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Break out DBBE drivers into separate files. (CVS 157)

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FossilOrigin-Name: 979ef5d5d64b8e38cc15fef0d2d507ca2fe6842c
This commit is contained in:
drh
2000-10-19 01:49:02 +00:00
parent 58c2976fa9
commit bb0b679c02
10 changed files with 942 additions and 818 deletions
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89
src/vdbe.c
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@@ -41,7 +41,7 @@
** But other routines are also provided to help in building up
** a program instruction by instruction.
**
** $Id: vdbe.c,v 1.43 2000/10/16 22:06:43 drh Exp $
** $Id: vdbe.c,v 1.44 2000/10/19 01:49:03 drh Exp $
*/
#include "sqliteInt.h"
#include <unistd.h>
@@ -679,7 +679,7 @@ static void Cleanup(Vdbe *p){
p->azColName = 0;
for(i=0; i<p->nCursor; i++){
if( p->aCsr[i].pCursor ){
sqliteDbbeCloseCursor(p->aCsr[i].pCursor);
p->pBe->CloseCursor(p->aCsr[i].pCursor);
p->aCsr[i].pCursor = 0;
}
}
@@ -696,7 +696,7 @@ static void Cleanup(Vdbe *p){
p->nMem = 0;
for(i=0; i<p->nList; i++){
if( p->apList[i] ){
sqliteDbbeCloseTempFile(p->pBe, p->apList[i]);
p->pBe->CloseTempFile(p->pBe, p->apList[i]);
p->apList[i] = 0;
}
}
@@ -924,6 +924,7 @@ int sqliteVdbeExec(
int pc; /* The program counter */
Op *pOp; /* Current operation */
int rc; /* Value to return */
Dbbe *pBe = p->pBe; /* The backend driver */
char zBuf[100]; /* Space to sprintf() and integer */
p->tos = -1;
@@ -1762,10 +1763,10 @@ int sqliteVdbeExec(
for(j=p->nCursor; j<=i; j++) p->aCsr[j].pCursor = 0;
p->nCursor = i+1;
}else if( p->aCsr[i].pCursor ){
sqliteDbbeCloseCursor(p->aCsr[i].pCursor);
pBe->CloseCursor(p->aCsr[i].pCursor);
}
do {
rc = sqliteDbbeOpenCursor(p->pBe,pOp->p3,pOp->p2,&p->aCsr[i].pCursor);
rc = pBe->OpenCursor(pBe,pOp->p3,pOp->p2,&p->aCsr[i].pCursor);
switch( rc ){
case SQLITE_BUSY: {
if( xBusy==0 || (*xBusy)(pBusyArg, pOp->p3, ++busy)==0 ){
@@ -1806,7 +1807,7 @@ int sqliteVdbeExec(
case OP_Close: {
int i = pOp->p1;
if( i>=0 && i<p->nCursor && p->aCsr[i].pCursor ){
sqliteDbbeCloseCursor(p->aCsr[i].pCursor);
pBe->CloseCursor(p->aCsr[i].pCursor);
p->aCsr[i].pCursor = 0;
}
break;
@@ -1824,11 +1825,11 @@ int sqliteVdbeExec(
if( tos<0 ) goto not_enough_stack;
if( i>=0 && i<p->nCursor && p->aCsr[i].pCursor ){
if( p->aStack[tos].flags & STK_Int ){
sqliteDbbeFetch(p->aCsr[i].pCursor, sizeof(int),
pBe->Fetch(p->aCsr[i].pCursor, sizeof(int),
(char*)&p->aStack[tos].i);
}else{
if( Stringify(p, tos) ) goto no_mem;
sqliteDbbeFetch(p->aCsr[i].pCursor, p->aStack[tos].n,
pBe->Fetch(p->aCsr[i].pCursor, p->aStack[tos].n,
p->zStack[tos]);
}
p->nFetch++;
@@ -1890,11 +1891,11 @@ int sqliteVdbeExec(
if( tos<0 ) goto not_enough_stack;
if( i>=0 && i<p->nCursor && p->aCsr[i].pCursor ){
if( p->aStack[tos].flags & STK_Int ){
alreadyExists = sqliteDbbeTest(p->aCsr[i].pCursor, sizeof(int),
alreadyExists = pBe->Test(p->aCsr[i].pCursor, sizeof(int),
(char*)&p->aStack[tos].i);
}else{
if( Stringify(p, tos) ) goto no_mem;
alreadyExists = sqliteDbbeTest(p->aCsr[i].pCursor,p->aStack[tos].n,
alreadyExists = pBe->Test(p->aCsr[i].pCursor,p->aStack[tos].n,
p->zStack[tos]);
}
}
@@ -1920,7 +1921,7 @@ int sqliteVdbeExec(
if( i<0 || i>=p->nCursor || p->aCsr[i].pCursor==0 ){
v = 0;
}else{
v = sqliteDbbeNew(p->aCsr[i].pCursor);
v = pBe->New(p->aCsr[i].pCursor);
}
NeedStack(p, p->tos+1);
p->tos++;
@@ -1953,7 +1954,7 @@ int sqliteVdbeExec(
nKey = sizeof(int);
zKey = (char*)&p->aStack[nos].i;
}
sqliteDbbePut(p->aCsr[i].pCursor, nKey, zKey,
pBe->Put(p->aCsr[i].pCursor, nKey, zKey,
p->aStack[tos].n, p->zStack[tos]);
}
PopStack(p, 2);
@@ -1980,7 +1981,7 @@ int sqliteVdbeExec(
nKey = p->aStack[tos].n;
zKey = p->zStack[tos];
}
sqliteDbbeDelete(p->aCsr[i].pCursor, nKey, zKey);
pBe->Delete(p->aCsr[i].pCursor, nKey, zKey);
}
PopStack(p, 1);
break;
@@ -2034,29 +2035,29 @@ int sqliteVdbeExec(
if( NeedStack(p, tos) ) goto no_mem;
if( i>=0 && i<p->nCursor && (pCrsr = p->aCsr[i].pCursor)!=0 ){
if( p->aCsr[i].keyAsData ){
amt = sqliteDbbeKeyLength(pCrsr);
amt = pBe->KeyLength(pCrsr);
if( amt<=sizeof(int)*(p2+1) ){
p->aStack[tos].flags = STK_Null;
break;
}
pAddr = (int*)sqliteDbbeReadKey(pCrsr, sizeof(int)*p2);
pAddr = (int*)pBe->ReadKey(pCrsr, sizeof(int)*p2);
if( *pAddr==0 ){
p->aStack[tos].flags = STK_Null;
break;
}
z = sqliteDbbeReadKey(pCrsr, *pAddr);
z = pBe->ReadKey(pCrsr, *pAddr);
}else{
amt = sqliteDbbeDataLength(pCrsr);
amt = pBe->DataLength(pCrsr);
if( amt<=sizeof(int)*(p2+1) ){
p->aStack[tos].flags = STK_Null;
break;
}
pAddr = (int*)sqliteDbbeReadData(pCrsr, sizeof(int)*p2);
pAddr = (int*)pBe->ReadData(pCrsr, sizeof(int)*p2);
if( *pAddr==0 ){
p->aStack[tos].flags = STK_Null;
break;
}
z = sqliteDbbeReadData(pCrsr, *pAddr);
z = pBe->ReadData(pCrsr, *pAddr);
}
p->zStack[tos] = z;
p->aStack[tos].n = strlen(z) + 1;
@@ -2079,11 +2080,11 @@ int sqliteVdbeExec(
if( NeedStack(p, p->tos) ) goto no_mem;
if( i>=0 && i<p->nCursor && (pCrsr = p->aCsr[i].pCursor)!=0 ){
char *z = sqliteDbbeReadKey(pCrsr, 0);
char *z = pBe->ReadKey(pCrsr, 0);
if( p->aCsr[i].keyAsData ){
p->zStack[tos] = z;
p->aStack[tos].flags = STK_Str;
p->aStack[tos].n = sqliteDbbeKeyLength(pCrsr);
p->aStack[tos].n = pBe->KeyLength(pCrsr);
}else{
memcpy(&p->aStack[tos].i, z, sizeof(int));
p->aStack[tos].flags = STK_Int;
@@ -2100,7 +2101,7 @@ int sqliteVdbeExec(
case OP_Rewind: {
int i = pOp->p1;
if( i>=0 && i<p->nCursor && p->aCsr[i].pCursor!=0 ){
sqliteDbbeRewind(p->aCsr[i].pCursor);
pBe->Rewind(p->aCsr[i].pCursor);
}
break;
}
@@ -2113,7 +2114,7 @@ int sqliteVdbeExec(
case OP_Next: {
int i = pOp->p1;
if( i>=0 && i<p->nCursor && p->aCsr[i].pCursor!=0 ){
if( sqliteDbbeNextKey(p->aCsr[i].pCursor)==0 ){
if( pBe->NextKey(p->aCsr[i].pCursor)==0 ){
pc = pOp->p2 - 1;
}else{
p->nFetch++;
@@ -2163,8 +2164,8 @@ int sqliteVdbeExec(
int *aIdx;
int nIdx;
int j, k;
nIdx = sqliteDbbeDataLength(pCrsr)/sizeof(int);
aIdx = (int*)sqliteDbbeReadData(pCrsr, 0);
nIdx = pBe->DataLength(pCrsr)/sizeof(int);
aIdx = (int*)pBe->ReadData(pCrsr, 0);
if( nIdx>1 ){
k = *(aIdx++);
if( k>nIdx-1 ) k = nIdx-1;
@@ -2209,10 +2210,10 @@ int sqliteVdbeExec(
Integerify(p, nos);
newVal = p->aStack[nos].i;
if( Stringify(p, tos) ) goto no_mem;
r = sqliteDbbeFetch(pCrsr, p->aStack[tos].n, p->zStack[tos]);
r = pBe->Fetch(pCrsr, p->aStack[tos].n, p->zStack[tos]);
if( r==0 ){
/* Create a new record for this index */
sqliteDbbePut(pCrsr, p->aStack[tos].n, p->zStack[tos],
pBe->Put(pCrsr, p->aStack[tos].n, p->zStack[tos],
sizeof(int), (char*)&newVal);
}else{
/* Extend the existing record */
@@ -2220,32 +2221,32 @@ int sqliteVdbeExec(
int *aIdx;
int k;
nIdx = sqliteDbbeDataLength(pCrsr)/sizeof(int);
nIdx = pBe->DataLength(pCrsr)/sizeof(int);
if( nIdx==1 ){
aIdx = sqliteMalloc( sizeof(int)*4 );
if( aIdx==0 ) goto no_mem;
aIdx[0] = 2;
sqliteDbbeCopyData(pCrsr, 0, sizeof(int), (char*)&aIdx[1]);
pBe->CopyData(pCrsr, 0, sizeof(int), (char*)&aIdx[1]);
aIdx[2] = newVal;
sqliteDbbePut(pCrsr, p->aStack[tos].n, p->zStack[tos],
pBe->Put(pCrsr, p->aStack[tos].n, p->zStack[tos],
sizeof(int)*4, (char*)aIdx);
sqliteFree(aIdx);
}else{
aIdx = (int*)sqliteDbbeReadData(pCrsr, 0);
aIdx = (int*)pBe->ReadData(pCrsr, 0);
k = aIdx[0];
if( k<nIdx-1 ){
aIdx[k+1] = newVal;
aIdx[0]++;
sqliteDbbePut(pCrsr, p->aStack[tos].n, p->zStack[tos],
pBe->Put(pCrsr, p->aStack[tos].n, p->zStack[tos],
sizeof(int)*nIdx, (char*)aIdx);
}else{
nIdx *= 2;
aIdx = sqliteMalloc( sizeof(int)*nIdx );
if( aIdx==0 ) goto no_mem;
sqliteDbbeCopyData(pCrsr, 0, sizeof(int)*(k+1), (char*)aIdx);
pBe->CopyData(pCrsr, 0, sizeof(int)*(k+1), (char*)aIdx);
aIdx[k+1] = newVal;
aIdx[0]++;
sqliteDbbePut(pCrsr, p->aStack[tos].n, p->zStack[tos],
pBe->Put(pCrsr, p->aStack[tos].n, p->zStack[tos],
sizeof(int)*nIdx, (char*)aIdx);
sqliteFree(aIdx);
}
@@ -2284,12 +2285,12 @@ int sqliteVdbeExec(
Integerify(p, nos);
oldVal = p->aStack[nos].i;
if( Stringify(p, tos) ) goto no_mem;
r = sqliteDbbeFetch(pCrsr, p->aStack[tos].n, p->zStack[tos]);
r = pBe->Fetch(pCrsr, p->aStack[tos].n, p->zStack[tos]);
if( r==0 ) break;
nIdx = sqliteDbbeDataLength(pCrsr)/sizeof(int);
aIdx = (int*)sqliteDbbeReadData(pCrsr, 0);
nIdx = pBe->DataLength(pCrsr)/sizeof(int);
aIdx = (int*)pBe->ReadData(pCrsr, 0);
if( (nIdx==1 && aIdx[0]==oldVal) || (aIdx[0]==1 && aIdx[1]==oldVal) ){
sqliteDbbeDelete(pCrsr, p->aStack[tos].n, p->zStack[tos]);
pBe->Delete(pCrsr, p->aStack[tos].n, p->zStack[tos]);
}else{
k = aIdx[0];
for(j=1; j<=k && aIdx[j]!=oldVal; j++){}
@@ -2300,7 +2301,7 @@ int sqliteVdbeExec(
if( aIdx[0]*3 + 1 < nIdx ){
nIdx /= 2;
}
sqliteDbbePut(pCrsr, p->aStack[tos].n, p->zStack[tos],
pBe->Put(pCrsr, p->aStack[tos].n, p->zStack[tos],
sizeof(int)*nIdx, (char*)aIdx);
}
}
@@ -2315,7 +2316,7 @@ int sqliteVdbeExec(
** from the disk.
*/
case OP_Destroy: {
sqliteDbbeDropTable(p->pBe, pOp->p3);
pBe->DropTable(pBe, pOp->p3);
break;
}
@@ -2324,7 +2325,7 @@ int sqliteVdbeExec(
** Compress, optimize, and tidy up the GDBM file named by P3.
*/
case OP_Reorganize: {
sqliteDbbeReorganizeTable(p->pBe, pOp->p3);
pBe->ReorganizeTable(pBe, pOp->p3);
break;
}
@@ -2346,9 +2347,9 @@ int sqliteVdbeExec(
for(j=p->nList; j<=i; j++) p->apList[j] = 0;
p->nList = i+1;
}else if( p->apList[i] ){
sqliteDbbeCloseTempFile(p->pBe, p->apList[i]);
pBe->CloseTempFile(pBe, p->apList[i]);
}
rc = sqliteDbbeOpenTempFile(p->pBe, &p->apList[i]);
rc = pBe->OpenTempFile(pBe, &p->apList[i]);
if( rc!=SQLITE_OK ){
sqliteSetString(pzErrMsg, "unable to open a temporary file", 0);
}
@@ -2418,7 +2419,7 @@ int sqliteVdbeExec(
int i = pOp->p1;
if( i<0 ) goto bad_instruction;
if( i<p->nList && p->apList[i]!=0 ){
sqliteDbbeCloseTempFile(p->pBe, p->apList[i]);
pBe->CloseTempFile(pBe, p->apList[i]);
p->apList[i] = 0;
}
break;