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Overview
Comment:Change sqlite3_create_module() so that it avoids resetting the schema as long as preexisting modules are unchanged.
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SHA1: 8485855afc71fb8078d53719c3da75021890ce9e
User & Date: drh 2011-05-05 13:54:28
Context
2011-05-05
15:39
Bump the version number to 3.7.7 on account of the new sqlite3_vtab_config() and sqlite3_vtab_on_conflict() interfaces. Updates to the documentation on those interfaces. check-in: 930be6a1 user: drh tags: trunk
13:54
Change sqlite3_create_module() so that it avoids resetting the schema as long as preexisting modules are unchanged. check-in: 8485855a user: drh tags: trunk
13:53
Add a #include to test_demovfs.c in an effort to get it to compile on Solaris. check-in: 8f06ea33 user: drh tags: trunk
Changes
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Changes to src/vtab.c.

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    memcpy(zCopy, zName, nName+1);
    pMod->zName = zCopy;
    pMod->pModule = pModule;
    pMod->pAux = pAux;
    pMod->xDestroy = xDestroy;
    pDel = (Module *)sqlite3HashInsert(&db->aModule, zCopy, nName, (void*)pMod);
    if( pDel && pDel->xDestroy ){

      pDel->xDestroy(pDel->pAux);
    }
    sqlite3DbFree(db, pDel);
    if( pDel==pMod ){
      db->mallocFailed = 1;
    }
    sqlite3ResetInternalSchema(db, -1);
  }else if( xDestroy ){
    xDestroy(pAux);
  }
  rc = sqlite3ApiExit(db, SQLITE_OK);
  sqlite3_mutex_leave(db->mutex);
  return rc;
}







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    memcpy(zCopy, zName, nName+1);
    pMod->zName = zCopy;
    pMod->pModule = pModule;
    pMod->pAux = pAux;
    pMod->xDestroy = xDestroy;
    pDel = (Module *)sqlite3HashInsert(&db->aModule, zCopy, nName, (void*)pMod);
    if( pDel && pDel->xDestroy ){
      sqlite3ResetInternalSchema(db, -1);
      pDel->xDestroy(pDel->pAux);
    }
    sqlite3DbFree(db, pDel);
    if( pDel==pMod ){
      db->mallocFailed = 1;
    }

  }else if( xDestroy ){
    xDestroy(pAux);
  }
  rc = sqlite3ApiExit(db, SQLITE_OK);
  sqlite3_mutex_leave(db->mutex);
  return rc;
}