Flux v0.132 (#3182)
* added flux 0.132.0 release notes * updated influxdb sample package (#3173)pull/3183/head
Scott Anderson
GitHub
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@ -10,6 +10,29 @@ aliases:
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- /influxdb/cloud/reference/release-notes/flux/
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---
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## v0.132.0 [2021-09-28]
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### Features
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- Copy location-related code from the Go `time` package.
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- Create a `Vector` monotype.
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- Refactor and optimize [`derivative()` transformation](/flux/v0.x/stdlib/universe/derivative/).
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- Add new [InfluxDB sample datasets](/flux/v0.x/stdlib/influxdata/influxdb/sample/data/#available-influxdb-sample-datasets)
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and [`sample.alignToNow()`](/flux/v0.x/stdlib/influxdata/influxdb/sample/aligntonow/).
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- Allow query concurrency to be set to the number of nodes in the graph.
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### Bug fixes
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- Update null check with clear error message.
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- Report errors from function parameters.
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- Propagate all inferred properties to a function argument.
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- Fix `Staticcheck` linter in `executetest`.
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- Reformat non-formatted Flux files.
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- Make builds reproducible by ordering package members in the `doc` package.
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- Prevent the optimized `derivative()` from attempt to replicate a non-existent bug.
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- Update [`events.duration()`](/flux/v0.x/stdlib/contrib/tomhollingworth/events/duration/)
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to properly handle multiple buffers.
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---
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## v0.131.0 [2021-09-20]
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### Features
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@ -0,0 +1,58 @@
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---
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title: sample.alignToNow() function
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description: >
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`sample.alignToNow()` shifts time values in input data to align the chronological last point to _now_.
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menu:
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flux_0_x_ref:
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name: sample.alignToNow
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parent: sample-pkg
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weight: 301
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related:
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- /influxdb/v2.0/reference/sample-data/
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introduced: 0.132.0
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---
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`sample.alignToNow()` shifts time values in input data to align the chronological last point to _now_.
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Input data must have a `_time` column.
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{{% note %}}
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When writing static historical sample datasets to **InfluxDB Cloud**,
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use `sample.alignToNow()` to avoid losing sample data with timestamps outside
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of the retention period associated with your InfluxDB Cloud account.
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{{% /note %}}
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## Examples
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#### Align sample data timestamps to the current time
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```js
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import "influxdata/influxdb/sample"
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option now = () => 2021-01-01T00:00:00Z
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data = sample.data(set: "birdMigration")
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|> filter(fn: (r) =>
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r._field == "lon" and
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r.s2_cell_id == "471ed2c" and
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r.id == "91916A"
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)
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|> tail(n: 3)
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data
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|> sample.alignToNow()
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```
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{{% expand "View input and output" %}}
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#### Input data
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| _time | _measurement | id | s2_cell_id | _field | _value |
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| :------------------- | :----------- | :----- | :--------- | :----- | -------: |
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| 2019-09-19T15:00:00Z | migration | 91916A | 471ed2c | lon | 21.10333 |
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| 2019-09-22T09:00:00Z | migration | 91916A | 471ed2c | lon | 21.084 |
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| 2019-09-22T15:00:00Z | migration | 91916A | 471ed2c | lon | 21.10317 |
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#### Output data
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| _time | _measurement | id | s2_cell_id | _field | _value |
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| :------------------- | :----------- | :----- | :--------- | :----- | -------: |
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| 2020-12-29T00:00:00Z | migration | 91916A | 471ed2c | lon | 21.10333 |
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| 2020-12-31T18:00:00Z | migration | 91916A | 471ed2c | lon | 21.084 |
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| 2021-01-01T00:00:00Z | migration | 91916A | 471ed2c | lon | 21.10317 |
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{{% /expand %}}
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@ -42,10 +42,13 @@ and in the output of [`sample.list()`](/flux/v0.x/stdlib/influxdata/influxdb/sam
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**Valid values**:
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- `airSensor`
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- `birdMigration`
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- `noaa`
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- `usgs`
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- [`airSensor`](#airsensor)
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- [`birdMigration`](#birdmigration)
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- [`bitcoin`](#bitcoin)
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- [`machineProduction`](#machineproduction)
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- [`noaa`](#noaa)
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- [`noaaWater`](#noaawater)
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- [`usgs`](#usgs)
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## Available InfluxDB sample datasets
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@ -68,6 +71,24 @@ Contains geotemporal data between 2019-01-01 and 2019-12-31.
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**Size**: ~1.2 MB • **Updated**: N/A
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{{% /caption %}}
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### bitcoin
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Bitcoin price data from the last 30 days ([Powered by CoinDesk](https://www.coindesk.com/price/bitcoin)).
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Data is updated approximately every 15m.
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{{% caption %}}
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**Size**: ~700 KB • **Updated**: every 15m
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{{% /caption %}}
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### machineProduction
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States and metrics reported from four automated grinding wheel stations on a production line.
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Contains data from 2021-08-01T00:00:00Z to 2021-08-01T23:59:59Z.
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{{% caption %}}
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**Size**: ~11.9 MB • **Updated**: N/A
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{{% /caption %}}
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### noaa
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Latest observations from the [NOAA National Data Buoy Center (NDBC)](https://www.ndbc.noaa.gov/).
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@ -78,6 +99,16 @@ Data is updated approximately every 15m.
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**Size**: ~1.3 MB • **Updated**: every 15m
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{{% /caption %}}
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### noaaWater
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Water level observations from two stations reported by the NOAA Center for
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Operational Oceanographic Products and Services.
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Contains data between 2019-08-17 and 2019-09-17.
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{{% caption %}}
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**Size**: ~10.3 MB • **Updated**: N/A
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{{% /caption %}}
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### usgs
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USGS earthquake data from the last week.
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@ -90,15 +121,15 @@ Data is updated approximately every 15m.
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## Examples
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##### Return USGS earthquake data from the last week
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#### Return USGS earthquake data from the last week
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```js
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import "influxdata/influxdb/sample"
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sample.data(set: "usgs")
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```
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##### Download and write NOAA NDBC data to InfluxDB
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Add the following as an [InfluxDB task]{{< latest "influxdb" >}}/process-data/)
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#### Download and write NOAA NDBC data to InfluxDB
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Add the following as an [InfluxDB task](/{{< latest "influxdb" >}}/process-data/)
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to regularly collect the latest reported observations from the NOAA NDBC.
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{{% get-shared-text "flux/noaa-ndbc-sample-task.md" %}}
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