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|   1 # 2008 August 01 |  | 
|   2 # |  | 
|   3 # The author disclaims copyright to this source code.  In place of |  | 
|   4 # a legal notice, here is a blessing: |  | 
|   5 # |  | 
|   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. |  | 
|   9 # |  | 
|  10 #*********************************************************************** |  | 
|  11 # |  | 
|  12 # This test script checks malloc failures in LIMIT operations for  |  | 
|  13 # UPDATE/DELETE statements. |  | 
|  14 #  |  | 
|  15 # $Id: mallocJ.test,v 1.6 2009/01/09 02:49:32 drh Exp $ |  | 
|  16  |  | 
|  17 set testdir [file dirname $argv0] |  | 
|  18 source $testdir/tester.tcl |  | 
|  19 source $testdir/malloc_common.tcl |  | 
|  20  |  | 
|  21 ifcapable {update_delete_limit} { |  | 
|  22  |  | 
|  23   do_malloc_test mallocJ-1 -sqlprep { |  | 
|  24     DROP TABLE IF EXISTS t1; |  | 
|  25     CREATE TABLE t1(x int, y int); |  | 
|  26     INSERT INTO t1 VALUES(1,1); |  | 
|  27     INSERT INTO t1 VALUES(1,2); |  | 
|  28     INSERT INTO t1 VALUES(1,2); |  | 
|  29     INSERT INTO t1 VALUES(2,1); |  | 
|  30     INSERT INTO t1 VALUES(2,2); |  | 
|  31     INSERT INTO t1 VALUES(2,3); |  | 
|  32   } -sqlbody { |  | 
|  33     UPDATE t1 SET x=1 ORDER BY y LIMIT 2 OFFSET 2; |  | 
|  34     UPDATE t1 SET x=2 WHERE y=1 ORDER BY y LIMIT 2 OFFSET 2; |  | 
|  35     DELETE FROM t1 WHERE x=1 ORDER BY y LIMIT 2 OFFSET 2; |  | 
|  36     DELETE FROM t1 ORDER BY y LIMIT 2 OFFSET 2; |  | 
|  37   } |  | 
|  38  |  | 
|  39 } |  | 
|  40  |  | 
|  41 # ticket #3467 |  | 
|  42 do_malloc_test mallocJ-2 -sqlprep { |  | 
|  43   CREATE TABLE t1(a,b); |  | 
|  44   INSERT INTO t1 VALUES(1,2); |  | 
|  45   PRAGMA vdbe_trace=ON; |  | 
|  46 } -sqlbody { |  | 
|  47   SELECT a, b, 'abc' FROM t1 |  | 
|  48     UNION |  | 
|  49     SELECT b, a, 'xyz' FROM t1 |  | 
|  50     ORDER BY 2, 3; |  | 
|  51 } |  | 
|  52  |  | 
|  53 # ticket #3478 |  | 
|  54 do_malloc_test mallocJ-3 -sqlbody { |  | 
|  55   EXPLAIN COMMIT |  | 
|  56 } |  | 
|  57  |  | 
|  58 # ticket #3485 |  | 
|  59 do_malloc_test mallocJ-4 -sqlprep { |  | 
|  60   CREATE TABLE t1(a,b,c); |  | 
|  61   CREATE TABLE t2(x,y,z); |  | 
|  62 } -sqlbody { |  | 
|  63   SELECT * FROM (SELECT a,b FROM t1 UNION ALL SELECT x, y FROM t2) ORDER BY 1 |  | 
|  64 } |  | 
|  65  |  | 
|  66 # coverage testing |  | 
|  67 do_malloc_test mallocJ-5 -sqlprep { |  | 
|  68   CREATE TABLE t1(["a"]); |  | 
|  69 } -sqlbody { |  | 
|  70   SELECT * FROM t1 |  | 
|  71 } |  | 
|  72  |  | 
|  73 finish_test |  | 
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