fuse

Aggregate Function

  fuse — compute a fused type of input values

Synopsis

fuse(any) -> type

Description

The fuse aggregate function applies type fusion to its input and returns the fused type.

This aggregation is useful with group-by for data exploration and discovery when searching for shaping rules to cluster a large number of varied input types to a smaller number of fused types each from a set of interrelated types.

Examples

Fuse two records:

fuse(this)

{a:1,b:2}{a:2,b:"foo"}

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Fuse records with a group-by key:

fuse(this) by b |> sort

{a:1,b:"bar"}{a:2.1,b:"foo"}{a:3,b:"bar"}

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