diff options
Diffstat (limited to '')
-rw-r--r-- | test/trigger1.test | 841 |
1 files changed, 841 insertions, 0 deletions
diff --git a/test/trigger1.test b/test/trigger1.test new file mode 100644 index 0000000..6de121f --- /dev/null +++ b/test/trigger1.test @@ -0,0 +1,841 @@ +# 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. +# +#*********************************************************************** +# +# This file tests creating and dropping triggers, and interaction thereof +# with the database COMMIT/ROLLBACK logic. +# +# 1. CREATE and DROP TRIGGER tests +# trigger1-1.1: Error if table does not exist +# trigger1-1.2: Error if trigger already exists +# trigger1-1.3: Created triggers are deleted if the transaction is rolled back +# trigger1-1.4: DROP TRIGGER removes trigger +# trigger1-1.5: Dropped triggers are restored if the transaction is rolled back +# trigger1-1.6: Error if dropped trigger doesn't exist +# trigger1-1.7: Dropping the table automatically drops all triggers +# trigger1-1.8: A trigger created on a TEMP table is not inserted into sqlite_master +# trigger1-1.9: Ensure that we cannot create a trigger on sqlite_master +# trigger1-1.10: +# trigger1-1.11: +# trigger1-1.12: Ensure that INSTEAD OF triggers cannot be created on tables +# trigger1-1.13: Ensure that AFTER triggers cannot be created on views +# trigger1-1.14: Ensure that BEFORE triggers cannot be created on views +# + +set testdir [file dirname $argv0] +source $testdir/tester.tcl +ifcapable !trigger||!compound { + finish_test + return +} + +do_test trigger1-1.1.1 { + catchsql { + CREATE TRIGGER trig UPDATE ON no_such_table BEGIN + SELECT * from sqlite_master; + END; + } +} {1 {no such table: main.no_such_table}} + +ifcapable tempdb { + do_test trigger1-1.1.2 { + catchsql { + CREATE TEMP TRIGGER trig UPDATE ON no_such_table BEGIN + SELECT * from sqlite_master; + END; + } + } {1 {no such table: no_such_table}} +} + +execsql { + CREATE TABLE t1(a); +} +do_test trigger1-1.1.3 { + catchsql { + CREATE TRIGGER trig UPDATE ON t1 FOR EACH STATEMENT BEGIN + SELECT * FROM sqlite_master; + END; + } +} {1 {near "STATEMENT": syntax error}} +execsql { + CREATE TRIGGER tr1 INSERT ON t1 BEGIN + INSERT INTO t1 values(1); + END; +} +do_test trigger1-1.2.0 { + catchsql { + CREATE TRIGGER IF NOT EXISTS tr1 DELETE ON t1 BEGIN + SELECT * FROM sqlite_master; + END + } +} {0 {}} +do_test trigger1-1.2.1 { + catchsql { + CREATE TRIGGER tr1 DELETE ON t1 BEGIN + SELECT * FROM sqlite_master; + END + } +} {1 {trigger tr1 already exists}} +do_test trigger1-1.2.2 { + catchsql { + CREATE TRIGGER "tr1" DELETE ON t1 BEGIN + SELECT * FROM sqlite_master; + END + } +} {1 {trigger "tr1" already exists}} +do_test trigger1-1.2.3 { + catchsql { + CREATE TRIGGER [tr1] DELETE ON t1 BEGIN + SELECT * FROM sqlite_master; + END + } +} {1 {trigger [tr1] already exists}} + +do_test trigger1-1.3 { + catchsql { + BEGIN; + CREATE TRIGGER tr2 INSERT ON t1 BEGIN + SELECT * from sqlite_master; END; + ROLLBACK; + CREATE TRIGGER tr2 INSERT ON t1 BEGIN + SELECT * from sqlite_master; END; + } +} {0 {}} + +do_test trigger1-1.4 { + catchsql { + DROP TRIGGER IF EXISTS tr1; + CREATE TRIGGER tr1 DELETE ON t1 BEGIN + SELECT * FROM sqlite_master; + END + } +} {0 {}} + +do_test trigger1-1.5 { + execsql { + BEGIN; + DROP TRIGGER tr2; + ROLLBACK; + DROP TRIGGER tr2; + } +} {} + +do_test trigger1-1.6.1 { + catchsql { + DROP TRIGGER IF EXISTS biggles; + } +} {0 {}} + +do_test trigger1-1.6.2 { + catchsql { + DROP TRIGGER biggles; + } +} {1 {no such trigger: biggles}} + +do_test trigger1-1.7 { + catchsql { + DROP TABLE t1; + DROP TRIGGER tr1; + } +} {1 {no such trigger: tr1}} + +ifcapable tempdb { + execsql { + CREATE TEMP TABLE temp_table(a); + } + do_test trigger1-1.8 { + execsql { + CREATE TRIGGER temp_trig UPDATE ON temp_table BEGIN + SELECT * from sqlite_master; + END; + SELECT count(*) FROM sqlite_master WHERE name = 'temp_trig'; + } + } {0} +} + +do_test trigger1-1.9 { + catchsql { + CREATE TRIGGER tr1 AFTER UPDATE ON sqlite_master BEGIN + SELECT * FROM sqlite_master; + END; + } +} {1 {cannot create trigger on system table}} + +# Check to make sure that a DELETE statement within the body of +# a trigger does not mess up the DELETE that caused the trigger to +# run in the first place. +# +do_test trigger1-1.10 { + execsql { + create table t1(a,b); + insert into t1 values(1,'a'); + insert into t1 values(2,'b'); + insert into t1 values(3,'c'); + insert into t1 values(4,'d'); + create trigger r1 after delete on t1 for each row begin + delete from t1 WHERE a=old.a+2; + end; + delete from t1 where a=1 OR a=3; + select * from t1; + drop table t1; + } +} {2 b 4 d} + +do_test trigger1-1.11 { + execsql { + create table t1(a,b); + insert into t1 values(1,'a'); + insert into t1 values(2,'b'); + insert into t1 values(3,'c'); + insert into t1 values(4,'d'); + create trigger r1 after update on t1 for each row begin + delete from t1 WHERE a=old.a+2; + end; + update t1 set b='x-' || b where a=1 OR a=3; + select * from t1; + drop table t1; + } +} {1 x-a 2 b 4 d} + +# Ensure that we cannot create INSTEAD OF triggers on tables +do_test trigger1-1.12 { + catchsql { + create table t1(a,b); + create trigger t1t instead of update on t1 for each row begin + delete from t1 WHERE a=old.a+2; + end; + } +} {1 {cannot create INSTEAD OF trigger on table: t1}} + +ifcapable view { +# Ensure that we cannot create BEFORE triggers on views +do_test trigger1-1.13 { + catchsql { + create view v1 as select * from t1; + create trigger v1t before update on v1 for each row begin + delete from t1 WHERE a=old.a+2; + end; + } +} {1 {cannot create BEFORE trigger on view: v1}} +# Ensure that we cannot create AFTER triggers on views +do_test trigger1-1.14 { + catchsql { + drop view v1; + create view v1 as select * from t1; + create trigger v1t AFTER update on v1 for each row begin + delete from t1 WHERE a=old.a+2; + end; + } +} {1 {cannot create AFTER trigger on view: v1}} +} ;# ifcapable view + +# Check for memory leaks in the trigger parser +# +do_test trigger1-2.1 { + catchsql { + CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN + SELECT * FROM; -- Syntax error + END; + } +} {1 {near ";": syntax error}} +do_test trigger1-2.2 { + catchsql { + CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN + SELECT * FROM t1; + SELECT * FROM; -- Syntax error + END; + } +} {1 {near ";": syntax error}} + +# Create a trigger that refers to a table that might not exist. +# +ifcapable tempdb { + do_test trigger1-3.1 { + execsql { + CREATE TEMP TABLE t2(x,y); + } + catchsql { + CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN + INSERT INTO t2 VALUES(NEW.a,NEW.b); + END; + } + } {0 {}} + do_test trigger1-3.2 { + catchsql { + INSERT INTO t1 VALUES(1,2); + SELECT * FROM t2; + } + } {1 {no such table: main.t2}} + do_test trigger1-3.3 { + db close + set rc [catch {sqlite3 db test.db} err] + if {$rc} {lappend rc $err} + set rc + } {0} + do_test trigger1-3.4 { + catchsql { + INSERT INTO t1 VALUES(1,2); + SELECT * FROM t2; + } + } {1 {no such table: main.t2}} + do_test trigger1-3.5 { + catchsql { + CREATE TEMP TABLE t2(x,y); + INSERT INTO t1 VALUES(1,2); + SELECT * FROM t2; + } + } {1 {no such table: main.t2}} + do_test trigger1-3.6.1 { + catchsql { + DROP TRIGGER r1; + CREATE TEMP TRIGGER r1 AFTER INSERT ON t1 BEGIN + INSERT INTO t2 VALUES(NEW.a,NEW.b), (NEW.b*100, NEW.a*100); + END; + INSERT INTO t1 VALUES(1,2); + SELECT * FROM t2; + } + } {0 {1 2 200 100}} + do_test trigger1-3.6.2 { + catchsql { + DROP TRIGGER r1; + DELETE FROM t1; + DELETE FROM t2; + CREATE TEMP TRIGGER r1 AFTER INSERT ON t1 BEGIN + INSERT INTO t2 VALUES(NEW.a,NEW.b); + END; + INSERT INTO t1 VALUES(1,2); + SELECT * FROM t2; + } + } {0 {1 2}} + do_test trigger1-3.7 { + execsql { + DROP TABLE t2; + CREATE TABLE t2(x,y); + SELECT * FROM t2; + } + } {} + + # There are two versions of trigger1-3.8 and trigger1-3.9. One that uses + # compound SELECT statements, and another that does not. + ifcapable compound { + do_test trigger1-3.8 { + execsql { + INSERT INTO t1 VALUES(3,4); + SELECT * FROM t1 UNION ALL SELECT * FROM t2; + } + } {1 2 3 4 3 4} + do_test trigger1-3.9 { + db close + sqlite3 db test.db + execsql { + INSERT INTO t1 VALUES(5,6); + SELECT * FROM t1 UNION ALL SELECT * FROM t2; + } + } {1 2 3 4 5 6 3 4} + } ;# ifcapable compound + ifcapable !compound { + do_test trigger1-3.8 { + execsql { + INSERT INTO t1 VALUES(3,4); + SELECT * FROM t1; + SELECT * FROM t2; + } + } {1 2 3 4 3 4} + do_test trigger1-3.9 { + db close + sqlite3 db test.db + execsql { + INSERT INTO t1 VALUES(5,6); + SELECT * FROM t1; + SELECT * FROM t2; + } + } {1 2 3 4 5 6 3 4} + } ;# ifcapable !compound + + do_test trigger1-4.1 { + execsql { + CREATE TEMP TRIGGER r1 BEFORE INSERT ON t1 BEGIN + INSERT INTO t2 VALUES(NEW.a,NEW.b); + END; + INSERT INTO t1 VALUES(7,8); + SELECT * FROM t2; + } + } {3 4 7 8} + do_test trigger1-4.2 { + sqlite3 db2 test.db + execsql { + INSERT INTO t1 VALUES(9,10); + } db2; + db2 close + execsql { + SELECT * FROM t2; + } + } {3 4 7 8} + do_test trigger1-4.3 { + execsql { + DROP TABLE t1; + SELECT * FROM t2; + }; + } {3 4 7 8} + do_test trigger1-4.4 { + db close + sqlite3 db test.db + execsql { + SELECT * FROM t2; + }; + } {3 4 7 8} +} else { + execsql { + CREATE TABLE t2(x,y); + DROP TABLE t1; + INSERT INTO t2 VALUES(3, 4); + INSERT INTO t2 VALUES(7, 8); + } +} + + +integrity_check trigger1-5.1 + +# Create a trigger with the same name as a table. Make sure the +# trigger works. Then drop the trigger. Make sure the table is +# still there. +# +set view_v1 {} +ifcapable view { + set view_v1 {view v1} +} +do_test trigger1-6.1 { + execsql {SELECT type, name FROM sqlite_master} +} [concat $view_v1 {table t2}] +do_test trigger1-6.2 { + execsql { + CREATE TRIGGER t2 BEFORE DELETE ON t2 BEGIN + SELECT RAISE(ABORT,'deletes are not permitted'); + END; + SELECT type, name FROM sqlite_master; + } +} [concat $view_v1 {table t2 trigger t2}] +do_test trigger1-6.3 { + catchsql {DELETE FROM t2} +} {1 {deletes are not permitted}} +verify_ex_errcode trigger1-6.3b SQLITE_CONSTRAINT_TRIGGER +do_test trigger1-6.4 { + execsql {SELECT * FROM t2} +} {3 4 7 8} +do_test trigger1-6.5 { + db close + sqlite3 db test.db + execsql {SELECT type, name FROM sqlite_master} +} [concat $view_v1 {table t2 trigger t2}] +do_test trigger1-6.6 { + execsql { + DROP TRIGGER t2; + SELECT type, name FROM sqlite_master; + } +} [concat $view_v1 {table t2}] +do_test trigger1-6.7 { + execsql {SELECT * FROM t2} +} {3 4 7 8} +do_test trigger1-6.8 { + db close + sqlite3 db test.db + execsql {SELECT * FROM t2} +} {3 4 7 8} + +integrity_check trigger1-7.1 + +# Check to make sure the name of a trigger can be quoted so that keywords +# can be used as trigger names. Ticket #468 +# +do_test trigger1-8.1 { + execsql { + CREATE TRIGGER 'trigger' AFTER INSERT ON t2 BEGIN SELECT 1; END; + SELECT name FROM sqlite_master WHERE type='trigger'; + } +} {trigger} +do_test trigger1-8.2 { + execsql { + DROP TRIGGER 'trigger'; + SELECT name FROM sqlite_master WHERE type='trigger'; + } +} {} +do_test trigger1-8.3 { + execsql { + CREATE TRIGGER "trigger" AFTER INSERT ON t2 BEGIN SELECT 1; END; + SELECT name FROM sqlite_master WHERE type='trigger'; + } +} {trigger} +do_test trigger1-8.4 { + execsql { + DROP TRIGGER "trigger"; + SELECT name FROM sqlite_master WHERE type='trigger'; + } +} {} +do_test trigger1-8.5 { + execsql { + CREATE TRIGGER [trigger] AFTER INSERT ON t2 BEGIN SELECT 1; END; + SELECT name FROM sqlite_master WHERE type='trigger'; + } +} {trigger} +do_test trigger1-8.6 { + execsql { + DROP TRIGGER [trigger]; + SELECT name FROM sqlite_master WHERE type='trigger'; + } +} {} + +ifcapable conflict { + # Make sure REPLACE works inside of triggers. + # + # There are two versions of trigger1-9.1 and trigger1-9.2. One that uses + # compound SELECT statements, and another that does not. + ifcapable compound { + do_test trigger1-9.1 { + execsql { + CREATE TABLE t3(a,b); + CREATE TABLE t4(x UNIQUE, b); + CREATE TRIGGER r34 AFTER INSERT ON t3 BEGIN + REPLACE INTO t4 VALUES(new.a,new.b); + END; + INSERT INTO t3 VALUES(1,2); + SELECT * FROM t3 UNION ALL SELECT 99, 99 UNION ALL SELECT * FROM t4; + } + } {1 2 99 99 1 2} + do_test trigger1-9.2 { + execsql { + INSERT INTO t3 VALUES(1,3); + SELECT * FROM t3 UNION ALL SELECT 99, 99 UNION ALL SELECT * FROM t4; + } + } {1 2 1 3 99 99 1 3} + } else { + do_test trigger1-9.1 { + execsql { + CREATE TABLE t3(a,b); + CREATE TABLE t4(x UNIQUE, b); + CREATE TRIGGER r34 AFTER INSERT ON t3 BEGIN + REPLACE INTO t4 VALUES(new.a,new.b); + END; + INSERT INTO t3 VALUES(1,2); + SELECT * FROM t3; SELECT 99, 99; SELECT * FROM t4; + } + } {1 2 99 99 1 2} + do_test trigger1-9.2 { + execsql { + INSERT INTO t3 VALUES(1,3); + SELECT * FROM t3; SELECT 99, 99; SELECT * FROM t4; + } + } {1 2 1 3 99 99 1 3} + } + execsql { + DROP TABLE t3; + DROP TABLE t4; + } +} + + +# Ticket #764. At one stage TEMP triggers would fail to re-install when the +# schema was reloaded. The following tests ensure that TEMP triggers are +# correctly re-installed. +# +# Also verify that references within trigger programs are resolved at +# statement compile time, not trigger installation time. This means, for +# example, that you can drop and re-create tables referenced by triggers. +ifcapable tempdb&&attach { + do_test trigger1-10.0 { + forcedelete test2.db + forcedelete test2.db-journal + execsql { + ATTACH 'test2.db' AS aux; + } + } {} + do_test trigger1-10.1 { + execsql { + CREATE TABLE main.t4(a, b, c); + CREATE TABLE temp.t4(a, b, c); + CREATE TABLE aux.t4(a, b, c); + CREATE TABLE insert_log(db, a, b, c); + } + } {} + do_test trigger1-10.2 { + execsql { + CREATE TEMP TRIGGER trig1 AFTER INSERT ON main.t4 BEGIN + INSERT INTO insert_log VALUES('main', new.a, new.b, new.c); + END; + CREATE TEMP TRIGGER trig2 AFTER INSERT ON temp.t4 BEGIN + INSERT INTO insert_log VALUES('temp', new.a, new.b, new.c); + END; + CREATE TEMP TRIGGER trig3 AFTER INSERT ON aux.t4 BEGIN + INSERT INTO insert_log VALUES('aux', new.a, new.b, new.c); + END; + } + } {} + do_test trigger1-10.3 { + execsql { + INSERT INTO main.t4 VALUES(1, 2, 3); + INSERT INTO temp.t4 VALUES(4, 5, 6); + INSERT INTO aux.t4 VALUES(7, 8, 9); + } + } {} + do_test trigger1-10.4 { + execsql { + SELECT * FROM insert_log; + } + } {main 1 2 3 temp 4 5 6 aux 7 8 9} + do_test trigger1-10.5 { + execsql { + BEGIN; + INSERT INTO main.t4 VALUES(1, 2, 3); + INSERT INTO temp.t4 VALUES(4, 5, 6); + INSERT INTO aux.t4 VALUES(7, 8, 9); + ROLLBACK; + } + } {} + do_test trigger1-10.6 { + execsql { + SELECT * FROM insert_log; + } + } {main 1 2 3 temp 4 5 6 aux 7 8 9} + do_test trigger1-10.7 { + execsql { + DELETE FROM insert_log; + INSERT INTO main.t4 VALUES(11, 12, 13); + INSERT INTO temp.t4 VALUES(14, 15, 16); + INSERT INTO aux.t4 VALUES(17, 18, 19); + } + } {} + do_test trigger1-10.8 { + execsql { + SELECT * FROM insert_log; + } + } {main 11 12 13 temp 14 15 16 aux 17 18 19} + do_test trigger1-10.9 { + # Drop and re-create the insert_log table in a different database. Note + # that we can change the column names because the trigger programs don't + # use them explicitly. + execsql { + DROP TABLE insert_log; + CREATE TABLE aux.insert_log(db, d, e, f); + } + } {} + do_test trigger1-10.10 { + execsql { + INSERT INTO main.t4 VALUES(21, 22, 23); + INSERT INTO temp.t4 VALUES(24, 25, 26); + INSERT INTO aux.t4 VALUES(27, 28, 29); + } + } {} + do_test trigger1-10.11 { + execsql { + SELECT * FROM insert_log; + } + } {main 21 22 23 temp 24 25 26 aux 27 28 29} +} + +do_test trigger1-11.1 { + catchsql {SELECT raise(abort,'message');} +} {1 {RAISE() may only be used within a trigger-program}} + +do_test trigger1-15.1 { + execsql { + CREATE TABLE tA(a INTEGER PRIMARY KEY, b, c); + CREATE TRIGGER tA_trigger BEFORE UPDATE ON "tA" BEGIN SELECT 1; END; + INSERT INTO tA VALUES(1, 2, 3); + } + catchsql { UPDATE tA SET a = 'abc' } +} {1 {datatype mismatch}} +do_test trigger1-15.2 { + catchsql { INSERT INTO tA VALUES('abc', 2, 3) } +} {1 {datatype mismatch}} + +# Ticket #3947: Do not allow qualified table names on INSERT, UPDATE, and +# DELETE statements within triggers. Actually, this has never been allowed +# by the grammar. But the error message is confusing: one simply gets a +# "syntax error". That has now been changed to give a full error message. +# +do_test trigger1-16.1 { + db eval { + CREATE TABLE t16(a,b,c); + CREATE INDEX t16a ON t16(a); + CREATE INDEX t16b ON t16(b); + } + catchsql { + CREATE TRIGGER main.t16err1 AFTER INSERT ON tA BEGIN + INSERT INTO main.t16 VALUES(1,2,3); + END; + } +} {1 {qualified table names are not allowed on INSERT, UPDATE, and DELETE statements within triggers}} +do_test trigger1-16.2 { + catchsql { + CREATE TRIGGER main.t16err2 AFTER INSERT ON tA BEGIN + UPDATE main.t16 SET rowid=rowid+1; + END; + } +} {1 {qualified table names are not allowed on INSERT, UPDATE, and DELETE statements within triggers}} +do_test trigger1-16.3 { + catchsql { + CREATE TRIGGER main.t16err3 AFTER INSERT ON tA BEGIN + DELETE FROM main.t16; + END; + } +} {1 {qualified table names are not allowed on INSERT, UPDATE, and DELETE statements within triggers}} +do_test trigger1-16.4 { + catchsql { + CREATE TRIGGER main.t16err4 AFTER INSERT ON tA BEGIN + UPDATE t16 NOT INDEXED SET rowid=rowid+1; + END; + } +} {1 {the NOT INDEXED clause is not allowed on UPDATE or DELETE statements within triggers}} +do_test trigger1-16.5 { + catchsql { + CREATE TRIGGER main.t16err5 AFTER INSERT ON tA BEGIN + UPDATE t16 INDEXED BY t16a SET rowid=rowid+1 WHERE a=1; + END; + } +} {1 {the INDEXED BY clause is not allowed on UPDATE or DELETE statements within triggers}} +do_test trigger1-16.6 { + catchsql { + CREATE TRIGGER main.t16err6 AFTER INSERT ON tA BEGIN + DELETE FROM t16 NOT INDEXED WHERE a=123; + END; + } +} {1 {the NOT INDEXED clause is not allowed on UPDATE or DELETE statements within triggers}} +do_test trigger1-16.7 { + catchsql { + CREATE TRIGGER main.t16err7 AFTER INSERT ON tA BEGIN + DELETE FROM t16 INDEXED BY t16a WHERE a=123; + END; + } +} {1 {the INDEXED BY clause is not allowed on UPDATE or DELETE statements within triggers}} + +#------------------------------------------------------------------------- +# Test that bug [34cd55d68e0e6e7c] has been fixed. +# +do_execsql_test trigger1-17.0 { + CREATE TABLE t17a(ii INT); + CREATE TABLE t17b(tt TEXT PRIMARY KEY, ss); + CREATE TRIGGER t17a_ai AFTER INSERT ON t17a BEGIN + INSERT INTO t17b(tt) VALUES(new.ii); + END; + CREATE TRIGGER t17b_ai AFTER INSERT ON t17b BEGIN + UPDATE t17b SET ss = 4; + END; + INSERT INTO t17a(ii) VALUES('1'); + PRAGMA integrity_check; +} {ok} + +# 2018-04-26 +# When a BEFORE UPDATE trigger changes a column value in a row being +# updated, and that column value is used by the UPDATE to change other +# column, the value used to compute the update is from before the trigger. +# In the example that follows, the value of "b" in "c=b" is 2 (the value +# prior to running the BEFORE UPDATE trigger) not 1000. +# +do_execsql_test trigger1-18.0 { + CREATE TABLE t18(a PRIMARY KEY,b,c); + INSERT INTO t18(a,b,c) VALUES(1,2,3); + CREATE TRIGGER t18r1 BEFORE UPDATE ON t18 BEGIN + UPDATE t18 SET b=1000 WHERE a=old.a; + END; + UPDATE t18 SET c=b WHERE a=1; + SELECT * FROM t18; +} {1 1000 2} ;# Not: 1 1000 1000 +do_execsql_test trigger1-18.1 { + DELETE FROM t18; + INSERT INTO t18(a,b,c) VALUES(1,2,3); + UPDATE t18 SET c=b, b=b+1 WHERE a=1; + SELECT * FROM t18; +} {1 3 2} ;# Not: 1 1001 1000 + +# 2018-04-26 ticket [https://www.sqlite.org/src/tktview/d85fffd6ffe856092e] +# VDBE Program uses an expired value. +# +do_execsql_test trigger1-19.0 { + CREATE TABLE t19(a INT PRIMARY KEY, b, c)WITHOUT ROWID; + INSERT INTO t19(a,b,c) VALUES(1,2,3); + CREATE TRIGGER t19r3 BEFORE UPDATE ON t19 BEGIN SELECT new.b; END; + UPDATE t19 SET c=b WHERE a=1; + SELECT * FROM t19; +} {1 2 2} +do_execsql_test trigger1-19.1 { + DELETE FROM t19; + INSERT INTO t19(a,b,c) VALUES(1,2,3); + UPDATE t19 SET c=CASE WHEN b=2 THEN b ELSE b+99 END WHERE a=1; + SELECT * FROM t19; +} {1 2 2} + +# 2019-08-26 Chromium sqlite3_fts3_lpm_fuzzer find. +# +db close +sqlite3 db :memory: +do_execsql_test trigger1-20.1 { + CREATE TABLE t20_1(x); + ATTACH ':memory:' AS aux; + CREATE TABLE aux.t20_2(y); + CREATE TABLE aux.t20_3(z); + CREATE TEMP TRIGGER r20_3 AFTER INSERT ON t20_2 BEGIN UPDATE t20_3 SET z=z+1; END; + DETACH aux; + DROP TRIGGER r20_3; +} {} + +# 2019-10-24 ticket 50c09fc2cf0d91ce +# +db close +sqlite3 db :memory: +do_execsql_test trigger1-21.1 { + PRAGMA recursive_triggers = true; + CREATE TABLE t0(a, b, c UNIQUE); + CREATE UNIQUE INDEX i0 ON t0(b) WHERE a; + CREATE TRIGGER tr0 AFTER DELETE ON t0 BEGIN + DELETE FROM t0; + END; + INSERT INTO t0(a,b,c) VALUES(0,0,9),(1,1,1); + REPLACE INTO t0(a,b,c) VALUES(2,0,9); + SELECT * FROM t0; +} {2 0 9} + +# 2020-01-04 From Yongheng +# The test case below caused problems for the register validity +# tracking logic. There was no bug in the release build. The +# only problem was a false-positive in the register validity +# tracking. +# +reset_db +do_execsql_test trigger1-22.10 { + CREATE TABLE t1( + a INTEGER PRIMARY KEY, + b DOUBLE + ); + CREATE TRIGGER x AFTER UPDATE ON t1 BEGIN + SELECT sum(b)OVER(ORDER BY (SELECT b FROM t1 AS x + WHERE b IN (t1.a,127,t1.b) + GROUP BY b)) + FROM t1 + GROUP BY a; + END; + CREATE TEMP TRIGGER x BEFORE INSERT ON t1 BEGIN + UPDATE t1 + SET b=randomblob(10) + WHERE b >= 'E' + AND a < (SELECT a FROM t1 WHERE a<22 GROUP BY b); + END; + INSERT INTO t1(b) VALUES('Y'),('X'),('Z'); + SELECT a, CASE WHEN typeof(b)='text' THEN quote(b) ELSE '<blob>' END, '|' FROM t1; +} {1 <blob> | 2 'X' | 3 'Z' |} + +# 2022-03-06 https://sqlite.org/forum/forumpost/2024e94071 +# Harmless assertion fault following a syntax error. +# +reset_db +do_catchsql_test trigger1-23.1 { + CREATE TABLE t1(a INT); + CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN + INSERT INTO t1 SELECT e_master LIMIT 1,#1; + END; +} {1 {near "#1": syntax error}} + +finish_test |