50000 records recordset under postgres7

RecordCount secs: 0.72647690773
With FetchNextObj (auto Next) secs: 1.62473297119
With FetchNextObj using eof (auto Next) secs: 1.55589985847
With FetchRow (auto Next) secs: 0.844760894775
With FetchObj & Next secs: 1.45193099976
With Fields() & Next secs: 1.16758990288
With fields[] & Next secs: 0.796281099319