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Registerification of the WHERE clause logic. (CVS 4716)

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FossilOrigin-Name: b3a141b2b0c09bf3c7704deeade290d71b7c9b77
This commit is contained in:
drh
2008-01-17 02:36:28 +00:00
parent 24acd8f939
commit 1db639cef3
18 changed files with 227 additions and 301 deletions
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22
src/build.c
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@@ -22,7 +22,7 @@
** COMMIT
** ROLLBACK
**
** $Id: build.c,v 1.465 2008/01/12 21:35:57 drh Exp $
** $Id: build.c,v 1.466 2008/01/17 02:36:28 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -2215,7 +2215,7 @@ void sqlite3DeferForeignKey(Parse *pParse, int isDeferred){
** content of an index in response to a REINDEX command.
**
** if memRootPage is not negative, it means that the index is newly
** created. The memory cell specified by memRootPage contains the
** created. The register specified by memRootPage contains the
** root page number of the index. If memRootPage is negative, then
** the index already exists and must be cleared before being refilled and
** the root page number of the index is taken from pIndex->tnum.
@@ -2246,8 +2246,7 @@ static void sqlite3RefillIndex(Parse *pParse, Index *pIndex, int memRootPage){
v = sqlite3GetVdbe(pParse);
if( v==0 ) return;
if( memRootPage>=0 ){
sqlite3VdbeAddOp1(v, OP_SCopy, memRootPage);
tnum = 0;
tnum = memRootPage;
}else{
tnum = pIndex->tnum;
sqlite3VdbeAddOp2(v, OP_Clear, tnum, iDb);
@@ -2736,12 +2735,17 @@ void sqlite3MinimumFileFormat(Parse *pParse, int iDb, int minFormat){
Vdbe *v;
v = sqlite3GetVdbe(pParse);
if( v ){
sqlite3VdbeAddOp3(v, OP_ReadCookie, iDb, 0, 1);
int r1 = sqlite3GetTempReg(pParse);
int r2 = sqlite3GetTempReg(pParse);
int j1;
sqlite3VdbeAddOp3(v, OP_ReadCookie, iDb, r1, 1);
sqlite3VdbeUsesBtree(v, iDb);
sqlite3VdbeAddOp1(v, OP_Integer, minFormat);
sqlite3VdbeAddOp2(v, OP_Ge, 0, sqlite3VdbeCurrentAddr(v)+3);
sqlite3VdbeAddOp1(v, OP_Integer, minFormat);
sqlite3VdbeAddOp2(v, OP_SetCookie, iDb, 1);
sqlite3VdbeAddOp2(v, OP_Integer, minFormat, r2);
j1 = sqlite3VdbeAddOp3(v, OP_Ge, r2, 0, r1);
sqlite3VdbeAddOp3(v, OP_SetCookie, iDb, 1, r2);
sqlite3VdbeJumpHere(v, j1);
sqlite3ReleaseTempReg(pParse, r1);
sqlite3ReleaseTempReg(pParse, r2);
}
}