sqliteFixExpr
if( sqliteFixExpr(pFix, pList->a[i].pOn) ) return 1;
if( sqliteFixExpr(pFix, pSelect->pWhere) ){
if( sqliteFixExpr(pFix, pSelect->pHaving) ){
if( sqliteFixExpr(pFix, pExpr->pRight) ){
if( sqliteFixExpr(pFix, pList->a[i].pExpr) ){
if( sqliteFixExpr(pFix, pStep->pWhere) ){
int sqliteFixExpr(DbFixer*, Expr*);