mirror of https://github.com/sqlite/sqlite
121 lines
2.8 KiB
Plaintext
121 lines
2.8 KiB
Plaintext
|
# 2020 July 14
|
||
|
#
|
||
|
# 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
|
||
|
set testprefix triggerupfrom
|
||
|
|
||
|
do_execsql_test 1.0 {
|
||
|
CREATE TABLE map(k, v);
|
||
|
INSERT INTO map VALUES(1, 'one'), (2, 'two'), (3, 'three'), (4, 'four');
|
||
|
|
||
|
CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c);
|
||
|
|
||
|
CREATE TRIGGER tr AFTER INSERT ON t1 BEGIN
|
||
|
UPDATE t1 SET c = v FROM map WHERE k=new.a AND a=new.a;
|
||
|
END;
|
||
|
}
|
||
|
|
||
|
do_execsql_test 1.1 {
|
||
|
INSERT INTO t1(a) VALUES(1);
|
||
|
}
|
||
|
|
||
|
do_execsql_test 1.2 {
|
||
|
SELECT a, c FROM t1 ORDER BY a;
|
||
|
} {1 one}
|
||
|
|
||
|
do_execsql_test 1.3 {
|
||
|
INSERT INTO t1(a) VALUES(2), (3), (4), (5);
|
||
|
SELECT a, c FROM t1 ORDER BY a;
|
||
|
} {1 one 2 two 3 three 4 four 5 {}}
|
||
|
|
||
|
forcedelete test.db2
|
||
|
do_execsql_test 2.0 {
|
||
|
ATTACH 'test.db2' AS aux;
|
||
|
CREATE TABLE aux.t3(x, y);
|
||
|
INSERT INTO aux.t3 VALUES('x', 'y');
|
||
|
}
|
||
|
|
||
|
do_catchsql_test 2.1 {
|
||
|
CREATE TRIGGER tr2 AFTER INSERT ON t1 BEGIN
|
||
|
UPDATE t1 SET b = y FROM aux.t3 WHERE k=new.a;
|
||
|
END;
|
||
|
} {1 {trigger tr2 cannot reference objects in database aux}}
|
||
|
|
||
|
do_execsql_test 2.2 {
|
||
|
CREATE TEMP TRIGGER tr2 AFTER INSERT ON t1 BEGIN
|
||
|
UPDATE t1 SET b = y FROM aux.t3 WHERE a=new.a;
|
||
|
END;
|
||
|
INSERT INTO t1(a) VALUES(10), (20);
|
||
|
SELECT * FROM t1;
|
||
|
} {
|
||
|
1 {} one
|
||
|
2 {} two
|
||
|
3 {} three
|
||
|
4 {} four
|
||
|
5 {} {}
|
||
|
10 y {}
|
||
|
20 y {}
|
||
|
}
|
||
|
|
||
|
do_execsql_test 2.3 {
|
||
|
CREATE TABLE link(f, t);
|
||
|
INSERT INTO link VALUES(5, 2), (20, 10), (2, 1);
|
||
|
CREATE TRIGGER tr3 BEFORE DELETE ON t1 BEGIN
|
||
|
UPDATE t1 SET b=coalesce(old.b,old.c) FROM main.link WHERE a=t AND old.a=f;
|
||
|
END;
|
||
|
DELETE FROM t1 WHERE a=2;
|
||
|
SELECT * FROM t1;
|
||
|
} {
|
||
|
1 two one
|
||
|
3 {} three
|
||
|
4 {} four
|
||
|
5 {} {}
|
||
|
10 y {}
|
||
|
20 y {}
|
||
|
}
|
||
|
|
||
|
db close
|
||
|
sqlite3 db ""
|
||
|
do_catchsql_test 2.4 {
|
||
|
ATTACH 'test.db' AS yyy;
|
||
|
SELECT * FROM t1;
|
||
|
} {1 {malformed database schema (tr3) - trigger tr3 cannot reference objects in database main}}
|
||
|
|
||
|
#-------------------------------------------------------------------------
|
||
|
reset_db
|
||
|
forcedelete test.db2
|
||
|
do_execsql_test 3.0 {
|
||
|
CREATE TABLE mmm(x, y);
|
||
|
INSERT INTO mmm VALUES(1, 'one');
|
||
|
INSERT INTO mmm VALUES(2, 'two');
|
||
|
INSERT INTO mmm VALUES(3, 'three');
|
||
|
|
||
|
ATTACH 'test.db2' AS aux;
|
||
|
CREATE TABLE aux.t1(a, b);
|
||
|
CREATE TABLE aux.mmm(x, y);
|
||
|
INSERT INTO aux.mmm VALUES(1, 'ONE');
|
||
|
INSERT INTO aux.mmm VALUES(2, 'TWO');
|
||
|
INSERT INTO aux.mmm VALUES(3, 'THREE');
|
||
|
|
||
|
CREATE TRIGGER aux.ttt AFTER INSERT ON t1 BEGIN
|
||
|
UPDATE t1 SET b=y FROM mmm WHERE x=new.a AND a=new.a;
|
||
|
END;
|
||
|
|
||
|
INSERT INTO t1(a) VALUES (2);
|
||
|
SELECT * FROM t1;
|
||
|
} {2 TWO}
|
||
|
|
||
|
|
||
|
finish_test
|
||
|
|