bruno-roustant commented on a change in pull request #1819:
URL: https://github.com/apache/lucene-solr/pull/1819#discussion_r482130641
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File path: solr/solr-ref-guide/src/the-query-elevation-component.adoc
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@@ -61,7 +61,18 @@ Optionally, in the Query Elevation Component configuration
you can also specify
The Query Elevation Search Component takes the following parameters:
`queryFieldType`::
-Specifies which fieldType should be used to analyze the incoming text. For
example, it may be appropriate to use a fieldType with a LowerCaseFilter.
+Specifies which fieldType should be used to analyze the incoming text. For
example, it may be appropriate to use a fieldType with a LowerCaseFilter. Other
example, if you need to unescape backslash-escaped queries, then you can define
the fieldType to preprocess with a PatternReplaceCharFilter. Here is the
corresponding example of fieldType (traditionally in `schema.xml`):
+
+[source,xml]
+----
+<fieldType name="unescapelowercase" class="solr.TextField">
+ <analyzer>
+ <charFilter class="solr.PatternReplaceCharFilterFactory" pattern="\\(.)"
replacement="$1"/>
Review comment:
I added this other pattern as an example.
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