database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-09 14:21:03 +03:00
Code Activity

In-progress changes - do not use; Removed prefix support; Added file control interface to enable/disable and adjust chunk size;

Browse Source 
added app-def function for same;

FossilOrigin-Name: bc02d0c193225bd49a8d8a3295aeac752d3c2e30
This commit is contained in:
shaneh
2011-03-29 05:06:46 +00:00
parent d9523b97ec
commit d50deeeb7a
5 changed files with 263 additions and 177 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
src/test_multiplex.h Normal file
View File

@@ -0,0 +1,48 @@
/*
** 2011 March 18
**
** The author disclaims copyright to this source code. In place of
** a legal notice, here is a blessing:
**
** May you do good and not evil.
** May you find forgiveness for yourself and forgive others.
** May you share freely, never taking more than you give.
**
*************************************************************************
**
** This file contains a VFS "shim" - a layer that sits in between the
** pager and the real VFS.
**
** This particular shim enforces a multiplex system on DB files.
** This shim shards/partitions a single DB file into smaller
** "chunks" such that the total DB file size may exceed the maximum
** file size of the underlying file system.
**
*/
#ifndef _TEST_MULTIPLEX_H
#define _TEST_MULTIPLEX_H
/*
** CAPI: File-control Operations Supported by Multiplex VFS
**
** Values interpreted by the xFileControl method of a Multiplex VFS db file-handle.
**
** MULTIPLEX_CTRL_ENABLE:
** This file control is used to enable or disable the multiplex
** shim.
**
** MULTIPLEX_CTRL_SET_CHUNK_SIZE:
** This file control is used to set the maximum allowed chunk
** size for a multiplex file set.
**
** MULTIPLEX_CTRL_SET_MAX_CHUNKS:
** This file control is used to set the maximum number of chunks
** allowed to be used for a mutliplex file set.
*/
#define MULTIPLEX_CTRL_ENABLE 214014
#define MULTIPLEX_CTRL_SET_CHUNK_SIZE 214015
#define MULTIPLEX_CTRL_SET_MAX_CHUNKS 214016
#endif