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1 # 2005 August 18 | |
2 # | |
3 # The author disclaims copyright to this source code. In place of | |
4 # a legal notice, here is a blessing: | |
5 # | |
6 # May you do good and not evil. | |
7 # May you find forgiveness for yourself and forgive others. | |
8 # May you share freely, never taking more than you give. | |
9 # | |
10 #*********************************************************************** | |
11 # This file implements regression tests for SQLite library. | |
12 # | |
13 # This file implements tests to increase coverage of trigger.c. | |
14 # | |
15 # $Id: trigger7.test,v 1.3 2008/08/11 18:44:58 drh Exp $ | |
16 | |
17 set testdir [file dirname $argv0] | |
18 source $testdir/tester.tcl | |
19 ifcapable {!trigger} { | |
20 finish_test | |
21 return | |
22 } | |
23 | |
24 | |
25 # Error messages resulting from qualified trigger names. | |
26 # | |
27 do_test trigger7-1.1 { | |
28 execsql { | |
29 CREATE TABLE t1(x, y); | |
30 } | |
31 catchsql { | |
32 CREATE TEMP TRIGGER main.r1 AFTER INSERT ON t1 BEGIN | |
33 SELECT 'no nothing'; | |
34 END | |
35 } | |
36 } {1 {temporary trigger may not have qualified name}} | |
37 do_test trigger7-1.2 { | |
38 catchsql { | |
39 CREATE TRIGGER not_a_db.r1 AFTER INSERT ON t1 BEGIN | |
40 SELECT 'no nothing'; | |
41 END | |
42 } | |
43 } {1 {unknown database not_a_db}} | |
44 | |
45 | |
46 # When the UPDATE OF syntax is used, no code is generated for triggers | |
47 # that do not match the update columns. | |
48 # | |
49 ifcapable explain { | |
50 do_test trigger7-2.1 { | |
51 execsql { | |
52 CREATE TRIGGER r1 AFTER UPDATE OF x ON t1 BEGIN | |
53 SELECT '___update_t1.x___'; | |
54 END; | |
55 CREATE TRIGGER r2 AFTER UPDATE OF y ON t1 BEGIN | |
56 SELECT '___update_t1.y___'; | |
57 END; | |
58 } | |
59 set txt [db eval {EXPLAIN UPDATE t1 SET x=5}] | |
60 string match *___update_t1.x___* $txt | |
61 } 1 | |
62 do_test trigger7-2.2 { | |
63 set txt [db eval {EXPLAIN UPDATE t1 SET x=5}] | |
64 string match *___update_t1.y___* $txt | |
65 } 0 | |
66 do_test trigger7-2.3 { | |
67 set txt [db eval {EXPLAIN UPDATE t1 SET y=5}] | |
68 string match *___update_t1.x___* $txt | |
69 } 0 | |
70 do_test trigger7-2.4 { | |
71 set txt [db eval {EXPLAIN UPDATE t1 SET y=5}] | |
72 string match *___update_t1.y___* $txt | |
73 } 1 | |
74 do_test trigger7-2.5 { | |
75 set txt [db eval {EXPLAIN UPDATE t1 SET rowid=5}] | |
76 string match *___update_t1.x___* $txt | |
77 } 0 | |
78 do_test trigger7-2.6 { | |
79 set txt [db eval {EXPLAIN UPDATE t1 SET rowid=5}] | |
80 string match *___update_t1.x___* $txt | |
81 } 0 | |
82 } | |
83 | |
84 # Test the ability to create many triggers on the same table, then | |
85 # selectively drop those triggers. | |
86 # | |
87 do_test trigger7-3.1 { | |
88 execsql { | |
89 CREATE TABLE t2(x,y,z); | |
90 CREATE TRIGGER t2r1 AFTER INSERT ON t2 BEGIN SELECT 1; END; | |
91 CREATE TRIGGER t2r2 BEFORE INSERT ON t2 BEGIN SELECT 1; END; | |
92 CREATE TRIGGER t2r3 AFTER UPDATE ON t2 BEGIN SELECT 1; END; | |
93 CREATE TRIGGER t2r4 BEFORE UPDATE ON t2 BEGIN SELECT 1; END; | |
94 CREATE TRIGGER t2r5 AFTER DELETE ON t2 BEGIN SELECT 1; END; | |
95 CREATE TRIGGER t2r6 BEFORE DELETE ON t2 BEGIN SELECT 1; END; | |
96 CREATE TRIGGER t2r7 AFTER INSERT ON t2 BEGIN SELECT 1; END; | |
97 CREATE TRIGGER t2r8 BEFORE INSERT ON t2 BEGIN SELECT 1; END; | |
98 CREATE TRIGGER t2r9 AFTER UPDATE ON t2 BEGIN SELECT 1; END; | |
99 CREATE TRIGGER t2r10 BEFORE UPDATE ON t2 BEGIN SELECT 1; END; | |
100 CREATE TRIGGER t2r11 AFTER DELETE ON t2 BEGIN SELECT 1; END; | |
101 CREATE TRIGGER t2r12 BEFORE DELETE ON t2 BEGIN SELECT 1; END; | |
102 DROP TRIGGER t2r6; | |
103 } | |
104 } {} | |
105 | |
106 # This test corrupts the database file so it must be the last test | |
107 # in the series. | |
108 # | |
109 do_test trigger7-99.1 { | |
110 execsql { | |
111 PRAGMA writable_schema=on; | |
112 UPDATE sqlite_master SET sql='nonsense'; | |
113 } | |
114 db close | |
115 catch { sqlite3 db test.db } | |
116 catchsql { DROP TRIGGER t2r5 } | |
117 } {1 {malformed database schema (t2r12) - near "nonsense": syntax error}} | |
118 | |
119 finish_test | |
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