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Add the Bitvec object for tracking which pages have been journalled.

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This reduces memory consumption and runs faster than the bitmap approach
it replaced. (CVS 4794)

FossilOrigin-Name: 7c57bdbcdb84d95419ec7029d2e13c593854a8d8
This commit is contained in:
drh
2008-02-18 14:47:33 +00:00
parent 2d7636e212
commit f5e7bb513c
9 changed files with 591 additions and 80 deletions
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9
src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.662 2008/02/14 23:26:56 drh Exp $
** @(#) $Id: sqliteInt.h,v 1.663 2008/02/18 14:47:34 drh Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_
@@ -363,6 +363,7 @@ struct BusyHandler {
*/
typedef struct AggInfo AggInfo;
typedef struct AuthContext AuthContext;
typedef struct Bitvec Bitvec;
typedef struct CollSeq CollSeq;
typedef struct Column Column;
typedef struct Db Db;
@@ -1759,6 +1760,12 @@ void sqlite3AddDefaultValue(Parse*,Expr*);
void sqlite3AddCollateType(Parse*, Token*);
void sqlite3EndTable(Parse*,Token*,Token*,Select*);
Bitvec *sqlite3BitvecCreate(u32);
int sqlite3BitvecTest(Bitvec*, u32);
int sqlite3BitvecSet(Bitvec*, u32);
void sqlite3BitvecClear(Bitvec*, u32);
void sqlite3BitvecDestroy(Bitvec*);
void sqlite3CreateView(Parse*,Token*,Token*,Token*,Select*,int,int);
#if !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_VIRTUALTABLE)