common_entry_cmp period_gist_compress period_gist_consistent_internal period_gist_fetch period_gist_penalty period_gist_picksplit period_gist_same period_gist_union period_index_consistent_leaf period_index_recheck periodset_gist_compress timestampset_gist_compress

period_index_recheck() bool period_index_recheck ( StrategyNumber  strategy ) Returns true if a recheck is necessary depending on the strategy.