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| Rev | Author | Line No. | Line |
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| 1 | office | 1 | # 2009 June 17 |
| 2 | # |
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| 3 | # The author disclaims copyright to this source code. In place of |
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| 4 | # a legal notice, here is a blessing: |
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| 5 | # |
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| 6 | # May you do good and not evil. |
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| 7 | # May you find forgiveness for yourself and forgive others. |
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| 8 | # May you share freely, never taking more than you give. |
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| 9 | # |
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| 10 | #*********************************************************************** |
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| 11 | # |
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| 12 | # $Id: tkt3918.test,v 1.1 2009/06/17 11:13:28 danielk1977 Exp $ |
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| 13 | |||
| 14 | set testdir [file dirname $argv0] |
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| 15 | source $testdir/tester.tcl |
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| 16 | |||
| 17 | do_test tkt3918.1 { |
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| 18 | execsql { |
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| 19 | PRAGMA page_size = 1024; |
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| 20 | PRAGMA auto_vacuum = incremental; |
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| 21 | CREATE TABLE t1(i, x); |
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| 22 | } |
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| 23 | } {} |
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| 24 | do_test tkt3918.2 { |
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| 25 | execsql { |
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| 26 | INSERT INTO t1 VALUES(1, randstr(1000,1000)); |
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| 27 | INSERT INTO t1 VALUES(2, zeroblob(248*1020 + 100)); |
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| 28 | INSERT INTO t1 VALUES(3, zeroblob(2*1020 + 100)); |
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| 29 | } |
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| 30 | } {} |
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| 31 | |||
| 32 | # This set of statements sets up the free list so that the |
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| 33 | # first free-list trunk page contains only a single leaf. |
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| 34 | # The leaf page is also the last page in the database. The |
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| 35 | # second free-list trunk page contains, amongst other things, |
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| 36 | # page number 4. |
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| 37 | do_test tkt3918.3 { |
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| 38 | execsql { |
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| 39 | DELETE FROM t1 WHERE i = 2; |
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| 40 | DELETE FROM t1 WHERE i = 1; |
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| 41 | DELETE FROM t1 WHERE i = 3; |
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| 42 | } |
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| 43 | } {} |
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| 44 | |||
| 45 | # Incrementally vacuum the database to reduce its size by a single |
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| 46 | # page. This will remove the single leaf from the first page in |
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| 47 | # the linked list of free-list trunk pages. |
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| 48 | do_test tkt3918.4 { |
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| 49 | execsql { PRAGMA incremental_vacuum = 1 } |
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| 50 | } {} |
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| 51 | |||
| 52 | # Create another table. This operation will attempt to extract |
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| 53 | # page 4 from the database free-list. Bug 3918 caused sqlite to |
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| 54 | # incorrectly report corruption here. |
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| 55 | do_test tkt3918.5 { |
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| 56 | execsql { CREATE TABLE t2(a, b) } |
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| 57 | } {} |
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| 58 | |||
| 59 | finish_test |
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| 60 |