109   memstat_cursor *pCur;  in memstatOpen()  local
110   pCur = sqlite3_malloc( sizeof(*pCur) );  in memstatOpen()
111   if( pCur==0 ) return SQLITE_NOMEM;  in memstatOpen()
112   memset(pCur, 0, sizeof(*pCur));  in memstatOpen()
113   pCur->db = ((memstat_vtab*)p)->db;  in memstatOpen()
114   *ppCursor = &pCur->base;  in memstatOpen()
121 static void memstatClearSchema(memstat_cursor *pCur){  in memstatClearSchema()  argument
123   if( pCur->azDb==0 ) return;  in memstatClearSchema()
124   for(i=0; i<pCur->nDb; i++){  in memstatClearSchema()
125     sqlite3_free(pCur->azDb[i]);  in memstatClearSchema()
127   sqlite3_free(pCur->azDb);  in memstatClearSchema()
128   pCur->azDb = 0;  in memstatClearSchema()
129   pCur->nDb = 0;  in memstatClearSchema()
135 static int memstatFindSchemas(memstat_cursor *pCur){  in memstatFindSchemas()  argument
138   if( pCur->nDb ) return SQLITE_OK;  in memstatFindSchemas()
139   rc = sqlite3_prepare_v2(pCur->db, "PRAGMA database_list", -1, &pStmt, 0);  in memstatFindSchemas()
146     az = sqlite3_realloc64(pCur->azDb, sizeof(char*)*(pCur->nDb+1));  in memstatFindSchemas()
148       memstatClearSchema(pCur);  in memstatFindSchemas()
151     pCur->azDb = az;  in memstatFindSchemas()
154       memstatClearSchema(pCur);  in memstatFindSchemas()
157     pCur->azDb[pCur->nDb] = z;  in memstatFindSchemas()
158     pCur->nDb++;  in memstatFindSchemas()
169   memstat_cursor *pCur = (memstat_cursor*)cur;  in memstatClose()  local
170   memstatClearSchema(pCur);  in memstatClose()
233   memstat_cursor *pCur = (memstat_cursor*)cur;  in memstatNext()  local
235   assert( pCur->iRowid<=MSV_NROW );  in memstatNext()
237     i = (int)pCur->iRowid - 1;  in memstatNext()
238     if( i<0 || (aMemstatColumn[i].mNull & 2)!=0 || (++pCur->iDb)>=pCur->nDb ){  in memstatNext()
239       pCur->iRowid++;  in memstatNext()
240       if( pCur->iRowid>MSV_NROW ) return SQLITE_OK;  /* End of the table */  in memstatNext()
241       pCur->iDb = 0;  in memstatNext()
244     pCur->aVal[0] = 0;  in memstatNext()
245     pCur->aVal[1] = 0;      in memstatNext()
250                            &pCur->aVal[0], &pCur->aVal[1],0);  in memstatNext()
254           pCur->aVal[0] = xCur;  in memstatNext()
255           pCur->aVal[1] = xHiwtr;  in memstatNext()
261         sqlite3_db_status(pCur->db, aMemstatColumn[i].eOp, &xCur, &xHiwtr, 0);  in memstatNext()
262         pCur->aVal[0] = xCur;  in memstatNext()
263         pCur->aVal[1] = xHiwtr;  in memstatNext()
268         rc = sqlite3_file_control(pCur->db, pCur->azDb[pCur->iDb],  in memstatNext()
269                                   aMemstatColumn[i].eOp, (void*)&pCur->aVal[0]);  in memstatNext()
289   memstat_cursor *pCur = (memstat_cursor*)cur;  in memstatColumn()  local
291   assert( pCur->iRowid>0 && pCur->iRowid<=MSV_NROW );  in memstatColumn()
292   i = (int)pCur->iRowid - 1;  in memstatColumn()
302       sqlite3_result_text(ctx, pCur->azDb[pCur->iDb], -1, 0);  in memstatColumn()
306       sqlite3_result_int64(ctx, pCur->aVal[0]);  in memstatColumn()
310       sqlite3_result_int64(ctx, pCur->aVal[1]);  in memstatColumn()
322   memstat_cursor *pCur = (memstat_cursor*)cur;  in memstatRowid()  local
323   *pRowid = pCur->iRowid*1000 + pCur->iDb;  in memstatRowid()
332   memstat_cursor *pCur = (memstat_cursor*)cur;  in memstatEof()  local
333   return pCur->iRowid>MSV_NROW;  in memstatEof()
347   memstat_cursor *pCur = (memstat_cursor *)pVtabCursor;  in memstatFilter()  local
348   int rc = memstatFindSchemas(pCur);  in memstatFilter()
350   pCur->iRowid = 0;  in memstatFilter()
351   pCur->iDb = 0;  in memstatFilter()