rt-thread/components/external/SQLite-3.8.1/test/mallocJ.test

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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 LIMIT operations for
# UPDATE/DELETE statements.
#
# $Id: mallocJ.test,v 1.6 2009/01/09 02:49:32 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/malloc_common.tcl
ifcapable {update_delete_limit} {
do_malloc_test mallocJ-1 -sqlprep {
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(x int, y int);
INSERT INTO t1 VALUES(1,1);
INSERT INTO t1 VALUES(1,2);
INSERT INTO t1 VALUES(1,2);
INSERT INTO t1 VALUES(2,1);
INSERT INTO t1 VALUES(2,2);
INSERT INTO t1 VALUES(2,3);
} -sqlbody {
UPDATE t1 SET x=1 ORDER BY y LIMIT 2 OFFSET 2;
UPDATE t1 SET x=2 WHERE y=1 ORDER BY y LIMIT 2 OFFSET 2;
DELETE FROM t1 WHERE x=1 ORDER BY y LIMIT 2 OFFSET 2;
DELETE FROM t1 ORDER BY y LIMIT 2 OFFSET 2;
}
}
# ticket #3467
do_malloc_test mallocJ-2 -sqlprep {
CREATE TABLE t1(a,b);
INSERT INTO t1 VALUES(1,2);
PRAGMA vdbe_trace=ON;
} -sqlbody {
SELECT a, b, 'abc' FROM t1
UNION
SELECT b, a, 'xyz' FROM t1
ORDER BY 2, 3;
}
# ticket #3478
do_malloc_test mallocJ-3 -sqlbody {
EXPLAIN COMMIT
}
# ticket #3485
do_malloc_test mallocJ-4 -sqlprep {
CREATE TABLE t1(a,b,c);
CREATE TABLE t2(x,y,z);
} -sqlbody {
SELECT * FROM (SELECT a,b FROM t1 UNION ALL SELECT x, y FROM t2) ORDER BY 1
}
# coverage testing
do_malloc_test mallocJ-5 -sqlprep {
CREATE TABLE t1(["a"]);
} -sqlbody {
SELECT * FROM t1
}
finish_test