Information of a single group grouped by histogram - Tablestore

GroupByDateHistogramItem specifies the information of a single group grouped by histogram.

Data structure

message GroupByHistogramItem {
    optional bytes key = 1;
    optional int64 value = 2;
    optional AggregationsResult sub_aggs_result = 3;
    optional GroupBysResult sub_group_bys_result = 4;
}

Parameter	Type	Required	Description
key	bytes	Yes	The field value of a single group. The value of this parameter must be encoded in PlainBuffer. For more information, see PlainBuffer.
row_count	int64	Yes	The total number of rows of a single group.
sub_aggs_result	AggregationsResult	No	The returned information about the sub-aggregation operation.
sub_group_bys_result	GroupBysResult	No	The returned information about the sub-GroupBy operation.