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Ref Guide: Edit stream evaluators description

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Joel Bernstein 2017-06-08 15:28:42 -04:00
parent f631c98677
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solr/solr-ref-guide/src/stream-evaluators.adoc
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@ -21,14 +21,13 @@
// under the License. // under the License.
Stream evaluators are different the stream sources or stream decorators. Both Stream evaluators are different then stream sources or stream decorators. Both
streaming sources and stream decorators return streams of tuples. stream sources and stream decorators return streams of tuples. Stream evaluators are more like
a traditional function that evaluates its parameters and
Stream evaluators are more like traditional functions that evaluates its parameters and
returns an result. That result can be a single value, array, map or other structure. returns an result. That result can be a single value, array, map or other structure.
Stream evaluators can be nested to so that the output of evaluator becomes the input Stream evaluators can be nested so that the output of an evaluator becomes the input
for another evaluatore. for another evaluator.
Stream evaluators can be called in different contexts. For example a stream evaluator Stream evaluators can be called in different contexts. For example a stream evaluator
can be called on its own or it can be called within the context of a streaming expression. can be called on its own or it can be called within the context of a streaming expression.
@ -43,7 +42,7 @@ emitted by the analyzer. The `analyze` function can be called on its own or with
=== analyze Parameters === analyze Parameters
* `Field Name` | `Raw Text`: Either the field in a tuple or the raw text to be analyzed. * `Field Name` | `Raw Text`: Either the field in a tuple or the raw text to be analyzed.
* `Analyzer field name`: The field name of the analyzer to use to analyze the text. * `Analyzer Field Name`: The field name of the analyzer to use to analyze the text.
=== analyze Syntax === analyze Syntax