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
stopif provided. - If no
stoptime is provided, then use the value from thestopColumncolumn on the last record. - If no
stopColumnis provided then use_stopby 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
- Author: Tom Hollingworth
- Email: tom.hollingworth@spruiktec.com
- Github: @tomhollingworth
- Influx Community Slack: @tomhollingworth
Documentation
¶
Index ¶
Constants ¶
View Source
const DurationKind = "duration"
Variables ¶
View Source
var FluxTestPackages = []*ast.Package{&ast.Package{ BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: nil, }, Files: []*ast.File{&ast.File{ BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 98, Line: 52, }, 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, }, }, }, Body: []ast.Statement{&ast.OptionStatement{ Assignment: &ast.VariableAssignment{ BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 42, Line: 6, }, File: "duration_test.flux", Source: "now = () => (2018-05-22T19:54:16Z)", Start: ast.Position{ Column: 8, Line: 6, }, }, }, ID: &ast.Identifier{ BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 11, Line: 6, }, File: "duration_test.flux", Source: "now", Start: ast.Position{ Column: 8, Line: 6, }, }, }, Name: "now", }, Init: &ast.FunctionExpression{ Arrow: nil, BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 42, Line: 6, }, File: "duration_test.flux", Source: "() => (2018-05-22T19:54:16Z)", Start: ast.Position{ Column: 14, Line: 6, }, }, }, Body: &ast.ParenExpression{ BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 42, Line: 6, }, File: "duration_test.flux", Source: "(2018-05-22T19:54:16Z)", Start: ast.Position{ Column: 20, Line: 6, }, }, }, Expression: &ast.DateTimeLiteral{ BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 41, Line: 6, }, File: "duration_test.flux", Source: "2018-05-22T19:54:16Z", Start: ast.Position{ Column: 21, Line: 6, }, }, }, Value: parser.MustParseTime("2018-05-22T19:54:16Z"), }, Lparen: nil, Rparen: nil, }, Lparen: nil, Params: []*ast.Property{}, Rparan: nil, }, }, BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 42, Line: 6, }, File: "duration_test.flux", Source: "option now = () => (2018-05-22T19:54:16Z)", Start: ast.Position{ Column: 1, Line: 6, }, }, }, }, &ast.VariableAssignment{ BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 2, Line: 25, }, File: "duration_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{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 7, Line: 8, }, File: "duration_test.flux", Source: "inData", Start: ast.Position{ Column: 1, Line: 8, }, }, }, Name: "inData", }, Init: &ast.StringLiteral{ BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 2, Line: 25, }, 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{ 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{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 2, Line: 44, }, File: "duration_test.flux", Source: "outData = 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"duration_test.flux", Source: "want", Start: ast.Position{ Column: 45, Line: 52, }, }, }, Name: "want", }, Separator: nil, Value: &ast.CallExpression{ Arguments: []ast.Expression{&ast.ObjectExpression{ BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 79, Line: 52, }, File: "duration_test.flux", Source: "csv: outData", Start: ast.Position{ Column: 67, Line: 52, }, }, }, Lbrace: nil, Properties: []*ast.Property{&ast.Property{ BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 79, Line: 52, }, File: "duration_test.flux", Source: "csv: outData", Start: ast.Position{ Column: 67, Line: 52, }, }, }, Comma: nil, Key: &ast.Identifier{ BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 70, Line: 52, }, File: "duration_test.flux", Source: "csv", Start: ast.Position{ Column: 67, Line: 52, }, }, }, Name: "csv", }, Separator: nil, Value: 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&ast.SourceLocation{ End: ast.Position{ Column: 96, Line: 52, }, File: "duration_test.flux", Source: "t_duration", Start: ast.Position{ Column: 86, Line: 52, }, }, }, Name: "t_duration", }, }}, Rbrace: nil, With: nil, }, Lparen: nil, Rparen: nil, }, Lparen: nil, Params: []*ast.Property{}, Rparan: nil, }, }, BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 98, Line: 52, }, File: "duration_test.flux", Source: "test _duration = () =>\n\t({input: testing.loadStorage(csv: inData), want: testing.loadMem(csv: outData), fn: t_duration})", Start: ast.Position{ Column: 1, Line: 51, }, }, }, }}, Eof: nil, Imports: []*ast.ImportDeclaration{&ast.ImportDeclaration{ As: nil, BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 17, Line: 3, }, File: "duration_test.flux", Source: "import \"testing\"", Start: ast.Position{ Column: 1, Line: 3, }, }, }, Path: &ast.StringLiteral{ BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 17, Line: 3, }, File: "duration_test.flux", Source: "\"testing\"", Start: ast.Position{ Column: 8, Line: 3, }, }, }, Value: "testing", }, }, &ast.ImportDeclaration{ As: nil, BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 40, Line: 4, }, File: "duration_test.flux", Source: "import \"contrib/tomhollingworth/events\"", Start: ast.Position{ Column: 1, Line: 4, }, }, }, Path: &ast.StringLiteral{ BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 40, Line: 4, }, File: "duration_test.flux", Source: "\"contrib/tomhollingworth/events\"", Start: ast.Position{ Column: 8, Line: 4, }, }, }, Value: "contrib/tomhollingworth/events", }, }}, Metadata: "parser-type=rust", Name: "duration_test.flux", Package: &ast.PackageClause{ BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 20, Line: 1, }, File: "duration_test.flux", Source: "package events_test", Start: ast.Position{ Column: 1, Line: 1, }, }, }, Name: &ast.Identifier{ BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 20, Line: 1, }, File: "duration_test.flux", Source: "events_test", Start: ast.Position{ Column: 9, Line: 1, }, }, }, Name: "events_test", }, }, }, &ast.File{ BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 98, Line: 52, }, File: "duration_with_stop_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,/,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{ Comments: nil, 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{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 11, Line: 6, }, File: "duration_with_stop_test.flux", Source: "now", Start: ast.Position{ Column: 8, Line: 6, }, }, }, Name: "now", }, Init: &ast.FunctionExpression{ Arrow: nil, BaseNode: ast.BaseNode{ Comments: nil, 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{ Comments: nil, 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{ Comments: nil, 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"), }, Lparen: nil, Rparen: nil, }, Lparen: nil, Params: []*ast.Property{}, Rparan: nil, }, }, BaseNode: ast.BaseNode{ Comments: nil, 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{ Comments: nil, 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{ Comments: nil, 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{ Comments: nil, 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: 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}, }, &ast.VariableAssignment{ BaseNode: ast.BaseNode{ Comments: nil, Errors: nil, Loc: &ast.SourceLocation{ End: ast.Position{ Column: 2, Line: 44, }, File: "duration_with_stop_test.flux", Source: "outData = 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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 (s *DurationProcedureSpec) Copy() plan.ProcedureSpec
func (*DurationProcedureSpec) Kind ¶
func (s *DurationProcedureSpec) Kind() plan.ProcedureKind
Source Files
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