array.from() function

array.from() constructs a table from an array of records.

Each record in the array is converted into an output row or record. All records must have the same keys and data types.

Function type signature

(<-rows: [A]) => stream[A] where A: Record

Parameters

rows

Array of records to construct a table with. Default is the piped-forward array (<-).

Examples

• Build an arbitrary table
• Union custom rows with query results

Build an arbitrary table

import "array"

rows = [{foo: "bar", baz: 21.2}, {foo: "bar", baz: 23.8}]

array.from(rows: rows)

Union custom rows with query results

import "influxdata/influxdb/v1"
import "array"

tags = v1.tagValues(bucket: "example-bucket", tag: "host")

wildcard_tag = array.from(rows: [{_value: "*"}])

union(tables: [tags, wildcard_tag])