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Ref Guide: Add pow evaluator docs

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Joel Bernstein 2017-06-16 14:03:13 -04:00
parent e2d8f941e1
commit a5b1327aec
1 changed files with 18 additions and 1 deletions
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solr/solr-ref-guide/src/stream-evaluators.adoc
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@ -192,7 +192,24 @@ if(gt(fieldA,fieldB),sub(fieldA,fieldB),sub(fieldB,fieldA)) // if fieldA > field
----
== pow
//TODO
The `pow` function returns the value of its first parameter raised to the power of its second parameter.
=== pow Parameters
* `Field Name | Raw Number | Number Evaluator`: Parameter 1
* `Field Name | Raw Number | Number Evaluator`: Parameter 2
=== pow Syntax
The expressions below show the various ways in which you can use the `pow` evaluator.
[source,text]
----
pow(2,3) // returns 2 raised to the 3rd power.
pow(4,fieldA) // returns 4 raised by the value of fieldA.
pow(fieldA,1.4) // returns the value of fieldA raised by 1.4.
if(gt(fieldA,fieldB),pow(fieldA,fieldB),pow(fieldB,fieldA)) // if fieldA > fieldB then raise fieldA by fieldB, else raise fieldB by fieldA.
----
== mod
//TODO