp values ('p2', 'm', 3.0);
insert into rtest_comp values ('p3', 'cm', 5.0);
insert into rtest_comp values ('p4', 'cm', 15.0);
insert into rtest_comp values ('p5', 'inch', 7.0);
insert into rtest_comp values ('p6', 'inch', 4.4);
select * from rtest_vcomp order by part;
 part | size_in_cm 
------+------------
 p1   |        500
 p2   |        300
 p3   |          5
 p4   |         15
 p5   |      17.78
 p6   |     11.176
(6 rows)

select * from rtest_vcomp where size_in_cm > 10.0 order by size_in_cm using >;
 part | size_in_cm 
------+------------
 p1   |        500
 p2   |        300
 p5   |      17.78
 p4   |         15
 p6   |     11.176
(5 rows)

--
-- In addition run the (slightly modified) queries from the
-- programmers manual section on the rule system.
--
CREATE TABLE shoe_data (
        shoename   char(10),      -- primary key
        sh_avail   integer,       -- available # of pairs
        slcolor    char(10),      -- preferred shoelace color
        slminlen   float,         -- miminum shoelace length
        slmaxlen   float,         -- maximum shoelace length
        slunit     char(8)        -- length unit
);
CREATE TABLE shoelace_data (
        sl_name    char(10),      -- primary key
        sl_avail   integer,       -- available # of pairs
        sl_color   char(10),      -- shoelace color
        sl_len     float,         -- shoelace length
        sl_unit    char(8)        -- length unit
);
CREATE TABLE unit (
        un_name    char(8),       -- the primary key
        un_fact    float          -- factor to transform to cm
);
CREATE VIEW shoe AS
        SELECT sh.shoename,
                   sh.sh_avail,
                   sh.slcolor,
                   sh.slminlen,
                   sh.slminlen * un.un_fact AS slminlen_cm,
                   sh.slmaxlen,
                   sh.slmaxlen * un.un_fact AS slmaxlen_cm,
                   sh.slunit
          FROM shoe_data sh, unit un
         WHERE sh.slunit = un.un_name;
CREATE VIEW shoelace AS
        SELECT s.sl_name,
                   s.sl_avail,
                   s.sl_color,
                   s.sl_len,
                   s.sl_unit,
                   s.sl_len * u.un_fact AS sl_len_cm
          FROM shoelace_data s, unit u
         WHERE s.sl_unit = u.un_name;
CREATE VIEW shoe_ready AS
        SELECT rsh.shoename,
                   rsh.sh_avail,
                   rsl.sl_name,
                   rsl.sl_avail,
                   int4smaller(rsh.sh_avail, rsl.sl_avail) AS total_avail
          FROM shoe rsh, shoelace rsl
         WHERE rsl.sl_color = rsh.slcolor
           AND rsl.sl_len_cm >= rsh.slminlen_cm
           AND rsl.sl_len_cm <= rsh.slmaxlen_cm;
INSERT INTO unit VALUES ('cm', 1.0);
INSERT INTO unit VALUES ('m', 100.0);
INSERT INTO unit VALUES ('inch', 2.54);
INSERT INTO shoe_data VALUES ('sh1', 2, 'black', 70.0, 90.0, 'cm');
INSERT INTO shoe_data VALUES ('sh2', 0, 'black', 30.0, 40.0, 'inch');
INSERT INTO shoe_data VALUES ('sh3', 4, 'brown', 50.0, 65.0, 'cm');
INSERT INTO shoe_data VALUES ('sh4', 3, 'brown', 40.0, 50.0, 'inch');
INSERT INTO shoelace_data VALUES ('sl1', 5, 'black', 80.0, 'cm');
INSERT INTO shoelace_data VALUES ('sl2', 6, 'black', 100.0, 'cm');
INSERT INTO shoelace_data VALUES ('sl3', 0, 'black', 35.0 , 'inch');
INSERT INTO shoelace_data VALUES ('sl4', 8, 'black', 40.0 , 'inch');
INSERT INTO shoelace_data VALUES ('sl5', 4, 'brown', 1.0 , 'm');
INSERT INTO shoelace_data VALUES ('sl6', 0, 'brown', 0.9 , 'm');
INSERT INTO shoelace_data VALUES ('sl7', 7, 'brown', 60 , 'cm');
INSERT INTO shoelace_data VALUES ('sl8', 1, 'brown', 40 , 'inch');
-- SELECTs in doc
SELECT * FROM shoelace ORDER BY sl_name;
  sl_name   | sl_avail |  sl_color  | sl_len | sl_unit  | sl_len_cm 
------------+----------+------------+--------+----------+-----------
 sl1        |        5 | black      |     80 | cm       |        80
 sl2        |        6 | black      |    100 | cm       |       100
 sl3        |        0 | black      |     35 | inch     |      88.9
 sl4        |        8 | black      |     40 | inch     |     101.6
 sl5        |        4 | brown      |      1 | m        |       100
 sl6        |        0 | brown      |    0.9 | m        |        90
 sl7        |        7 | brown      |     60 | cm       |        60
 sl8        |        1 | brown      |     40 | inch     |     101.6
(8 rows)

SELECT * FROM shoe_ready WHERE total_avail >= 2 ORDER BY 1;
  shoename  | sh_avail |  sl_name   | sl_avail | total_avail 
------------+----------+------------+----------+-------------
 sh1        |        2 | sl1        |        5 |           2
 sh3        |        4 | sl7        |        7 |           4
(2 rows)

    CREATE TABLE shoelace_log (
        sl_name    char(10),      -- shoelace changed
        sl_avail   integer,       -- new available value
        log_who    name,          -- who did it
        log_when   timestamp      -- when
    );
-- Want "log_who" to be CURRENT_USER,
-- but that is non-portable for the regression test
-- - thomas 1999-02-21
    CREATE RULE log_shoelace AS ON UPDATE TO shoelace_data
        WHERE NEW.sl_avail != OLD.sl_avail
        DO INSERT INTO shoelace_log VALUES (
                                        NEW.sl_name,
                                        NEW.sl_avail,
                                        'Al Bundy',
                                        'epoch'
                                    );
UPDATE shoelace_data SET sl_avail = 6 WHERE  sl_name = 'sl7';
SELECT * FROM shoelace_log;
  sl_name   | sl_avail | log_who  |         log_when         
------------+----------+----------+--------------------------
 sl7        |        6 | Al Bundy | Thu Jan 01 00:00:00 1970
(1 row)

    CREATE RULE shoelace_ins AS ON INSERT TO shoelace
        DO INSTEAD
        INSERT INTO shoelace_data VALUES (
               NEW.sl_name,
               NEW.sl_avail,
               NEW.sl_color,
               NEW.sl_len,
               NEW.sl_unit);
    CREATE RULE shoelace_upd AS ON UPDATE TO shoelace
        DO INSTEAD
        UPDATE shoelace_data SET
               sl_name = NEW.sl_name,
               sl_avail = NEW.sl_avail,
               sl_color = NEW.sl_color,
               sl_len = NEW.sl_len,
               sl_unit = NEW.sl_unit
         WHERE sl_name = OLD.sl_name;
    CREATE RULE shoelace_del AS ON DELETE TO shoelace
        DO INSTEAD
        DELETE FROM shoelace_data
         WHERE sl_name = OLD.sl_name;
    CREATE TABLE shoelace_arrive (
        arr_name    char(10),
        arr_quant   integer
    );
    CREATE TABLE shoelace_ok (
        ok_name     char(10),
        ok_quant    integer
    );
    CREATE RULE shoelace_ok_ins AS ON INSERT TO shoelace_ok
        DO INSTEAD
        UPDATE shoelace SET
               sl_avail = sl_avail + NEW.ok_quant
         WHERE sl_name = NEW.ok_name;
INSERT INTO shoelace_arrive VALUES ('sl3', 10);
INSERT INTO shoelace_arrive VALUES ('sl6', 20);
INSERT INTO shoelace_arrive VALUES ('sl8', 20);
SELECT * FROM shoelace ORDER BY sl_name;
  sl_name   | sl_avail |  sl_color  | sl_len | sl_unit  | sl_len_cm 
------------+----------+------------+--------+----------+-----------
 sl1        |        5 | black      |     80 | cm       |        80
 sl2        |        6 | black      |    100 | cm       |       100
 sl3        |        0 | black      |     35 | inch     |      88.9
 sl4        |        8 | black      |     40 | inch     |     101.6
 sl5        |        4 | brown      |      1 | m        |       100
 sl6        |        0 | brown      |    0.9 | m        |        90
 sl7        |        6 | brown      |     60 | cm       |        60
 sl8        |        1 | brown      |     40 | inch     |     101.6
(8 rows)

insert into shoelace_ok select * from shoelace_arrive;
SELECT * FROM shoelace ORDER BY sl_name;
  sl_name   | sl_avail |  sl_color  | sl_len | sl_unit  | sl_len_cm 
------------+----------+------------+--------+----------+-----------
 sl1        |        5 | black      |     80 | cm       |        80
 sl2        |        6 | black      |    100 | cm       |       100
 sl3        |       10 | black      |     35 | inch     |      88.9
 sl4        |        8 | black      |     40 | inch     |     101.6
 sl5        |        4 | brown      |      1 | m        |       100
 sl6        |       20 | brown      |    0.9 | m        |        90
 sl7        |        6 | brown      |     60 | cm       |        60
 sl8        |       21 | brown      |     40 | inch     |     101.6
(8 rows)

SELECT * FROM shoelace_log ORDER BY sl_name;
  sl_name   | sl_avail | log_who  |         log_when         
------------+----------+----------+--------------------------
 sl3        |       10 | Al Bundy | Thu Jan 01 00:00:00 1970
 sl6        |       20 | Al Bundy | Thu Jan 01 00:00:00 1970
 sl7        |        6 | Al Bundy | Thu Jan 01 00:00:00 1970
 sl8        |       21 | Al Bundy | Thu Jan 01 00:00:00 1970
(4 rows)

    CREATE VIEW shoelace_obsolete AS
        SELECT * FROM shoelace WHERE NOT EXISTS
            (SELECT shoename FROM shoe WHERE slcolor = sl_color);
    CREATE VIEW shoelace_candelete AS
        SELECT * FROM shoelace_obsolete WHERE sl_avail = 0;
insert into shoelace values ('sl9', 0, 'pink', 35.0, 'inch', 0.0);
insert into shoelace values ('sl10', 1000, 'magenta', 40.0, 'inch', 0.0);
SELECT * FROM shoelace_obsolete ORDER BY sl_len_cm;
  sl_name   | sl_avail |  sl_color  | sl_len | sl_unit  | sl_len_cm 
------------+----------+------------+--------+----------+-----------
 sl9        |        0 | pink       |     35 | inch     |      88.9
 sl10       |     1000 | magenta    |     40 | inch     |     101.6
(2 rows)

SELECT * FROM shoelace_candelete;
  sl_name   | sl_avail |  sl_color  | sl_len | sl_unit  | sl_len_cm 
------------+----------+------------+--------+----------+-----------
 sl9        |        0 | pink       |     35 | inch     |      88.9
(1 row)

DELETE FROM shoelace WHERE EXISTS
    (SELECT * FROM shoelace_candelete
             WHERE sl_name = shoelace.sl_name);
SELECT * FROM shoelace ORDER BY sl_name;
  sl_name   | sl_avail |  sl_color  | sl_len | sl_unit  | sl_len_cm 
------------+----------+------------+--------+----------+-----------
 sl1        |        5 | black      |     80 | cm       |        80
 sl10       |     1000 | magenta    |     40 | inch     |     101.6
 sl2        |        6 | black      |    100 | cm       |       100
 sl3        |       10 | black      |     35 | inch     |      88.9
 sl4        |        8 | black      |     40 | inch     |     101.6
 sl5        |        4 | brown      |      1 | m        |       100
 sl6        |       20 | brown      |    0.9 | m        |        90
 sl7        |        6 | brown      |     60 | cm       |        60
 sl8        |       21 | brown      |     40 | inch     |     101.6
(9 rows)

SELECT * FROM shoe ORDER BY shoename;
  shoename  | sh_avail |  slcolor   | slminlen | slminlen_cm | slmaxlen | slmaxlen_cm |  slunit  
------------+----------+------------+----------+-------------+----------+-------------+----------
 sh1        |        2 | black      |       70 |          70 |       90 |          90 | cm      
 sh2        |        0 | black      |       30 |        76.2 |       40 |       101.6 | inch    
 sh3        |        4 | brown      |       50 |          50 |       65 |          65 | cm      
 sh4        |        3 | brown      |       40 |       101.6 |       50 |         127 | inch    
(4 rows)

SELECT count(*) FROM shoe;
 count 
-------
     4
(1 row)

--
-- Simple test of qualified ON INSERT ... this did not work in 7.0 ...
--
create table foo (f1 int);
create table foo2 (f1 int);
create rule foorule as on insert to foo where f1 < 100
do instead nothing;
insert into foo values(1);
insert into foo values(1001);
select * from foo;
  f1  
------
 1001
(1 row)

drop rule foorule on foo;
-- this should fail because f1 is not exposed for unqualified reference:
create rule foorule as on insert to foo where f1 < 100
do instead insert into foo2 values (f1);
ERROR:  column "f1" does not exist
LINE 2: do instead insert into foo2 values (f1);
                                            ^
-- this is the correct way:
create rule foorule as on insert to foo where f1 < 100
do instead insert into foo2 values (new.f1);
insert into foo values(2);
insert into foo values(100);
select * from foo;
  f1  
------
 1001
  100
(2 rows)

select * from foo2;
 f1 
----
  2
(1 row)

drop rule foorule on foo;
drop table foo;
drop table foo2;
--
-- Test rules containing INSERT ... SELECT, which is a very ugly special
-- case as of 7.1.  Example is based on bug report from Joel Burton.
--
create table pparent (pid int, txt text);
insert into pparent values (1,'parent1');
insert into pparent values (2,'parent2');
create table cchild (pid int, descrip text);
insert into cchild values (1,'descrip1');
create view vview as
  select pparent.pid, txt, descrip from
    pparent left join cchild using (pid);
create rule rrule as
  on update to vview do instead
(
  insert into cchild (pid, descrip)
    select old.pid, new.descrip where old.descrip isnull; 
  update cchild set descrip = new.descrip where cchild.pid = old.pid;
);
select * from vview;
 pid |   txt   | descrip  
-----+---------+----------
   1 | parent1 | descrip1
   2 | parent2 | 
(2 rows)

update vview set descrip='test1' where pid=1;
select * from vview;
 pid |   txt   | descrip 
-----+---------+---------
   1 | parent1 | test1
   2 | parent2 | 
(2 rows)

update vview set descrip='test2' where pid=2;
select * from vview;
 pid |   txt   | descrip 
-----+---------+---------
   1 | parent1 | test1
   2 | parent2 | test2
(2 rows)

update vview set descrip='test3' where pid=3;
select * from vview;
 pid |   txt   | descrip 
-----+---------+---------
   1 | parent1 | test1
   2 | parent2 | test2
(2 rows)

select * from cchild;
 pid | descrip 
-----+---------
   1 | test1
   2 | test2
(2 rows)

drop rule rrule on vview;
drop view vview;
drop table pparent;
drop table cchild;
--
-- Check that ruleutils are working
--
SELECT viewname, definition FROM pg_views WHERE schemaname <> 'information_schema' ORDER BY viewname;
         viewname         |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               definition                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
--------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 iexit                    | SELECT ih."name", ih.thepath, interpt_pp(ih.thepath, r.thepath) AS exit FROM ihighway ih, ramp r WHERE (ih.thepath ## r.thepath);
 pg_cursors               | SELECT c."name", c."statement", c.is_holdable, c.is_binary, c.is_scrollable, c.creation_time FROM pg_cursor() c("name" text, "statement" text, is_holdable boolean, is_binary boolean, is_scrollable boolean, creation_time timestamp with time zone);
 pg_group                 | SELECT pg_authid.rolname AS groname, pg_authid.oid AS grosysid, ARRAY(SELECT pg_auth_members.member FROM pg_auth_members WHERE (pg_auth_members.roleid = pg_authid.oid)) AS grolist FROM pg_authid WHERE (NOT pg_authid.rolcanlogin);
 pg_indexes               | SELECT n.nspname AS schemaname, c.relname AS tablename, i.relname AS indexname, t.spcname AS "tablespace", pg_get_indexdef(i.oid) AS indexdef FROM ((((pg_index x JOIN pg_class c ON ((c.oid = x.indrelid))) JOIN pg_class i ON ((i.oid = x.indexrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) LEFT JOIN pg_tablespace t ON ((t.oid = i.reltablespace))) WHERE ((c.relkind = 'r'::"char") AND (i.relkind = 'i'::"char"));
 pg_locks                 | SELECT l.locktype, l."database", l.relation, l.page, l.tuple, l.transactionid, l.classid, l.objid, l.objsubid, l."transaction", l.pid, l."mode", l."granted" FROM pg_lock_status() l(locktype text, "database" oid, relation oid, page integer, tuple smallint, transactionid xid, classid oid, objid oid, objsubid smallint, "transaction" xid, pid integer, "mode" text, "granted" boolean);
 pg_prepared_statements   | SELECT p."name", p."statement", p.prepare_time, p.parameter_types, p.from_sql FROM pg_prepared_statement() p("name" text, "statement" text, prepare_time timestamp with time zone, parameter_types regtype[], from_sql boolean);
 pg_prepared_xacts        | SELECT p."transaction", p.gid, p."prepared", u.rolname AS "owner", d.datname AS "database" FROM ((pg_prepared_xact() p("transaction" xid, gid text, "prepared" timestamp with time zone, ownerid oid, dbid oid) LEFT JOIN pg_authid u ON ((p.ownerid = u.oid))) LEFT JOIN pg_database d ON ((p.dbid = d.oid)));
 pg_roles                 | SELECT pg_authid.rolname, pg_authid.rolsuper, pg_authid.rolinherit, pg_authid.rolcreaterole, pg_authid.rolcreatedb, pg_authid.rolcatupdate, pg_authid.rolcanlogin, pg_authid.rolconnlimit, '********'::text AS rolpassword, pg_authid.rolvaliduntil, pg_authid.rolconfig, pg_authid.oid FROM pg_authid;
 pg_rules                 | SELECT n.nspname AS schemaname, c.relname AS tablename, r.rulename, pg_get_ruledef(r.oid) AS definition FROM ((pg_rewrite r JOIN pg_class c ON ((c.oid = r.ev_class))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (r.rulename <> '_RETURN'::"name");
 pg_settings              | SELECT a."name", a.setting, a.unit, a.category, a.short_desc, a.extra_desc, a.context, a.vartype, a.source, a.min_val, a.max_val FROM pg_show_all_settings() a("name" text, setting text, unit text, category text, short_desc text, extra_desc text, context text, vartype text, source text, min_val text, max_val text);
 pg_shadow                | SELECT pg_authid.rolname AS usename, pg_authid.oid AS usesysid, pg_authid.rolcreatedb AS usecreatedb, pg_authid.rolsuper AS usesuper, pg_authid.rolcatupdate AS usecatupd, pg_authid.rolpassword AS passwd, (pg_authid.rolvaliduntil)::abstime AS valuntil, pg_authid.rolconfig AS useconfig FROM pg_authid WHERE pg_authid.rolcanlogin;
 pg_stat_activity         | SELECT d.oid AS datid, d.datname, pg_stat_get_backend_pid(s.backendid) AS procpid, pg_stat_get_backend_userid(s.backendid) AS usesysid, u.rolname AS usename, pg_stat_get_backend_activity(s.backendid) AS current_query, pg_stat_get_backend_waiting(s.backendid) AS waiting, pg_stat_get_backend_txn_start(s.backendid) AS txn_start, pg_stat_get_backend_activity_start(s.backendid) AS query_start, pg_stat_get_backend_start(s.backendid) AS backend_start, pg_stat_get_backend_client_addr(s.backendid) AS client_addr, pg_stat_get_backend_client_port(s.backendid) AS client_port FROM pg_database d, (SELECT pg_stat_get_backend_idset() AS backendid) s, pg_authid u WHERE ((pg_stat_get_backend_dbid(s.backendid) = d.oid) AND (pg_stat_get_backend_userid(s.backendid) = u.oid));
 pg_stat_all_indexes      | SELECT c.oid AS relid, i.oid AS indexrelid, n.nspname AS schemaname, c.relname, i.relname AS indexrelname, pg_stat_get_numscans(i.oid) AS idx_scan, pg_stat_get_tuples_returned(i.oid) AS idx_tup_read, pg_stat_get_tuples_fetched(i.oid) AS idx_tup_fetch FROM (((pg_class c JOIN pg_index x ON ((c.oid = x.indrelid))) JOIN pg_class i ON ((i.oid = x.indexrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = ANY (ARRAY['r'::"char", 't'::"char"]));
 pg_stat_all_tables       | SELECT c.oid AS relid, n.nspname AS schemaname, c.relname, pg_stat_get_numscans(c.oid) AS seq_scan, pg_stat_get_tuples_returned(c.oid) AS seq_tup_read, (sum(pg_stat_get_numscans(i.indexrelid)))::bigint AS idx_scan, ((sum(pg_stat_get_tuples_fetched(i.indexrelid)))::bigint + pg_stat_get_tuples_fetched(c.oid)) AS idx_tup_fetch, pg_stat_get_tuples_inserted(c.oid) AS n_tup_ins, pg_stat_get_tuples_updated(c.oid) AS n_tup_upd, pg_stat_get_tuples_deleted(c.oid) AS n_tup_del, pg_stat_get_live_tuples(c.oid) AS n_live_tup, pg_stat_get_dead_tuples(c.oid) AS n_dead_tup, pg_stat_get_last_vacuum_time(c.oid) AS last_vacuum, pg_stat_get_last_autovacuum_time(c.oid) AS last_autovacuum, pg_stat_get_last_analyze_time(c.oid) AS last_analyze, pg_stat_get_last_autoanalyze_time(c.oid) AS last_autoanalyze FROM ((pg_class c LEFT JOIN pg_index i ON ((c.oid = i.indrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = ANY (ARRAY['r'::"char", 't'::"char"])) GROUP BY c.oid, n.nspname, c.relname;
 pg_stat_bgwriter         | SELECT pg_stat_get_bgwriter_timed_checkpoints() AS checkpoints_timed, pg_stat_get_bgwriter_requested_checkpoints() AS checkpoints_req, pg_stat_get_bgwriter_buf_written_checkpoints() AS buffers_checkpoint, pg_stat_get_bgwriter_buf_written_lru() AS buffers_lru, pg_stat_get_bgwriter_buf_written_all() AS buffers_all, pg_stat_get_bgwriter_maxwritten_lru() AS maxwritten_lru, pg_stat_get_bgwriter_maxwritten_all() AS maxwritten_all;
 pg_stat_database         | SELECT d.oid AS datid, d.datname, pg_stat_get_db_numbackends(d.oid) AS numbackends, pg_stat_get_db_xact_commit(d.oid) AS xact_commit, pg_stat_get_db_xact_rollback(d.oid) AS xact_rollback, (pg_stat_get_db_blocks_fetched(d.oid) - pg_stat_get_db_blocks_hit(d.oid)) AS blks_read, pg_stat_get_db_blocks_hit(d.oid) AS blks_hit, pg_stat_get_db_tuples_returned(d.oid) AS tup_returned, pg_stat_get_db_tuples_fetched(d.oid) AS tup_fetched, pg_stat_get_db_tuples_inserted(d.oid) AS tup_inserted, pg_stat_get_db_tuples_updated(d.oid) AS tup_updated, pg_stat_get_db_tuples_deleted(d.oid) AS tup_deleted FROM pg_database d;
 pg_stat_sys_indexes      | SELECT pg_stat_all_indexes.relid, pg_stat_all_indexes.indexrelid, pg_stat_all_indexes.schemaname, pg_stat_all_indexes.relname, pg_stat_all_indexes.indexrelname, pg_stat_all_indexes.idx_scan, pg_stat_all_indexes.idx_tup_read, pg_stat_all_indexes.idx_tup_fetch FROM pg_stat_all_indexes WHERE (pg_stat_all_indexes.schemaname = ANY (ARRAY['pg_catalog'::"name", 'pg_toast'::"name", 'information_schema'::"name"]));
 pg_stat_sys_tables       | SELECT pg_stat_all_tables.relid, pg_stat_all_tables.schemaname, pg_stat_all_tables.relname, pg_stat_all_tables.seq_scan, pg_stat_all_tables.seq_tup_read, pg_stat_all_tables.idx_scan, pg_stat_all_tables.idx_tup_fetch, pg_stat_all_tables.n_tup_ins, pg_stat_all_tables.n_tup_upd, pg_stat_all_tables.n_tup_del, pg_stat_all_tables.n_live_tup, pg_stat_all_tables.n_dead_tup, pg_stat_all_tables.last_vacuum, pg_stat_all_tables.last_autovacuum, pg_stat_all_tables.last_analyze, pg_stat_all_tables.last_autoanalyze FROM pg_stat_all_tables WHERE (pg_stat_all_tables.schemaname = ANY (ARRAY['pg_catalog'::"name", 'pg_toast'::"name", 'information_schema'::"name"]));
 pg_stat_user_indexes     | SELECT pg_stat_all_indexes.relid, pg_stat_all_indexes.indexrelid, pg_stat_all_indexes.schemaname, pg_stat_all_indexes.relname, pg_stat_all_indexes.indexrelname, pg_stat_all_indexes.idx_scan, pg_stat_all_indexes.idx_tup_read, pg_stat_all_indexes.idx_tup_fetch FROM pg_stat_all_indexes WHERE (pg_stat_all_indexes.schemaname <> ALL (ARRAY['pg_catalog'::"name", 'pg_toast'::"name", 'information_schema'::"name"]));
 pg_stat_user_tables      | SELECT pg_stat_all_tables.relid, pg_stat_all_tables.schemaname, pg_stat_all_tables.relname, pg_stat_all_tables.seq_scan, pg_stat_all_tables.seq_tup_read, pg_stat_all_tables.idx_scan, pg_stat_all_tables.idx_tup_fetch, pg_stat_all_tables.n_tup_ins, pg_stat_all_tables.n_tup_upd, pg_stat_all_tables.n_tup_del, pg_stat_all_tables.n_live_tup, pg_stat_all_tables.n_dead_tup, pg_stat_all_tables.last_vacuum, pg_stat_all_tables.last_autovacuum, pg_stat_all_tables.last_analyze, pg_stat_all_tables.last_autoanalyze FROM pg_stat_all_tables WHERE (pg_stat_all_tables.schemaname <> ALL (ARRAY['pg_catalog'::"name", 'pg_toast'::"name", 'information_schema'::"name"]));
 pg_statio_all_indexes    | SELECT c.oid AS relid, i.oid AS indexrelid, n.nspname AS schemaname, c.relname, i.relname AS indexrelname, (pg_stat_get_blocks_fetched(i.oid) - pg_stat_get_blocks_hit(i.oid)) AS idx_blks_read, pg_stat_get_blocks_hit(i.oid) AS idx_blks_hit FROM (((pg_class c JOIN pg_index x ON ((c.oid = x.indrelid))) JOIN pg_class i ON ((i.oid = x.indexrelid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = ANY (ARRAY['r'::"char", 't'::"char"]));
 pg_statio_all_sequences  | SELECT c.oid AS relid, n.nspname AS schemaname, c.relname, (pg_stat_get_blocks_fetched(c.oid) - pg_stat_get_blocks_hit(c.oid)) AS blks_read, pg_stat_get_blocks_hit(c.oid) AS blks_hit FROM (pg_class c LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = 'S'::"char");
 pg_statio_all_tables     | SELECT c.oid AS relid, n.nspname AS schemaname, c.relname, (pg_stat_get_blocks_fetched(c.oid) - pg_stat_get_blocks_hit(c.oid)) AS heap_blks_read, pg_stat_get_blocks_hit(c.oid) AS heap_blks_hit, (sum((pg_stat_get_blocks_fetched(i.indexrelid) - pg_stat_get_blocks_hit(i.indexrelid))))::bigint AS idx_blks_read, (sum(pg_stat_get_blocks_hit(i.indexrelid)))::bigint AS idx_blks_hit, (pg_stat_get_blocks_fetched(t.oid) - pg_stat_get_blocks_hit(t.oid)) AS toast_blks_read, pg_stat_get_blocks_hit(t.oid) AS toast_blks_hit, (pg_stat_get_blocks_fetched(x.oid) - pg_stat_get_blocks_hit(x.oid)) AS tidx_blks_read, pg_stat_get_blocks_hit(x.oid) AS tidx_blks_hit FROM ((((pg_class c LEFT JOIN pg_index i ON ((c.oid = i.indrelid))) LEFT JOIN pg_class t ON ((c.reltoastrelid = t.oid))) LEFT JOIN pg_class x ON ((t.reltoastidxid = x.oid))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = ANY (ARRAY['r'::"char", 't'::"char"])) GROUP BY c.oid, n.nspname, c.relname, t.oid, x.oid;
 pg_statio_sys_indexes    | SELECT pg_statio_all_indexes.relid, pg_statio_all_indexes.indexrelid, pg_statio_all_indexes.schemaname, pg_statio_all_indexes.relname, pg_statio_all_indexes.indexrelname, pg_statio_all_indexes.idx_blks_read, pg_statio_all_indexes.idx_blks_hit FROM pg_statio_all_indexes WHERE (pg_statio_all_indexes.schemaname = ANY (ARRAY['pg_catalog'::"name", 'pg_toast'::"name", 'information_schema'::"name"]));
 pg_statio_sys_sequences  | SELECT pg_statio_all_sequences.relid, pg_statio_all_sequences.schemaname, pg_statio_all_sequences.relname, pg_statio_all_sequences.blks_read, pg_statio_all_sequences.blks_hit FROM pg_statio_all_sequences WHERE (pg_statio_all_sequences.schemaname = ANY (ARRAY['pg_catalog'::"name", 'pg_toast'::"name", 'information_schema'::"name"]));
 pg_statio_sys_tables     | SELECT pg_statio_all_tables.relid, pg_statio_all_tables.schemaname, pg_statio_all_tables.relname, pg_statio_all_tables.heap_blks_read, pg_statio_all_tables.heap_blks_hit, pg_statio_all_tables.idx_blks_read, pg_statio_all_tables.idx_blks_hit, pg_statio_all_tables.toast_blks_read, pg_statio_all_tables.toast_blks_hit, pg_statio_all_tables.tidx_blks_read, pg_statio_all_tables.tidx_blks_hit FROM pg_statio_all_tables WHERE (pg_statio_all_tables.schemaname = ANY (ARRAY['pg_catalog'::"name", 'pg_toast'::"name", 'information_schema'::"name"]));
 pg_statio_user_indexes   | SELECT pg_statio_all_indexes.relid, pg_statio_all_indexes.indexrelid, pg_statio_all_indexes.schemaname, pg_statio_all_indexes.relname, pg_statio_all_indexes.indexrelname, pg_statio_all_indexes.idx_blks_read, pg_statio_all_indexes.idx_blks_hit FROM pg_statio_all_indexes WHERE (pg_statio_all_indexes.schemaname <> ALL (ARRAY['pg_catalog'::"name", 'pg_toast'::"name", 'information_schema'::"name"]));
 pg_statio_user_sequences | SELECT pg_statio_all_sequences.relid, pg_statio_all_sequences.schemaname, pg_statio_all_sequences.relname, pg_statio_all_sequences.blks_read, pg_statio_all_sequences.blks_hit FROM pg_statio_all_sequences WHERE (pg_statio_all_sequences.schemaname <> ALL (ARRAY['pg_catalog'::"name", 'pg_toast'::"name", 'information_schema'::"name"]));
 pg_statio_user_tables    | SELECT pg_statio_all_tables.relid, pg_statio_all_tables.schemaname, pg_statio_all_tables.relname, pg_statio_all_tables.heap_blks_read, pg_statio_all_tables.heap_blks_hit, pg_statio_all_tables.idx_blks_read, pg_statio_all_tables.idx_blks_hit, pg_statio_all_tables.toast_blks_read, pg_statio_all_tables.toast_blks_hit, pg_statio_all_tables.tidx_blks_read, pg_statio_all_tables.tidx_blks_hit FROM pg_statio_all_tables WHERE (pg_statio_all_tables.schemaname <> ALL (ARRAY['pg_catalog'::"name", 'pg_toast'::"name", 'information_schema'::"name"]));
 pg_stats                 | SELECT n.nspname AS schemaname, c.relname AS tablename, a.attname, s.stanullfrac AS null_frac, s.stawidth AS avg_width, s.stadistinct AS n_distinct, CASE 1 WHEN s.stakind1 THEN s.stavalues1 WHEN s.stakind2 THEN s.stavalues2 WHEN s.stakind3 THEN s.stavalues3 WHEN s.stakind4 THEN s.stavalues4 ELSE NULL::anyarray END AS most_common_vals, CASE 1 WHEN s.stakind1 THEN s.stanumbers1 WHEN s.stakind2 THEN s.stanumbers2 WHEN s.stakind3 THEN s.stanumbers3 WHEN s.stakind4 THEN s.stanumbers4 ELSE NULL::real[] END AS most_common_freqs, CASE 2 WHEN s.stakind1 THEN s.stavalues1 WHEN s.stakind2 THEN s.stavalues2 WHEN s.stakind3 THEN s.stavalues3 WHEN s.stakind4 THEN s.stavalues4 ELSE NULL::anyarray END AS histogram_bounds, CASE 3 WHEN s.stakind1 THEN s.stanumbers1[1] WHEN s.stakind2 THEN s.stanumbers2[1] WHEN s.stakind3 THEN s.stanumbers3[1] WHEN s.stakind4 THEN s.stanumbers4[1] ELSE NULL::real END AS correlation FROM (((pg_statistic s JOIN pg_class c ON ((c.oid = s.starelid))) JOIN pg_attribute a ON (((c.oid = a.attrelid) AND (a.attnum = s.staattnum)))) LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE has_table_privilege(c.oid, 'select'::text);
 pg_tables                | SELECT n.nspname AS schemaname, c.relname AS tablename, pg_get_userbyid(c.relowner) AS tableowner, t.spcname AS "tablespace", c.relhasindex AS hasindexes, c.relhasrules AS hasrules, (c.reltriggers > 0) AS hastriggers FROM ((pg_class c LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) LEFT JOIN pg_tablespace t ON ((t.oid = c.reltablespace))) WHERE (c.relkind = 'r'::"char");
 pg_timezone_abbrevs      | SELECT pg_timezone_abbrevs.abbrev, pg_timezone_abbrevs.utc_offset, pg_timezone_abbrevs.is_dst FROM pg_timezone_abbrevs() pg_timezone_abbrevs(abbrev, utc_offset, is_dst);
 pg_timezone_names        | SELECT pg_timezone_names."name", pg_timezone_names.abbrev, pg_timezone_names.utc_offset, pg_timezone_names.is_dst FROM pg_timezone_names() pg_timezone_names("name", abbrev, utc_offset, is_dst);
 pg_user                  | SELECT pg_shadow.usename, pg_shadow.usesysid, pg_shadow.usecreatedb, pg_shadow.usesuper, pg_shadow.usecatupd, '********'::text AS passwd, pg_shadow.valuntil, pg_shadow.useconfig FROM pg_shadow;
 pg_views                 | SELECT n.nspname AS schemaname, c.relname AS viewname, pg_get_userbyid(c.relowner) AS viewowner, pg_get_viewdef(c.oid) AS definition FROM (pg_class c LEFT JOIN pg_namespace n ON ((n.oid = c.relnamespace))) WHERE (c.relkind = 'v'::"char");
 rtest_v1                 | SELECT rtest_t1.a, rtest_t1.b FROM rtest_t1;
 rtest_vcomp              | SELECT x.part, (x.size * y.factor) AS size_in_cm FROM rtest_comp x, rtest_unitfact y WHERE (x.unit = y.unit);
 rtest_vview1             | SELECT x.a, x.b FROM rtest_view1 x WHERE (0 < (SELECT count(*) AS count FROM rtest_view2 y WHERE (y.a = x.a)));
 rtest_vview2             | SELECT rtest_view1.a, rtest_view1.b FROM rtest_view1 WHERE rtest_view1.v;
 rtest_vview3             | SELECT x.a, x.b FROM rtest_vview2 x WHERE (0 < (SELECT count(*) AS count FROM rtest_view2 y WHERE (y.a = x.a)));
 rtest_vview4             | SELECT x.a, x.b, count(y.a) AS refcount FROM rtest_view1 x, rtest_view2 y WHERE (x.a = y.a) GROUP BY x.a, x.b;
 rtest_vview5             | SELECT rtest_view1.a, rtest_view1.b, rtest_viewfunc1(rtest_view1.a) AS refcount FROM rtest_view1;
 shoe                     | SELECT sh.shoename, sh.sh_avail, sh.slcolor, sh.slminlen, (sh.slminlen * un.un_fact) AS slminlen_cm, sh.slmaxlen, (sh.slmaxlen * un.un_fact) AS slmaxlen_cm, sh.slunit FROM shoe_data sh, unit un WHERE (sh.slunit = un.un_name);
 shoe_ready               | SELECT rsh.shoename, rsh.sh_avail, rsl.sl_name, rsl.sl_avail, int4smaller(rsh.sh_avail, rsl.sl_avail) AS total_avail FROM shoe rsh, shoelace rsl WHERE (((rsl.sl_color = rsh.slcolor) AND (rsl.sl_len_cm >= rsh.slminlen_cm)) AND (rsl.sl_len_cm <= rsh.slmaxlen_cm));
 shoelace                 | SELECT s.sl_name, s.sl_avail, s.sl_color, s.sl_len, s.sl_unit, (s.sl_len * u.un_fact) AS sl_len_cm FROM shoelace_data s, unit u WHERE (s.sl_unit = u.un_name);
 shoelace_candelete       | SELECT shoelace_obsolete.sl_name, shoelace_obsolete.sl_avail, shoelace_obsolete.sl_color, shoelace_obsolete.sl_len, shoelace_obsolete.sl_unit, shoelace_obsolete.sl_len_cm FROM shoelace_obsolete WHERE (shoelace_obsolete.sl_avail = 0);
 shoelace_obsolete        | SELECT shoelace.sl_name, shoelace.sl_avail, shoelace.sl_color, shoelace.sl_len, shoelace.sl_unit, shoelace.sl_len_cm FROM shoelace WHERE (NOT (EXISTS (SELECT shoe.shoename FROM shoe WHERE (shoe.slcolor = shoelace.sl_color))));
 street                   | SELECT r."name", r.thepath, c.cname FROM ONLY road r, real_city c WHERE (c.outline ## r.thepath);
 toyemp                   | SELECT emp."name", emp.age, emp."location", (12 * emp.salary) AS annualsal FROM emp;
(49 rows)

SELECT tablename, rulename, definition FROM pg_rules 
        ORDER BY tablename, rulename;
   tablename   |    rulename     |                                                                                                                                   definition                                                                                                                                    
---------------+-----------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 pg_settings   | pg_settings_n   | CREATE RULE pg_settings_n AS ON UPDATE TO pg_settings DO INSTEAD NOTHING;
 pg_settings   | pg_settings_u   | CREATE RULE pg_settings_u AS ON UPDATE TO pg_settings WHERE (new."name" = old."name") DO SELECT set_config(old."name", new.setting, false) AS set_config;
 rtest_emp     | rtest_emp_del   | CREATE RULE rtest_emp_del AS ON DELETE TO rtest_emp DO INSERT INTO rtest_emplog (ename, who, "action", newsal, oldsal) VALUES (old.ename, "current_user"(), 'fired'::bpchar, '$0.00'::money, old.salary);
 rtest_emp     | rtest_emp_ins   | CREATE RULE rtest_emp_ins AS ON INSERT TO rtest_emp DO INSERT INTO rtest_emplog (ename, who, "action", newsal, oldsal) VALUES (new.ename, "current_user"(), 'hired'::bpchar, new.salary, '$0.00'::money);
 rtest_emp     | rtest_emp_upd   | CREATE RULE rtest_emp_upd AS ON UPDATE TO rtest_emp WHERE (new.salary <> old.salary) DO INSERT INTO rtest_emplog (ename, who, "action", newsal, oldsal) VALUES (new.ename, "current_user"(), 'honored'::bpchar, new.salary, old.salary);
 rtest_nothn1  | rtest_nothn_r1  | CREATE RULE rtest_nothn_r1 AS ON INSERT TO rtest_nothn1 WHERE ((new.a >= 10) AND (new.a < 20)) DO INSTEAD NOTHING;
 rtest_nothn1  | rtest_nothn_r2  | CREATE RULE rtest_nothn_r2 AS ON INSERT TO rtest_nothn1 WHERE ((new.a >= 30) AND (new.a < 40)) DO INSTEAD NOTHING;
 rtest_nothn2  | rtest_nothn_r3  | CREATE RULE rtest_nothn_r3 AS ON INSERT TO rtest_nothn2 WHERE (new.a >= 100) DO INSTEAD INSERT INTO rtest_nothn3 (a, b) VALUES (new.a, new.b);
 rtest_nothn2  | rtest_nothn_r4  | CREATE RULE rtest_nothn_r4 AS ON INSERT TO rtest_nothn2 DO INSTEAD NOTHING;
 rtest_order1  | rtest_order_r1  | CREATE RULE rtest_order_r1 AS ON INSERT TO rtest_order1 DO INSTEAD INSERT INTO rtest_order2 (a, b, c) VALUES (new.a, nextval('rtest_seq'::regclass), 'rule 1 - this should run 1st'::text);
 rtest_order1  | rtest_order_r2  | CREATE RULE rtest_order_r2 AS ON INSERT TO rtest_order1 DO INSERT INTO rtest_order2 (a, b, c) VALUES (new.a, nextval('rtest_seq'::regclass), 'rule 2 - this should run 2nd'::text);
 rtest_order1  | rtest_order_r3  | CREATE RULE rtest_order_r3 AS ON INSERT TO rtest_order1 DO INSTEAD INSERT INTO rtest_order2 (a, b, c) VALUES (new.a, nextval('rtest_seq'::regclass), 'rule 3 - this should run 3rd'::text);
 rtest_order1  | rtest_order_r4  | CREATE RULE rtest_order_r4 AS ON INSERT TO rtest_order1 WHERE (new.a < 100) DO INSTEAD INSERT INTO rtest_order2 (a, b, c) VALUES (new.a, nextval('rtest_seq'::regclass), 'rule 4 - this should run 4th'::text);
 rtest_person  | rtest_pers_del  | CREATE RULE rtest_pers_del AS ON DELETE TO rtest_person DO DELETE FROM rtest_admin WHERE (rtest_admin.pname = old.pname);
 rtest_person  | rtest_pers_upd  | CREATE RULE rtest_pers_upd AS ON UPDATE TO rtest_person DO UPDATE rtest_admin SET pname = new.pname WHERE (rtest_admin.pname = old.pname);
 rtest_system  | rtest_sys_del   | CREATE RULE rtest_sys_del AS ON DELETE TO rtest_system DO (DELETE FROM rtest_interface WHERE (rtest_interface.sysname = old.sysname); DELETE FROM rtest_admin WHERE (rtest_admin.sysname = old.sysname); );
 rtest_system  | rtest_sys_upd   | CREATE RULE rtest_sys_upd AS ON UPDATE TO rtest_system DO (UPDATE rtest_interface SET sysname = new.sysname WHERE (rtest_interface.sysname = old.sysname); UPDATE rtest_admin SET sysname = new.sysname WHERE (rtest_admin.sysname = old.sysname); );
 rtest_t4      | rtest_t4_ins1   | 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 (a, b) VALUES (new.a, new.b);
 rtest_t4      | rtest_t4_ins2   | CREATE RULE rtest_t4_ins2 AS ON INSERT TO rtest_t4 WHERE ((new.a >= 20) AND (new.a < 30)) DO INSERT INTO rtest_t6 (a, b) VALUES (new.a, new.b);
 rtest_t5      | rtest_t5_ins    | CREATE RULE rtest_t5_ins AS ON INSERT TO rtest_t5 WHERE (new.a > 15) DO INSERT INTO rtest_t7 (a, b) VALUES (new.a, new.b);
 rtest_t6      | rtest_t6_ins    | CREATE RULE rtest_t6_ins AS ON INSERT TO rtest_t6 WHERE (new.a > 25) DO INSTEAD INSERT INTO rtest_t8 (a, b) VALUES (new.a, new.b);
 rtest_v1      | rtest_v1_del    | CREATE RULE rtest_v1_del AS ON DELETE TO rtest_v1 DO INSTEAD DELETE FROM rtest_t1 WHERE (rtest_t1.a = old.a);
 rtest_v1      | rtest_v1_ins    | CREATE RULE rtest_v1_ins AS ON INSERT TO rtest_v1 DO INSTEAD INSERT INTO rtest_t1 (a, b) VALUES (new.a, new.b);
 rtest_v1      | rtest_v1_upd    | CREATE RULE rtest_v1_upd AS ON UPDATE TO rtest_v1 DO INSTEAD UPDATE rtest_t1 SET a = new.a, b = new.b WHERE (rtest_t1.a = old.a);
 shoelace      | shoelace_del    | CREATE RULE shoelace_del AS ON DELETE TO shoelace DO INSTEAD DELETE FROM shoelace_data WHERE (shoelace_data.sl_name = old.sl_name);
 shoelace      | shoelace_ins    | CREATE RULE shoelace_ins AS ON INSERT TO shoelace DO INSTEAD INSERT INTO shoelace_data (sl_name, sl_avail, sl_color, sl_len, sl_unit) VALUES (new.sl_name, new.sl_avail, new.sl_color, new.sl_len, new.sl_unit);
 shoelace      | shoelace_upd    | CREATE RULE shoelace_upd AS ON UPDATE TO shoelace DO INSTEAD UPDATE shoelace_data SET sl_name = new.sl_name, sl_avail = new.sl_avail, sl_color = new.sl_color, sl_len = new.sl_len, sl_unit = new.sl_unit WHERE (shoelace_data.sl_name = old.sl_name);
 shoelace_data | log_shoelace    | CREATE RULE log_shoelace AS ON UPDATE TO shoelace_data WHERE (new.sl_avail <> old.sl_avail) DO INSERT INTO shoelace_log (sl_name, sl_avail, log_who, log_when) VALUES (new.sl_name, new.sl_avail, 'Al Bundy'::"name", 'Thu Jan 01 00:00:00 1970'::timestamp without time zone);
 shoelace_ok   | shoelace_ok_ins | CREATE RULE shoelace_ok_ins AS ON INSERT TO shoelace_ok DO INSTEAD UPDATE shoelace SET sl_avail = (shoelace.sl_avail + new.ok_quant) WHERE (shoelace.sl_name = new.ok_name);
(29 rows)

--
-- CREATE OR REPLACE RULE
--
CREATE TABLE ruletest_tbl (a int, b int);
CREATE TABLE ruletest_tbl2 (a int, b int);
CREATE OR REPLACE RULE myrule AS ON INSERT TO ruletest_tbl
        DO INSTEAD INSERT INTO ruletest_tbl2 VALUES (10, 10);
INSERT INTO ruletest_tbl VALUES (99, 99);
CREATE OR REPLACE RULE myrule AS ON INSERT TO ruletest_tbl
        DO INSTEAD INSERT INTO ruletest_tbl2 VALUES (1000, 1000);
INSERT INTO ruletest_tbl VALUES (99, 99);
SELECT * FROM ruletest_tbl2;
  a   |  b   
------+------
   10 |   10
 1000 | 1000
(2 rows)

-- Check that rewrite rules splitting one INSERT into multiple
-- conditional statements does not disable FK checking.
create table rule_and_refint_t1 (
        id1a integer,
        id1b integer,
        
        primary key (id1a, id1b)
);
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "rule_and_refint_t1_pkey" for table "rule_and_refint_t1"
create table rule_and_refint_t2 (
        id2a integer,
        id2c integer,
        
        primary key (id2a, id2c)
);
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "rule_and_refint_t2_pkey" for table "rule_and_refint_t2"
create table rule_and_refint_t3 (
        id3a integer,
        id3b integer,
        id3c integer,
        data text,
        primary key (id3a, id3b, id3c),
        foreign key (id3a, id3b) references rule_and_refint_t1 (id1a, id1b),
        foreign key (id3a, id3c) references rule_and_refint_t2 (id2a, id2c)
);
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "rule_and_refint_t3_pkey" for table "rule_and_refint_t3"
insert into rule_and_refint_t1 values (1, 11);
insert into rule_and_refint_t1 values (1, 12);
insert into rule_and_refint_t1 values (2, 21);
insert into rule_and_refint_t1 values (2, 22);
insert into rule_and_refint_t2 values (1, 11);
insert into rule_and_refint_t2 values (1, 12);
insert into rule_and_refint_t2 values (2, 21);
insert into rule_and_refint_t2 values (2, 22);
insert into rule_and_refint_t3 values (1, 11, 11, 'row1');
insert into rule_and_refint_t3 values (1, 11, 12, 'row2');
insert into rule_and_refint_t3 values (1, 12, 11, 'row3');
insert into rule_and_refint_t3 values (1, 12, 12, 'row4');
insert into rule_and_refint_t3 values (1, 11, 13, 'row5');
ERROR:  insert or update on table "rule_and_refint_t3" violates foreign key constraint "rule_and_refint_t3_id3a_fkey1"
DETAIL:  Key (id3a,id3c)=(1,13) is not present in table "rule_and_refint_t2".
insert into rule_and_refint_t3 values (1, 13, 11, 'row6');
ERROR:  insert or update on table "rule_and_refint_t3" violates foreign key constraint "rule_and_refint_t3_id3a_fkey"
DETAIL:  Key (id3a,id3b)=(1,13) is not present in table "rule_and_refint_t1".
create rule rule_and_refint_t3_ins as on insert to rule_and_refint_t3
        where (exists (select 1 from rule_and_refint_t3
                        where (((rule_and_refint_t3.id3a = new.id3a)
                        and (rule_and_refint_t3.id3b = new.id3b))
                        and (rule_and_refint_t3.id3c = new.id3c))))
        do instead update rule_and_refint_t3 set data = new.data
        where (((rule_and_refint_t3.id3a = new.id3a)
        and (rule_and_refint_t3.id3b = new.id3b))
        and (rule_and_refint_t3.id3c = new.id3c));
insert into rule_and_refint_t3 values (1, 11, 13, 'row7');
ERROR:  insert or update on table "rule_and_refint_t3" violates foreign key constraint "rule_and_refint_t3_id3a_fkey1"
DETAIL:  Key (id3a,id3c)=(1,13) is not present in table "rule_and_refint_t2".
insert into rule_and_refint_t3 values (1, 13, 11, 'row8');
ERROR:  insert or update on table "rule_and_refint_t3" violates foreign key constraint "rule_and_refint_t3_id3a_fkey"
DETAIL:  Key (id3a,id3b)=(1,13) is not present in table "rule_and_refint_t1".
--
-- check for planner problems with complex inherited UPDATES
--
create table id (id serial primary key, name text);
NOTICE:  CREATE TABLE will create implicit sequence "id_id_seq" for serial column "id.id"
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "id_pkey" for table "id"
-- currently, must respecify PKEY for each inherited subtable
create table test_1 (id integer primary key) inherits (id);
NOTICE:  merging column "id" with inherited definition
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "test_1_pkey" for table "test_1"
create table test_2 (id integer primary key) inherits (id);
NOTICE:  merging column "id" with inherited definition
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "test_2_pkey" for table "test_2"
create table test_3 (id integer primary key) inherits (id);
NOTICE:  merging column "id" with inherited definition
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "test_3_pkey" for table "test_3"
insert into test_1 (name) values ('Test 1');
insert into test_1 (name) values ('Test 2');
insert into test_2 (name) values ('Test 3');
insert into test_2 (name) values ('Test 4');
insert into test_3 (name) values ('Test 5');
insert into test_3 (name) values ('Test 6');
create view id_ordered as select * from id order by id;
create rule update_id_ordered as on update to id_ordered
        do instead update id set name = new.name where id = old.id;
select * from id_ordered;
 id |  name  
----+--------
  1 | Test 1
  2 | Test 2
  3 | Test 3
  4 | Test 4
  5 | Test 5
  6 | Test 6
(6 rows)

update id_ordered set name = 'update 2' where id = 2;
update id_ordered set name = 'update 4' where id = 4;
update id_ordered set name = 'update 5' where id = 5;
select * from id_ordered;
 id |   name   
----+----------
  1 | Test 1
  2 | update 2
  3 | Test 3
  4 | update 4
  5 | update 5
  6 | Test 6
(6 rows)

set client_min_messages to warning; -- suppress cascade notices
drop table id cascade;
reset client_min_messages;
--
-- check corner case where an entirely-dummy subplan is created by
-- constraint exclusion
--
create temp table t1 (a integer primary key);
NOTICE:  CREATE TABLE / PRIMARY KEY will create implicit index "t1_pkey" for table "t1"
create temp table t1_1 (check (a >= 0 and a < 10)) inherits (t1);
create temp table t1_2 (check (a >= 10 and a < 20)) inherits (t1);
create rule t1_ins_1 as on insert to t1 
        where new.a >= 0 and new.a < 10
        do instead
        insert into t1_1 values (new.a);
create rule t1_ins_2 as on insert to t1 
        where new.a >= 10 and new.a < 20
        do instead
        insert into t1_2 values (new.a);
create rule t1_upd_1 as on update to t1
        where old.a >= 0 and old.a < 10
        do instead
        update t1_1 set a = new.a where a = old.a;
create rule t1_upd_2 as on update to t1
        where old.a >= 10 and old.a < 20
        do instead
        update t1_2 set a = new.a where a = old.a;
set constraint_exclusion = on;
insert into t1 select * from generate_series(5,19,1) g;
update t1 set a = 4 where a = 5;
select * from only t1;
 a 
---
(0 rows)

select * from only t1_1;
 a 
---
 6
 7
 8
 9
 4
(5 rows)

select * from only t1_2;
 a  
----
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
(10 rows)