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Change some variable names and comments in the new in-memory database file

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implementation.  Partial (non-working) implementation of the VACUUM command. (CVS 904)

FossilOrigin-Name: e76787f877c456abdc8bc88bfefc50eaeed68744
This commit is contained in:
drh
2003-04-15 01:19:47 +00:00
parent b0208ccaa3
commit 13bff81537
9 changed files with 298 additions and 72 deletions
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33
src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.171 2003/04/13 18:26:52 paul Exp $
** @(#) $Id: sqliteInt.h,v 1.172 2003/04/15 01:19:49 drh Exp $
*/
#include "config.h"
#include "sqlite.h"
@@ -65,6 +65,30 @@
*/
#define MAX_ATTACHED 10
/*
** The next macro is used to determine where TEMP tables and indices
** are stored. Possible values:
**
** 0 Always use a temporary files
** 1 Use a file unless overridden by "PRAGMA temp_store"
** 2 Use memory unless overridden by "PRAGMA temp_store"
** 3 Always use memory
*/
#ifndef TEMP_STORE
# define TEMP_STORE 1
#endif
/*
** When building SQLite for embedded systems where memory is scarce,
** you can define one or more of the following macros to omit extra
** features of the library and thus keep the size of the library to
** a minimum.
*/
/* #define SQLITE_OMIT_AUTHORIZATION 1 */
#define SQLITE_OMIT_INMEMORYDB 1
/* #define SQLITE_OMIT_TRACE 1 */
/* #define SQLITE_OMIT_VACUUM 1 */
/*
** Integers of known sizes. These typedefs might change for architectures
** where the sizes very. Preprocessor macros are available so that the
@@ -230,6 +254,11 @@ struct Db {
** file_format==3 Version 2.6.0. Fix empty-string index bug.
** file_format==4 Version 2.7.0. Add support for separate numeric and
** text datatypes.
**
** The sqlite.temp_store determines where temporary database files
** are stored. If 1, then a file is created to hold those tables. If
** 2, then they are held in memory. 0 means use the default value in
** the TEMP_STORE macro.
*/
struct sqlite {
int nDb; /* Number of backends currently in use */
@@ -241,7 +270,7 @@ struct sqlite {
u8 want_to_close; /* Close after all VDBEs are deallocated */
int next_cookie; /* Next value of aDb[0].schema_cookie */
int cache_size; /* Number of pages to use in the cache */
int tmpdb_loc; /* Temp DB loc */
int temp_store; /* 1=file, 2=memory, 0=compile-time default */
int nTable; /* Number of tables in the database */
void *pBusyArg; /* 1st Argument to the busy callback */
int (*xBusyCallback)(void *,const char*,int); /* The busy callback */