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https://issues.apache.org/jira/browse/SOLR-12243?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16656723#comment-16656723
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Shawn Heisey commented on SOLR-12243:
-------------------------------------
The central problem in this issue was unclear to me, so I asked [~ehaubert] if
she could explain it. With that information, I was able to do a test that
makes it pretty clear.
With a 7.5.0 example setup, I created a "title" field using the default
text_general fieldType (which uses SynonymGraphFilter at query time), and
included the two configs provided in the issue description (synonyms and
handler). Here's the parsed queries for a couple of examples. The difference
here is one includes "dog" which has a multiterm synonym, and the other
includes "rat" which only has single-term synonyms:
with q=allergic reaction dog
{noformat}
+((((Synonym(title:allergic title:hypersensitive))^100.0)~0.4
((title:reaction)^100.0)~0.4 ((title:canine (+title:canis +title:familiris)
(+title:k +title:9) title:dog)^100.0)~0.4)~3) () (title:\"(hypersensitive
allergic) reaction\"~11)~0.4 ()
{noformat}
with q=allergic reaction rat
{noformat}
+((((Synonym(title:allergic title:hypersensitive))^100.0)~0.4
((title:reaction)^100.0)~0.4 ((Synonym(title:rat title:rattus))^100.0)~0.4)~3)
((title:\"(hypersensitive allergic) reaction (rattus rat)\"~20)^5000.0)~0.4
((title:\"(hypersensitive allergic) reaction\"~11)~0.4 (title:\"reaction
(rattus rat)\"~11)~0.4)
((title:\"(hypersensitive allergic) reaction (rattus rat)\"~22)^1000.0)~0.4
{noformat}
> Edismax missing phrase queries when phrases contain multiterm synonyms
> ----------------------------------------------------------------------
>
> Key: SOLR-12243
> URL: https://issues.apache.org/jira/browse/SOLR-12243
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: query parsers
> Affects Versions: 7.1
> Environment: RHEL, MacOS X
> Do not believe this is environment-specific.
> Reporter: Elizabeth Haubert
> Assignee: Uwe Schindler
> Priority: Major
> Attachments: SOLR-12243.patch, SOLR-12243.patch, SOLR-12243.patch,
> SOLR-12243.patch, SOLR-12243.patch
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> synonyms.txt:
> {code}
> allergic, hypersensitive
> aspirin, acetylsalicylic acid
> dog, canine, canis familiris, k 9
> rat, rattus
> {code}
> request handler:
> {code:xml}
> <requestHandler name="/test_qparse_error" class="solr.SearchHandler">
> <lst name="defaults">
> <!-- Query settings -->
> <str name="defType">edismax</str>
> <str name="tie"> 0.4</str>
> <str name="qf">title^100</str>
> <str name="pf">title~20^5000</str>
> <str name="pf2">title~11</str>
> <str name="pf3">title~22^1000</str>
> <str name="df">text</str>
> <!-- mm If two or fewer clauses exist, they all must match.
> If three to five clauses exist, one can be missing. If six to eight clauses
> exist, all but three must match.
> If more than nine clauses exist, only require 30% to match.-->
> <str name="mm">3<-1 6<-3 9<30%</str>
> <str name="q.alt">*:*</str>
> <str name="rows">25</str>
> </lst>
> </requestHandler>
> {code}
> Phrase queries (pf, pf2, pf3) containing "dog" or "aspirin" against the
> above list will not be generated.
> "allergic reaction dog" will generate pf2: "allergic reaction", but not
> pf:"allergic reaction dog", pf2: "reaction dog", or pf3: "allergic reaction
> dog"
> "aspirin dose in rats" will generate pf3: "dose ? rats" but not pf2: "aspirin
> dose" or pf3:"aspirin dose ?"
>
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