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Overview
| Comment: | Another attempt at disabling virtual tables. This one leaks memory. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | disable-vtab |
| Files: | files | file ages | folders |
| SHA1: |
399e28283bca5ec20b6201adf2f09509 |
| User & Date: | drh 2013-06-12 02:53:39 |
Context
|
2013-06-12
| ||
| 02:53 | Another attempt at disabling virtual tables. This one leaks memory. Closed-Leaf check-in: 399e2828 user: drh tags: disable-vtab | |
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2013-06-11
| ||
| 22:41 | Add the ability to disable future calls to virtual table methods by invoking sqlite3_create_module() with a NULL sqlite3_module pointer. check-in: 6b77d61a user: drh tags: disable-vtab | |
Changes
Changes to src/vtab.c.
85 86 87 88 89 90 91 92 93 94 95 96 97 98 |
sqlite3_mutex_enter(db->mutex);
nName = sqlite3Strlen30(zName);
if( (pMod = sqlite3HashFind(&db->aModule, zName, nName))!=0 ){
if( pModule!=0 ){
rc = SQLITE_MISUSE_BKPT;
}else{
pMod->pModule = &errorModule;
}
}else{
pMod = (Module *)sqlite3DbMallocRaw(db, sizeof(Module) + nName + 1);
if( pMod ){
Module *pDel;
char *zCopy = (char *)(&pMod[1]);
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> > > > > > > > > > > > > > |
85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 |
sqlite3_mutex_enter(db->mutex);
nName = sqlite3Strlen30(zName);
if( (pMod = sqlite3HashFind(&db->aModule, zName, nName))!=0 ){
if( pModule!=0 ){
rc = SQLITE_MISUSE_BKPT;
}else{
int iDb;
HashElem *j;
VTable *pVTab;
for(iDb=0; iDb<db->nDb; iDb++){
Schema *pSchema = db->aDb[iDb].pSchema;
for(j=sqliteHashFirst(&pSchema->tblHash); j; j=sqliteHashNext(j)){
Table *pTab = (Table*)sqliteHashData(j);
if( !IsVirtual(pTab) ) continue;
pVTab = pTab->pVTable;
if( pVTab->pMod!=pMod ) continue;
pVTab->pVtab->pModule = &errorModule;
}
}
if( pMod->xDestroy ) pMod->xDestroy(pMod->pAux);
pMod->pModule = &errorModule;
}
}else{
pMod = (Module *)sqlite3DbMallocRaw(db, sizeof(Module) + nName + 1);
if( pMod ){
Module *pDel;
char *zCopy = (char *)(&pMod[1]);
|