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mirror of https://github.com/sqlite/sqlite.git synced 2025-08-05 15:55:57 +03:00

Additional minor speed improvements. (CVS 1496)

FossilOrigin-Name: a90264c0a4c73097fe0ae8933dcebb15b8eaa2bb
This commit is contained in:
drh
2004-05-30 02:14:17 +00:00
parent 696b32fa4e
commit 3a41a3fe66
5 changed files with 18 additions and 25 deletions

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@@ -1,5 +1,5 @@
C Faster\sversion\sof\ssqlite3VdbeSerialGet.\s(CVS\s1495) C Additional\sminor\sspeed\simprovements.\s(CVS\s1496)
D 2004-05-30T01:51:52 D 2004-05-30T02:14:18
F Makefile.in ab7b0d5118e2da97bac66be8684a1034e3500f5a F Makefile.in ab7b0d5118e2da97bac66be8684a1034e3500f5a
F Makefile.linux-gcc b86a99c493a5bfb402d1d9178dcdc4bd4b32f906 F Makefile.linux-gcc b86a99c493a5bfb402d1d9178dcdc4bd4b32f906
F README f1de682fbbd94899d50aca13d387d1b3fd3be2dd F README f1de682fbbd94899d50aca13d387d1b3fd3be2dd
@@ -24,7 +24,7 @@ F sqlite.def fc4f5734786fe4743cfe2aa98eb2da4b089edb5f
F sqlite.pc.in 30552343140c53304c2a658c080fbe810cd09ca2 F sqlite.pc.in 30552343140c53304c2a658c080fbe810cd09ca2
F src/attach.c c315c58cb16fd6e913b3bfa6412aedecb4567fa5 F src/attach.c c315c58cb16fd6e913b3bfa6412aedecb4567fa5
F src/auth.c 5c2f0bea4729c98c2be3b69d6b466fc51448fe79 F src/auth.c 5c2f0bea4729c98c2be3b69d6b466fc51448fe79
F src/btree.c 3287b359b0dbfef9ffcddfa776e136505f01cd77 F src/btree.c efc15b6c774f4bbba917b6351b5a921bf938fdeb
F src/btree.h b65140b5ae891f30d2a39e64b9f0343225553545 F src/btree.h b65140b5ae891f30d2a39e64b9f0343225553545
F src/build.c fd36c4a603e23df35aa7f57772d965e1865e39e0 F src/build.c fd36c4a603e23df35aa7f57772d965e1865e39e0
F src/date.c 0eb922af5c5f5e2455f8dc2f98023ed3e04a857e F src/date.c 0eb922af5c5f5e2455f8dc2f98023ed3e04a857e
@@ -69,11 +69,11 @@ F src/update.c 259f06e7b22c684b2d3dda54a18185892d6e9573
F src/utf.c f8604999a54483533ac20a63879074f01b0df384 F src/utf.c f8604999a54483533ac20a63879074f01b0df384
F src/util.c 4df9d9b0d930d81ec581bcb68748e7c48bdc8c7d F src/util.c 4df9d9b0d930d81ec581bcb68748e7c48bdc8c7d
F src/vacuum.c 82ce1fc8ecc2e1aa284c13fe38446709f9936c63 F src/vacuum.c 82ce1fc8ecc2e1aa284c13fe38446709f9936c63
F src/vdbe.c c9658279c8d46760afab9714fd988ef052d02b88 F src/vdbe.c 61ac9d19277f63e78f09a62d278218fe936574a4
F src/vdbe.h e73f890e0f2a6c42b183d7d6937947930fe4fdeb F src/vdbe.h e73f890e0f2a6c42b183d7d6937947930fe4fdeb
F src/vdbeInt.h c2bcd6e5a6e6a3753e4c5a368629c3a625719bfc F src/vdbeInt.h c2bcd6e5a6e6a3753e4c5a368629c3a625719bfc
F src/vdbeapi.c 0c5d64c81871cb4fe5407e639604ee95738b6942 F src/vdbeapi.c 0c5d64c81871cb4fe5407e639604ee95738b6942
F src/vdbeaux.c 419f62488256ac083a996893a46d55180347f3c2 F src/vdbeaux.c 9a86cafac031ba04588510c1225fde5cacf85a66
F src/vdbemem.c d5f96663627d54ee8ea47f182c92faa57a015704 F src/vdbemem.c d5f96663627d54ee8ea47f182c92faa57a015704
F src/where.c 444a7c3a8b1eb7bba072e489af628555d21d92a4 F src/where.c 444a7c3a8b1eb7bba072e489af628555d21d92a4
F test/all.test 569a92a8ee88f5300c057cc4a8f50fbbc69a3242 F test/all.test 569a92a8ee88f5300c057cc4a8f50fbbc69a3242
@@ -204,7 +204,7 @@ F www/sqlite.tcl 3c83b08cf9f18aa2d69453ff441a36c40e431604
F www/tclsqlite.tcl b9271d44dcf147a93c98f8ecf28c927307abd6da F www/tclsqlite.tcl b9271d44dcf147a93c98f8ecf28c927307abd6da
F www/vdbe.tcl 9b9095d4495f37697fd1935d10e14c6015e80aa1 F www/vdbe.tcl 9b9095d4495f37697fd1935d10e14c6015e80aa1
F www/whentouse.tcl a8335bce47cc2fddb07f19052cb0cb4d9129a8e4 F www/whentouse.tcl a8335bce47cc2fddb07f19052cb0cb4d9129a8e4
P fcd84ebabca72023e76e6954514948aa9a3ab999 P 80985505fe8ba8e505842dae95d37bf412fc586d
R 3f1817a302e026eaf4a3f04c4eee66ee R 10b9132d18af15ef1d5f5ceb8bf5e09c
U drh U drh
Z 2739751628cd79cb153057eaa6054ddd Z f8c785bf166886d7218d6cb24c0a06d2

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@@ -1 +1 @@
80985505fe8ba8e505842dae95d37bf412fc586d a90264c0a4c73097fe0ae8933dcebb15b8eaa2bb

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@@ -9,7 +9,7 @@
** May you share freely, never taking more than you give. ** May you share freely, never taking more than you give.
** **
************************************************************************* *************************************************************************
** $Id: btree.c,v 1.149 2004/05/29 21:46:49 drh Exp $ ** $Id: btree.c,v 1.150 2004/05/30 02:14:18 drh Exp $
** **
** This file implements a external (disk-based) database using BTrees. ** This file implements a external (disk-based) database using BTrees.
** For a detailed discussion of BTrees, refer to ** For a detailed discussion of BTrees, refer to
@@ -1505,14 +1505,13 @@ static void releaseTempCursor(BtCursor *pCur){
** Using this cache reduces the number of calls to parseCell(). ** Using this cache reduces the number of calls to parseCell().
*/ */
static void getCellInfo(BtCursor *pCur){ static void getCellInfo(BtCursor *pCur){
MemPage *pPage = pCur->pPage;
if( !pCur->infoValid ){ if( !pCur->infoValid ){
parseCell(pPage, pCur->idx, &pCur->info); parseCell(pCur->pPage, pCur->idx, &pCur->info);
pCur->infoValid = 1; pCur->infoValid = 1;
}else{ }else{
#ifndef NDEBUG #ifndef NDEBUG
CellInfo info; CellInfo info;
parseCell(pPage, pCur->idx, &info); parseCell(pCur->pPage, pCur->idx, &info);
assert( memcmp(&info, &pCur->info, sizeof(info))==0 ); assert( memcmp(&info, &pCur->info, sizeof(info))==0 );
#endif #endif
} }

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@@ -43,7 +43,7 @@
** in this file for details. If in doubt, do not deviate from existing ** in this file for details. If in doubt, do not deviate from existing
** commenting and indentation practices when changing or adding code. ** commenting and indentation practices when changing or adding code.
** **
** $Id: vdbe.c,v 1.347 2004/05/29 11:24:50 danielk1977 Exp $ ** $Id: vdbe.c,v 1.348 2004/05/30 02:14:18 drh Exp $
*/ */
#include "sqliteInt.h" #include "sqliteInt.h"
#include "os.h" #include "os.h"
@@ -134,7 +134,8 @@ int sqlite3_interrupt_count = 0;
** stack variables. This routine sets the pMem->enc and pMem->type ** stack variables. This routine sets the pMem->enc and pMem->type
** variables used by the sqlite3_value_*() routines. ** variables used by the sqlite3_value_*() routines.
*/ */
static void StoreTypeInfo(Mem *pMem, u8 db_enc){ #define storeTypeInfo(A,B) _storeTypeInfo(A)
static void _storeTypeInfo(Mem *pMem){
int flags = pMem->flags; int flags = pMem->flags;
if( flags & MEM_Null ){ if( flags & MEM_Null ){
pMem->type = SQLITE3_NULL; pMem->type = SQLITE3_NULL;
@@ -669,7 +670,6 @@ case OP_Integer: {
if( pOp->p3==0 ){ if( pOp->p3==0 ){
pTos->flags = MEM_Int; pTos->flags = MEM_Int;
pTos->i = pOp->p1; pTos->i = pOp->p1;
pTos->type = SQLITE3_INTEGER;
}else{ }else{
pTos->flags = MEM_Str|MEM_Static|MEM_Term; pTos->flags = MEM_Str|MEM_Static|MEM_Term;
pTos->z = pOp->p3; pTos->z = pOp->p3;
@@ -994,7 +994,7 @@ case OP_Callback: {
for(i=0; i<pOp->p1; i++){ for(i=0; i<pOp->p1; i++){
Mem *pVal = &pTos[0-i]; Mem *pVal = &pTos[0-i];
sqlite3VdbeMemNulTerminate(pVal); sqlite3VdbeMemNulTerminate(pVal);
StoreTypeInfo(pVal, db->enc); storeTypeInfo(pVal, db->enc);
} }
p->resOnStack = 1; p->resOnStack = 1;
@@ -1093,7 +1093,6 @@ case OP_Concat: {
pTos->n = j; pTos->n = j;
pTos->flags = MEM_Str|MEM_Dyn|MEM_Term; pTos->flags = MEM_Str|MEM_Dyn|MEM_Term;
pTos->enc = db->enc; pTos->enc = db->enc;
pTos->type = SQLITE3_TEXT;
pTos->z = zNew; pTos->z = zNew;
} }
break; break;
@@ -1242,7 +1241,7 @@ case OP_Function: {
pArg = &pTos[1-n]; pArg = &pTos[1-n];
for(i=0; i<n; i++, pArg++){ for(i=0; i<n; i++, pArg++){
apVal[i] = pArg; apVal[i] = pArg;
StoreTypeInfo(pArg, db->enc); storeTypeInfo(pArg, db->enc);
} }
ctx.pFunc = (FuncDef*)pOp->p3; ctx.pFunc = (FuncDef*)pOp->p3;
@@ -1432,7 +1431,6 @@ case OP_MustBeInt: {
} }
Release(pTos); Release(pTos);
pTos->flags = MEM_Int; pTos->flags = MEM_Int;
pTos->type = SQLITE3_INTEGER;
break; break;
mismatch: mismatch:
@@ -4098,7 +4096,6 @@ case OP_SortNext: {
pTos->n = pSorter->nData; pTos->n = pSorter->nData;
pTos->flags = MEM_Blob|MEM_Dyn|MEM_Term; pTos->flags = MEM_Blob|MEM_Dyn|MEM_Term;
pTos->enc = 0; pTos->enc = 0;
pTos->type = SQLITE3_BLOB;
sqliteFree(pSorter->zKey); sqliteFree(pSorter->zKey);
sqliteFree(pSorter); sqliteFree(pSorter);
}else{ }else{
@@ -4270,7 +4267,7 @@ case OP_AggFunc: {
for(i=0; i<n; i++, pRec++){ for(i=0; i<n; i++, pRec++){
apVal[i] = pRec; apVal[i] = pRec;
StoreTypeInfo(pRec, db->enc); storeTypeInfo(pRec, db->enc);
} }
i = pTos->i; i = pTos->i;
assert( i>=0 && i<p->agg.nMem ); assert( i>=0 && i<p->agg.nMem );

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@@ -1241,11 +1241,9 @@ int sqlite3VdbeSerialGet(
if( serial_type==5 ){ if( serial_type==5 ){
pMem->flags = MEM_Real; pMem->flags = MEM_Real;
pMem->r = *(double*)&v; pMem->r = *(double*)&v;
pMem->type = SQLITE3_FLOAT;
}else{ }else{
pMem->flags = MEM_Int; pMem->flags = MEM_Int;
pMem->i = *(i64*)&v; pMem->i = *(i64*)&v;
pMem->type = SQLITE3_INTEGER;
} }
}else if( serial_type>=12 ){ }else if( serial_type>=12 ){
/* String or blob */ /* String or blob */
@@ -1261,7 +1259,6 @@ int sqlite3VdbeSerialGet(
assert( serial_type==6 ); assert( serial_type==6 );
assert( len==0 ); assert( len==0 );
pMem->flags = MEM_Null; pMem->flags = MEM_Null;
pMem->type = SQLITE3_NULL;
} }
return len; return len;
} }