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Overview
| Comment: | In windows, always open files using FILE_FLAG_RANDOM_ACCESS. Ticket #2699. (CVS 4476) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
5cdbc0972fe94c13dffee1f908a77f90 |
| User & Date: | drh 2007-10-08 12:21:11 |
Context
|
2007-10-08
| ||
| 12:22 | Fix a bug in code for winCE. Ticket #2700. (CVS 4477) check-in: a36fca4c user: drh tags: trunk | |
| 12:21 | In windows, always open files using FILE_FLAG_RANDOM_ACCESS. Ticket #2699. (CVS 4476) check-in: 5cdbc097 user: drh tags: trunk | |
|
2007-10-06
| ||
| 01:40 | Fix a memory leak in the sqlite3_realloc() implementation of the non-debugging memory allocator. (CVS 4475) check-in: 7e9b886d user: drh tags: trunk | |
Changes
Changes to src/os_win.c.
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| 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,
|