111     if( pNew->pBt ) sqlite3BtreeClose(pNew->pBt);  in attachFunc()
112     pNew->pBt = 0;  in attachFunc()
114     rc = sqlite3BtreeOpen(pVfs, "x\0", db, &pNew->pBt, 0, SQLITE_OPEN_MAIN_DB);  in attachFunc()
167     rc = sqlite3BtreeOpen(pVfs, zPath, db, &pNew->pBt, 0, flags);  in attachFunc()
177     pNew->pSchema = sqlite3SchemaGet(db, pNew->pBt);  in attachFunc()
185     sqlite3BtreeEnter(pNew->pBt);  in attachFunc()
186     pPager = sqlite3BtreePager(pNew->pBt);  in attachFunc()
188     sqlite3BtreeSecureDelete(pNew->pBt,  in attachFunc()
189                              sqlite3BtreeSecureDelete(db->aDb[0].pBt,-1) );  in attachFunc()
191     sqlite3BtreeSetPagerFlags(pNew->pBt,  in attachFunc()
194     sqlite3BtreeLeave(pNew->pBt);  in attachFunc()
230       if( db->aDb[iDb].pBt ){  in attachFunc()
231         sqlite3BtreeClose(db->aDb[iDb].pBt);  in attachFunc()
232         db->aDb[iDb].pBt = 0;  in attachFunc()
284     if( pDb->pBt==0 ) continue;  in detachFunc()
296   if( sqlite3BtreeTxnState(pDb->pBt)!=SQLITE_TXN_NONE  in detachFunc()
297    || sqlite3BtreeIsInBackup(pDb->pBt)  in detachFunc()
315   sqlite3BtreeClose(pDb->pBt);  in detachFunc()
316   pDb->pBt = 0;  in detachFunc()