154 lines
4.2 KiB
Plaintext
154 lines
4.2 KiB
Plaintext
# 2008 April 15
|
|
#
|
|
# 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 implements regression tests for SQLite library. Specifically,
|
|
# it tests updating tables with constraints within a trigger. Ticket #3055.
|
|
#
|
|
|
|
set testdir [file dirname $argv0]
|
|
source $testdir/tester.tcl
|
|
ifcapable {!trigger} {
|
|
finish_test
|
|
return
|
|
}
|
|
|
|
# Create test tables with constraints.
|
|
#
|
|
do_test triggerB-1.1 {
|
|
execsql {
|
|
CREATE TABLE x(x INTEGER PRIMARY KEY, y INT NOT NULL);
|
|
INSERT INTO x(y) VALUES(1);
|
|
INSERT INTO x(y) VALUES(1);
|
|
CREATE TEMP VIEW vx AS SELECT x, y, 0 AS yy FROM x;
|
|
CREATE TEMP TRIGGER tx INSTEAD OF UPDATE OF y ON vx
|
|
BEGIN
|
|
UPDATE x SET y = new.y WHERE x = new.x;
|
|
END;
|
|
SELECT * FROM vx;
|
|
}
|
|
} {1 1 0 2 1 0}
|
|
do_test triggerB-1.2 {
|
|
execsql {
|
|
UPDATE vx SET y = yy;
|
|
SELECT * FROM vx;
|
|
}
|
|
} {1 0 0 2 0 0}
|
|
|
|
# Added 2008-08-22:
|
|
#
|
|
# Name resolution within triggers.
|
|
#
|
|
do_test triggerB-2.1 {
|
|
catchsql {
|
|
CREATE TRIGGER ty AFTER INSERT ON x BEGIN
|
|
SELECT wen.x; -- Unrecognized name
|
|
END;
|
|
INSERT INTO x VALUES(1,2);
|
|
}
|
|
} {1 {no such column: wen.x}}
|
|
do_test triggerB-2.2 {
|
|
catchsql {
|
|
CREATE TRIGGER tz AFTER UPDATE ON x BEGIN
|
|
SELECT dlo.x; -- Unrecognized name
|
|
END;
|
|
UPDATE x SET y=y+1;
|
|
}
|
|
} {1 {no such column: dlo.x}}
|
|
|
|
do_test triggerB-2.3 {
|
|
execsql {
|
|
CREATE TABLE t2(a INTEGER PRIMARY KEY, b);
|
|
INSERT INTO t2 VALUES(1,2);
|
|
CREATE TABLE changes(x,y);
|
|
CREATE TRIGGER r1t2 AFTER UPDATE ON t2 BEGIN
|
|
INSERT INTO changes VALUES(new.a, new.b);
|
|
END;
|
|
}
|
|
execsql {
|
|
UPDATE t2 SET a=a+10;
|
|
SELECT * FROM changes;
|
|
}
|
|
} {11 2}
|
|
do_test triggerB-2.4 {
|
|
execsql {
|
|
CREATE TRIGGER r2t2 AFTER DELETE ON t2 BEGIN
|
|
INSERT INTO changes VALUES(old.a, old.c);
|
|
END;
|
|
}
|
|
catchsql {
|
|
DELETE FROM t2;
|
|
}
|
|
} {1 {no such column: old.c}}
|
|
|
|
# Triggers maintain a mask of columns from the invoking table that are
|
|
# used in the trigger body as NEW.column or OLD.column. That mask is then
|
|
# used to reduce the amount of information that needs to be loaded into
|
|
# the NEW and OLD pseudo-tables at run-time.
|
|
#
|
|
# These tests cases check the logic for when there are many columns - more
|
|
# than will fit in a bitmask.
|
|
#
|
|
do_test triggerB-3.1 {
|
|
execsql {
|
|
CREATE TABLE t3(
|
|
c0, 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, c41, c42, c43, c44, c45, c46, c47, c48, c49,
|
|
c50, c51, c52, c53, c54, c55, c56, c57, c58, c59,
|
|
c60, c61, c62, c63, c64, c65
|
|
);
|
|
CREATE TABLE t3_changes(colnum, oldval, newval);
|
|
INSERT INTO t3 VALUES(
|
|
'a0', 'a1', 'a2', 'a3', 'a4', 'a5', 'a6', 'a7', 'a8', 'a9',
|
|
'a10','a11','a12','a13','a14','a15','a16','a17','a18','a19',
|
|
'a20','a21','a22','a23','a24','a25','a26','a27','a28','a29',
|
|
'a30','a31','a32','a33','a34','a35','a36','a37','a38','a39',
|
|
'a40','a41','a42','a43','a44','a45','a46','a47','a48','a49',
|
|
'a50','a51','a52','a53','a54','a55','a56','a57','a58','a59',
|
|
'a60','a61','a62','a63','a64','a65'
|
|
);
|
|
}
|
|
for {set i 0} {$i<=65} {incr i} {
|
|
set sql [subst {
|
|
CREATE TRIGGER t3c$i AFTER UPDATE ON t3
|
|
WHEN old.c$i!=new.c$i BEGIN
|
|
INSERT INTO t3_changes VALUES($i, old.c$i, new.c$i);
|
|
END
|
|
}]
|
|
db eval $sql
|
|
}
|
|
execsql {
|
|
SELECT * FROM t3_changes
|
|
}
|
|
} {}
|
|
for {set i 0} {$i<=64} {incr i} {
|
|
do_test triggerB-3.2.$i.1 [subst {
|
|
execsql {
|
|
UPDATE t3 SET c$i='b$i';
|
|
SELECT * FROM t3_changes ORDER BY rowid DESC LIMIT 1;
|
|
}
|
|
}] [subst {$i a$i b$i}]
|
|
do_test triggerB-3.2.$i.2 [subst {
|
|
execsql {
|
|
SELECT count(*) FROM t3_changes
|
|
}
|
|
}] [expr {$i+1}]
|
|
do_test triggerB-3.2.$i.2 [subst {
|
|
execsql {
|
|
SELECT * FROM t3_changes WHERE colnum=$i
|
|
}
|
|
}] [subst {$i a$i b$i}]
|
|
}
|
|
|
|
|
|
finish_test
|