337   pCol = &pNew->aCol[pNew->nCol-1];  in sqlite3AlterFinishAddColumn()
529   pNew->aCol = (Column*)sqlite3DbMallocZero(db, sizeof(Column)*nAlloc);  in sqlite3AlterBeginAddColumn()
531   if( !pNew->aCol || !pNew->zName ){  in sqlite3AlterBeginAddColumn()
535   memcpy(pNew->aCol, pTab->aCol, sizeof(Column)*pNew->nCol);  in sqlite3AlterBeginAddColumn()
537     Column *pCol = &pNew->aCol[i];  in sqlite3AlterBeginAddColumn()
631     if( 0==sqlite3StrICmp(pTab->aCol[iCol].zCnName, zOld) ) break;  in sqlite3AlterRenameColumn()
1497   zOld = pTab->aCol[iCol].zCnName;  in renameColumnFunc()
1534               &sParse, &sCtx, (void*)sParse.pNewTable->aCol[iCol].zCnName  in renameColumnFunc()
1550                                                   &sParse.pNewTable->aCol[i]);  in renameColumnFunc()
1559           if( bFKOnly==0 && pFKey->aCol[i].iFrom==iCol ){  in renameColumnFunc()
1560             renameTokenFind(&sParse, &sCtx, (void*)&pFKey->aCol[i]);  in renameColumnFunc()
1563            && 0==sqlite3_stricmp(pFKey->aCol[i].zCol, zOld)  in renameColumnFunc()
1565             renameTokenFind(&sParse, &sCtx, (void*)pFKey->aCol[i].zCol);  in renameColumnFunc()
1923                                          &sParse.pNewTable->aCol[i]));  in renameQuotefixFunc()
2092   pCol = renameTokenFind(&sParse, 0, (void*)pTab->aCol[iCol].zCnName);  in dropColumnFunc()
2095     pEnd = renameTokenFind(&sParse, 0, (void*)pTab->aCol[iCol+1].zCnName);  in dropColumnFunc()
2159   if( pTab->aCol[iCol].colFlags & (COLFLAG_PRIMKEY|COLFLAG_UNIQUE) ){  in sqlite3AlterDropColumn()
2161         (pTab->aCol[iCol].colFlags&COLFLAG_PRIMKEY) ? "PRIMARY KEY" : "UNIQUE",  in sqlite3AlterDropColumn()
2197   if( pParse->nErr==0 && (pTab->aCol[iCol].colFlags & COLFLAG_VIRTUAL)==0 ){  in sqlite3AlterDropColumn()
2223       if( i!=iCol && (pTab->aCol[i].colFlags & COLFLAG_VIRTUAL)==0 ){  in sqlite3AlterDropColumn()