# 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