added influxdb v1 functions package

content/v2.0/reference/flux/functions/influxdb-v1/_index.md

@@ -10,7 +10,8 @@ menu:
 weight: 202
 ---
 
-InfluxDB v1 Flux functions provide tools for managing data from an InfluxDB v1.x database.
+InfluxDB v1 Flux functions provide tools for managing data from an InfluxDB v1.x
+database or structured using the InfluxDB v1 data structure.
 To use them, import the `influxdata/influxdb/v1` package:
 
 ```js

content/v2.0/reference/flux/functions/influxdb-v1/fieldsascols.md

@@ -1,37 +1,41 @@
 ---
-title: influxFieldsAsCols() function
+title: v1.fieldsAsCols() function
-description: The influxFieldsAsCols() function is pivots a table and automatically aligns fields within each input table that have the same timestamp.
+description: The v1.fieldsAsCols() function is pivots a table and automatically aligns fields within each input table that have the same timestamp.
 aliases:
   - /v2.0/reference/flux/functions/inputs/fromrows
   - /v2.0/reference/flux/functions/transformations/influxfieldsascols
 menu:
   v2_0_ref:
-    name: influxFieldsAsCols
+    name: v1.fieldsAsCols
-    parent: built-in-transformations
+    parent: InfluxDB v1
-weight: 401
+weight: 301
 ---
 
-The `influxFieldsAsCols()` function is a special application of the `pivot()` function that
+The `v1.fieldsAsCols()` function is a special application of the `pivot()` function that
 automatically aligns fields within each input table that have the same timestamp.
 
 _**Function type:** Transformation_
 
 ```js
-influxFieldsAsCols()
+import "influxdata/influxdb/v1"
+
+v1.fieldsAsCols()
 ```
 
 ## Examples
 ```js
+import "influxdata/influxdb/v1"
+
 from(bucket:"telegraf/autogen")
   |> range(start: -1h)
   |> filter(fn: (r) => r._measurement == "cpu")
-  |> influxFieldsAsCols()
+  |> v1.fieldsAsCols()
   |> keep(columns: ["_time", "cpu", "usage_idle", "usage_user"])
 ```
 
 ## Function definition
 ```js
-influxFieldsAsCols = (tables=<-) =>
+fieldsAsCols = (tables=<-) =>
   tables
     |> pivot(
       rowKey:["_time"],

content/v2.0/reference/flux/functions/influxdb-v1/measurements.md

@@ -0,0 +1,31 @@
+---
+title: v1.measurements() function
+description: The v1.measurements() function returns a list of measurements in a specific bucket.
+menu:
+  v2_0_ref:
+    name: v1.measurements
+    parent: InfluxDB v1
+weight: 301
+---
+
+The `v1.measurements()` function returns a list of measurements in a specific bucket.
+The return value is always a single table with a single column, `_value`.
+
+```js
+import "influxdata/influxdb/v1"
+
+v1.measurements(bucket: "example-bucket")
+```
+
+## Parameters
+
+### bucket
+The bucket from which to list measurements.
+
+_**Data type:** String_
+
+## Function definition
+```js
+measurements = (bucket) =>
+  tagValues(bucket: bucket, tag: "_measurement")
+```

content/v2.0/reference/flux/functions/influxdb-v1/measurementtagkeys.md

@@ -0,0 +1,41 @@
+---
+title: v1.measurementTagKeys() function
+description: The v1.measurementTagKeys() function returns a list of tag keys for a specific measurement.
+menu:
+  v2_0_ref:
+    name: v1.measurementTagKeys
+    parent: InfluxDB v1
+weight: 301
+---
+
+The `v1.measurementTagKeys()` function returns a list of tag keys for a specific measurement.
+The return value is always a single table with a single column, `_value`.
+
+```js
+import "influxdata/influxdb/v1"
+
+v1.measurementTagKeys(
+  bucket: "example-bucket",
+  measurement: "cpu"
+)
+```
+
+## Parameters
+
+### bucket
+The bucket from which to return tag keys for a specific measurement.
+
+_**Data type:** String_
+
+### measurement
+The measurement from which to return tag keys.
+
+_**Data type:** String_
+
+## Function definition
+```js
+measurementTagKeys = (bucket, measurement) =>
+  tagKeys(
+    bucket: bucket,
+    predicate: (r) => r._measurement == measurement)
+```

content/v2.0/reference/flux/functions/influxdb-v1/measurementtagvalues.md

@@ -0,0 +1,52 @@
+---
+title: v1.measurementTagValues() function
+description: The v1.measurementTagValues() function returns a list of tag values for a specific measurement.
+menu:
+  v2_0_ref:
+    name: v1.measurementTagValues
+    parent: InfluxDB v1
+weight: 301
+---
+
+The `v1.measurementTagValues()` function returns a list of tag values for a specific measurement.
+The return value is always a single table with a single column, `_value`.
+
+
+
+```js
+import "influxdata/influxdb/v1"
+
+v1.measurementTagValues(
+  bucket: "example-bucket",
+  measurement: "cpu",
+  tag: "host"
+)
+```
+
+## Parameters
+
+### bucket
+The bucket from which to return tag values for a specific measurement.
+
+_**Data type:** String_
+
+### measurement
+The measurement from which to return tag values.
+
+_**Data type:** String_
+
+### tag
+The tag from which to return all unique values.
+
+_**Data type:** String_
+
+
+## Function definition
+```js
+measurementTagValues = (bucket, measurement, tag) =>
+  tagValues(
+    bucket: bucket,
+    tag: tag,
+    predicate: (r) => r._measurement == measurement
+  )
+```

content/v2.0/reference/flux/functions/influxdb-v1/tagkeys.md

@@ -0,0 +1,63 @@
+---
+title: v1.tagKeys() function
+description: The v1.tagKeys() function returns a list of tag keys for all series that match the predicate.
+menu:
+  v2_0_ref:
+    name: v1.tagKeys
+    parent: InfluxDB v1
+weight: 301
+---
+
+The `v1.tagKeys()` function returns a list of tag keys for all series that match the [`predicate`](#predicate).
+The return value is always a single table with a single column, `_value`.
+
+```js
+import "influxdata/influxdb/v1"
+
+v1.tagKeys(
+  bucket: "example-bucket",
+  predicate: (r) => true,
+  start: -30d
+)
+```
+
+## Parameters
+
+### bucket
+The bucket from which to list tag keys.
+
+_**Data type:** String_
+
+### predicate
+The predicate function that filters tag keys.
+_Defaults to `(r) => true`._
+
+_**Data type:** Function_
+
+### start
+Specifies the oldest time to be included in the results.
+_Defaults to `-30d`._
+
+Relative start times are defined using negative durations.
+Negative durations are relative to now.
+Absolute start times are defined using timestamps.
+
+_**Data type:** Duration_
+
+## Examples
+```js
+import "influxdata/influxdb/v1"
+
+v1.tagKeys(bucket: "my-bucket")
+```
+
+
+## Function definition
+```js
+tagKeys = (bucket, predicate=(r) => true, start=-30d) =>
+  from(bucket: bucket)
+    |> range(start: start)
+    |> filter(fn: predicate)
+    |> keys()
+    |> keep(columns: ["_value"])
+```

content/v2.0/reference/flux/functions/influxdb-v1/tagvalues.md

@@ -0,0 +1,73 @@
+---
+title: v1.tagValues() function
+description: placeholder
+menu:
+  v2_0_ref:
+    name: v1.tagValues
+    parent: InfluxDB v1
+weight: 301
+---
+
+The `v1.tagValues()` function returns a list unique values for a given tag.
+The return value is always a single table with a single column, `_value`.
+
+
+```js
+import "influxdata/influxdb/v1"
+
+v1.tagValues(
+  bucket: "example-bucket",
+  tag: "host",
+  predicate: (r) => true,
+  start: -30d
+)
+```
+
+## Parameters
+
+### bucket
+The bucket from which to list tag values.
+
+_**Data type:** String_
+
+### tag
+The tag for which to return unique values.
+
+_**Data type:** String_
+
+### predicate
+The predicate function that filters tag values.
+_Defaults to `(r) => true`._
+
+_**Data type:** Function_
+
+### start
+Specifies the oldest time to be included in the results.
+_Defaults to `-30d`._
+
+Relative start times are defined using negative durations.
+Negative durations are relative to now.
+Absolute start times are defined using timestamps.
+
+_**Data type:** Duration_
+
+## Examples
+```js
+import "influxdata/influxdb/v1"
+
+v1.tagKeys(
+  bucket: "my-bucket",
+  tag: "host",
+)
+```
+
+## Function definition
+```js
+tagValues = (bucket, tag, predicate=(r) => true, start=-30d) =>
+  from(bucket: bucket)
+    |> range(start: start)
+    |> filter(fn: predicate)
+    |> group(columns: [tag])
+    |> distinct(column: tag)
+    |> keep(columns: ["_value"])
+```