xref: /titanic_41/usr/src/lib/libsqlite/test/trigger3.test (revision 450396635f70344c58b6b1e4db38cf17ff34445c)
1
2#pragma ident	"%Z%%M%	%I%	%E% SMI"
3
4# The author disclaims copyright to this source code.  In place of
5# a legal notice, here is a blessing:
6#
7#    May you do good and not evil.
8#    May you find forgiveness for yourself and forgive others.
9#    May you share freely, never taking more than you give.
10#
11#***********************************************************************
12#
13# This file tests the RAISE() function.
14#
15
16set testdir [file dirname $argv0]
17source $testdir/tester.tcl
18
19# Test that we can cause ROLLBACK, FAIL and ABORT correctly
20# catchsql { DROP TABLE tbl; }
21catchsql { CREATE TABLE tbl (a, b, c) }
22
23execsql {
24    CREATE TRIGGER before_tbl_insert BEFORE INSERT ON tbl BEGIN SELECT CASE
25	WHEN (new.a = 4) THEN RAISE(IGNORE) END;
26    END;
27
28    CREATE TRIGGER after_tbl_insert AFTER INSERT ON tbl BEGIN SELECT CASE
29	WHEN (new.a = 1) THEN RAISE(ABORT,    'Trigger abort')
30	WHEN (new.a = 2) THEN RAISE(FAIL,     'Trigger fail')
31	WHEN (new.a = 3) THEN RAISE(ROLLBACK, 'Trigger rollback') END;
32    END;
33}
34# ABORT
35do_test trigger3-1.1 {
36    catchsql {
37	BEGIN;
38        INSERT INTO tbl VALUES (5, 5, 6);
39        INSERT INTO tbl VALUES (1, 5, 6);
40    }
41} {1 {Trigger abort}}
42do_test trigger3-1.2 {
43    execsql {
44	SELECT * FROM tbl;
45	ROLLBACK;
46    }
47} {5 5 6}
48do_test trigger3-1.3 {
49    execsql {SELECT * FROM tbl}
50} {}
51
52# FAIL
53do_test trigger3-2.1 {
54    catchsql {
55	BEGIN;
56        INSERT INTO tbl VALUES (5, 5, 6);
57        INSERT INTO tbl VALUES (2, 5, 6);
58    }
59} {1 {Trigger fail}}
60do_test trigger3-2.2 {
61    execsql {
62	SELECT * FROM tbl;
63	ROLLBACK;
64    }
65} {5 5 6 2 5 6}
66# ROLLBACK
67do_test trigger3-3.1 {
68    catchsql {
69	BEGIN;
70        INSERT INTO tbl VALUES (5, 5, 6);
71        INSERT INTO tbl VALUES (3, 5, 6);
72    }
73} {1 {Trigger rollback}}
74do_test trigger3-3.2 {
75    execsql {
76	SELECT * FROM tbl;
77    }
78} {}
79# IGNORE
80do_test trigger3-4.1 {
81    catchsql {
82	BEGIN;
83        INSERT INTO tbl VALUES (5, 5, 6);
84        INSERT INTO tbl VALUES (4, 5, 6);
85    }
86} {0 {}}
87do_test trigger3-4.2 {
88    execsql {
89	SELECT * FROM tbl;
90	ROLLBACK;
91    }
92} {5 5 6}
93
94# Check that we can also do RAISE(IGNORE) for UPDATE and DELETE
95execsql {DROP TABLE tbl;}
96execsql {CREATE TABLE tbl (a, b, c);}
97execsql {INSERT INTO tbl VALUES(1, 2, 3);}
98execsql {INSERT INTO tbl VALUES(4, 5, 6);}
99execsql {
100    CREATE TRIGGER before_tbl_update BEFORE UPDATE ON tbl BEGIN
101	SELECT CASE WHEN (old.a = 1) THEN RAISE(IGNORE) END;
102    END;
103
104    CREATE TRIGGER before_tbl_delete BEFORE DELETE ON tbl BEGIN
105	SELECT CASE WHEN (old.a = 1) THEN RAISE(IGNORE) END;
106    END;
107}
108do_test trigger3-5.1 {
109    execsql {
110	UPDATE tbl SET c = 10;
111	SELECT * FROM tbl;
112    }
113} {1 2 3 4 5 10}
114do_test trigger3-5.2 {
115    execsql {
116	DELETE FROM tbl;
117	SELECT * FROM tbl;
118    }
119} {1 2 3}
120
121# Check that RAISE(IGNORE) works correctly for nested triggers:
122execsql {CREATE TABLE tbl2(a, b, c)}
123execsql {
124    CREATE TRIGGER after_tbl2_insert AFTER INSERT ON tbl2 BEGIN
125	UPDATE tbl SET c = 10;
126        INSERT INTO tbl2 VALUES (new.a, new.b, new.c);
127    END;
128}
129do_test trigger3-6 {
130    execsql {
131	INSERT INTO tbl2 VALUES (1, 2, 3);
132	SELECT * FROM tbl2;
133	SELECT * FROM tbl;
134    }
135} {1 2 3 1 2 3 1 2 3}
136
137# Check that things also work for view-triggers
138execsql {CREATE VIEW tbl_view AS SELECT * FROM tbl}
139execsql {
140    CREATE TRIGGER tbl_view_insert INSTEAD OF INSERT ON tbl_view BEGIN
141	SELECT CASE WHEN (new.a = 1) THEN RAISE(ROLLBACK, 'View rollback')
142	            WHEN (new.a = 2) THEN RAISE(IGNORE)
143	            WHEN (new.a = 3) THEN RAISE(ABORT, 'View abort') END;
144    END;
145}
146
147do_test trigger3-7.1 {
148    catchsql {
149	INSERT INTO tbl_view VALUES(1, 2, 3);
150    }
151} {1 {View rollback}}
152do_test trigger3-7.2 {
153    catchsql {
154	INSERT INTO tbl_view VALUES(2, 2, 3);
155    }
156} {0 {}}
157do_test trigger3-7.3 {
158    catchsql {
159	INSERT INTO tbl_view VALUES(3, 2, 3);
160    }
161} {1 {View abort}}
162
163integrity_check trigger3-8.1
164
165catchsql { DROP TABLE tbl; }
166catchsql { DROP TABLE tbl2; }
167catchsql { DROP VIEW tbl_view; }
168
169finish_test
170