Kyle Hipke created SOLR-16253:
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Summary: Spellcheck collateParam cannot override fq
Key: SOLR-16253
URL: https://issues.apache.org/jira/browse/SOLR-16253
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Components: spellchecker
Affects Versions: 8.8.1
Reporter: Kyle Hipke
*Reproduction Steps*
1. Perform a query with a misspelled word capable of triggering spellcheck,
with collations, and maxCollationTries. For e.g:
q=tust&spellcheck=on&spellcheck.count=5&spellcheck.collate=true&spellcheck.maxCollationTries=3
Confirm you get spellcheck suggestions with collations in the response and 0
results for the original query.
2. Now add an fq which will guarantee no results are returned for the main
query and the (internal) collation queries, for example:
q=tust&spellcheck=on&spellcheck.count=5&spellcheck.collate=true&spellcheck.maxCollationTries=3&fq=id:someNonexistentId
Confirm now that you get no results as well as no collations (as expected).
3. Now add a spellcheck.collateParam.fq to try to override this fq for the
collations, so that you should see a collation.
q=tust&spellcheck=on&spellcheck.count=5&spellcheck.collate=true&spellcheck.maxCollationTries=3&fq=id:someNonexistentId&spellcheck.collateParam.fq=*:*
Observe that the query still returns 0 results (as expected) but no collation
is returned either (not expected).
We expect that if we specify spellcheck.collateParam.fq, when the collation
query is performed to check collations, it should REPLACE the fq on the
original query (as it does, for example, with changing the mm parameter via
spellcheck.collateParam.mm). Thus, we should see the same collations returned
as we saw in step 1.
For reference, here is the spellcheck config used for the above reproduction:
{code:java}
<searchComponent name="spellcheck" class="solr.SpellCheckComponent">
<str name="queryAnalyzerFieldType">text_general</str>
<lst name="spellchecker">
<str name="name">default</str>
<str name="field">spellcheck</str>
<str name="classname">solr.DirectSolrSpellChecker</str>
<str name="distanceMeasure">internal</str>
<float name="accuracy">0.5</float>
<int name="maxEdits">2</int>
<int name="minPrefix">1</int>
<int name="maxInspections">5</int>
<int name="minQueryLength">4</int>
<int name="maxQueryLength">20</int>
<float name="thresholdTokenFrequency">.01</float>
<float name="maxQueryFrequency">0.01</float>
</lst>
</searchComponent> {code}
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