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Overview
Comment: | Make sure the default page size never exceeds the maximum page size. (CVS 4525) |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
9c2731f143d52f8bf27f309612c38a1b |
User & Date: | drh 2007-11-05 14:30:23.000 |
Context
2007-11-05
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14:58 | Fix a bug in the misc1 test script. (CVS 4526) (check-in: fa16996d99 user: drh tags: trunk) | |
14:30 | Make sure the default page size never exceeds the maximum page size. (CVS 4525) (check-in: 9c2731f143 user: drh tags: trunk) | |
12:46 | Use malloc to obtain space for sqlite3_aggregate_context(). Ticket #2751. (CVS 4524) (check-in: bf75058f57 user: danielk1977 tags: trunk) | |
Changes
Changes to src/sqliteLimit.h.
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8 9 10 11 12 13 14 | ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** ** This file defines various limits of what SQLite can process. ** | | | 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** ** This file defines various limits of what SQLite can process. ** ** @(#) $Id: sqliteLimit.h,v 1.3 2007/11/05 14:30:23 drh Exp $ */ /* ** The maximum length of a TEXT or BLOB in bytes. This also ** limits the size of a row in a table or index. ** ** The hard limit is the ability of a 32-bit signed integer |
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118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 | /* ** The maximum value of a ?nnn wildcard that the parser will accept. */ #ifndef SQLITE_MAX_VARIABLE_NUMBER # define SQLITE_MAX_VARIABLE_NUMBER 999 #endif /* ** The default size of a database page. */ #ifndef SQLITE_DEFAULT_PAGE_SIZE # define SQLITE_DEFAULT_PAGE_SIZE 1024 #endif /* ** Ordinarily, if no value is explicitly provided, SQLite creates databases ** with page size SQLITE_DEFAULT_PAGE_SIZE. However, based on certain ** device characteristics (sector-size and atomic write() support), ** SQLite may choose a larger value. This constant is the maximum value ** SQLite will choose on it's own. */ #ifndef SQLITE_MAX_DEFAULT_PAGE_SIZE # define SQLITE_MAX_DEFAULT_PAGE_SIZE 8192 #endif | > > > > > > > > > > > > > | < < < < | | > | 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 | /* ** The maximum value of a ?nnn wildcard that the parser will accept. */ #ifndef SQLITE_MAX_VARIABLE_NUMBER # 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 ** with page size SQLITE_DEFAULT_PAGE_SIZE. However, based on certain ** device characteristics (sector-size and atomic write() support), ** SQLite may choose a larger value. This constant is the maximum value ** SQLite will choose on it's own. */ #ifndef SQLITE_MAX_DEFAULT_PAGE_SIZE # define SQLITE_MAX_DEFAULT_PAGE_SIZE 8192 #endif #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. ** ** This is really just the default value for the max_page_count pragma. ** This value can be lowered (or raised) at run-time using that the ** max_page_count macro. |
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