calc_length_hist_frac calc_period_hist_selectivity calc_period_hist_selectivity_adjacent calc_period_hist_selectivity_contained calc_period_hist_selectivity_contains calc_period_hist_selectivity_scalar calc_periodsel default_period_selectivity get_len_position get_period_distance get_period_position get_time_cachedop length_hist_bsearch period_rbound_bsearch periodsel

calc_periodsel() static double calc_periodsel ( VariableStatData *  vardata, const Period *  constval, Oid  operator  ) static