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1 # 2005 January 13
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. The
12 # focus of this file is testing corner cases of the INSERT statement.
13 #
14 # $Id: insert3.test,v 1.9 2009/04/23 14:58:40 danielk1977 Exp $
16 set testdir [file dirname $argv0]
17 source $testdir/tester.tcl
19 # All the tests in this file require trigger support
20 #
21 ifcapable {trigger} {
23 # Create a table and a corresponding insert trigger. Do a self-insert
24 # into the table.
25 #
26 do_test insert3-1.0 {
27 execsql {
28 CREATE TABLE t1(a,b);
29 CREATE TABLE log(x UNIQUE, y);
30 CREATE TRIGGER r1 AFTER INSERT ON t1 BEGIN
31 UPDATE log SET y=y+1 WHERE x=new.a;
32 INSERT OR IGNORE INTO log VALUES(new.a, 1);
33 END;
34 INSERT INTO t1 VALUES('hello','world');
35 INSERT INTO t1 VALUES(5,10);
36 SELECT * FROM log ORDER BY x;
37 }
38 } {5 1 hello 1}
39 do_test insert3-1.1 {
40 execsql {
41 INSERT INTO t1 SELECT a, b+10 FROM t1;
42 SELECT * FROM log ORDER BY x;
43 }
44 } {5 2 hello 2}
45 do_test insert3-1.2 {
46 execsql {
47 CREATE TABLE log2(x PRIMARY KEY,y);
48 CREATE TRIGGER r2 BEFORE INSERT ON t1 BEGIN
49 UPDATE log2 SET y=y+1 WHERE x=new.b;
50 INSERT OR IGNORE INTO log2 VALUES(new.b,1);
51 END;
52 INSERT INTO t1 VALUES(453,'hi');
53 SELECT * FROM log ORDER BY x;
54 }
55 } {5 2 453 1 hello 2}
56 do_test insert3-1.3 {
57 execsql {
58 SELECT * FROM log2 ORDER BY x;
59 }
60 } {hi 1}
61 ifcapable compound {
62 do_test insert3-1.4.1 {
63 execsql {
64 INSERT INTO t1 SELECT * FROM t1;
65 SELECT 'a:', x, y FROM log UNION ALL
66 SELECT 'b:', x, y FROM log2 ORDER BY x;
67 }
68 } {a: 5 4 b: 10 2 b: 20 1 a: 453 2 a: hello 4 b: hi 2 b: world 1}
69 do_test insert3-1.4.2 {
70 execsql {
71 SELECT 'a:', x, y FROM log UNION ALL
72 SELECT 'b:', x, y FROM log2 ORDER BY x, y;
73 }
74 } {a: 5 4 b: 10 2 b: 20 1 a: 453 2 a: hello 4 b: hi 2 b: world 1}
75 do_test insert3-1.5 {
76 execsql {
77 INSERT INTO t1(a) VALUES('xyz');
78 SELECT * FROM log ORDER BY x;
79 }
80 } {5 4 453 2 hello 4 xyz 1}
81 }
83 do_test insert3-2.1 {
84 execsql {
85 CREATE TABLE t2(
86 a INTEGER PRIMARY KEY,
87 b DEFAULT 'b',
88 c DEFAULT 'c'
89 );
90 CREATE TABLE t2dup(a,b,c);
91 CREATE TRIGGER t2r1 BEFORE INSERT ON t2 BEGIN
92 INSERT INTO t2dup(a,b,c) VALUES(new.a,new.b,new.c);
93 END;
94 INSERT INTO t2(a) VALUES(123);
95 INSERT INTO t2(b) VALUES(234);
96 INSERT INTO t2(c) VALUES(345);
97 SELECT * FROM t2dup;
98 }
99 } {123 b c -1 234 c -1 b 345}
100 do_test insert3-2.2 {
101 execsql {
102 DELETE FROM t2dup;
103 INSERT INTO t2(a) SELECT 1 FROM t1 LIMIT 1;
104 INSERT INTO t2(b) SELECT 987 FROM t1 LIMIT 1;
105 INSERT INTO t2(c) SELECT 876 FROM t1 LIMIT 1;
106 SELECT * FROM t2dup;
107 }
108 } {1 b c -1 987 c -1 b 876}
110 # Test for proper detection of malformed WHEN clauses on INSERT triggers.
111 #
112 do_test insert3-3.1 {
113 execsql {
114 CREATE TABLE t3(a,b,c);
115 CREATE TRIGGER t3r1 BEFORE INSERT on t3 WHEN nosuchcol BEGIN
116 SELECT 'illegal WHEN clause';
117 END;
118 }
119 } {}
120 do_test insert3-3.2 {
121 catchsql {
122 INSERT INTO t3 VALUES(1,2,3)
123 }
124 } {1 {no such column: nosuchcol}}
125 do_test insert3-3.3 {
126 execsql {
127 CREATE TABLE t4(a,b,c);
128 CREATE TRIGGER t4r1 AFTER INSERT on t4 WHEN nosuchcol BEGIN
129 SELECT 'illegal WHEN clause';
130 END;
131 }
132 } {}
133 do_test insert3-3.4 {
134 catchsql {
135 INSERT INTO t4 VALUES(1,2,3)
136 }
137 } {1 {no such column: nosuchcol}}
139 } ;# ifcapable {trigger}
141 # Tests for the INSERT INTO ... DEFAULT VALUES construct
142 #
143 do_test insert3-3.5 {
144 execsql {
145 CREATE TABLE t5(
146 a INTEGER PRIMARY KEY,
147 b DEFAULT 'xyz'
148 );
149 INSERT INTO t5 DEFAULT VALUES;
150 SELECT * FROM t5;
151 }
152 } {1 xyz}
153 do_test insert3-3.6 {
154 execsql {
155 INSERT INTO t5 DEFAULT VALUES;
156 SELECT * FROM t5;
157 }
158 } {1 xyz 2 xyz}
160 ifcapable bloblit {
161 do_test insert3-3.7 {
162 execsql {
163 CREATE TABLE t6(x,y DEFAULT 4.3, z DEFAULT x'6869');
164 INSERT INTO t6 DEFAULT VALUES;
165 SELECT * FROM t6;
166 }
167 } {{} 4.3 hi}
168 }
170 foreach tab [db eval {SELECT name FROM sqlite_master WHERE type = 'table'}] {
171 db eval "DROP TABLE $tab"
172 }
173 db close
174 sqlite3 db test.db
176 #-------------------------------------------------------------------------
177 # While developing tests for a different feature (savepoint) the following
178 # sequence was found to cause an assert() in btree.c to fail. These
179 # tests are included to ensure that that bug is fixed.
180 #
181 do_test insert3-4.1 {
182 execsql {
183 CREATE TABLE t1(a, b, c);
184 CREATE INDEX i1 ON t1(a, b);
185 BEGIN;
186 INSERT INTO t1 VALUES(randstr(10,400),randstr(10,400),randstr(10,400));
187 }
188 set r "randstr(10,400)"
189 for {set ii 0} {$ii < 10} {incr ii} {
190 execsql "INSERT INTO t1 SELECT $r, $r, $r FROM t1"
191 }
192 execsql { COMMIT }
193 } {}
194 do_test insert3-4.2 {
195 execsql {
196 PRAGMA cache_size = 10;
197 BEGIN;
198 UPDATE t1 SET a = randstr(10,10) WHERE (rowid%4)==0;
199 DELETE FROM t1 WHERE rowid%2;
200 INSERT INTO t1 SELECT randstr(10,400), randstr(10,400), c FROM t1;
201 COMMIT;
202 }
203 } {}
205 finish_test