database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-08-08 14:02:16 +03:00
Code Activity

Make sure the default page size never exceeds the maximum page size. (CVS 4525)

Browse Source 
FossilOrigin-Name: 9c2731f143d52f8bf27f309612c38a1be22e3019
This commit is contained in:
drh
2007-11-05 14:30:22 +00:00
parent d949fd3b34
commit f54cc03585
3 changed files with 26 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
src/sqliteLimit.h
View File

@@ -12,7 +12,7 @@
**
** This file defines various limits of what SQLite can process.
**
** @(#) $Id: sqliteLimit.h,v 1.2 2007/08/24 11:52:29 danielk1977 Exp $
** @(#) $Id: sqliteLimit.h,v 1.3 2007/11/05 14:30:23 drh Exp $
*/
/*
@@ -123,12 +123,25 @@
# define SQLITE_MAX_VARIABLE_NUMBER 999
#endif
/* Maximum page size. The upper bound on this value is 32768. This a limit
** imposed by the necessity of storing the value in a 2-byte unsigned integer
** and the fact that the page size must be a power of 2.
*/
#ifndef SQLITE_MAX_PAGE_SIZE
# define SQLITE_MAX_PAGE_SIZE 32768
#endif
/*
** The default size of a database page.
*/
#ifndef SQLITE_DEFAULT_PAGE_SIZE
# define SQLITE_DEFAULT_PAGE_SIZE 1024
#endif
#if SQLITE_DEFAULT_PAGE_SIZE>SQLITE_MAX_PAGE_SIZE
# undef SQLITE_DEFAULT_PAGE_SIZE
# define SQLITE_DEFAULT_PAGE_SIZE SQLITE_MAX_PAGE_SIZE
#endif
/*
** Ordinarily, if no value is explicitly provided, SQLite creates databases
@@ -140,15 +153,12 @@
#ifndef SQLITE_MAX_DEFAULT_PAGE_SIZE
# define SQLITE_MAX_DEFAULT_PAGE_SIZE 8192
#endif
/* Maximum page size. The upper bound on this value is 32768. This a limit
** imposed by the necessity of storing the value in a 2-byte unsigned integer
** and the fact that the page size must be a power of 2.
*/
#ifndef SQLITE_MAX_PAGE_SIZE
# define SQLITE_MAX_PAGE_SIZE 32768
#if SQLITE_MAX_DEFAULT_PAGE_SIZE>SQLITE_MAX_PAGE_SIZE
# undef SQLITE_MAX_DEFAULT_PAGE_SIZE
# define SQLITE_MAX_DEFAULT_PAGE_SIZE SQLITE_MAX_PAGE_SIZE
#endif
/*
** Maximum number of pages in one database file.
**