3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
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.
10 #***********************************************************************
11 # This file implements regression tests for SQLite library. The
12 # focus of this file is testing corner cases of the INSERT statement.
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
23 # Create a table and a corresponding insert trigger. Do a self-insert
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);
34 INSERT INTO t1 VALUES('hello','world');
35 INSERT INTO t1 VALUES(5,10);
36 SELECT * FROM log ORDER BY x;
41 INSERT INTO t1 SELECT a, b+10 FROM t1;
42 SELECT * FROM log ORDER BY x;
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);
52 INSERT INTO t1 VALUES(453,'hi');
53 SELECT * FROM log ORDER BY x;
58 SELECT * FROM log2 ORDER BY x;
62 do_test insert3-1.4.1 {
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;
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 {
71 SELECT 'a:', x, y FROM log UNION ALL
72 SELECT 'b:', x, y FROM log2 ORDER BY x, y;
74 } {a: 5 4 b: 10 2 b: 20 1 a: 453 2 a: hello 4 b: hi 2 b: world 1}
77 INSERT INTO t1(a) VALUES('xyz');
78 SELECT * FROM log ORDER BY x;
80 } {5 4 453 2 hello 4 xyz 1}
86 a INTEGER PRIMARY KEY,
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);
94 INSERT INTO t2(a) VALUES(123);
95 INSERT INTO t2(b) VALUES(234);
96 INSERT INTO t2(c) VALUES(345);
99 } {123 b c -1 234 c -1 b 345}
100 do_test insert3-2.2 {
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;
108 } {1 b c -1 987 c -1 b 876}
110 # Test for proper detection of malformed WHEN clauses on INSERT triggers.
112 do_test insert3-3.1 {
114 CREATE TABLE t3(a,b,c);
115 CREATE TRIGGER t3r1 BEFORE INSERT on t3 WHEN nosuchcol BEGIN
116 SELECT 'illegal WHEN clause';
120 do_test insert3-3.2 {
122 INSERT INTO t3 VALUES(1,2,3)
124 } {1 {no such column: nosuchcol}}
125 do_test insert3-3.3 {
127 CREATE TABLE t4(a,b,c);
128 CREATE TRIGGER t4r1 AFTER INSERT on t4 WHEN nosuchcol BEGIN
129 SELECT 'illegal WHEN clause';
133 do_test insert3-3.4 {
135 INSERT INTO t4 VALUES(1,2,3)
137 } {1 {no such column: nosuchcol}}
139 } ;# ifcapable {trigger}
141 # Tests for the INSERT INTO ... DEFAULT VALUES construct
143 do_test insert3-3.5 {
146 a INTEGER PRIMARY KEY,
149 INSERT INTO t5 DEFAULT VALUES;
153 do_test insert3-3.6 {
155 INSERT INTO t5 DEFAULT VALUES;
161 do_test insert3-3.7 {
163 CREATE TABLE t6(x,y DEFAULT 4.3, z DEFAULT x'6869');
164 INSERT INTO t6 DEFAULT VALUES;
170 foreach tab [db eval {SELECT name FROM sqlite_master WHERE type = 'table'}] {
171 db eval "DROP TABLE $tab"
176 #-------------------------------------------------------------------------
177 # While developing tests for a different feature (savepoint) the following
178 # sequence was found to cause an assert() in btree.c to fail. These
179 # tests are included to ensure that that bug is fixed.
181 do_test insert3-4.1 {
183 CREATE TABLE t1(a, b, c);
184 CREATE INDEX i1 ON t1(a, b);
186 INSERT INTO t1 VALUES(randstr(10,400),randstr(10,400),randstr(10,400));
188 set r "randstr(10,400)"
189 for {set ii 0} {$ii < 10} {incr ii} {
190 execsql "INSERT INTO t1 SELECT $r, $r, $r FROM t1"
194 do_test insert3-4.2 {
196 PRAGMA cache_size = 10;
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;