triggers.out

关系型数据库 Postgresql 6.5.2

QUERY: create table pkeys (pkey1 int4 not null, pkey2 text not null);
QUERY: create table fkeys (fkey1 int4, fkey2 text, fkey3 int);
QUERY: create table fkeys2 (fkey21 int4, fkey22 text, pkey23 int not null);
QUERY: create index fkeys_i on fkeys (fkey1, fkey2);
QUERY: create index fkeys2_i on fkeys2 (fkey21, fkey22);
QUERY: create index fkeys2p_i on fkeys2 (pkey23);
QUERY: insert into pkeys values (10, '1');
QUERY: insert into pkeys values (20, '2');
QUERY: insert into pkeys values (30, '3');
QUERY: insert into pkeys values (40, '4');
QUERY: insert into pkeys values (50, '5');
QUERY: insert into pkeys values (60, '6');
QUERY: create unique index pkeys_i on pkeys (pkey1, pkey2);
QUERY: create trigger check_fkeys_pkey_exist
	before insert or update on fkeys
	for each row
	execute procedure
	check_primary_key ('fkey1', 'fkey2', 'pkeys', 'pkey1', 'pkey2');
QUERY: create trigger check_fkeys_pkey2_exist
	before insert or update on fkeys
	for each row
	execute procedure check_primary_key ('fkey3', 'fkeys2', 'pkey23');
QUERY: create trigger check_fkeys2_pkey_exist
	before insert or update on fkeys2
	for each row
	execute procedure
	check_primary_key ('fkey21', 'fkey22', 'pkeys', 'pkey1', 'pkey2');
QUERY: create trigger check_pkeys_fkey_cascade
	before delete or update on pkeys
	for each row
	execute procedure
	check_foreign_key (2, 'cascade', 'pkey1', 'pkey2',
	'fkeys', 'fkey1', 'fkey2', 'fkeys2', 'fkey21', 'fkey22');
QUERY: create trigger check_fkeys2_fkey_restrict
	before delete or update on fkeys2
	for each row
	execute procedure check_foreign_key (1, 'restrict', 'pkey23', 'fkeys', 'fkey3');
QUERY: insert into fkeys2 values (10, '1', 1);
QUERY: insert into fkeys2 values (30, '3', 2);
QUERY: insert into fkeys2 values (40, '4', 5);
QUERY: insert into fkeys2 values (50, '5', 3);
QUERY: insert into fkeys2 values (70, '5', 3);
ERROR:  check_fkeys2_pkey_exist: tuple references non-existing key in pkeys
QUERY: insert into fkeys values (10, '1', 2);
QUERY: insert into fkeys values (30, '3', 3);
QUERY: insert into fkeys values (40, '4', 2);
QUERY: insert into fkeys values (50, '5', 2);
QUERY: insert into fkeys values (70, '5', 1);
ERROR:  check_fkeys_pkey_exist: tuple references non-existing key in pkeys
QUERY: insert into fkeys values (60, '6', 4);
ERROR:  check_fkeys_pkey2_exist: tuple references non-existing key in fkeys2
QUERY: delete from pkeys where pkey1 = 30 and pkey2 = '3';
NOTICE:  check_pkeys_fkey_cascade: 1 tuple(s) of fkeys are deleted
ERROR:  check_fkeys2_fkey_restrict: tuple referenced in fkeys
QUERY: delete from pkeys where pkey1 = 40 and pkey2 = '4';
NOTICE:  check_pkeys_fkey_cascade: 1 tuple(s) of fkeys are deleted
NOTICE:  check_pkeys_fkey_cascade: 1 tuple(s) of fkeys2 are deleted
QUERY: update pkeys set pkey1 = 7, pkey2 = '70' where pkey1 = 50 and pkey2 = '5';
NOTICE:  check_pkeys_fkey_cascade: 1 tuple(s) of fkeys are deleted
ERROR:  check_fkeys2_fkey_restrict: tuple referenced in fkeys
QUERY: update pkeys set pkey1 = 7, pkey2 = '70' where pkey1 = 10 and pkey2 = '1';
NOTICE:  check_pkeys_fkey_cascade: 1 tuple(s) of fkeys are deleted
NOTICE:  check_pkeys_fkey_cascade: 1 tuple(s) of fkeys2 are deleted
QUERY: DROP TABLE pkeys;
QUERY: DROP TABLE fkeys;
QUERY: DROP TABLE fkeys2;
QUERY: create table dup17 (x int4);
QUERY: create trigger dup17_before
	before insert on dup17
	for each row
	execute procedure
	funny_dup17 ()
;
QUERY: insert into dup17 values (17);
NOTICE:  funny_dup17 (fired BEFORE) on level   1: 0/0 tuples inserted/selected
QUERY: select count(*) from dup17;
count
-----
    1
(1 row)

QUERY: insert into dup17 values (17);
NOTICE:  funny_dup17 (fired BEFORE) on level  17: 1/2 tuples inserted/selected
NOTICE:  funny_dup17 (fired BEFORE) on level  16: 1/3 tuples inserted/selected
NOTICE:  funny_dup17 (fired BEFORE) on level  15: 1/4 tuples inserted/selected
NOTICE:  funny_dup17 (fired BEFORE) on level  14: 1/5 tuples inserted/selected
NOTICE:  funny_dup17 (fired BEFORE) on level  13: 1/6 tuples inserted/selected
NOTICE:  funny_dup17 (fired BEFORE) on level  12: 1/7 tuples inserted/selected
NOTICE:  funny_dup17 (fired BEFORE) on level  11: 1/8 tuples inserted/selected
NOTICE:  funny_dup17 (fired BEFORE) on level  10: 1/9 tuples inserted/selected
NOTICE:  funny_dup17 (fired BEFORE) on level   9: 1/10 tuples inserted/selected
NOTICE:  funny_dup17 (fired BEFORE) on level   8: 1/11 tuples inserted/selected
NOTICE:  funny_dup17 (fired BEFORE) on level   7: 1/12 tuples inserted/selected
NOTICE:  funny_dup17 (fired BEFORE) on level   6: 1/13 tuples inserted/selected
NOTICE:  funny_dup17 (fired BEFORE) on level   5: 1/14 tuples inserted/selected
NOTICE:  funny_dup17 (fired BEFORE) on level   4: 1/15 tuples inserted/selected
NOTICE:  funny_dup17 (fired BEFORE) on level   3: 1/16 tuples inserted/selected
NOTICE:  funny_dup17 (fired BEFORE) on level   2: 1/17 tuples inserted/selected
NOTICE:  funny_dup17 (fired BEFORE) on level   1: 1/18 tuples inserted/selected
QUERY: select count(*) from dup17;
count
-----
   19
(1 row)

QUERY: drop trigger dup17_before on dup17;
QUERY: create trigger dup17_after
	after insert on dup17
	for each row
	execute procedure
	funny_dup17 ()
;
QUERY: insert into dup17 values (13);
NOTICE:  funny_dup17 (fired AFTER ) on level  17: 17/34 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level  16: 16/49 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level  15: 15/63 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level  14: 14/76 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level  13: 13/88 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level  12: 12/99 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level  11: 11/109 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level  10: 10/118 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   9: 9/126 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   8: 8/133 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   7: 7/139 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   6: 6/144 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   5: 5/148 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   4: 4/151 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   3: 3/153 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   2: 2/154 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   1: 1/154 tuples inserted/selected
QUERY: select count(*) from dup17 where x = 13;
count
-----
  154
(1 row)

QUERY: insert into dup17 values (13);
NOTICE:  funny_dup17 (fired AFTER ) on level  17: 171/342 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level  16: 170/511 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level  15: 169/679 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level  14: 168/846 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level  13: 167/1012 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level  12: 166/1177 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level  11: 165/1341 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level  10: 164/1504 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   9: 163/1666 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   8: 162/1827 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   7: 161/1987 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   6: 160/2146 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   5: 159/2304 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   4: 158/2461 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   3: 157/2617 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   2: 156/2772 tuples inserted/selected
NOTICE:  funny_dup17 (fired AFTER ) on level   1: 155/2926 tuples inserted/selected
QUERY: select count(*) from dup17 where x = 13;
count
-----
 2926
(1 row)

QUERY: DROP TABLE dup17;
QUERY: create sequence ttdummy_seq increment 10 start 0 minvalue 0;
QUERY: create table tttest (
	price_id	int4,
	price_val	int4,
	price_on	int4,
	price_off	int4 default 999999
);
QUERY: create trigger ttdummy
	before delete or update on tttest
	for each row
	execute procedure
	ttdummy (price_on, price_off);
QUERY: create trigger ttserial
	before insert or update on tttest
	for each row
	execute procedure
	autoinc (price_on, ttdummy_seq);
QUERY: insert into tttest values (1, 1, null);
QUERY: insert into tttest values (2, 2, null);
QUERY: insert into tttest values (3, 3, 0);
QUERY: select * from tttest;
price_id|price_val|price_on|price_off
--------+---------+--------+---------
       1|        1|      10|   999999
       2|        2|      20|   999999
       3|        3|      30|   999999
(3 rows)

QUERY: delete from tttest where price_id = 2;
QUERY: select * from tttest;
price_id|price_val|price_on|price_off
--------+---------+--------+---------
       1|        1|      10|   999999
       3|        3|      30|   999999
       2|        2|      20|       40
(3 rows)

QUERY: select * from tttest where price_off = 999999;
price_id|price_val|price_on|price_off
--------+---------+--------+---------
       1|        1|      10|   999999
       3|        3|      30|   999999
(2 rows)

QUERY: update tttest set price_val = 30 where price_id = 3;
QUERY: select * from tttest;
price_id|price_val|price_on|price_off
--------+---------+--------+---------
       1|        1|      10|   999999
       2|        2|      20|       40
       3|       30|      50|   999999
       3|        3|      30|       50
(4 rows)

QUERY: update tttest set price_id = 5 where price_id = 3;
QUERY: select * from tttest;
price_id|price_val|price_on|price_off
--------+---------+--------+---------
       1|        1|      10|   999999
       2|        2|      20|       40
       3|        3|      30|       50
       5|       30|      60|   999999
       3|       30|      50|       60
(5 rows)

QUERY: select set_ttdummy(0);
set_ttdummy
-----------
          1
(1 row)

QUERY: delete from tttest where price_id = 5;
QUERY: update tttest set price_off = 999999 where price_val = 30;
QUERY: select * from tttest;
price_id|price_val|price_on|price_off
--------+---------+--------+---------
       1|        1|      10|   999999
       2|        2|      20|       40
       3|        3|      30|       50
       3|       30|      50|   999999
(4 rows)

QUERY: update tttest set price_id = 5 where price_id = 3;
QUERY: select * from tttest;
price_id|price_val|price_on|price_off
--------+---------+--------+---------
       1|        1|      10|   999999
       2|        2|      20|       40
       5|        3|      30|       50
       5|       30|      50|   999999
(4 rows)

QUERY: select set_ttdummy(1);
set_ttdummy
-----------
          0
(1 row)

QUERY: update tttest set price_on = -1 where price_id = 1;
ERROR:  ttdummy (tttest): you can't change price_on and/or price_off columns (use set_ttdummy)
QUERY: select set_ttdummy(0);
set_ttdummy
-----------
          1
(1 row)

QUERY: update tttest set price_on = -1 where price_id = 1;
QUERY: select * from tttest;
price_id|price_val|price_on|price_off
--------+---------+--------+---------
       2|        2|      20|       40
       5|        3|      30|       50
       5|       30|      50|   999999
       1|        1|      -1|   999999
(4 rows)

QUERY: select * from tttest where price_on <= 35 and price_off > 35 and price_id = 5;
price_id|price_val|price_on|price_off
--------+---------+--------+---------
       5|        3|      30|       50
(1 row)

QUERY: drop table tttest;
QUERY: drop sequence ttdummy_seq;