returns a boolean specifying if the statistics object is empty , i.e does not contain valid statistics for the page/column yet concode_field_sep long num_nulls concode_elem_sep boolean hasNonNullValue concode_field_sep T genericGetMin concode_elem_sep void setNumNulls concode_elem_sep byte[] getMaxBytes concode_elem_sep long getNumNulls concode_elem_sep boolean hasNonNullValue concode_elem_sep void mergeStatisticsMinMax concode_elem_sep Statistics getStatsBasedOnType concode_elem_sep T genericGetMax concode_elem_sep void markAsNotEmpty concode_elem_sep void mergeStatistics concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep byte[] getMinBytes concode_elem_sep void setMinMaxFromBytes concode_elem_sep String toString concode_elem_sep void incrementNumNulls concode_elem_sep void incrementNumNulls concode_elem_sep void updateStats concode_elem_sep void updateStats concode_elem_sep void updateStats concode_elem_sep void updateStats concode_elem_sep void updateStats concode_elem_sep void updateStats
boolean function ( ) { return ! hasNonNullValue && num_nulls == 0 ; }