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# 2008 August 01
#
# The author disclaims copyright to this source code. In place of
# a legal notice, here is a blessing:
#
# May you do good and not evil.
# May you find forgiveness for yourself and forgive others.
# May you share freely, never taking more than you give.
#
#***********************************************************************
#
# This test script checks malloc failures in WHERE clause analysis.
#
# $Id: mallocK.test,v 1.3 2009/01/08 21:00:03 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/malloc_common.tcl
set testprefix mallocK
set sql {SELECT * FROM t1, t2 WHERE (a=1 OR a=2)}
for {set x 1} {$x<5} {incr x} {
append sql " AND b=y"
do_malloc_test mallocK-1.$x -sqlbody $sql -sqlprep {
CREATE TABLE t1(a,b);
CREATE TABLE t2(x,y);
}
}
set sql {SELECT * FROM t1 WHERE a GLOB 'xyz*' AND (a=1 OR a=2)}
for {set x 1} {$x<5} {incr x} {
append sql " AND b!=$x"
do_malloc_test mallocK-2.$x -sqlbody $sql -sqlprep {
CREATE TABLE t1(a,b);
}
}
set sql {SELECT * FROM t1 WHERE a BETWEEN 5 AND 10}
for {set x 1} {$x<5} {incr x} {
append sql " AND b=$x"
do_malloc_test mallocK-3.$x -sqlbody $sql -sqlprep {
CREATE TABLE t1(a,b);
}
}
set sql {SELECT * FROM t1 WHERE b=0}
for {set x 1} {$x<5} {incr x} {
set term "(b=$x"
for {set y 0} {$y<$x} {incr y} {
append term " AND a!=$y"
}
append sql " OR $term)"
do_malloc_test mallocK-4.$x -sqlbody $sql -sqlprep {
CREATE TABLE t1(a,b);
}
}
ifcapable vtab {
set sql {SELECT * FROM t2 WHERE a MATCH 'xyz'}
for {set x 1} {$x<5} {incr x} {
append sql " AND b!=$x"
do_malloc_test mallocK-5.$x -sqlbody $sql -tclprep {
register_echo_module [sqlite3_connection_pointer db]
db eval {
CREATE TABLE t1(a,b);
CREATE VIRTUAL TABLE t2 USING echo(t1);
}
}
}
}
#-------------------------------------------------------------------------
# Test that OOM errors are correctly handled by the code that uses stat4
# data to estimate the number of rows visited by a skip-scan range query.
#
add_alignment_test_collations db
do_execsql_test 6.0 {
CREATE TABLE t3(a TEXT, b TEXT COLLATE utf16_aligned, c);
INSERT INTO t3 VALUES('one', '.....', 0);
INSERT INTO t3 VALUES('one', '....x', 1);
INSERT INTO t3 VALUES('one', '...x.', 2);
INSERT INTO t3 VALUES('one', '...xx', 3);
INSERT INTO t3 VALUES('one', '..x..', 4);
INSERT INTO t3 VALUES('one', '..x.x', 5);
INSERT INTO t3 VALUES('one', '..xx.', 6);
INSERT INTO t3 VALUES('one', '..xxx', 7);
INSERT INTO t3 VALUES('one', '.x...', 8);
INSERT INTO t3 VALUES('one', '.x..x', 9);
INSERT INTO t3 VALUES('one', '.x.x.', 10);
INSERT INTO t3 VALUES('one', '.x.xx', 11);
INSERT INTO t3 VALUES('one', '.xx..', 12);
INSERT INTO t3 VALUES('one', '.xx.x', 13);
INSERT INTO t3 VALUES('one', '.xxx.', 14);
INSERT INTO t3 VALUES('one', '.xxxx', 15);
INSERT INTO t3 VALUES('two', 'x....', 16);
INSERT INTO t3 VALUES('two', 'x...x', 17);
INSERT INTO t3 VALUES('two', 'x..x.', 18);
INSERT INTO t3 VALUES('two', 'x..xx', 19);
INSERT INTO t3 VALUES('two', 'x.x..', 20);
INSERT INTO t3 VALUES('two', 'x.x.x', 21);
INSERT INTO t3 VALUES('two', 'x.xx.', 22);
INSERT INTO t3 VALUES('two', 'x.xxx', 23);
INSERT INTO t3 VALUES('two', 'xx...', 24);
INSERT INTO t3 VALUES('two', 'xx..x', 25);
INSERT INTO t3 VALUES('two', 'xx.x.', 26);
INSERT INTO t3 VALUES('two', 'xx.xx', 27);
INSERT INTO t3 VALUES('two', 'xxx..', 28);
INSERT INTO t3 VALUES('two', 'xxx.x', 29);
INSERT INTO t3 VALUES('two', 'xxxx.', 30);
INSERT INTO t3 VALUES('two', 'xxxxx', 31);
INSERT INTO t3 SELECT * FROM t3;
CREATE INDEX i3 ON t3(a, b);
ANALYZE;
SELECT 'x' > '.';
} {1}
ifcapable stat4 {
do_eqp_test 6.1 {
SELECT DISTINCT c FROM t3 WHERE b BETWEEN '.xx..' AND '.xxxx';
} [string map {"\n " \n} {
QUERY PLAN
|--SEARCH t3 USING INDEX i3 (ANY(a) AND b>? AND b<?)
`--USE TEMP B-TREE FOR DISTINCT
}]
}
do_faultsim_test 6 -faults oom* -body {
db cache flush
db eval { SELECT DISTINCT c FROM t3 WHERE b BETWEEN '.xx..' AND '.xxxx' }
} -test {
faultsim_test_result {0 {12 13 14 15}}
}
do_execsql_test 7.1 {
CREATE TABLE x1(a INTEGER PRIMARY KEY, b);
}
do_faultsim_test 7.2 -faults oom* -body {
execsql { SELECT * FROM x1 WHERE a = (SELECT 1) }
} -test {
faultsim_test_result [list 0 {}]
}
reset_db
proc isqrt {i} { expr { int(sqrt($i)) } }
db func isqrt isqrt
do_execsql_test 8.0 {
PRAGMA encoding = 'utf-16';
CREATE TABLE x2(x TEXT, y TEXT);
WITH data(i) AS (
SELECT 1 UNION ALL SELECT i+1 FROM data
)
INSERT INTO x2 SELECT isqrt(i), isqrt(i) FROM data LIMIT 400;
CREATE INDEX x2x ON x2(x);
CREATE INDEX x2y ON x2(y);
ANALYZE;
DELETE FROM x2;
}
proc str {a} { return $a }
db func str -deterministic str
do_faultsim_test 8 -faults oom* -body {
execsql { SELECT * FROM x2 WHERE x = str('19') AND y = str('4') }
} -test {
faultsim_test_result [list 0 {}]
}
finish_test
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