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 #***********************************************************************
12 # This test script checks malloc failures in WHERE clause analysis.
14 # $Id: mallocK.test,v 1.3 2009/01/08 21:00:03 drh Exp $
16 set testdir [file dirname $argv0]
17 source $testdir/tester.tcl
18 source $testdir/malloc_common.tcl
19 set testprefix mallocK
21 set sql {SELECT * FROM t1, t2 WHERE (a=1 OR a=2)}
22 for {set x 1} {$x<5} {incr x} {
24 do_malloc_test mallocK-1.$x -sqlbody $sql -sqlprep {
30 set sql {SELECT * FROM t1 WHERE a GLOB 'xyz*' AND (a=1 OR a=2)}
31 for {set x 1} {$x<5} {incr x} {
32 append sql " AND b!=$x"
33 do_malloc_test mallocK-2.$x -sqlbody $sql -sqlprep {
38 set sql {SELECT * FROM t1 WHERE a BETWEEN 5 AND 10}
39 for {set x 1} {$x<5} {incr x} {
40 append sql " AND b=$x"
41 do_malloc_test mallocK-3.$x -sqlbody $sql -sqlprep {
46 set sql {SELECT * FROM t1 WHERE b=0}
47 for {set x 1} {$x<5} {incr x} {
49 for {set y 0} {$y<$x} {incr y} {
50 append term " AND a!=$y"
52 append sql " OR $term)"
53 do_malloc_test mallocK-4.$x -sqlbody $sql -sqlprep {
59 set sql {SELECT * FROM t2 WHERE a MATCH 'xyz'}
60 for {set x 1} {$x<5} {incr x} {
61 append sql " AND b!=$x"
62 do_malloc_test mallocK-5.$x -sqlbody $sql -tclprep {
63 register_echo_module [sqlite3_connection_pointer db]
66 CREATE VIRTUAL TABLE t2 USING echo(t1);
72 #-------------------------------------------------------------------------
73 # Test that OOM errors are correctly handled by the code that uses stat4
74 # data to estimate the number of rows visited by a skip-scan range query.
76 add_alignment_test_collations db
78 CREATE TABLE t3(a TEXT, b TEXT COLLATE utf16_aligned, c);
79 INSERT INTO t3 VALUES('one', '.....', 0);
80 INSERT INTO t3 VALUES('one', '....x', 1);
81 INSERT INTO t3 VALUES('one', '...x.', 2);
82 INSERT INTO t3 VALUES('one', '...xx', 3);
83 INSERT INTO t3 VALUES('one', '..x..', 4);
84 INSERT INTO t3 VALUES('one', '..x.x', 5);
85 INSERT INTO t3 VALUES('one', '..xx.', 6);
86 INSERT INTO t3 VALUES('one', '..xxx', 7);
87 INSERT INTO t3 VALUES('one', '.x...', 8);
88 INSERT INTO t3 VALUES('one', '.x..x', 9);
89 INSERT INTO t3 VALUES('one', '.x.x.', 10);
90 INSERT INTO t3 VALUES('one', '.x.xx', 11);
91 INSERT INTO t3 VALUES('one', '.xx..', 12);
92 INSERT INTO t3 VALUES('one', '.xx.x', 13);
93 INSERT INTO t3 VALUES('one', '.xxx.', 14);
94 INSERT INTO t3 VALUES('one', '.xxxx', 15);
96 INSERT INTO t3 VALUES('two', 'x....', 16);
97 INSERT INTO t3 VALUES('two', 'x...x', 17);
98 INSERT INTO t3 VALUES('two', 'x..x.', 18);
99 INSERT INTO t3 VALUES('two', 'x..xx', 19);
100 INSERT INTO t3 VALUES('two', 'x.x..', 20);
101 INSERT INTO t3 VALUES('two', 'x.x.x', 21);
102 INSERT INTO t3 VALUES('two', 'x.xx.', 22);
103 INSERT INTO t3 VALUES('two', 'x.xxx', 23);
104 INSERT INTO t3 VALUES('two', 'xx...', 24);
105 INSERT INTO t3 VALUES('two', 'xx..x', 25);
106 INSERT INTO t3 VALUES('two', 'xx.x.', 26);
107 INSERT INTO t3 VALUES('two', 'xx.xx', 27);
108 INSERT INTO t3 VALUES('two', 'xxx..', 28);
109 INSERT INTO t3 VALUES('two', 'xxx.x', 29);
110 INSERT INTO t3 VALUES('two', 'xxxx.', 30);
111 INSERT INTO t3 VALUES('two', 'xxxxx', 31);
113 INSERT INTO t3 SELECT * FROM t3;
115 CREATE INDEX i3 ON t3(a, b);
123 SELECT DISTINCT c FROM t3 WHERE b BETWEEN '.xx..' AND '.xxxx';
124 } [string map {"\n " \n} {
126 |--SEARCH TABLE t3 USING INDEX i3 (ANY(a) AND b>? AND b<?)
127 `--USE TEMP B-TREE FOR DISTINCT
131 do_faultsim_test 6 -faults oom* -body {
133 db eval { SELECT DISTINCT c FROM t3 WHERE b BETWEEN '.xx..' AND '.xxxx' }
135 faultsim_test_result {0 {12 13 14 15}}
138 do_execsql_test 7.1 {
139 CREATE TABLE x1(a INTEGER PRIMARY KEY, b);
141 do_faultsim_test 7.2 -faults oom* -body {
142 execsql { SELECT * FROM x1 WHERE a = (SELECT 1) }
144 faultsim_test_result [list 0 {}]
149 proc isqrt {i} { expr { int(sqrt($i)) } }
152 do_execsql_test 8.0 {
153 PRAGMA encoding = 'utf-16';
154 CREATE TABLE x2(x TEXT, y TEXT);
156 SELECT 1 UNION ALL SELECT i+1 FROM data
158 INSERT INTO x2 SELECT isqrt(i), isqrt(i) FROM data LIMIT 400;
159 CREATE INDEX x2x ON x2(x);
160 CREATE INDEX x2y ON x2(y);
165 proc str {a} { return $a }
166 db func str -deterministic str
168 do_faultsim_test 8 -faults oom* -body {
169 execsql { SELECT * FROM x2 WHERE x = str('19') AND y = str('4') }
171 faultsim_test_result [list 0 {}]