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https://issues.apache.org/jira/browse/SOLR-1105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17514003#comment-17514003
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Christine Poerschke commented on SOLR-1105:
-------------------------------------------
[~dsmiley] wrote on SOLR-16111:
{quote}Can this be used to solve
https://issues.apache.org/jira/browse/SOLR-1105 ?
{quote}
Interesting question. Maybe, partly.
So the {{hl.queryFieldPattern}} under SOLR-16111 can be used in a
{code:java}
<field name="text_indexed_not_stored" type="text" indexed="true"
stored="false"/>
<field name="text_stored_not_indexed" type="text" stored="true"
indexed="false"/>
{code}
scenario e.g. if all documents are to be indexed but highlighting and thus
storage is required only for a subset of documents.
For a request
{code:java}
q=text_indexed_not_stored:foo OR another_indexed_text_field:bar
hl.queryFieldPattern=text_indexed_not_stored
hl.fl=text_stored_not_indexed
{code}
the {{foo}} term (but not the {{bar}} term) is to be extracted from the query
and any {{foo}} within the {{text_stored_not_indexed}} is to be highlighted.
In this foo/bar scenario the type is {{text}} for both fields i.e. the same
whereas in the multi-lingual scenario the types differ. Okay, maybe an example
would help think it through more:
{code:java}
<field name="title" type="text" stored="true" indexed="true"/>
<field name="title_ru" type="text_ru" stored="false" indexed="true"/>
<field name="title_en" type="text_en" stored="false" indexed="true"/>
<field name="title_de" type="text_de" stored="false" indexed="true"/>
{code}
and
{code:java}
"document" : {
"title" : "hello hallo privyet",
"title_en" : "hello hallo privyet",
"title_de" : "hello hallo privyet",
"title_ru" : "hello hallo privyet",
}
{code}
and
{code:java}
q=title_en:hello OR title_de:hallo OR title_ru:privyet OR
some_other_indexed_field:foobar
hl.queryFieldPattern=title_*
hl.fl=title
{code}
as the hypothetical schema and document and query. So the terms should be
correctly extracted but when highlighting on the generic {{title}} field, would
it then depend on the exact analysis chain details and search terms w.r.t.
whether or not all the terms are correctly highlighted?
> Use a different stored field for highlighting
> ---------------------------------------------
>
> Key: SOLR-1105
> URL: https://issues.apache.org/jira/browse/SOLR-1105
> Project: Solr
> Issue Type: Improvement
> Components: highlighter
> Reporter: Dmitry Lihachev
> Assignee: David Smiley
> Priority: Major
> Attachments: SOLR-1105-1_4_1.patch, SOLR-1105.patch,
> SOLR-1105_shared_content_field_1.3.0.patch
>
>
> DefaultSolrHighlighter uses stored field content to highlight. It has some
> disadvantages, because index grows up fast when using multilingual indexing
> due to several fields has to be stored with same content. This patch allows
> DefaultSolrHighlighter to use "contentField" attribute to loockup content in
> external field.
> Excerpt from old schema:
> {code:xml}
> <field name="title" type="text" stored="true" indexed="true" />
> <field name="title_ru" type="text_ru" stored="true" indexed="true" />
> <field name="title_en" type="text_en" stored="true" indexed="true" />
> <field name="title_de" type="text_de" stored="true" indexed="true" />
> {code}
> The same after patching, highlighter will now get content stored in "title"
> field
> {code:xml}
> <field name="title" type="text" stored="true" indexed="true" />
> <field name="title_ru" type="text_ru" stored="false" indexed="true"
> contentField="title"/>
> <field name="title_en" type="text_en" stored="false" indexed="true"
> contentField="title"/>
> <field name="title_de" type="text_de" stored="false" indexed="true"
> contentField="title"/>
> {code}
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