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https://issues.apache.org/jira/browse/SOLR-14557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17133301#comment-17133301
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Mikhail Khludnev commented on SOLR-14557:
-----------------------------------------
Thanks for response , [~dsmiley].
# it seems like bug in syntax parsing
# I trust users
# they have many old queries in curly braces where they switch different parses
(mostly \{!join}) arbitrarily, so defType isn't an option
# it seems I achieved what uf does via luceneMatchVersion = 4.5 in config
that's I'v got SOLR-11501 notes. So, uf doesn't bring any value to me. Or it
should?
# So everything seems working (switching \{!parser} inside of edismax query)
until users add {{(}}braces{{)}}.
So, old query doesn't work for them. It seems like a bug outside of SOLR-11501
or loosely related to it.
> eDisMax parser switch + braces regression
> -----------------------------------------
>
> Key: SOLR-14557
> URL: https://issues.apache.org/jira/browse/SOLR-14557
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: query parsers
> Reporter: Mikhail Khludnev
> Priority: Major
> Labels: painful
>
> h2. Solr 4.5
> {{/select?defType=edismax&q=\{!lucene}(foo)&debugQuery=true}}
>
> goes like
> {code}
> <str name="rawquerystring">\{!lucene}(foo)</str>
> <str name="parsedquery_toString">content:foo</str>
> <str name="QParser">LuceneQParser</str>
> {code}
> fine
> h2. Solr 8.2
> with luceneMatchVersion=4.5 following SOLR-11501 I know it's a grey zone but
> it's a question of migrating existing queries.
> {{/select?defType=edismax&q=\{!lucene}(foo)&debugQuery=true}}
> goes like
> {code}
> "querystring":"\{!lucene}(foo)",
> "parsedquery":"+DisjunctionMaxQuery(((Project.Address:lucene
> Project.Address:foo) | (Project.OwnerType:lucene Project.OwnerType:foo)
> "QParser":"ExtendedDismaxQParser",
> {code}
> blah...
> but removing braces in 8.2 works perfectly fine
> {code}
> "querystring":"\{!lucene}foo",
> "parsedquery":"+content:foo",
> "parsedquery_toString":"+content:foo",
> "QParser":"ExtendedDismaxQParser",
> {code}
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