sphinx coreseek SetSortMode(SPH_SORT_ATTR_ASC, '') 对float 排序设置bug
when I use SetSortMode(SPH_SORT_ATTR_ASC, 'floatVar'), it works unexpectedly. for example, I have a float Var ranging from [-10.0, 10.0] when I SetSortMode(SPH_SORT_ATTR_ASC, 'floatVar', the result is
0001.52.58-1.5-2.5-8...why? where I go wrong ?
I just use another solution to solve it ,using
case 'sentiment': $sphinxapi->SetSortMode(SPH_SORT_EXPR, 'sentiment'); break; case 'sentiment.desc': $sphinxapi->SetSortMode(SPH_SORT_EXPR, '-sentiment'); break;but I still confused why the SPH_SORT_ATTR_ASC didn't work ..