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