events

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Published: Jan 15, 2021 License: MIT Imports: 10 Imported by: 1

README

Events Package

Use this Flux Package to calculate the time between a record and the next record. The function events.duration peeks at the next record and calculates the duration an between records and associates it with the start of the event. For the final record it can be compared against a stop column or a timestamp. This function differs to existing elapsed which removes the first entry and stateDuration which totalized on a function.

See also

events.duration

duration calculates the duration of the event.

Name Type Description
unit duration Units of state duration 'ns', 'us', 'µs', 'ms', 's', 'm', 'h'
columnName string The name of the result column. Default duration
timeColumn string The name of the time column, default _time
stopColumn string The name of the stop column, default _stop
stop time Optional. If provided, it will be used instead of the stop column

Basic Example:

import "contrib/tomhollingworth/events"

from(bucket: "example-bucket")
    |> range(start: -24h)
    |> events.duration()
Last Record Duration

The last record needs a time to compare to. The following strategy is implemented:

  • Use stop if provided.
  • If no stop time is provided, then use the value from the stopColumn column on the last record.
  • If no stopColumn is provided then use _stop by default.
Comparison to other functions

Consider the following dataset of a door opening and closing:

import "csv"

inData = "
#datatype,string,long,dateTime:RFC3339,string,string
#group,false,true,false,false,false
#default,,,,,
,result,table,_time,_value,_field
,,0,2020-01-01T08:00:00Z,Closed,value
,,0,2020-01-01T08:15:00Z,Open,value
,,0,2020-01-01T08:15:08Z,Closed,value
,,0,2020-01-01T08:21:00Z,Open,value
,,0,2020-01-01T08:21:07Z,Closed,value
,,0,2020-01-01T08:24:00Z,Open,value
,,0,2020-01-01T08:24:12Z,Closed,value
"

csv.from(csv: inData)
  |> range(start: 2020-01-01T08:00:00Z, stop: 2020-01-01T08:30:00Z)

|> elapsed() yields the following. The first record is dropped and durations are associated with subsequent records. Totalizing on filter on value and summing the elapsed column would have the duration swapped between open and closed.

-,  result, table,               _start,                _stop, _time, _value, _field
+,  result, table,               _start,                _stop, _time, _value, _field,       elapsed
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:00:00Z, Closed,  value
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:10:00Z, Closed,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:10:00Z, Closed,  value,          1600
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:15:00Z,   Open,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:15:00Z,   Open,  value,          1300
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:15:08Z, Closed,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:15:08Z, Closed,  value,             8
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:21:00Z,   Open,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:21:00Z,   Open,  value,          1352
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:21:07Z, Closed,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:21:07Z, Closed,  value,             7
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:24:00Z,   Open,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:24:00Z,   Open,  value,           173
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:24:12Z, Closed,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:24:12Z, Closed,  value,            12

|> stateDuration(fn: (r) => true) yields the following. The duration is continuously totalized. For a particular state we could also include that in our stateDuration function, however time is counted twice on subsequent events. Totalizing this would have that time counted twice.

-,  result, table,               _start,                _stop,                _time, _value, _field
+,  result, table,               _start,                _stop,                _time, _value, _field, stateDuration
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:00:00Z, Closed,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:00:00Z, Closed,  value,             0
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:10:00Z, Closed,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:10:00Z, Closed,  value,           600
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:15:00Z,   Open,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:15:00Z,   Open,  value,           900
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:15:08Z, Closed,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:15:08Z, Closed,  value,           908
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:21:00Z,   Open,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:21:00Z,   Open,  value,          1260
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:21:07Z, Closed,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:21:07Z, Closed,  value,          1267
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:24:00Z,   Open,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:24:00Z,   Open,  value,          1440
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:24:12Z, Closed,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:24:12Z, Closed,  value,          1452

|> events.duration() yields the following.

-,  result, table,               _start,                _stop,                _time, _value, _field
+,  result, table,               _start,                _stop,                _time, _value, _field,      duration
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:00:00Z, Closed,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:00:00Z, Closed,  value,           600
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:10:00Z, Closed,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:10:00Z, Closed,  value,           300
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:15:00Z,   Open,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:15:00Z,   Open,  value,             8
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:15:08Z, Closed,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:15:08Z, Closed,  value,           352
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:21:00Z,   Open,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:21:00Z,   Open,  value,             7
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:21:07Z, Closed,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:21:07Z, Closed,  value,           173
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:24:00Z,   Open,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:24:00Z,   Open,  value,            12
-,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:24:12Z, Closed,  value
+,        ,     0, 2020-01-01T08:00:00Z, 2020-01-01T08:30:00Z, 2020-01-01T08:24:12Z, Closed,  value,           348

Contact

Documentation

Index

Constants

View Source
const DurationKind = "duration"

Variables

View Source
var FluxTestPackages = []*ast.Package{&ast.Package{
	BaseNode: ast.BaseNode{
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		Loc:    nil,
	},
	Files: []*ast.File{&ast.File{
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				End: ast.Position{
					Column: 98,
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				},
				File:   "duration_test.flux",
				Source: "package events_test\n\nimport \"testing\"\nimport \"contrib/tomhollingworth/events\"\n\noption now = () => (2018-05-22T19:54:16Z)\n\ninData = \"\n#datatype,string,long,dateTime:RFC3339,double,string,string,string,string,string,string\n#group,false,false,false,false,true,true,true,true,true,true\n#default,_result,,,,,,,,,\n,result,table,_time,_value,_field,_measurement,device,fstype,host,path\n,,0,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s1,apfs,host.local,/\n,,1,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s2,apfs,host.local,/\n\"\n\noutData = \"\n#datatype,string,long,dateTime:RFC3339,dateTime:RFC3339,dateTime:RFC3339,double,string,string,string,string,string,string,long\n#group,false,false,true,true,false,false,true,true,true,true,true,true,false\n#default,_result,,,,,,,,,,,,\n,result,table,_start,_stop,_time,_value,_field,_measurement,device,fstype,host,path,duration\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s1,apfs,host.local,/,20\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s2,apfs,host.local,/,20\n\"\n\nt_duration = (table=<-) =>\n\t(table\n        |> range(start:2018-05-22T19:53:26Z, stop:2018-05-22T19:54:36Z)\n\t\t|> events.duration())\n\ntest _duration = () =>\n\t({input: testing.loadStorage(csv: inData), want: testing.loadMem(csv: outData), fn: t_duration})",
				Start: ast.Position{
					Column: 1,
					Line:   1,
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		Body: []ast.Statement{&ast.OptionStatement{
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							File:   "duration_test.flux",
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						File:   "duration_test.flux",
						Source: "\"\n#datatype,string,long,dateTime:RFC3339,double,string,string,string,string,string,string\n#group,false,false,false,false,true,true,true,true,true,true\n#default,_result,,,,,,,,,\n,result,table,_time,_value,_field,_measurement,device,fstype,host,path\n,,0,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s1,apfs,host.local,/\n,,1,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s2,apfs,host.local,/\n\"",
						Start: ast.Position{
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				Value: "\n#datatype,string,long,dateTime:RFC3339,double,string,string,string,string,string,string\n#group,false,false,false,false,true,true,true,true,true,true\n#default,_result,,,,,,,,,\n,result,table,_time,_value,_field,_measurement,device,fstype,host,path\n,,0,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s1,apfs,host.local,/\n,,1,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s2,apfs,host.local,/\n",
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				Value: "\n#datatype,string,long,dateTime:RFC3339,dateTime:RFC3339,dateTime:RFC3339,double,string,string,string,string,string,string,long\n#group,false,false,true,true,false,false,true,true,true,true,true,true,false\n#default,_result,,,,,,,,,,,,\n,result,table,_start,_stop,_time,_value,_field,_measurement,device,fstype,host,path,duration\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s1,apfs,host.local,/,20\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s2,apfs,host.local,/,20\n",
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					Source: "t_duration = (table=<-) =>\n\t(table\n        |> range(start:2018-05-22T19:53:26Z, stop:2018-05-22T19:54:36Z)\n\t\t|> events.duration())",
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				Source: "package events_test\n\nimport \"testing\"\nimport \"contrib/tomhollingworth/events\"\n\noption now = () => (2018-05-22T19:54:16Z)\n\ninData = \"\n#datatype,string,long,dateTime:RFC3339,double,string,string,string,string,string,string\n#group,false,false,false,false,true,true,true,true,true,true\n#default,_result,,,,,,,,,\n,result,table,_time,_value,_field,_measurement,device,fstype,host,path\n,,0,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s1,apfs,host.local,/\n,,1,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s2,apfs,host.local,/\n\"\n\noutData = \"\n#datatype,string,long,dateTime:RFC3339,dateTime:RFC3339,dateTime:RFC3339,double,string,string,string,string,string,string,long\n#group,false,false,true,true,false,false,true,true,true,true,true,true,false\n#default,_result,,,,,,,,,,,,\n,result,table,_start,_stop,_time,_value,_field,_measurement,device,fstype,host,path,duration\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s1,apfs,host.local,/,30\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s2,apfs,host.local,/,30\n\"\n\nt_duration = (table=<-) =>\n\t(table\n        |> range(start:2018-05-22T19:53:26Z, stop:2018-05-22T19:54:36Z)\n\t\t|> events.duration(stop: 2018-05-22T19:54:46Z))\n\ntest _duration = () =>\n\t({input: testing.loadStorage(csv: inData), want: testing.loadMem(csv: outData), fn: t_duration})",
				Start: ast.Position{
					Column: 1,
					Line:   1,
				},
			},
		},
		Body: []ast.Statement{&ast.OptionStatement{
			Assignment: &ast.VariableAssignment{
				BaseNode: ast.BaseNode{
					Errors: nil,
					Loc: &ast.SourceLocation{
						End: ast.Position{
							Column: 42,
							Line:   6,
						},
						File:   "duration_with_stop_test.flux",
						Source: "now = () => (2018-05-22T19:54:16Z)",
						Start: ast.Position{
							Column: 8,
							Line:   6,
						},
					},
				},
				ID: &ast.Identifier{
					BaseNode: ast.BaseNode{
						Errors: nil,
						Loc: &ast.SourceLocation{
							End: ast.Position{
								Column: 11,
								Line:   6,
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							File:   "duration_with_stop_test.flux",
							Source: "now",
							Start: ast.Position{
								Column: 8,
								Line:   6,
							},
						},
					},
					Name: "now",
				},
				Init: &ast.FunctionExpression{
					BaseNode: ast.BaseNode{
						Errors: nil,
						Loc: &ast.SourceLocation{
							End: ast.Position{
								Column: 42,
								Line:   6,
							},
							File:   "duration_with_stop_test.flux",
							Source: "() => (2018-05-22T19:54:16Z)",
							Start: ast.Position{
								Column: 14,
								Line:   6,
							},
						},
					},
					Body: &ast.ParenExpression{
						BaseNode: ast.BaseNode{
							Errors: nil,
							Loc: &ast.SourceLocation{
								End: ast.Position{
									Column: 42,
									Line:   6,
								},
								File:   "duration_with_stop_test.flux",
								Source: "(2018-05-22T19:54:16Z)",
								Start: ast.Position{
									Column: 20,
									Line:   6,
								},
							},
						},
						Expression: &ast.DateTimeLiteral{
							BaseNode: ast.BaseNode{
								Errors: nil,
								Loc: &ast.SourceLocation{
									End: ast.Position{
										Column: 41,
										Line:   6,
									},
									File:   "duration_with_stop_test.flux",
									Source: "2018-05-22T19:54:16Z",
									Start: ast.Position{
										Column: 21,
										Line:   6,
									},
								},
							},
							Value: parser.MustParseTime("2018-05-22T19:54:16Z"),
						},
					},
					Params: []*ast.Property{},
				},
			},
			BaseNode: ast.BaseNode{
				Errors: nil,
				Loc: &ast.SourceLocation{
					End: ast.Position{
						Column: 42,
						Line:   6,
					},
					File:   "duration_with_stop_test.flux",
					Source: "option now = () => (2018-05-22T19:54:16Z)",
					Start: ast.Position{
						Column: 1,
						Line:   6,
					},
				},
			},
		}, &ast.VariableAssignment{
			BaseNode: ast.BaseNode{
				Errors: nil,
				Loc: &ast.SourceLocation{
					End: ast.Position{
						Column: 2,
						Line:   25,
					},
					File:   "duration_with_stop_test.flux",
					Source: "inData = \"\n#datatype,string,long,dateTime:RFC3339,double,string,string,string,string,string,string\n#group,false,false,false,false,true,true,true,true,true,true\n#default,_result,,,,,,,,,\n,result,table,_time,_value,_field,_measurement,device,fstype,host,path\n,,0,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s1,apfs,host.local,/\n,,1,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s2,apfs,host.local,/\n\"",
					Start: ast.Position{
						Column: 1,
						Line:   8,
					},
				},
			},
			ID: &ast.Identifier{
				BaseNode: ast.BaseNode{
					Errors: nil,
					Loc: &ast.SourceLocation{
						End: ast.Position{
							Column: 7,
							Line:   8,
						},
						File:   "duration_with_stop_test.flux",
						Source: "inData",
						Start: ast.Position{
							Column: 1,
							Line:   8,
						},
					},
				},
				Name: "inData",
			},
			Init: &ast.StringLiteral{
				BaseNode: ast.BaseNode{
					Errors: nil,
					Loc: &ast.SourceLocation{
						End: ast.Position{
							Column: 2,
							Line:   25,
						},
						File:   "duration_with_stop_test.flux",
						Source: "\"\n#datatype,string,long,dateTime:RFC3339,double,string,string,string,string,string,string\n#group,false,false,false,false,true,true,true,true,true,true\n#default,_result,,,,,,,,,\n,result,table,_time,_value,_field,_measurement,device,fstype,host,path\n,,0,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s1,apfs,host.local,/\n,,1,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s2,apfs,host.local,/\n\"",
						Start: ast.Position{
							Column: 10,
							Line:   8,
						},
					},
				},
				Value: "\n#datatype,string,long,dateTime:RFC3339,double,string,string,string,string,string,string\n#group,false,false,false,false,true,true,true,true,true,true\n#default,_result,,,,,,,,,\n,result,table,_time,_value,_field,_measurement,device,fstype,host,path\n,,0,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s1,apfs,host.local,/\n,,0,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s1,apfs,host.local,/\n,,1,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s2,apfs,host.local,/\n,,1,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s2,apfs,host.local,/\n",
			},
		}, &ast.VariableAssignment{
			BaseNode: ast.BaseNode{
				Errors: nil,
				Loc: &ast.SourceLocation{
					End: ast.Position{
						Column: 2,
						Line:   44,
					},
					File:   "duration_with_stop_test.flux",
					Source: "outData = \"\n#datatype,string,long,dateTime:RFC3339,dateTime:RFC3339,dateTime:RFC3339,double,string,string,string,string,string,string,long\n#group,false,false,true,true,false,false,true,true,true,true,true,true,false\n#default,_result,,,,,,,,,,,,\n,result,table,_start,_stop,_time,_value,_field,_measurement,device,fstype,host,path,duration\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s1,apfs,host.local,/,30\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s2,apfs,host.local,/,30\n\"",
					Start: ast.Position{
						Column: 1,
						Line:   27,
					},
				},
			},
			ID: &ast.Identifier{
				BaseNode: ast.BaseNode{
					Errors: nil,
					Loc: &ast.SourceLocation{
						End: ast.Position{
							Column: 8,
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						},
						File:   "duration_with_stop_test.flux",
						Source: "outData",
						Start: ast.Position{
							Column: 1,
							Line:   27,
						},
					},
				},
				Name: "outData",
			},
			Init: &ast.StringLiteral{
				BaseNode: ast.BaseNode{
					Errors: nil,
					Loc: &ast.SourceLocation{
						End: ast.Position{
							Column: 2,
							Line:   44,
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						File:   "duration_with_stop_test.flux",
						Source: "\"\n#datatype,string,long,dateTime:RFC3339,dateTime:RFC3339,dateTime:RFC3339,double,string,string,string,string,string,string,long\n#group,false,false,true,true,false,false,true,true,true,true,true,true,false\n#default,_result,,,,,,,,,,,,\n,result,table,_start,_stop,_time,_value,_field,_measurement,device,fstype,host,path,duration\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s1,apfs,host.local,/,10\n,,0,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s1,apfs,host.local,/,30\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:26Z,34.98234271799806,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:36Z,34.98234941084654,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:46Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:53:56Z,34.982447293755506,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:06Z,34.98204153981662,used_percent,disk,disk1s2,apfs,host.local,/,10\n,,1,2018-05-22T19:53:26Z,2018-05-22T19:54:36Z,2018-05-22T19:54:16Z,34.982252364543626,used_percent,disk,disk1s2,apfs,host.local,/,30\n\"",
						Start: ast.Position{
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}}

Functions

func NewDurationTransformation

func NewDurationTransformation(d execute.Dataset, cache execute.TableBuilderCache, spec *DurationProcedureSpec) *durationTransformation

Types

type DurationOpSpec

type DurationOpSpec struct {
	Unit       flux.Duration `json:"unit"`
	TimeColumn string        `json:"timeColumn"`
	ColumnName string        `json:"columnName"`
	StopColumn string        `json:"stopColumn"`
	Stop       flux.Time     `json:"stop"`
	IsStop     bool
}

func (*DurationOpSpec) Kind

func (s *DurationOpSpec) Kind() flux.OperationKind

type DurationProcedureSpec

type DurationProcedureSpec struct {
	plan.DefaultCost
	Unit       flux.Duration `json:"unit"`
	TimeColumn string        `json:"timeColumn"`
	ColumnName string        `json:"columnName"`
	StopColumn string        `json:"stopColumn"`
	Stop       flux.Time     `json:"stop"`
	IsStop     bool
}

func (*DurationProcedureSpec) Copy

func (*DurationProcedureSpec) Kind

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