941 # define nWorker 0  in sqlite3VdbeSorterInit()  macro
943   int nWorker;  in sqlite3VdbeSorterInit()  local
949     nWorker = 0;  in sqlite3VdbeSorterInit()
951     nWorker = db->aLimit[SQLITE_LIMIT_WORKER_THREADS];  in sqlite3VdbeSorterInit()
958   if( nWorker>=SORTER_MAX_MERGE_COUNT ){  in sqlite3VdbeSorterInit()
959     nWorker = SORTER_MAX_MERGE_COUNT-1;  in sqlite3VdbeSorterInit()
967   sz = sizeof(VdbeSorter) + nWorker * sizeof(SortSubtask);  in sqlite3VdbeSorterInit()
978     if( nField && nWorker==0 ){  in sqlite3VdbeSorterInit()
984     pSorter->nTask = nWorker + 1;  in sqlite3VdbeSorterInit()
985     pSorter->iPrev = (u8)(nWorker - 1);  in sqlite3VdbeSorterInit()
1029 #undef nWorker   /* Defined at the top of this function */
1705   int nWorker = (pSorter->nTask-1);  in vdbeSorterFlushPMA()
1719   for(i=0; i<nWorker; i++){  in vdbeSorterFlushPMA()
1720     int iTest = (pSorter->iPrev + i + 1) % nWorker;  in vdbeSorterFlushPMA()
1729     if( i==nWorker ){  in vdbeSorterFlushPMA()
1731       rc = vdbeSorterListToPMA(&pSorter->aTask[nWorker], &pSorter->list);  in vdbeSorterFlushPMA()