SQLITE_SO_TYPEMASK
if( (pTab->aCol[iCol].sortOrder & SQLITE_SO_TYPEMASK)==SQLITE_SO_TEXT ){
pExpr->dataType = pCol->sortOrder & SQLITE_SO_TYPEMASK;
pExpr->dataType = pCol->sortOrder & SQLITE_SO_TYPEMASK;
if( (order & SQLITE_SO_TYPEMASK)==SQLITE_SO_TEXT ){
}else if( (order & SQLITE_SO_TYPEMASK)==SQLITE_SO_NUM ){
if( (pOrderBy->a[i].sortOrder & SQLITE_SO_TYPEMASK)!=SQLITE_SO_UNK ){