/trunk/test/lastinsert.test |
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# 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. |
# |
#*********************************************************************** |
# |
# Tests to make sure that value returned by last_insert_rowid() (LIRID) |
# is updated properly, especially inside triggers |
# |
# Note 1: insert into table is now the only statement which changes LIRID |
# Note 2: upon entry into before or instead of triggers, |
# LIRID is unchanged (rather than -1) |
# Note 3: LIRID is changed within the context of a trigger, |
# but is restored once the trigger exits |
# Note 4: LIRID is not changed by an insert into a view (since everything |
# is done within instead of trigger context) |
# |
|
set testdir [file dirname $argv0] |
source $testdir/tester.tcl |
|
# ---------------------------------------------------------------------------- |
# 1.x - basic tests (no triggers) |
|
# LIRID changed properly after an insert into a table |
do_test lastinsert-1.1 { |
catchsql { |
create table t1 (k integer primary key); |
insert into t1 values (1); |
insert into t1 values (NULL); |
insert into t1 values (NULL); |
select last_insert_rowid(); |
} |
} {0 3} |
|
# LIRID unchanged after an update on a table |
do_test lastinsert-1.2 { |
catchsql { |
update t1 set k=4 where k=2; |
select last_insert_rowid(); |
} |
} {0 3} |
|
# LIRID unchanged after a delete from a table |
do_test lastinsert-1.3 { |
catchsql { |
delete from t1 where k=4; |
select last_insert_rowid(); |
} |
} {0 3} |
|
# LIRID unchanged after create table/view statements |
do_test lastinsert-1.4.1 { |
catchsql { |
create table t2 (k integer primary key, val1, val2, val3); |
select last_insert_rowid(); |
} |
} {0 3} |
ifcapable view { |
do_test lastinsert-1.4.2 { |
catchsql { |
create view v as select * from t1; |
select last_insert_rowid(); |
} |
} {0 3} |
} ;# ifcapable view |
|
# All remaining tests involve triggers. Skip them if triggers are not |
# supported in this build. |
# |
ifcapable {!trigger} { |
finish_test |
return |
} |
|
# ---------------------------------------------------------------------------- |
# 2.x - tests with after insert trigger |
|
# LIRID changed properly after an insert into table containing an after trigger |
do_test lastinsert-2.1 { |
catchsql { |
delete from t2; |
create trigger r1 after insert on t1 for each row begin |
insert into t2 values (NEW.k*2, last_insert_rowid(), NULL, NULL); |
update t2 set k=k+10, val2=100+last_insert_rowid(); |
update t2 set val3=1000+last_insert_rowid(); |
end; |
insert into t1 values (13); |
select last_insert_rowid(); |
} |
} {0 13} |
|
# LIRID equals NEW.k upon entry into after insert trigger |
do_test lastinsert-2.2 { |
catchsql { |
select val1 from t2; |
} |
} {0 13} |
|
# LIRID changed properly by insert within context of after insert trigger |
do_test lastinsert-2.3 { |
catchsql { |
select val2 from t2; |
} |
} {0 126} |
|
# LIRID unchanged by update within context of after insert trigger |
do_test lastinsert-2.4 { |
catchsql { |
select val3 from t2; |
} |
} {0 1026} |
|
# ---------------------------------------------------------------------------- |
# 3.x - tests with after update trigger |
|
# LIRID not changed after an update onto a table containing an after trigger |
do_test lastinsert-3.1 { |
catchsql { |
delete from t2; |
drop trigger r1; |
create trigger r1 after update on t1 for each row begin |
insert into t2 values (NEW.k*2, last_insert_rowid(), NULL, NULL); |
update t2 set k=k+10, val2=100+last_insert_rowid(); |
update t2 set val3=1000+last_insert_rowid(); |
end; |
update t1 set k=14 where k=3; |
select last_insert_rowid(); |
} |
} {0 13} |
|
# LIRID unchanged upon entry into after update trigger |
do_test lastinsert-3.2 { |
catchsql { |
select val1 from t2; |
} |
} {0 13} |
|
# LIRID changed properly by insert within context of after update trigger |
do_test lastinsert-3.3 { |
catchsql { |
select val2 from t2; |
} |
} {0 128} |
|
# LIRID unchanged by update within context of after update trigger |
do_test lastinsert-3.4 { |
catchsql { |
select val3 from t2; |
} |
} {0 1028} |
|
# ---------------------------------------------------------------------------- |
# 4.x - tests with instead of insert trigger |
# These may not be run if either views or triggers were disabled at |
# compile-time |
|
ifcapable {view && trigger} { |
# LIRID not changed after an insert into view containing an instead of trigger |
do_test lastinsert-4.1 { |
catchsql { |
delete from t2; |
drop trigger r1; |
create trigger r1 instead of insert on v for each row begin |
insert into t2 values (NEW.k*2, last_insert_rowid(), NULL, NULL); |
update t2 set k=k+10, val2=100+last_insert_rowid(); |
update t2 set val3=1000+last_insert_rowid(); |
end; |
insert into v values (15); |
select last_insert_rowid(); |
} |
} {0 13} |
|
# LIRID unchanged upon entry into instead of trigger |
do_test lastinsert-4.2 { |
catchsql { |
select val1 from t2; |
} |
} {0 13} |
|
# LIRID changed properly by insert within context of instead of trigger |
do_test lastinsert-4.3 { |
catchsql { |
select val2 from t2; |
} |
} {0 130} |
|
# LIRID unchanged by update within context of instead of trigger |
do_test lastinsert-4.4 { |
catchsql { |
select val3 from t2; |
} |
} {0 1030} |
} ;# ifcapable (view && trigger) |
|
# ---------------------------------------------------------------------------- |
# 5.x - tests with before delete trigger |
|
# LIRID not changed after a delete on a table containing a before trigger |
do_test lastinsert-5.1 { |
catchsql { |
drop trigger r1; -- This was not created if views are disabled. |
} |
catchsql { |
delete from t2; |
create trigger r1 before delete on t1 for each row begin |
insert into t2 values (77, last_insert_rowid(), NULL, NULL); |
update t2 set k=k+10, val2=100+last_insert_rowid(); |
update t2 set val3=1000+last_insert_rowid(); |
end; |
delete from t1 where k=1; |
select last_insert_rowid(); |
} |
} {0 13} |
|
# LIRID unchanged upon entry into delete trigger |
do_test lastinsert-5.2 { |
catchsql { |
select val1 from t2; |
} |
} {0 13} |
|
# LIRID changed properly by insert within context of delete trigger |
do_test lastinsert-5.3 { |
catchsql { |
select val2 from t2; |
} |
} {0 177} |
|
# LIRID unchanged by update within context of delete trigger |
do_test lastinsert-5.4 { |
catchsql { |
select val3 from t2; |
} |
} {0 1077} |
|
# ---------------------------------------------------------------------------- |
# 6.x - tests with instead of update trigger |
# These tests may not run if either views or triggers are disabled. |
|
ifcapable {view && trigger} { |
# LIRID not changed after an update on a view containing an instead of trigger |
do_test lastinsert-6.1 { |
catchsql { |
delete from t2; |
drop trigger r1; |
create trigger r1 instead of update on v for each row begin |
insert into t2 values (NEW.k*2, last_insert_rowid(), NULL, NULL); |
update t2 set k=k+10, val2=100+last_insert_rowid(); |
update t2 set val3=1000+last_insert_rowid(); |
end; |
update v set k=16 where k=14; |
select last_insert_rowid(); |
} |
} {0 13} |
|
# LIRID unchanged upon entry into instead of trigger |
do_test lastinsert-6.2 { |
catchsql { |
select val1 from t2; |
} |
} {0 13} |
|
# LIRID changed properly by insert within context of instead of trigger |
do_test lastinsert-6.3 { |
catchsql { |
select val2 from t2; |
} |
} {0 132} |
|
# LIRID unchanged by update within context of instead of trigger |
do_test lastinsert-6.4 { |
catchsql { |
select val3 from t2; |
} |
} {0 1032} |
} ;# ifcapable (view && trigger) |
|
# ---------------------------------------------------------------------------- |
# 7.x - complex tests with temporary tables and nested instead of triggers |
# These do not run if views or triggers are disabled. |
|
ifcapable {trigger && view && tempdb} { |
do_test lastinsert-7.1 { |
catchsql { |
drop table t1; drop table t2; drop trigger r1; |
create temp table t1 (k integer primary key); |
create temp table t2 (k integer primary key); |
create temp view v1 as select * from t1; |
create temp view v2 as select * from t2; |
create temp table rid (k integer primary key, rin, rout); |
insert into rid values (1, NULL, NULL); |
insert into rid values (2, NULL, NULL); |
create temp trigger r1 instead of insert on v1 for each row begin |
update rid set rin=last_insert_rowid() where k=1; |
insert into t1 values (100+NEW.k); |
insert into v2 values (100+last_insert_rowid()); |
update rid set rout=last_insert_rowid() where k=1; |
end; |
create temp trigger r2 instead of insert on v2 for each row begin |
update rid set rin=last_insert_rowid() where k=2; |
insert into t2 values (1000+NEW.k); |
update rid set rout=last_insert_rowid() where k=2; |
end; |
insert into t1 values (77); |
select last_insert_rowid(); |
} |
} {0 77} |
|
do_test lastinsert-7.2 { |
catchsql { |
insert into v1 values (5); |
select last_insert_rowid(); |
} |
} {0 77} |
|
do_test lastinsert-7.3 { |
catchsql { |
select rin from rid where k=1; |
} |
} {0 77} |
|
do_test lastinsert-7.4 { |
catchsql { |
select rout from rid where k=1; |
} |
} {0 105} |
|
do_test lastinsert-7.5 { |
catchsql { |
select rin from rid where k=2; |
} |
} {0 105} |
|
do_test lastinsert-7.6 { |
catchsql { |
select rout from rid where k=2; |
} |
} {0 1205} |
|
do_test lastinsert-8.1 { |
db close |
sqlite3 db test.db |
execsql { |
CREATE TABLE t2(x INTEGER PRIMARY KEY, y); |
CREATE TABLE t3(a, b); |
CREATE TRIGGER after_t2 AFTER INSERT ON t2 BEGIN |
INSERT INTO t3 VALUES(new.x, new.y); |
END; |
INSERT INTO t2 VALUES(5000000000, 1); |
SELECT last_insert_rowid(); |
} |
} 5000000000 |
|
do_test lastinsert-9.1 { |
db eval {INSERT INTO t2 VALUES(123456789012345,0)} |
db last_insert_rowid |
} {123456789012345} |
|
|
} ;# ifcapable (view && trigger) |
|
finish_test |