286   int nCol;                 /* Number of columns in index + pk/rowid */  member
351   memcpy(pTo->anEq, pFrom->anEq, sizeof(tRowcnt)*p->nCol);  in sampleCopy()
352   memcpy(pTo->anLt, pFrom->anLt, sizeof(tRowcnt)*p->nCol);  in sampleCopy()
353   memcpy(pTo->anDLt, pFrom->anDLt, sizeof(tRowcnt)*p->nCol);  in sampleCopy()
370     for(i=0; i<p->nCol; i++) sampleClear(p->db, p->aBest+i);  in statAccumDestructor()
406   int nCol;                       /* Number of columns in index being sampled */  in statInit()  local
418   nCol = sqlite3_value_int(argv[0]);  in statInit()
419   assert( nCol>0 );  in statInit()
420   nColUp = sizeof(tRowcnt)<8 ? (nCol+1)&~1 : nCol;  in statInit()
422   assert( nKeyCol<=nCol );  in statInit()
432       + sizeof(StatSample)*(nCol+mxSample)       /* StatAccum.aBest[], a[] */  in statInit()
433       + sizeof(tRowcnt)*3*nColUp*(nCol+mxSample);  in statInit()
446   p->nCol = nCol;  in statInit()
461     p->iPrn = 0x689e962d*(u32)nCol ^ 0xd0944565*(u32)sqlite3_value_int(argv[2]);  in statInit()
466     pSpace = (u8*)(&p->a[mxSample+nCol]);  in statInit()
467     for(i=0; i<(mxSample+nCol); i++){  in statInit()
474     for(i=0; i<nCol; i++){  in statInit()
515   int nCol = pAccum->nCol;  in sampleIsBetterPost()  local
518   for(i=pNew->iCol+1; i<nCol; i++){  in sampleIsBetterPost()
617        || pNew->anLt[p->nCol-1] > p->a[p->nSample-1].anLt[p->nCol-1] );  in sampleInsert()
654   for(i=(p->nCol-2); i>=iChng; i--){  in samplePushPrevious()
666     for(j=p->nMaxEqZero; j<p->nCol; j++) assert( p->a[i].anEq[j]>0 );  in samplePushPrevious()
673       for(j=iChng; j<p->nCol; j++){  in samplePushPrevious()
714   assert( p->nCol>0 );  in statPush()
715   assert( iChng<p->nCol );  in statPush()
719     for(i=0; i<p->nCol; i++) p->current.anEq[i] = 1;  in statPush()
731     for(i=iChng; i<p->nCol; i++){  in statPush()
752     nLt = p->current.anLt[p->nCol-1];  in statPush()
757       sampleInsert(p, &p->current, p->nCol-1);  in statPush()
762     for(i=0; i<(p->nCol-1); i++){  in statPush()
904     sqlite3StrAccumInit(&sStat, 0, 0, 0, p->nCol*100);  in statGet()
905     for(i=0; i<p->nCol; i++){  in statGet()
1031     pStat1->nCol = 3;  in analyzeOneTable()
1049     int nCol;                     /* Number of columns in pIdx. "N" */  in analyzeOneTable()  local
1058       nCol = pIdx->nKeyCol;  in analyzeOneTable()
1060       nColTest = nCol - 1;  in analyzeOneTable()
1062       nCol = pIdx->nColumn;  in analyzeOneTable()
1064       nColTest = pIdx->uniqNotNull ? pIdx->nKeyCol-1 : nCol-1;  in analyzeOneTable()
1122     sqlite3VdbeAddOp2(v, OP_Integer, nCol, regStat+1);  in analyzeOneTable()
1274       int regSampleRowid = regCol + nCol;  in analyzeOneTable()
1279       pParse->nMem = MAX(pParse->nMem, regCol+nCol);  in analyzeOneTable()
1290       for(i=0; i<nCol; i++){  in analyzeOneTable()
1293       sqlite3VdbeAddOp3(v, OP_MakeRecord, regCol, nCol, regSample);  in analyzeOneTable()
1563     int nCol = pIndex->nKeyCol+1;  local
1569       pIndex->aiRowEst = (tRowcnt*)sqlite3MallocZero(sizeof(tRowcnt) * nCol);
1575     decodeIntArray((char*)z, nCol, aiRowEst, pIndex->aiRowLogEst, pIndex);
1629     int nCol = 1;  local
1635       nCol = pIdx->nSampleCol-1;
1636       pIdx->aAvgEq[nCol] = 1;
1638     for(iCol=0; iCol<nCol; iCol++){
1785     int nCol = 1;                 /* Number of columns in index */  local
1793     nCol = pIdx->nSampleCol;
1799     decodeIntArray((char*)sqlite3_column_text(pStmt,1),nCol,pSample->anEq,0,0);
1800     decodeIntArray((char*)sqlite3_column_text(pStmt,2),nCol,pSample->anLt,0,0);
1801     decodeIntArray((char*)sqlite3_column_text(pStmt,3),nCol,pSample->anDLt,0,0);