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document size attribute in thetaSketchSetOp post aggregator

This commit is contained in:
Himanshu Gupta 2016-01-07 23:59:03 -06:00
parent 15fc070232
commit 0d5f82aee7
1 changed files with 12 additions and 2 deletions
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14
docs/content/development/datasketches-aggregators.md
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@ -37,12 +37,22 @@ Note that you can use `thetaSketch` aggregator on columns which were not ingeste
#### Sketch Estimator
```json
{ "type" : "thetaSketchEstimate", "name": <output name>, "fieldName" : <the name field value of the thetaSketch aggregator>}
{
"type" : "thetaSketchEstimate",
"name": <output name>,
"fieldName" : <the name field value of the thetaSketch aggregator>
}
```
#### Sketch Operations
```json
{ "type" : "thetaSketchSetOp", "name": <output name>, "func": <UNION|INTERSECT|NOT>, "fields" : <the name field value of the thetaSketch aggregators>}
{
"type" : "thetaSketchSetOp",
"name": <output name>,
"func": <UNION|INTERSECT|NOT>,
"fields" : <the name field value of the thetaSketch aggregators>,
"size": <16384 by default, must be max of size from sketches in fields input>
}
```
### Examples