340   int nChangeFrom = 0;   /* If there is a FROM, pChanges->nExpr, else 0 */  in sqlite3Update()  local
394   nChangeFrom = (pTabList->nSrc>1) ? pChanges->nExpr : 0;  in sqlite3Update()
395   assert( nChangeFrom==0 || pUpsert==0 );  in sqlite3Update()
398   if( !isView && nChangeFrom==0 ){  in sqlite3Update()
470     if( nChangeFrom==0 && sqlite3ResolveExprNames(&sNC, pChanges->a[i].pExpr) ){  in sqlite3Update()
635   if( nChangeFrom==0 && isView ){  in sqlite3Update()
647   if( nChangeFrom==0 && sqlite3ResolveExprNames(&sNC, pWhere) ){  in sqlite3Update()
675   if( nChangeFrom==0 && HasRowid(pTab) ){  in sqlite3Update()
684     pParse->nMem += nChangeFrom;  in sqlite3Update()
687       int nEphCol = nPk + nChangeFrom + (isView ? pTab->nCol : 0);  in sqlite3Update()
698       if( nChangeFrom ){  in sqlite3Update()
709   if( nChangeFrom ){  in sqlite3Update()
799     if( nChangeFrom==0 && eOnePass!=ONEPASS_MULTI ){  in sqlite3Update()
840     }else if( pPk || nChangeFrom ){  in sqlite3Update()
844       if( nChangeFrom ){  in sqlite3Update()
882     if( nChangeFrom==0 ){  in sqlite3Update()
939         if( nChangeFrom ){  in sqlite3Update()