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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.
#
#***********************************************************************
#
# This file tests the RAISE() function.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable {!trigger} {
finish_test
return
}
# The tests in this file were written before SQLite supported recursive }
# trigger invocation, and some tests depend on that to pass. So disable
# recursive triggers for this file.
catchsql { pragma recursive_triggers = off }
# Test that we can cause ROLLBACK, FAIL and ABORT correctly
#
catchsql { CREATE TABLE tbl(a, b ,c) }
execsql {
CREATE TRIGGER before_tbl_insert BEFORE INSERT ON tbl BEGIN SELECT CASE
WHEN (new.a = 4) THEN RAISE(IGNORE) END;
END;
CREATE TRIGGER after_tbl_insert AFTER INSERT ON tbl BEGIN SELECT CASE
WHEN (new.a = 1) THEN RAISE(ABORT, 'Trigger abort')
WHEN (new.a = 2) THEN RAISE(FAIL, 'Trigger fail')
WHEN (new.a = 3) THEN RAISE(ROLLBACK, 'Trigger rollback') END;
END;
}
# ABORT
do_test trigger3-1.1 {
catchsql {
BEGIN;
INSERT INTO tbl VALUES (5, 5, 6);
INSERT INTO tbl VALUES (1, 5, 6);
}
} {1 {Trigger abort}}
do_test trigger3-1.2 {
execsql {
SELECT * FROM tbl;
ROLLBACK;
}
} {5 5 6}
do_test trigger3-1.3 {
execsql {SELECT * FROM tbl}
} {}
# FAIL
do_test trigger3-2.1 {
catchsql {
BEGIN;
INSERT INTO tbl VALUES (5, 5, 6);
INSERT INTO tbl VALUES (2, 5, 6);
}
} {1 {Trigger fail}}
do_test trigger3-2.2 {
execsql {
SELECT * FROM tbl;
ROLLBACK;
}
} {5 5 6 2 5 6}
# ROLLBACK
do_test trigger3-3.1 {
catchsql {
BEGIN;
INSERT INTO tbl VALUES (5, 5, 6);
INSERT INTO tbl VALUES (3, 5, 6);
}
} {1 {Trigger rollback}}
do_test trigger3-3.2 {
execsql {
SELECT * FROM tbl;
}
} {}
# Verify that a ROLLBACK trigger works like a FAIL trigger if
# we are not within a transaction. Ticket #3035.
#
do_test trigger3-3.3 {
catchsql {COMMIT}
catchsql {
INSERT INTO tbl VALUES (3, 9, 10);
}
} {1 {Trigger rollback}}
do_test trigger3-3.4 {
execsql {SELECT * FROM tbl}
} {}
# IGNORE
do_test trigger3-4.1 {
catchsql {
BEGIN;
INSERT INTO tbl VALUES (5, 5, 6);
INSERT INTO tbl VALUES (4, 5, 6);
}
} {0 {}}
do_test trigger3-4.2 {
execsql {
SELECT * FROM tbl;
ROLLBACK;
}
} {5 5 6}
# Check that we can also do RAISE(IGNORE) for UPDATE and DELETE
execsql {DROP TABLE tbl;}
execsql {CREATE TABLE tbl (a, b, c);}
execsql {INSERT INTO tbl VALUES(1, 2, 3);}
execsql {INSERT INTO tbl VALUES(4, 5, 6);}
execsql {
CREATE TRIGGER before_tbl_update BEFORE UPDATE ON tbl BEGIN
SELECT CASE WHEN (old.a = 1) THEN RAISE(IGNORE) END;
END;
CREATE TRIGGER before_tbl_delete BEFORE DELETE ON tbl BEGIN
SELECT CASE WHEN (old.a = 1) THEN RAISE(IGNORE) END;
END;
}
do_test trigger3-5.1 {
execsql {
UPDATE tbl SET c = 10;
SELECT * FROM tbl;
}
} {1 2 3 4 5 10}
do_test trigger3-5.2 {
execsql {
DELETE FROM tbl;
SELECT * FROM tbl;
}
} {1 2 3}
# Check that RAISE(IGNORE) works correctly for nested triggers:
execsql {CREATE TABLE tbl2(a, b, c)}
execsql {
CREATE TRIGGER after_tbl2_insert AFTER INSERT ON tbl2 BEGIN
UPDATE tbl SET c = 10;
INSERT INTO tbl2 VALUES (new.a, new.b, new.c);
END;
}
do_test trigger3-6 {
execsql {
INSERT INTO tbl2 VALUES (1, 2, 3);
SELECT * FROM tbl2;
SELECT * FROM tbl;
}
} {1 2 3 1 2 3 1 2 3}
# Check that things also work for view-triggers
ifcapable view {
execsql {CREATE VIEW tbl_view AS SELECT * FROM tbl}
execsql {
CREATE TRIGGER tbl_view_insert INSTEAD OF INSERT ON tbl_view BEGIN
SELECT CASE WHEN (new.a = 1) THEN RAISE(ROLLBACK, 'View rollback')
WHEN (new.a = 2) THEN RAISE(IGNORE)
WHEN (new.a = 3) THEN RAISE(ABORT, 'View abort') END;
END;
}
do_test trigger3-7.1 {
catchsql {
INSERT INTO tbl_view VALUES(1, 2, 3);
}
} {1 {View rollback}}
do_test trigger3-7.2 {
catchsql {
INSERT INTO tbl_view VALUES(2, 2, 3);
}
} {0 {}}
do_test trigger3-7.3 {
catchsql {
INSERT INTO tbl_view VALUES(3, 2, 3);
}
} {1 {View abort}}
} ;# ifcapable view
integrity_check trigger3-8.1
catchsql { DROP TABLE tbl; }
catchsql { DROP TABLE tbl2; }
catchsql { DROP VIEW tbl_view; }
finish_test
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