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Overview
Comment: | In windows, always open files using FILE_FLAG_RANDOM_ACCESS. Ticket #2699. (CVS 4476) |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
5cdbc0972fe94c13dffee1f908a77f90 |
User & Date: | drh 2007-10-08 12:21:11.000 |
Context
2007-10-08
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12:22 | Fix a bug in code for winCE. Ticket #2700. (CVS 4477) (check-in: a36fca4cde user: drh tags: trunk) | |
12:21 | In windows, always open files using FILE_FLAG_RANDOM_ACCESS. Ticket #2699. (CVS 4476) (check-in: 5cdbc0972f user: drh tags: trunk) | |
2007-10-06
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01:40 | Fix a memory leak in the sqlite3_realloc() implementation of the non-debugging memory allocator. (CVS 4475) (check-in: 7e9b886dab user: drh tags: trunk) | |
Changes
Changes to src/os_win.c.
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1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 | | SQLITE_OPEN_SUBJOURNAL) ){ dwFlagsAndAttributes = FILE_ATTRIBUTE_TEMPORARY | FILE_ATTRIBUTE_HIDDEN | FILE_FLAG_DELETE_ON_CLOSE; }else{ dwFlagsAndAttributes = FILE_ATTRIBUTE_NORMAL; } if( flags & (SQLITE_OPEN_MAIN_DB | SQLITE_OPEN_TEMP_DB) ){ dwFlagsAndAttributes |= FILE_FLAG_RANDOM_ACCESS; }else{ dwFlagsAndAttributes |= FILE_FLAG_SEQUENTIAL_SCAN; } if( isNT() ){ h = CreateFileW((WCHAR*)zConverted, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, | > > > > > > | 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 | | SQLITE_OPEN_SUBJOURNAL) ){ dwFlagsAndAttributes = FILE_ATTRIBUTE_TEMPORARY | FILE_ATTRIBUTE_HIDDEN | FILE_FLAG_DELETE_ON_CLOSE; }else{ dwFlagsAndAttributes = FILE_ATTRIBUTE_NORMAL; } #if 0 if( flags & (SQLITE_OPEN_MAIN_DB | SQLITE_OPEN_TEMP_DB) ){ dwFlagsAndAttributes |= FILE_FLAG_RANDOM_ACCESS; }else{ dwFlagsAndAttributes |= FILE_FLAG_SEQUENTIAL_SCAN; } #else /* Reports from the internet are that performance is always ** better if FILE_FLAG_RANDOM_ACCESS is used. Ticket #2699. */ dwFlagsAndAttributes |= FILE_FLAG_RANDOM_ACCESS; #endif if( isNT() ){ h = CreateFileW((WCHAR*)zConverted, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, |
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