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Fabian Märki
2016-04-15 15:56:42 +02:00
parent 9fe181f335
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@ -385,7 +385,7 @@ curl -H "Content-Type: application/json" -X POST -d '{"range":{"startSeconds":"
See JSON representation of the data above. See JSON representation of the data above.
#### Query using compression #### Query Using Compression
```json ```json
{ {
@ -423,57 +423,6 @@ The `curl` command has a `--compressed` option to decompress data automatically.
curl --compressed -H "Content-Type: application/json" -X POST -d '{"compression":"gzip","range":{"startPulseId":0,"endPulseId":3},"channels":["Channel_01"]}' http://data-api.psi.ch/sf/query | python -m json.tool curl --compressed -H "Content-Type: application/json" -X POST -d '{"compression":"gzip","range":{"startPulseId":0,"endPulseId":3},"channels":["Channel_01"]}' http://data-api.psi.ch/sf/query | python -m json.tool
``` ```
#### Query setting CSV response format
```json
{
"responseFormat":"csv",
"range":{
"startPulseId":0,
"endPulseId":4
},
"channels":[
"channel1",
"channel2"
],
"fields":[
"channel",
"pulseId",
"iocSeconds",
"globalSeconds",
"shape",
"eventCount",
"value"
]
}
```
It is possible to request the time in seconds (since January 1, 1970 (the UNIX epoch) as a decimal value including fractional seconds - using fields *globalSeconds* and *iocSeconds*) or in milliseconds (since January 1, 1970 (the JAVA epoch) - using fields *globalMillis* and *iocMillis*)
##### Command
```bash
curl -H "Content-Type: application/json" -X POST -d '{"responseFormat":"csv","range":{"startPulseId":0,"endPulseId":4},"channels":["channel1","channel2"],"fields":["channel","pulseId","iocSeconds","globalSeconds","shape","eventCount","value"]}' http://data-api.psi.ch/sf/query
```
##### Response
The response is in CSV.
```text
channel;pulseId;iocSeconds;globalSeconds;shape;eventCount;value
testChannel1;0;0.000000000;0.000000000;[1];1;0
testChannel1;1;0.010000000;0.010000000;[1];1;1
testChannel1;2;0.020000000;0.020000000;[1];1;2
testChannel1;3;0.030000000;0.030000000;[1];1;3
testChannel1;4;0.040000000;0.040000000;[1];1;4
testChannel2;0;0.000000000;0.000000000;[1];1;0
testChannel2;1;0.010000000;0.010000000;[1];1;1
testChannel2;2;0.020000000;0.020000000;[1];1;2
testChannel2;3;0.030000000;0.030000000;[1];1;3
testChannel2;4;0.040000000;0.040000000;[1];1;4
```
#### Querying for Specific Fields #### Querying for Specific Fields
Allows for server side optimizations since not all data needs to be retrieved. Allows for server side optimizations since not all data needs to be retrieved.
@ -525,6 +474,57 @@ curl -H "Content-Type: application/json" -X POST -d '{"fields":["pulseId","valu
] ]
``` ```
#### Query CSV Format
```json
{
"responseFormat":"csv",
"range":{
"startPulseId":0,
"endPulseId":4
},
"channels":[
"channel1",
"channel2"
],
"fields":[
"channel",
"pulseId",
"iocSeconds",
"globalSeconds",
"shape",
"eventCount",
"value"
]
}
```
It is possible to request the time in seconds (since January 1, 1970 (the UNIX epoch) as a decimal value including fractional seconds - using fields *globalSeconds* and *iocSeconds*), in milliseconds (since January 1, 1970 (the JAVA epoch) - using fields *globalMillis* and *iocMillis*) or as a ISO8601 formatted String - using fields *globalDate* and *iocDate* (such as 1997-07-16T19:20:30.123456789+02:00).
##### Command
```bash
curl -H "Content-Type: application/json" -X POST -d '{"responseFormat":"csv","range":{"startPulseId":0,"endPulseId":4},"channels":["channel1","channel2"],"fields":["channel","pulseId","iocSeconds","globalSeconds","shape","eventCount","value"]}' http://data-api.psi.ch/sf/query
```
##### Response
The response is in CSV.
```text
channel;pulseId;iocSeconds;globalSeconds;shape;eventCount;value
testChannel1;0;0.000000000;0.000000000;[1];1;0
testChannel1;1;0.010000000;0.010000000;[1];1;1
testChannel1;2;0.020000000;0.020000000;[1];1;2
testChannel1;3;0.030000000;0.030000000;[1];1;3
testChannel1;4;0.040000000;0.040000000;[1];1;4
testChannel2;0;0.000000000;0.000000000;[1];1;0
testChannel2;1;0.010000000;0.010000000;[1];1;1
testChannel2;2;0.020000000;0.020000000;[1];1;2
testChannel2;3;0.030000000;0.030000000;[1];1;3
testChannel2;4;0.040000000;0.040000000;[1];1;4
```
#### Data Ordering #### Data Ordering
```json ```json