docs-v2/content/v2.0/reference/flux/stdlib/experimental/array/from.md

1.3 KiB

title description menu weight
array.from() function The experimental `array.from()` function constructs a table from an array of objects.
v2_0_ref
name parent
array.from Array
401

The experimental array.from() function constructs a table from an array of objects. Each object in the array is converted into an output row or record. All records must have the same keys and data types.

Function type: Input

{{< keep-url >}}

import "experimental/array"

array.from(rows: [
  {_time: 2020-01-01T00:00:00Z, _field: "exampleField", _value: 3, foo: "bar"},
  {_time: 2020-01-01T00:01:00Z, _field: "exampleField", _value: 4, foo: "bar"},
  {_time: 2020-01-01T00:02:00Z, _field: "exampleField", _value: 1, foo: "bar"}
])

Parameters

rows

Array of records to construct a table with.

Data type: Array of objects

Examples

Build an arbitrary table
import "experimental/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 "experimental/array"

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

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

union(tables: [tags, wildcard_tag])