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1 # 2005 August 24 | |
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 # This file implements regression tests for SQLite library. The | |
12 # focus of this script is a test of the DELETE command where a | |
13 # large number of rows are deleted. | |
14 # | |
15 | |
16 set testdir [file dirname $argv0] | |
17 source $testdir/tester.tcl | |
18 | |
19 # Create a table that contains a large number of rows. | |
20 # | |
21 do_test delete3-1.1 { | |
22 execsql { | |
23 CREATE TABLE t1(x integer primary key); | |
24 BEGIN; | |
25 INSERT INTO t1 VALUES(1); | |
26 INSERT INTO t1 VALUES(2); | |
27 INSERT INTO t1 SELECT x+2 FROM t1; | |
28 INSERT INTO t1 SELECT x+4 FROM t1; | |
29 INSERT INTO t1 SELECT x+8 FROM t1; | |
30 INSERT INTO t1 SELECT x+16 FROM t1; | |
31 INSERT INTO t1 SELECT x+32 FROM t1; | |
32 INSERT INTO t1 SELECT x+64 FROM t1; | |
33 INSERT INTO t1 SELECT x+128 FROM t1; | |
34 INSERT INTO t1 SELECT x+256 FROM t1; | |
35 INSERT INTO t1 SELECT x+512 FROM t1; | |
36 INSERT INTO t1 SELECT x+1024 FROM t1; | |
37 INSERT INTO t1 SELECT x+2048 FROM t1; | |
38 INSERT INTO t1 SELECT x+4096 FROM t1; | |
39 INSERT INTO t1 SELECT x+8192 FROM t1; | |
40 INSERT INTO t1 SELECT x+16384 FROM t1; | |
41 INSERT INTO t1 SELECT x+32768 FROM t1; | |
42 INSERT INTO t1 SELECT x+65536 FROM t1; | |
43 INSERT INTO t1 SELECT x+131072 FROM t1; | |
44 INSERT INTO t1 SELECT x+262144 FROM t1; | |
45 COMMIT; | |
46 SELECT count(*) FROM t1; | |
47 } | |
48 } {524288} | |
49 do_test delete3-1.2 { | |
50 execsql { | |
51 DELETE FROM t1 WHERE x%2==0; | |
52 SELECT count(*) FROM t1; | |
53 } | |
54 } {262144} | |
55 integrity_check delete3-1.3 | |
56 | |
57 finish_test | |
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