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Diffstat (limited to 'components/external/SQLite-3.8.1/test/triggerC.test')
| -rw-r--r-- | components/external/SQLite-3.8.1/test/triggerC.test | 996 |
1 files changed, 0 insertions, 996 deletions
diff --git a/components/external/SQLite-3.8.1/test/triggerC.test b/components/external/SQLite-3.8.1/test/triggerC.test deleted file mode 100644 index 8d9848794a..0000000000 --- a/components/external/SQLite-3.8.1/test/triggerC.test +++ /dev/null @@ -1,996 +0,0 @@ -# 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 ORDER BY rowid; - } - } $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) >= [expr $SQLITE_MAX_TRIGGER_DEPTH / 2] - THEN RAISE(IGNORE) - ELSE NULL END; - END; - - INSERT INTO t22 VALUES(1); - SELECT count(*) FROM t22; - " -} [list [expr $SQLITE_MAX_TRIGGER_DEPTH / 2]] - -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>[expr $SQLITE_MAX_TRIGGER_DEPTH / 2] - THEN RAISE(IGNORE) - ELSE NULL END; - END; - - INSERT INTO t23 VALUES(1); - SELECT count(*) FROM t23; - " -} [list [expr $SQLITE_MAX_TRIGGER_DEPTH / 2]] - - -#----------------------------------------------------------------------- -# 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<[expr $SQLITE_MAX_TRIGGER_DEPTH * 2] 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([expr $SQLITE_MAX_TRIGGER_DEPTH + 1]); - " -} {0 {}} -do_test triggerC-3.3.2 { - db eval {SELECT count(*), max(x), min(x) FROM t3b} -} [list $SQLITE_MAX_TRIGGER_DEPTH [expr $SQLITE_MAX_TRIGGER_DEPTH * 2] [expr $SQLITE_MAX_TRIGGER_DEPTH + 1]] - -do_test triggerC-3.4.1 { - catchsql " - DELETE FROM t3b; - INSERT INTO t3b VALUES([expr $SQLITE_MAX_TRIGGER_DEPTH - 1]); - " -} {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 [expr $SQLITE_MAX_TRIGGER_DEPTH / 10] - catchsql " - INSERT INTO t3b VALUES([expr ($SQLITE_MAX_TRIGGER_DEPTH * 2) - ($SQLITE_MAX_TRIGGER_DEPTH / 10) + 1]); - " -} {0 {}} -do_test triggerC-3.5.2 { - db eval {SELECT count(*), max(x), min(x) FROM t3b} -} [list [expr $SQLITE_MAX_TRIGGER_DEPTH / 10] [expr $SQLITE_MAX_TRIGGER_DEPTH * 2] [expr ($SQLITE_MAX_TRIGGER_DEPTH * 2) - ($SQLITE_MAX_TRIGGER_DEPTH / 10) + 1]] - -do_test triggerC-3.5.3 { - catchsql " - DELETE FROM t3b; - INSERT INTO t3b VALUES([expr ($SQLITE_MAX_TRIGGER_DEPTH * 2) - ($SQLITE_MAX_TRIGGER_DEPTH / 10)]); - " -} {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([expr $SQLITE_MAX_TRIGGER_DEPTH * 2]); - " -} {0 {}} -do_test triggerC-3.6.2 { - db eval {SELECT count(*), max(x), min(x) FROM t3b} -} [list 1 [expr $SQLITE_MAX_TRIGGER_DEPTH * 2] [expr $SQLITE_MAX_TRIGGER_DEPTH * 2]] - -do_test triggerC-3.6.3 { - catchsql " - DELETE FROM t3b; - INSERT INTO t3b VALUES([expr ($SQLITE_MAX_TRIGGER_DEPTH * 2) - 1]); - " -} {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 $SQLITE_MAX_TRIGGER_DEPTH - - -#----------------------------------------------------------------------- -# 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 ORDER BY rowid; - "] - } [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 ORDER BY rowid; - SELECT * FROM t5 ORDER BY rowid; - 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 ORDER BY rowid; - SELECT * FROM t5 ORDER BY rowid; - 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 ORDER BY rowid; - SELECT * FROM t5 ORDER BY rowid; - 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; - } - } $defaults -} -do_test triggerC-11.4 { - catchsql { DROP TABLE t2 } - execsql { - DELETE FROM log; - CREATE TABLE t2(a, b); - CREATE VIEW v2 AS SELECT * FROM t2; - CREATE TRIGGER tv2 INSTEAD OF INSERT ON v2 BEGIN - INSERT INTO log VALUES(new.a, new.b); - END; - INSERT INTO v2 DEFAULT VALUES; - SELECT a, b, a IS NULL, b IS NULL FROM log; - } -} {{} {} 1 1} - -do_test triggerC-12.1 { - db close - forcedelete test.db - sqlite3 db test.db - - execsql { - CREATE TABLE t1(a, b); - INSERT INTO t1 VALUES(1, 2); - INSERT INTO t1 VALUES(3, 4); - INSERT INTO t1 VALUES(5, 6); - CREATE TRIGGER tr1 AFTER INSERT ON t1 BEGIN SELECT 1 ; END ; - SELECT count(*) FROM sqlite_master; - } -} {2} -do_test triggerC-12.2 { - db eval { SELECT * FROM t1 } { - if {$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}} - -#------------------------------------------------------------------------- -# The following tests seek to verify that constant values (i.e. literals) -# are not factored out of loops within trigger programs. SQLite does -# not factor constants out of loops within trigger programs as it may only -# do so in code generated before the first table or index is opened. And -# by the time a trigger program is coded, at least one table or index has -# always been opened. -# -# At one point, due to a bug allowing constant factoring within triggers, -# the following SQL would produce the wrong result. -# -set SQL { - CREATE TABLE t1(a, b, c); - CREATE INDEX i1 ON t1(a, c); - CREATE INDEX i2 ON t1(b, c); - INSERT INTO t1 VALUES(1, 2, 3); - - CREATE TABLE t2(e, f); - CREATE INDEX i3 ON t2(e); - INSERT INTO t2 VALUES(1234567, 3); - - CREATE TABLE empty(x); - CREATE TABLE not_empty(x); - INSERT INTO not_empty VALUES(2); - - CREATE TABLE t4(x); - CREATE TABLE t5(g, h, i); - - CREATE TRIGGER trig BEFORE INSERT ON t4 BEGIN - INSERT INTO t5 SELECT * FROM t1 WHERE - (a IN (SELECT x FROM empty) OR b IN (SELECT x FROM not_empty)) - AND c IN (SELECT f FROM t2 WHERE e=1234567); - END; - - INSERT INTO t4 VALUES(0); - SELECT * FROM t5; -} - -reset_db -do_execsql_test triggerC-14.1 $SQL {1 2 3} -reset_db -optimization_control db factor-constants 0 -do_execsql_test triggerC-14.2 $SQL {1 2 3} - -finish_test |