temporal_const_to_period Temporal_joinsel temporal_joinsel temporal_joinsel_default temporal_joinsel_ext temporal_oper_sel temporal_oper_sel_family Temporal_sel temporal_sel temporal_sel_default temporal_sel_ext temporal_sel_period Tnpoint_joinsel tnpoint_oper_sel Tnpoint_sel tnumber_const_to_span_period Tnumber_joinsel tnumber_joinsel_components tnumber_joinsel_default tnumber_oper_sel Tnumber_sel tnumber_sel_default tnumber_sel_span_period tpoint_const_to_stbox Tpoint_joinsel tpoint_joinsel_components tpoint_joinsel_default tpoint_oper_sel Tpoint_sel tpoint_sel_default

tnumber_sel_default() float8 tnumber_sel_default ( meosOper  operator ) Return a default selectivity estimate for the operator when we don't have statistics or cannot use them for some reason.