ES|QL `TO_AGGREGATE_METRIC_DOUBLE` function

Syntax

number: Input value. The input can be a single- or multi-valued column or an expression.

Encode a numeric to an aggregate_metric_double.

		ROW x = 3892095203
| EVAL agg_metric = TO_AGGREGATE_METRIC_DOUBLE(x)

x:long	agg_metric:aggregate_metric_double
3892095203	{"min":3892095203.0,"max":3892095203.0,"sum":3892095203.0,"value_count":1}

The expression also accepts multi-values

		ROW x = [5032, 11111, 40814]
| EVAL agg_metric = TO_AGGREGATE_METRIC_DOUBLE(x)

x:integer	agg_metric:aggregate_metric_double
[5032, 11111, 40814]	{"min":5032.0,"max":40814.0,"sum":56957.0,"value_count":3}