sqlite/test/upfrom4.test
drh 26c4df0fb0 Correct handling of outer joins in the FROM clause of an UPDATE statement
that occurs inside of a trigger.  Follow-on to [98b3816bbaf539ea].

FossilOrigin-Name: 664a49fa813144b6fa5a7ae3f65af5412f150dd5def261c4d581d706b39f7846
2022-05-26 17:33:42 +00:00

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# 2022-05-24
#
# 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
set testprefix upfrom4
do_execsql_test 100 {
DROP TABLE IF EXISTS t5;
DROP TABLE IF EXISTS m1;
DROP TABLE IF EXISTS m2;
CREATE TABLE t5(a INTEGER PRIMARY KEY, b TEXT, c TEXT);
CREATE TABLE m1(x INTEGER PRIMARY KEY, y TEXT);
CREATE TABLE m2(u INTEGER PRIMARY KEY, v TEXT);
INSERT INTO t5 VALUES(1, 'one', 'ONE');
INSERT INTO t5 VALUES(2, 'two', 'TWO');
INSERT INTO t5 VALUES(3, 'three', 'THREE');
INSERT INTO t5 VALUES(4, 'four', 'FOUR');
INSERT INTO m1 VALUES(1, 'i');
INSERT INTO m1 VALUES(2, 'ii');
INSERT INTO m1 VALUES(3, 'iii');
INSERT INTO m2 VALUES(1, 'I');
INSERT INTO m2 VALUES(3, 'II');
INSERT INTO m2 VALUES(4, 'III');
SELECT * FROM t5;
} {1 one ONE 2 two TWO 3 three THREE 4 four FOUR}
do_execsql_test 110 {
BEGIN;
UPDATE t5 SET b=y, c=v FROM m1 LEFT JOIN m2 ON (x=u) WHERE x=a;
SELECT * FROM t5 ORDER BY a;
ROLLBACK;
} {1 i I 2 ii {} 3 iii II 4 four FOUR}
do_execsql_test 120 {
BEGIN;
UPDATE t5 SET b=y, c=v FROM m2 RIGHT JOIN m1 ON (x=u) WHERE x=a;
SELECT * FROM t5 ORDER BY a;
ROLLBACK;
} {1 i I 2 ii {} 3 iii II 4 four FOUR}
reset_db
db null -
do_execsql_test 200 {
CREATE TABLE t1(a INT PRIMARY KEY, b INT, c INT);
INSERT INTO t1(a) VALUES(1),(2),(8),(19);
CREATE TABLE c1(x INTEGER PRIMARY KEY, b INT);
INSERT INTO c1(x,b) VALUES(1,1),(8,8),(17,17),(NULL,NULL);
CREATE TABLE c2(x INT,c INT);
INSERT INTO c2(x,c) VALUES(2,2),(8,8),(NULL,NULL);
CREATE TABLE dual(dummy TEXT);
INSERT INTO dual VALUES('X');
} {}
do_execsql_test 210 {
BEGIN;
SELECT * FROM t1 ORDER BY a;
UPDATE t1 SET b=c1.b, c=c2.c
FROM dual, c1 NATURAL RIGHT JOIN c2
WHERE x=a;
SELECT * FROM t1 ORDER BY a;
ROLLBACK;
} {
1 - -
2 - -
8 - -
19 - -
1 - -
2 - 2
8 8 8
19 - -
}
do_execsql_test 300 {
CREATE TABLE t2(x);
CREATE TRIGGER AFTER INSERT ON t2 BEGIN
UPDATE t1 SET b=c1.b, c=c2.c
FROM dual, c1 NATURAL RIGHT JOIN c2
WHERE x=a;
END;
} {}
do_execsql_test 310 {
BEGIN;
SELECT * FROM t1 ORDER BY a;
INSERT INTO t2(x) VALUES(1);
SELECT * FROM t1 ORDER BY a;
ROLLBACK;
} {
1 - -
2 - -
8 - -
19 - -
1 - -
2 - 2
8 8 8
19 - -
}
# 2022-05-26 dbsqlfuzz crash-9401d6ba699f1257d352a657de236286bf2b14da
#
reset_db
db null -
do_execsql_test 400 {
CREATE TABLE t2(x,y,z PRIMARY KEY) WITHOUT ROWID;
INSERT INTO t2 VALUES(89,-89,6);
CREATE TABLE t1(a INT,b TEXT,c TEXT,d REAL) STRICT;
INSERT INTO t1 VALUES(1,'xyz','def',4.5);
CREATE TRIGGER t1tr BEFORE UPDATE ON t1 BEGIN
INSERT INTO t1(a,b) VALUES(1000,'uvw');
UPDATE t1 SET b=NULL FROM (SELECT CAST(a AS varchar) FROM t1 ORDER BY b) NATURAL LEFT FULL JOIN t1 AS text;
END;
UPDATE t1 SET b=b|100;
SELECT * FROM t1 ORDER BY a;
} {
1 100 def 4.5
1000 - - -
}
finish_test