database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-11-18 10:21:03 +03:00
Code Activity

Registerification of the VDBE is complete. The operand stack has been

Browse Source 
removed from the code.  All instructions operate out of registers only. (CVS 4718)

FossilOrigin-Name: 706b41b70bd1e2030e6fa44358c38a26c5cf0985
This commit is contained in:
drh
2008-01-17 16:22:13 +00:00
parent 07a518ebf6
commit 9cbf3425fb
20 changed files with 394 additions and 680 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
src/build.c
View File

@@ -22,7 +22,7 @@
** COMMIT
** ROLLBACK
**
** $Id: build.c,v 1.466 2008/01/17 02:36:28 drh Exp $
** $Id: build.c,v 1.467 2008/01/17 16:22:15 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -1277,9 +1277,13 @@ CollSeq *sqlite3LocateCollSeq(Parse *pParse, const char *zName, int nName){
** and the probability of hitting the same cookie value is only
** 1 chance in 2^32. So we're safe enough.
*/
void sqlite3ChangeCookie(sqlite3 *db, Vdbe *v, int iDb){
sqlite3VdbeAddOp2(v, OP_Integer, db->aDb[iDb].pSchema->schema_cookie+1, 0);
sqlite3VdbeAddOp2(v, OP_SetCookie, iDb, 0);
void sqlite3ChangeCookie(Parse *pParse, int iDb){
int r1 = sqlite3GetTempReg(pParse);
sqlite3 *db = pParse->db;
Vdbe *v = pParse->pVdbe;
sqlite3VdbeAddOp2(v, OP_Integer, db->aDb[iDb].pSchema->schema_cookie+1, r1);
sqlite3VdbeAddOp3(v, OP_SetCookie, iDb, 0, r1);
sqlite3ReleaseTempReg(pParse, r1);
}
/*
@@ -1544,7 +1548,7 @@ void sqlite3EndTable(
pParse->regRowid
);
sqlite3_free(zStmt);
sqlite3ChangeCookie(db, v, iDb);
sqlite3ChangeCookie(pParse, iDb);
#ifndef SQLITE_OMIT_AUTOINCREMENT
/* Check to see if we need to create an sqlite_sequence table for
@@ -2066,7 +2070,7 @@ void sqlite3DropTable(Parse *pParse, SrcList *pName, int isView, int noErr){
sqlite3VdbeAddOp4(v, OP_VDestroy, iDb, 0, 0, pTab->zName, 0);
}
sqlite3VdbeAddOp4(v, OP_DropTable, iDb, 0, 0, pTab->zName, 0);
sqlite3ChangeCookie(db, v, iDb);
sqlite3ChangeCookie(pParse, iDb);
}
sqliteViewResetAll(db, iDb);
@@ -2688,7 +2692,7 @@ void sqlite3CreateIndex(
*/
if( pTblName ){
sqlite3RefillIndex(pParse, pIndex, iMem);
sqlite3ChangeCookie(db, v, iDb);
sqlite3ChangeCookie(pParse, iDb);
sqlite3VdbeAddOp4(v, OP_ParseSchema, iDb, 0, 0,
sqlite3MPrintf(db, "name='%q'", pIndex->zName), P4_DYNAMIC);
sqlite3VdbeAddOp1(v, OP_Expire, 0);
@@ -2840,7 +2844,7 @@ void sqlite3DropIndex(Parse *pParse, SrcList *pName, int ifExists){
db->aDb[iDb].zName, SCHEMA_TABLE(iDb),
pIndex->zName
);
sqlite3ChangeCookie(db, v, iDb);
sqlite3ChangeCookie(pParse, iDb);
destroyRootPage(pParse, pIndex->tnum, iDb);
sqlite3VdbeAddOp4(v, OP_DropIndex, iDb, 0, 0, pIndex->zName, 0);
}