SQLite

Check-in [4881f7cb37]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:Throw an error on an attempt to open a database where the page size is larger than SQLITE_MAX_PAGE_SIZE. Ticket #2628. (CVS 4411)
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 4881f7cb37e35dcf5da358464ac858a508128e47
User & Date: drh 2007-09-06 23:39:37.000
Context
2007-09-07
01:12
Modify the CLI so that it will ignore whitespace at the end of lines. Ticket #2631 (CVS 4412) (check-in: f780a17f4b user: drh tags: trunk)
2007-09-06
23:39
Throw an error on an attempt to open a database where the page size is larger than SQLITE_MAX_PAGE_SIZE. Ticket #2628. (CVS 4411) (check-in: 4881f7cb37 user: drh tags: trunk)
23:28
Base the name of the statement journal on the original database filename. Remember the statement journal name for the lifetime of the Pager so that the name pointer passed to xOpen persists as long as the file exists. (CVS 4410) (check-in: 44d8d1e92d user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/btree.c. 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19

/*
** 2004 April 6
**
** 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.
**
*************************************************************************
** $Id: btree.c,v 1.423 2007/09/06 22:19:15 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** See the header comment on "btreeInt.h" for additional information.
** Including a description of file format and an overview of operation.
*/
#include "btreeInt.h"













|








1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19

/*
** 2004 April 6
**
** 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.
**
*************************************************************************
** $Id: btree.c,v 1.424 2007/09/06 23:39:37 drh Exp $
**
** This file implements a external (disk-based) database using BTrees.
** See the header comment on "btreeInt.h" for additional information.
** Including a description of file format and an overview of operation.
*/
#include "btreeInt.h"
︙︙
1643
1644
1645
1646
1647
1648
1649
1650


1651
1652
1653
1654
1655
1656
1657

    if( page1[18]>1 ){
      pBt->readOnly = 1;
    }
    if( page1[19]>1 ){
      goto page1_init_failed;
    }
    pageSize = get2byte(&page1[16]);
    if( ((pageSize-1)&pageSize)!=0 || pageSize<512 ){


      goto page1_init_failed;
    }
    assert( (pageSize & 7)==0 );
    pBt->pageSize = pageSize;
    pBt->usableSize = pageSize - page1[20];
    if( pBt->usableSize<500 ){
      goto page1_init_failed;








|
>
>








1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659

    if( page1[18]>1 ){
      pBt->readOnly = 1;
    }
    if( page1[19]>1 ){
      goto page1_init_failed;
    }
    pageSize = get2byte(&page1[16]);
    if( ((pageSize-1)&pageSize)!=0 || pageSize<512 ||
        (SQLITE_MAX_PAGE_SIZE<32768 && pageSize>SQLITE_MAX_PAGE_SIZE)
    ){
      goto page1_init_failed;
    }
    assert( (pageSize & 7)==0 );
    pBt->pageSize = pageSize;
    pBt->usableSize = pageSize - page1[20];
    if( pBt->usableSize<500 ){
      goto page1_init_failed;
︙︙
Changes to test/sqllimits1.test.
︙︙
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# This file contains tests to verify that the limits defined in
# sqlite source file limits.h are enforced.
#
# $Id: sqllimits1.test,v 1.17 2007/09/03 18:01:25 danielk1977 Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# Test organization:
#
#     sqllimits-1.*:  SQLITE_MAX_LENGTH








|








8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# This file contains tests to verify that the limits defined in
# sqlite source file limits.h are enforced.
#
# $Id: sqllimits1.test,v 1.18 2007/09/06 23:39:37 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# Test organization:
#
#     sqllimits-1.*:  SQLITE_MAX_LENGTH
︙︙
499
500
501
502
503
504
505






















506
507
508
509
510
511
512

  execsql "pragma page_size"
} $::SQLITE_MAX_PAGE_SIZE
do_test sqllimits-1.10.5 {
  set max $::SQLITE_MAX_PAGE_SIZE
  execsql "pragma page_size = [expr {$max - 5}]"
  execsql "pragma page_size"
} $::SQLITE_MAX_PAGE_SIZE























#--------------------------------------------------------------------
# Test cases sqllimits-11.* verify that the 
# SQLITE_MAX_LIKE_PATTERN_LENGTH limit is enforced. This limit only
# applies to the built-in LIKE operator, supplying an external 
# implementation by overriding the like() scalar function bypasses
# this limitation.








>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>








499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534

  execsql "pragma page_size"
} $::SQLITE_MAX_PAGE_SIZE
do_test sqllimits-1.10.5 {
  set max $::SQLITE_MAX_PAGE_SIZE
  execsql "pragma page_size = [expr {$max - 5}]"
  execsql "pragma page_size"
} $::SQLITE_MAX_PAGE_SIZE

# Opening a database where the page size is too large should generate
# an error.
#
do_test sqllimits-1.10.5 {
  db close
  file delete -force test.db
  set ::SQLITE_MAX_PAGE_SIZE 32768
  sqlite3 db test.db
  db eval {PRAGMA page_size=32768}
  db eval {CREATE TABLE t1(x);}
  db eval {PRAGMA page_size}
} {32768}
do_test sqllimits-1.10.6 {
  db close
  set ::SQLITE_MAX_PAGE_SIZE 8192
  sqlite3 db test.db
  catchsql {SELECT name FROM sqlite_master}
} {1 {file is encrypted or is not a database}}
db close
file delete -force test.db
sqlite3 db test.db

#--------------------------------------------------------------------
# Test cases sqllimits-11.* verify that the 
# SQLITE_MAX_LIKE_PATTERN_LENGTH limit is enforced. This limit only
# applies to the built-in LIKE operator, supplying an external 
# implementation by overriding the like() scalar function bypasses
# this limitation.
︙︙