| # 2009 August 24 |
| # |
| # The author disclaims copyright to this source code. In place of |
| # a legal notice', here is a blessing: |
| # |
| # May you do good and not evil. |
| # May you find forgiveness for yourself and forgive others. |
| # May you share freely, never taking more than you give. |
| # |
| #*********************************************************************** |
| # |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| ifcapable {!trigger} { |
| finish_test |
| return |
| } |
| |
| #------------------------------------------------------------------------- |
| # Test organization: |
| # |
| # triggerC-1.*: Haphazardly designed trigger related tests that were useful |
| # during an upgrade of the triggers sub-system. |
| # |
| # triggerC-2.*: |
| # |
| # triggerC-3.*: |
| # |
| # triggerC-4.*: |
| # |
| # triggerC-5.*: Test that when recursive triggers are enabled DELETE |
| # triggers are fired when rows are deleted as part of OR |
| # REPLACE conflict resolution. And that they are not fired |
| # if recursive triggers are not enabled. |
| # |
| # triggerC-6.*: Test that the recursive_triggers pragma returns correct |
| # results when invoked without an argument. |
| # |
| |
| # Enable recursive triggers for this file. |
| # |
| execsql { PRAGMA recursive_triggers = on } |
| |
| #sqlite3_db_config_lookaside db 0 0 0 |
| |
| #------------------------------------------------------------------------- |
| # This block of tests, triggerC-1.*, are not aimed at any specific |
| # property of the triggers sub-system. They were created to debug |
| # specific problems while modifying SQLite to support recursive |
| # triggers. They are left here in case they can help debug the |
| # same problems again. |
| # |
| do_test triggerC-1.1 { |
| execsql { |
| CREATE TABLE t1(a, b, c); |
| CREATE TABLE log(t, a1, b1, c1, a2, b2, c2); |
| CREATE TRIGGER trig1 BEFORE INSERT ON t1 BEGIN |
| INSERT INTO log VALUES('before', NULL, NULL, NULL, new.a, new.b, new.c); |
| END; |
| CREATE TRIGGER trig2 AFTER INSERT ON t1 BEGIN |
| INSERT INTO log VALUES('after', NULL, NULL, NULL, new.a, new.b, new.c); |
| END; |
| CREATE TRIGGER trig3 BEFORE UPDATE ON t1 BEGIN |
| INSERT INTO log VALUES('before', old.a,old.b,old.c, new.a,new.b,new.c); |
| END; |
| CREATE TRIGGER trig4 AFTER UPDATE ON t1 BEGIN |
| INSERT INTO log VALUES('after', old.a,old.b,old.c, new.a,new.b,new.c); |
| END; |
| |
| CREATE TRIGGER trig5 BEFORE DELETE ON t1 BEGIN |
| INSERT INTO log VALUES('before', old.a,old.b,old.c, NULL,NULL,NULL); |
| END; |
| CREATE TRIGGER trig6 AFTER DELETE ON t1 BEGIN |
| INSERT INTO log VALUES('after', old.a,old.b,old.c, NULL,NULL,NULL); |
| END; |
| } |
| } {} |
| do_test triggerC-1.2 { |
| execsql { |
| INSERT INTO t1 VALUES('A', 'B', 'C'); |
| SELECT * FROM log; |
| } |
| } {before {} {} {} A B C after {} {} {} A B C} |
| do_test triggerC-1.3 { |
| execsql { SELECT * FROM t1 } |
| } {A B C} |
| do_test triggerC-1.4 { |
| execsql { |
| DELETE FROM log; |
| UPDATE t1 SET a = 'a'; |
| SELECT * FROM log; |
| } |
| } {before A B C a B C after A B C a B C} |
| do_test triggerC-1.5 { |
| execsql { SELECT * FROM t1 } |
| } {a B C} |
| do_test triggerC-1.6 { |
| execsql { |
| DELETE FROM log; |
| DELETE FROM t1; |
| SELECT * FROM log; |
| } |
| } {before a B C {} {} {} after a B C {} {} {}} |
| do_test triggerC-1.7 { |
| execsql { SELECT * FROM t1 } |
| } {} |
| do_test triggerC-1.8 { |
| execsql { |
| CREATE TABLE t4(a, b); |
| CREATE TRIGGER t4t AFTER DELETE ON t4 BEGIN |
| SELECT RAISE(ABORT, 'delete is not supported'); |
| END; |
| } |
| } {} |
| do_test triggerC-1.9 { |
| execsql { INSERT INTO t4 VALUES(1, 2) } |
| catchsql { DELETE FROM t4 } |
| } {1 {delete is not supported}} |
| do_test triggerC-1.10 { |
| execsql { SELECT * FROM t4 } |
| } {1 2} |
| do_test triggerC-1.11 { |
| execsql { |
| CREATE TABLE t5 (a primary key, b, c); |
| INSERT INTO t5 values (1, 2, 3); |
| CREATE TRIGGER au_tbl AFTER UPDATE ON t5 BEGIN |
| UPDATE OR IGNORE t5 SET a = new.a, c = 10; |
| END; |
| } |
| } {} |
| do_test triggerC-1.12 { |
| catchsql { UPDATE OR REPLACE t5 SET a = 4 WHERE a = 1 } |
| } {1 {too many levels of trigger recursion}} |
| do_test triggerC-1.13 { |
| execsql { |
| CREATE TABLE t6(a INTEGER PRIMARY KEY, b); |
| INSERT INTO t6 VALUES(1, 2); |
| create trigger r1 after update on t6 for each row begin |
| SELECT 1; |
| end; |
| UPDATE t6 SET a=a; |
| } |
| } {} |
| do_test triggerC-1.14 { |
| execsql { |
| DROP TABLE t1; |
| CREATE TABLE cnt(n); |
| INSERT INTO cnt VALUES(0); |
| CREATE TABLE t1(a INTEGER PRIMARY KEY, b UNIQUE, c, d, e); |
| CREATE INDEX t1cd ON t1(c,d); |
| CREATE TRIGGER t1r1 AFTER UPDATE ON t1 BEGIN UPDATE cnt SET n=n+1; END; |
| INSERT INTO t1 VALUES(1,2,3,4,5); |
| INSERT INTO t1 VALUES(6,7,8,9,10); |
| INSERT INTO t1 VALUES(11,12,13,14,15); |
| } |
| } {} |
| do_test triggerC-1.15 { |
| catchsql { UPDATE OR ROLLBACK t1 SET a=100 } |
| } {1 {PRIMARY KEY must be unique}} |
| |
| |
| #------------------------------------------------------------------------- |
| # This block of tests, triggerC-2.*, tests that recursive trigger |
| # programs (triggers that fire themselves) work. More specifically, |
| # this block focuses on recursive INSERT triggers. |
| # |
| do_test triggerC-2.1.0 { |
| execsql { |
| CREATE TABLE t2(a PRIMARY KEY); |
| } |
| } {} |
| |
| foreach {n tdefn rc} { |
| 1 { |
| CREATE TRIGGER t2_trig AFTER INSERT ON t2 WHEN (new.a>0) BEGIN |
| INSERT INTO t2 VALUES(new.a - 1); |
| END; |
| } {0 {10 9 8 7 6 5 4 3 2 1 0}} |
| |
| 2 { |
| CREATE TRIGGER t2_trig AFTER INSERT ON t2 BEGIN |
| SELECT CASE WHEN new.a==2 THEN RAISE(IGNORE) ELSE NULL END; |
| INSERT INTO t2 VALUES(new.a - 1); |
| END; |
| } {0 {10 9 8 7 6 5 4 3 2}} |
| |
| 3 { |
| CREATE TRIGGER t2_trig BEFORE INSERT ON t2 WHEN (new.a>0) BEGIN |
| INSERT INTO t2 VALUES(new.a - 1); |
| END; |
| } {0 {0 1 2 3 4 5 6 7 8 9 10}} |
| |
| 4 { |
| CREATE TRIGGER t2_trig BEFORE INSERT ON t2 BEGIN |
| SELECT CASE WHEN new.a==2 THEN RAISE(IGNORE) ELSE NULL END; |
| INSERT INTO t2 VALUES(new.a - 1); |
| END; |
| } {0 {3 4 5 6 7 8 9 10}} |
| |
| 5 { |
| CREATE TRIGGER t2_trig BEFORE INSERT ON t2 BEGIN |
| INSERT INTO t2 VALUES(new.a - 1); |
| END; |
| } {1 {too many levels of trigger recursion}} |
| |
| 6 { |
| CREATE TRIGGER t2_trig AFTER INSERT ON t2 WHEN (new.a>0) BEGIN |
| INSERT OR IGNORE INTO t2 VALUES(new.a); |
| END; |
| } {0 10} |
| |
| 7 { |
| CREATE TRIGGER t2_trig BEFORE INSERT ON t2 WHEN (new.a>0) BEGIN |
| INSERT OR IGNORE INTO t2 VALUES(new.a); |
| END; |
| } {1 {too many levels of trigger recursion}} |
| } { |
| do_test triggerC-2.1.$n { |
| catchsql { DROP TRIGGER t2_trig } |
| execsql { DELETE FROM t2 } |
| execsql $tdefn |
| catchsql { |
| INSERT INTO t2 VALUES(10); |
| SELECT * FROM t2; |
| } |
| } $rc |
| } |
| |
| do_test triggerC-2.2 { |
| execsql { |
| CREATE TABLE t22(x); |
| |
| CREATE TRIGGER t22a AFTER INSERT ON t22 BEGIN |
| INSERT INTO t22 SELECT x + (SELECT max(x) FROM t22) FROM t22; |
| END; |
| CREATE TRIGGER t22b BEFORE INSERT ON t22 BEGIN |
| SELECT CASE WHEN (SELECT count(*) FROM t22) >= 100 |
| THEN RAISE(IGNORE) |
| ELSE NULL END; |
| END; |
| |
| INSERT INTO t22 VALUES(1); |
| SELECT count(*) FROM t22; |
| } |
| } {100} |
| |
| do_test triggerC-2.3 { |
| execsql { |
| CREATE TABLE t23(x PRIMARY KEY); |
| |
| CREATE TRIGGER t23a AFTER INSERT ON t23 BEGIN |
| INSERT INTO t23 VALUES(new.x + 1); |
| END; |
| |
| CREATE TRIGGER t23b BEFORE INSERT ON t23 BEGIN |
| SELECT CASE WHEN new.x>500 |
| THEN RAISE(IGNORE) |
| ELSE NULL END; |
| END; |
| |
| INSERT INTO t23 VALUES(1); |
| SELECT count(*) FROM t23; |
| } |
| } {500} |
| |
| |
| #----------------------------------------------------------------------- |
| # This block of tests, triggerC-3.*, test that SQLite throws an exception |
| # when it detects excessive recursion. |
| # |
| do_test triggerC-3.1.1 { |
| execsql { |
| CREATE TABLE t3(a, b); |
| CREATE TRIGGER t3i AFTER INSERT ON t3 BEGIN |
| DELETE FROM t3 WHERE rowid = new.rowid; |
| END; |
| CREATE TRIGGER t3d AFTER DELETE ON t3 BEGIN |
| INSERT INTO t3 VALUES(old.a, old.b); |
| END; |
| } |
| } {} |
| do_test triggerC-3.1.2 { |
| catchsql { INSERT INTO t3 VALUES(0,0) } |
| } {1 {too many levels of trigger recursion}} |
| do_test triggerC-3.1.3 { |
| execsql { SELECT * FROM t3 } |
| } {} |
| |
| do_test triggerC-3.2.1 { |
| execsql { |
| CREATE TABLE t3b(x); |
| CREATE TRIGGER t3bi AFTER INSERT ON t3b WHEN new.x<2000 BEGIN |
| INSERT INTO t3b VALUES(new.x+1); |
| END; |
| } |
| catchsql { |
| INSERT INTO t3b VALUES(1); |
| } |
| } {1 {too many levels of trigger recursion}} |
| do_test triggerC-3.2.2 { |
| db eval {SELECT * FROM t3b} |
| } {} |
| |
| do_test triggerC-3.3.1 { |
| catchsql { |
| INSERT INTO t3b VALUES(1001); |
| } |
| } {0 {}} |
| do_test triggerC-3.3.2 { |
| db eval {SELECT count(*), max(x), min(x) FROM t3b} |
| } {1000 2000 1001} |
| |
| do_test triggerC-3.4.1 { |
| catchsql { |
| DELETE FROM t3b; |
| INSERT INTO t3b VALUES(999); |
| } |
| } {1 {too many levels of trigger recursion}} |
| do_test triggerC-3.4.2 { |
| db eval {SELECT count(*), max(x), min(x) FROM t3b} |
| } {0 {} {}} |
| |
| do_test triggerC-3.5.1 { |
| sqlite3_limit db SQLITE_LIMIT_TRIGGER_DEPTH 100 |
| catchsql { |
| INSERT INTO t3b VALUES(1901); |
| } |
| } {0 {}} |
| do_test triggerC-3.5.2 { |
| db eval {SELECT count(*), max(x), min(x) FROM t3b} |
| } {100 2000 1901} |
| |
| do_test triggerC-3.5.3 { |
| catchsql { |
| DELETE FROM t3b; |
| INSERT INTO t3b VALUES(1900); |
| } |
| } {1 {too many levels of trigger recursion}} |
| do_test triggerC-3.5.4 { |
| db eval {SELECT count(*), max(x), min(x) FROM t3b} |
| } {0 {} {}} |
| |
| do_test triggerC-3.6.1 { |
| sqlite3_limit db SQLITE_LIMIT_TRIGGER_DEPTH 1 |
| catchsql { |
| INSERT INTO t3b VALUES(2000); |
| } |
| } {0 {}} |
| do_test triggerC-3.6.2 { |
| db eval {SELECT count(*), max(x), min(x) FROM t3b} |
| } {1 2000 2000} |
| |
| do_test triggerC-3.6.3 { |
| catchsql { |
| DELETE FROM t3b; |
| INSERT INTO t3b VALUES(1999); |
| } |
| } {1 {too many levels of trigger recursion}} |
| do_test triggerC-3.6.4 { |
| db eval {SELECT count(*), max(x), min(x) FROM t3b} |
| } {0 {} {}} |
| sqlite3_limit db SQLITE_LIMIT_TRIGGER_DEPTH 1000 |
| |
| |
| #----------------------------------------------------------------------- |
| # This next block of tests, triggerC-4.*, checks that affinity |
| # transformations and constraint processing is performed at the correct |
| # times relative to BEFORE and AFTER triggers. |
| # |
| # For an INSERT statement, for each row to be inserted: |
| # |
| # 1. Apply affinities to non-rowid values to be inserted. |
| # 2. Fire BEFORE triggers. |
| # 3. Process constraints. |
| # 4. Insert new record. |
| # 5. Fire AFTER triggers. |
| # |
| # If the value of the rowid field is to be automatically assigned, it is |
| # set to -1 in the new.* record. Even if it is explicitly set to NULL |
| # by the INSERT statement. |
| # |
| # For an UPDATE statement, for each row to be deleted: |
| # |
| # 1. Apply affinities to non-rowid values to be inserted. |
| # 2. Fire BEFORE triggers. |
| # 3. Process constraints. |
| # 4. Insert new record. |
| # 5. Fire AFTER triggers. |
| # |
| # For a DELETE statement, for each row to be deleted: |
| # |
| # 1. Fire BEFORE triggers. |
| # 2. Remove database record. |
| # 3. Fire AFTER triggers. |
| # |
| # When a numeric value that as an exact integer representation is stored |
| # in a column with REAL affinity, it is actually stored as an integer. |
| # These tests check that the typeof() such values is always 'real', |
| # not 'integer'. |
| # |
| # triggerC-4.1.*: Check that affinity transformations are made before |
| # triggers are invoked. |
| # |
| do_test triggerC-4.1.1 { |
| catchsql { DROP TABLE log } |
| catchsql { DROP TABLE t4 } |
| execsql { |
| CREATE TABLE log(t); |
| CREATE TABLE t4(a TEXT,b INTEGER,c REAL); |
| CREATE TRIGGER t4bi BEFORE INSERT ON t4 BEGIN |
| INSERT INTO log VALUES(new.rowid || ' ' || typeof(new.rowid) || ' ' || |
| new.a || ' ' || typeof(new.a) || ' ' || |
| new.b || ' ' || typeof(new.b) || ' ' || |
| new.c || ' ' || typeof(new.c) |
| ); |
| END; |
| CREATE TRIGGER t4ai AFTER INSERT ON t4 BEGIN |
| INSERT INTO log VALUES(new.rowid || ' ' || typeof(new.rowid) || ' ' || |
| new.a || ' ' || typeof(new.a) || ' ' || |
| new.b || ' ' || typeof(new.b) || ' ' || |
| new.c || ' ' || typeof(new.c) |
| ); |
| END; |
| CREATE TRIGGER t4bd BEFORE DELETE ON t4 BEGIN |
| INSERT INTO log VALUES(old.rowid || ' ' || typeof(old.rowid) || ' ' || |
| old.a || ' ' || typeof(old.a) || ' ' || |
| old.b || ' ' || typeof(old.b) || ' ' || |
| old.c || ' ' || typeof(old.c) |
| ); |
| END; |
| CREATE TRIGGER t4ad AFTER DELETE ON t4 BEGIN |
| INSERT INTO log VALUES(old.rowid || ' ' || typeof(old.rowid) || ' ' || |
| old.a || ' ' || typeof(old.a) || ' ' || |
| old.b || ' ' || typeof(old.b) || ' ' || |
| old.c || ' ' || typeof(old.c) |
| ); |
| END; |
| CREATE TRIGGER t4bu BEFORE UPDATE ON t4 BEGIN |
| INSERT INTO log VALUES(old.rowid || ' ' || typeof(old.rowid) || ' ' || |
| old.a || ' ' || typeof(old.a) || ' ' || |
| old.b || ' ' || typeof(old.b) || ' ' || |
| old.c || ' ' || typeof(old.c) |
| ); |
| INSERT INTO log VALUES(new.rowid || ' ' || typeof(new.rowid) || ' ' || |
| new.a || ' ' || typeof(new.a) || ' ' || |
| new.b || ' ' || typeof(new.b) || ' ' || |
| new.c || ' ' || typeof(new.c) |
| ); |
| END; |
| CREATE TRIGGER t4au AFTER UPDATE ON t4 BEGIN |
| INSERT INTO log VALUES(old.rowid || ' ' || typeof(old.rowid) || ' ' || |
| old.a || ' ' || typeof(old.a) || ' ' || |
| old.b || ' ' || typeof(old.b) || ' ' || |
| old.c || ' ' || typeof(old.c) |
| ); |
| INSERT INTO log VALUES(new.rowid || ' ' || typeof(new.rowid) || ' ' || |
| new.a || ' ' || typeof(new.a) || ' ' || |
| new.b || ' ' || typeof(new.b) || ' ' || |
| new.c || ' ' || typeof(new.c) |
| ); |
| END; |
| } |
| } {} |
| foreach {n insert log} { |
| |
| 2 { |
| INSERT INTO t4 VALUES('1', '1', '1'); |
| DELETE FROM t4; |
| } { |
| -1 integer 1 text 1 integer 1.0 real |
| 1 integer 1 text 1 integer 1.0 real |
| 1 integer 1 text 1 integer 1.0 real |
| 1 integer 1 text 1 integer 1.0 real |
| } |
| |
| 3 { |
| INSERT INTO t4(rowid,a,b,c) VALUES(45, 45, 45, 45); |
| DELETE FROM t4; |
| } { |
| 45 integer 45 text 45 integer 45.0 real |
| 45 integer 45 text 45 integer 45.0 real |
| 45 integer 45 text 45 integer 45.0 real |
| 45 integer 45 text 45 integer 45.0 real |
| } |
| |
| 4 { |
| INSERT INTO t4(rowid,a,b,c) VALUES(-42.0, -42.0, -42.0, -42.0); |
| DELETE FROM t4; |
| } { |
| -42 integer -42.0 text -42 integer -42.0 real |
| -42 integer -42.0 text -42 integer -42.0 real |
| -42 integer -42.0 text -42 integer -42.0 real |
| -42 integer -42.0 text -42 integer -42.0 real |
| } |
| |
| 5 { |
| INSERT INTO t4(rowid,a,b,c) VALUES(NULL, -42.4, -42.4, -42.4); |
| DELETE FROM t4; |
| } { |
| -1 integer -42.4 text -42.4 real -42.4 real |
| 1 integer -42.4 text -42.4 real -42.4 real |
| 1 integer -42.4 text -42.4 real -42.4 real |
| 1 integer -42.4 text -42.4 real -42.4 real |
| } |
| |
| 6 { |
| INSERT INTO t4 VALUES(7, 7, 7); |
| UPDATE t4 SET a=8, b=8, c=8; |
| } { |
| -1 integer 7 text 7 integer 7.0 real |
| 1 integer 7 text 7 integer 7.0 real |
| 1 integer 7 text 7 integer 7.0 real |
| 1 integer 8 text 8 integer 8.0 real |
| 1 integer 7 text 7 integer 7.0 real |
| 1 integer 8 text 8 integer 8.0 real |
| } |
| |
| 7 { |
| UPDATE t4 SET rowid=2; |
| } { |
| 1 integer 8 text 8 integer 8.0 real |
| 2 integer 8 text 8 integer 8.0 real |
| 1 integer 8 text 8 integer 8.0 real |
| 2 integer 8 text 8 integer 8.0 real |
| } |
| |
| 8 { |
| UPDATE t4 SET a='9', b='9', c='9'; |
| } { |
| 2 integer 8 text 8 integer 8.0 real |
| 2 integer 9 text 9 integer 9.0 real |
| 2 integer 8 text 8 integer 8.0 real |
| 2 integer 9 text 9 integer 9.0 real |
| } |
| |
| 9 { |
| UPDATE t4 SET a='9.1', b='9.1', c='9.1'; |
| } { |
| 2 integer 9 text 9 integer 9.0 real |
| 2 integer 9.1 text 9.1 real 9.1 real |
| 2 integer 9 text 9 integer 9.0 real |
| 2 integer 9.1 text 9.1 real 9.1 real |
| } |
| } { |
| do_test triggerC-4.1.$n { |
| eval concat [execsql " |
| DELETE FROM log; |
| $insert ; |
| SELECT * FROM log; |
| "] |
| } [join $log " "] |
| } |
| |
| #------------------------------------------------------------------------- |
| # This block of tests, triggerC-5.*, test that DELETE triggers are fired |
| # if a row is deleted as a result of OR REPLACE conflict resolution. |
| # |
| do_test triggerC-5.1.0 { |
| execsql { |
| DROP TABLE IF EXISTS t5; |
| CREATE TABLE t5(a INTEGER PRIMARY KEY, b); |
| CREATE UNIQUE INDEX t5i ON t5(b); |
| INSERT INTO t5 VALUES(1, 'a'); |
| INSERT INTO t5 VALUES(2, 'b'); |
| INSERT INTO t5 VALUES(3, 'c'); |
| |
| CREATE TABLE t5g(a, b, c); |
| CREATE TRIGGER t5t BEFORE DELETE ON t5 BEGIN |
| INSERT INTO t5g VALUES(old.a, old.b, (SELECT count(*) FROM t5)); |
| END; |
| } |
| } {} |
| foreach {n dml t5g t5} { |
| 1 "DELETE FROM t5 WHERE a=2" {2 b 3} {1 a 3 c} |
| 2 "INSERT OR REPLACE INTO t5 VALUES(2, 'd')" {2 b 3} {1 a 2 d 3 c} |
| 3 "UPDATE OR REPLACE t5 SET a = 2 WHERE a = 3" {2 b 3} {1 a 2 c} |
| 4 "INSERT OR REPLACE INTO t5 VALUES(4, 'b')" {2 b 3} {1 a 3 c 4 b} |
| 5 "UPDATE OR REPLACE t5 SET b = 'b' WHERE b = 'c'" {2 b 3} {1 a 3 b} |
| 6 "INSERT OR REPLACE INTO t5 VALUES(2, 'c')" {2 b 3 3 c 2} {1 a 2 c} |
| 7 "UPDATE OR REPLACE t5 SET a=1, b='b' WHERE a = 3" {1 a 3 2 b 2} {1 b} |
| } { |
| do_test triggerC-5.1.$n { |
| execsql " |
| BEGIN; |
| $dml ; |
| SELECT * FROM t5g; |
| SELECT * FROM t5; |
| ROLLBACK; |
| " |
| } [concat $t5g $t5] |
| } |
| do_test triggerC-5.2.0 { |
| execsql { |
| DROP TRIGGER t5t; |
| CREATE TRIGGER t5t AFTER DELETE ON t5 BEGIN |
| INSERT INTO t5g VALUES(old.a, old.b, (SELECT count(*) FROM t5)); |
| END; |
| } |
| } {} |
| foreach {n dml t5g t5} { |
| 1 "DELETE FROM t5 WHERE a=2" {2 b 2} {1 a 3 c} |
| 2 "INSERT OR REPLACE INTO t5 VALUES(2, 'd')" {2 b 2} {1 a 2 d 3 c} |
| 3 "UPDATE OR REPLACE t5 SET a = 2 WHERE a = 3" {2 b 2} {1 a 2 c} |
| 4 "INSERT OR REPLACE INTO t5 VALUES(4, 'b')" {2 b 2} {1 a 3 c 4 b} |
| 5 "UPDATE OR REPLACE t5 SET b = 'b' WHERE b = 'c'" {2 b 2} {1 a 3 b} |
| 6 "INSERT OR REPLACE INTO t5 VALUES(2, 'c')" {2 b 2 3 c 1} {1 a 2 c} |
| 7 "UPDATE OR REPLACE t5 SET a=1, b='b' WHERE a = 3" {1 a 2 2 b 1} {1 b} |
| } { |
| do_test triggerC-5.2.$n { |
| execsql " |
| BEGIN; |
| $dml ; |
| SELECT * FROM t5g; |
| SELECT * FROM t5; |
| ROLLBACK; |
| " |
| } [concat $t5g $t5] |
| } |
| do_test triggerC-5.3.0 { |
| execsql { PRAGMA recursive_triggers = off } |
| } {} |
| foreach {n dml t5g t5} { |
| 1 "DELETE FROM t5 WHERE a=2" {2 b 2} {1 a 3 c} |
| 2 "INSERT OR REPLACE INTO t5 VALUES(2, 'd')" {} {1 a 2 d 3 c} |
| 3 "UPDATE OR REPLACE t5 SET a = 2 WHERE a = 3" {} {1 a 2 c} |
| 4 "INSERT OR REPLACE INTO t5 VALUES(4, 'b')" {} {1 a 3 c 4 b} |
| 5 "UPDATE OR REPLACE t5 SET b = 'b' WHERE b = 'c'" {} {1 a 3 b} |
| 6 "INSERT OR REPLACE INTO t5 VALUES(2, 'c')" {} {1 a 2 c} |
| 7 "UPDATE OR REPLACE t5 SET a=1, b='b' WHERE a = 3" {} {1 b} |
| } { |
| do_test triggerC-5.3.$n { |
| execsql " |
| BEGIN; |
| $dml ; |
| SELECT * FROM t5g; |
| SELECT * FROM t5; |
| ROLLBACK; |
| " |
| } [concat $t5g $t5] |
| } |
| do_test triggerC-5.3.8 { |
| execsql { PRAGMA recursive_triggers = on } |
| } {} |
| |
| #------------------------------------------------------------------------- |
| # This block of tests, triggerC-6.*, tests that "PRAGMA recursive_triggers" |
| # statements return the current value of the recursive triggers flag. |
| # |
| do_test triggerC-6.1 { |
| execsql { PRAGMA recursive_triggers } |
| } {1} |
| do_test triggerC-6.2 { |
| execsql { |
| PRAGMA recursive_triggers = off; |
| PRAGMA recursive_triggers; |
| } |
| } {0} |
| do_test triggerC-6.3 { |
| execsql { |
| PRAGMA recursive_triggers = on; |
| PRAGMA recursive_triggers; |
| } |
| } {1} |
| |
| #------------------------------------------------------------------------- |
| # Test some of the "undefined behaviour" associated with triggers. The |
| # undefined behaviour occurs when a row being updated or deleted is |
| # manipulated by a BEFORE trigger. |
| # |
| do_test triggerC-7.1 { |
| execsql { |
| CREATE TABLE t8(x); |
| CREATE TABLE t7(a, b); |
| INSERT INTO t7 VALUES(1, 2); |
| INSERT INTO t7 VALUES(3, 4); |
| INSERT INTO t7 VALUES(5, 6); |
| CREATE TRIGGER t7t BEFORE UPDATE ON t7 BEGIN |
| DELETE FROM t7 WHERE a = 1; |
| END; |
| CREATE TRIGGER t7ta AFTER UPDATE ON t7 BEGIN |
| INSERT INTO t8 VALUES('after fired ' || old.rowid || '->' || new.rowid); |
| END; |
| } |
| } {} |
| do_test triggerC-7.2 { |
| execsql { |
| BEGIN; |
| UPDATE t7 SET b=7 WHERE a = 5; |
| SELECT * FROM t7; |
| SELECT * FROM t8; |
| ROLLBACK; |
| } |
| } {3 4 5 7 {after fired 3->3}} |
| do_test triggerC-7.3 { |
| execsql { |
| BEGIN; |
| UPDATE t7 SET b=7 WHERE a = 1; |
| SELECT * FROM t7; |
| SELECT * FROM t8; |
| ROLLBACK; |
| } |
| } {3 4 5 6} |
| |
| do_test triggerC-7.4 { |
| execsql { |
| DROP TRIGGER t7t; |
| CREATE TRIGGER t7t BEFORE UPDATE ON t7 WHEN (old.rowid!=1 OR new.rowid!=8) |
| BEGIN |
| UPDATE t7 set rowid = 8 WHERE rowid=1; |
| END; |
| } |
| } {} |
| do_test triggerC-7.5 { |
| execsql { |
| BEGIN; |
| UPDATE t7 SET b=7 WHERE a = 5; |
| SELECT rowid, * FROM t7; |
| SELECT * FROM t8; |
| ROLLBACK; |
| } |
| } {2 3 4 3 5 7 8 1 2 {after fired 1->8} {after fired 3->3}} |
| do_test triggerC-7.6 { |
| execsql { |
| BEGIN; |
| UPDATE t7 SET b=7 WHERE a = 1; |
| SELECT rowid, * FROM t7; |
| SELECT * FROM t8; |
| ROLLBACK; |
| } |
| } {2 3 4 3 5 6 8 1 2 {after fired 1->8}} |
| |
| do_test triggerC-7.7 { |
| execsql { |
| DROP TRIGGER t7t; |
| DROP TRIGGER t7ta; |
| CREATE TRIGGER t7t BEFORE DELETE ON t7 BEGIN |
| UPDATE t7 set rowid = 8 WHERE rowid=1; |
| END; |
| CREATE TRIGGER t7ta AFTER DELETE ON t7 BEGIN |
| INSERT INTO t8 VALUES('after fired ' || old.rowid); |
| END; |
| } |
| } {} |
| do_test triggerC-7.8 { |
| execsql { |
| BEGIN; |
| DELETE FROM t7 WHERE a = 3; |
| SELECT rowid, * FROM t7; |
| SELECT * FROM t8; |
| ROLLBACK; |
| } |
| } {3 5 6 8 1 2 {after fired 2}} |
| do_test triggerC-7.9 { |
| execsql { |
| BEGIN; |
| DELETE FROM t7 WHERE a = 1; |
| SELECT rowid, * FROM t7; |
| SELECT * FROM t8; |
| ROLLBACK; |
| } |
| } {2 3 4 3 5 6 8 1 2} |
| |
| # Ticket [e25d9ea771febc9c311928c1c01c3163dcb26643] |
| # |
| do_test triggerC-9.1 { |
| execsql { |
| CREATE TABLE t9(a,b); |
| CREATE INDEX t9b ON t9(b); |
| INSERT INTO t9 VALUES(1,0); |
| INSERT INTO t9 VALUES(2,1); |
| INSERT INTO t9 VALUES(3,2); |
| INSERT INTO t9 SELECT a+3, a+2 FROM t9; |
| INSERT INTO t9 SELECT a+6, a+5 FROM t9; |
| SELECT a FROM t9 ORDER BY a; |
| } |
| } {1 2 3 4 5 6 7 8 9 10 11 12} |
| do_test triggerC-9.2 { |
| execsql { |
| CREATE TRIGGER t9r1 AFTER DELETE ON t9 BEGIN |
| DELETE FROM t9 WHERE b=old.a; |
| END; |
| DELETE FROM t9 WHERE b=4; |
| SELECT a FROM t9 ORDER BY a; |
| } |
| } {1 2 3 4} |
| |
| # At one point (between versions 3.6.18 and 3.6.20 inclusive), an UPDATE |
| # that fired a BEFORE trigger that itself updated the same row as the |
| # statement causing it to fire was causing a strange side-effect: The |
| # values updated by the statement within the trigger were being overwritten |
| # by the values in the new.* array, even if those values were not |
| # themselves written by the parent UPDATE statement. |
| # |
| # Technically speaking this was not a bug. The SQLite documentation says |
| # that if a BEFORE UPDATE or BEFORE DELETE trigger modifies or deletes the |
| # row that the parent statement is operating on the results are undefined. |
| # But as of 3.6.21 behaviour is restored to the way it was in versions |
| # 3.6.17 and earlier to avoid causing unnecessary difficulties. |
| # |
| do_test triggerC-10.1 { |
| execsql { |
| CREATE TABLE t10(a, updatecnt DEFAULT 0); |
| CREATE TRIGGER t10_bu BEFORE UPDATE OF a ON t10 BEGIN |
| UPDATE t10 SET updatecnt = updatecnt+1 WHERE rowid = old.rowid; |
| END; |
| INSERT INTO t10(a) VALUES('hello'); |
| } |
| |
| # Before the problem was fixed, table t10 would contain the tuple |
| # (world, 0) after running the following script (because the value |
| # 1 written to column "updatecnt" was clobbered by the old value 0). |
| # |
| execsql { |
| UPDATE t10 SET a = 'world'; |
| SELECT * FROM t10; |
| } |
| } {world 1} |
| |
| do_test triggerC-10.2 { |
| execsql { |
| UPDATE t10 SET a = 'tcl', updatecnt = 5; |
| SELECT * FROM t10; |
| } |
| } {tcl 5} |
| |
| do_test triggerC-10.3 { |
| execsql { |
| CREATE TABLE t11( |
| c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, |
| c11, c12, c13, c14, c15, c16, c17, c18, c19, c20, |
| c21, c22, c23, c24, c25, c26, c27, c28, c29, c30, |
| c31, c32, c33, c34, c35, c36, c37, c38, c39, c40 |
| ); |
| |
| CREATE TRIGGER t11_bu BEFORE UPDATE OF c1 ON t11 BEGIN |
| UPDATE t11 SET c31 = c31+1, c32=c32+1 WHERE rowid = old.rowid; |
| END; |
| |
| INSERT INTO t11 VALUES( |
| 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, |
| 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, |
| 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, |
| 31, 32, 33, 34, 35, 36, 37, 38, 39, 40 |
| ); |
| } |
| |
| # Before the problem was fixed, table t10 would contain the tuple |
| # (world, 0) after running the following script (because the value |
| # 1 written to column "updatecnt" was clobbered by the old value 0). |
| # |
| execsql { |
| UPDATE t11 SET c4=35, c33=22, c1=5; |
| SELECT * FROM t11; |
| } |
| } {5 2 3 35 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 32 33 22 34 35 36 37 38 39 40} |
| |
| #------------------------------------------------------------------------- |
| # Test that bug [371bab5d65] has been fixed. BEFORE INSERT and INSTEAD OF |
| # INSERT triggers with the DEFAULT VALUES INSERT syntax. |
| # |
| do_test triggerC-11.0 { |
| catchsql { DROP TABLE log } |
| execsql { CREATE TABLE log(a, b) } |
| } {} |
| |
| foreach {testno tbl defaults} { |
| 1 "CREATE TABLE t1(a, b)" {{} {}} |
| 2 "CREATE TABLE t1(a DEFAULT 1, b DEFAULT 'abc')" {1 abc} |
| 3 "CREATE TABLE t1(a, b DEFAULT 4.5)" {{} 4.5} |
| } { |
| do_test triggerC-11.$testno.1 { |
| catchsql { DROP TABLE t1 } |
| execsql { DELETE FROM log } |
| execsql $tbl |
| execsql { |
| CREATE TRIGGER tt1 BEFORE INSERT ON t1 BEGIN |
| INSERT INTO log VALUES(new.a, new.b); |
| END; |
| INSERT INTO t1 DEFAULT VALUES; |
| SELECT * FROM log; |
| } |
| } $defaults |
| |
| do_test triggerC-11.$testno.2 { |
| execsql { DELETE FROM log } |
| execsql { |
| CREATE TRIGGER tt2 AFTER INSERT ON t1 BEGIN |
| INSERT INTO log VALUES(new.a, new.b); |
| END; |
| INSERT INTO t1 DEFAULT VALUES; |
| SELECT * FROM log; |
| } |
| } [concat $defaults $defaults] |
| |
| do_test triggerC-11.$testno.3 { |
| execsql { DROP TRIGGER tt1 } |
| execsql { DELETE FROM log } |
| execsql { |
| INSERT INTO t1 DEFAULT VALUES; |
| SELECT * FROM log; |
| } |
| } $defaults |
| } |
| do_test triggerC-11.4 { |
| catchsql { DROP TABLE t2 } |
| execsql { |
| DELETE FROM log; |
| CREATE TABLE t2(a, b); |
| CREATE VIEW v2 AS SELECT * FROM t2; |
| CREATE TRIGGER tv2 INSTEAD OF INSERT ON v2 BEGIN |
| INSERT INTO log VALUES(new.a, new.b); |
| END; |
| INSERT INTO v2 DEFAULT VALUES; |
| SELECT a, b, a IS NULL, b IS NULL FROM log; |
| } |
| } {{} {} 1 1} |
| |
| do_test triggerC-12.1 { |
| db close |
| file delete -force test.db |
| sqlite3 db test.db |
| |
| execsql { |
| CREATE TABLE t1(a, b); |
| INSERT INTO t1 VALUES(1, 2); |
| INSERT INTO t1 VALUES(3, 4); |
| INSERT INTO t1 VALUES(5, 6); |
| CREATE TRIGGER tr1 AFTER INSERT ON t1 BEGIN SELECT 1 ; END ; |
| SELECT count(*) FROM sqlite_master; |
| } |
| } {2} |
| do_test triggerC-12.2 { |
| db eval { SELECT * FROM t1 } { |
| if {$a == 3} { execsql { DROP TRIGGER tr1 } } |
| } |
| execsql { SELECT count(*) FROM sqlite_master } |
| } {1} |
| |
| do_execsql_test triggerC-13.1 { |
| PRAGMA recursive_triggers = ON; |
| CREATE TABLE t12(a, b); |
| INSERT INTO t12 VALUES(1, 2); |
| CREATE TRIGGER tr12 AFTER UPDATE ON t12 BEGIN |
| UPDATE t12 SET a=new.a+1, b=new.b+1; |
| END; |
| } {} |
| do_catchsql_test triggerC-13.2 { |
| UPDATE t12 SET a=a+1, b=b+1; |
| } {1 {too many levels of trigger recursion}} |
| |
| |
| |
| finish_test |
