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| author | drh <drh@noemail.net> | 2013-03-25 23:09:28 +0000 |
|---|---|---|
| committer | drh <drh@noemail.net> | 2013-03-25 23:09:28 +0000 |
| commit | 0d0614bdc6e59c1cb52bc79fdf8dafbbc78f57f9 (patch) | |
| tree | 409fd2a1a127c4019c63da08d0d182db3d76a9be /src/sqliteLimit.h | |
| parent | d1ab8065c1039db43eb413702cafb3baa500d69a (diff) | |
| download | sqlite-0d0614bdc6e59c1cb52bc79fdf8dafbbc78f57f9.tar.gz sqlite-0d0614bdc6e59c1cb52bc79fdf8dafbbc78f57f9.zip | |
Memory-mapped I/O is now on by default. The "PRAGMA mmap_limit(N)" can be
used to issue a hint to the VFS to limit mmap space to N bytes. The VFS
is free to ignore that hint if desired. However, if "PRAGMA mmap_limit(0)"
is used, xFetch is never called.
FossilOrigin-Name: 1b37c4effdd03aa2ea938a71b4f22ed27391689b
Diffstat (limited to 'src/sqliteLimit.h')
| -rw-r--r-- | src/sqliteLimit.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/sqliteLimit.h b/src/sqliteLimit.h index c7aee53ce..201313945 100644 --- a/src/sqliteLimit.h +++ b/src/sqliteLimit.h @@ -206,3 +206,10 @@ #ifndef SQLITE_MAX_TRIGGER_DEPTH # define SQLITE_MAX_TRIGGER_DEPTH 1000 #endif + +/* +** Default maximum size of memory used by xFetch in the VFS. +*/ +#ifndef SQLITE_DEFAULT_MMAP_LIMIT +# define SQLITE_DEFAULT_MMAP_LIMIT (256*1024*1024) +#endif |