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https://issues.apache.org/jira/browse/SOLR-15407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17347430#comment-17347430
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Jan Høydahl commented on SOLR-15407:
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This relates to SOLR-12779 in some way. I view it as a bug that the parser just
switches from term-centric to field-centric mode in mysterious ways. I agree
with David that sow should not be the parameter controlling this, but rather a
new option.
This is one of the reasons I've started to enforce same-field-type for all
fields I use in edismax qf. And it's not an easy problem to solve for sure.
> eDismax sow=false doesn't work with string field types
> ------------------------------------------------------
>
> Key: SOLR-15407
> URL: https://issues.apache.org/jira/browse/SOLR-15407
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: query parsers
> Affects Versions: 8.8.2
> Reporter: Alessandro Benedetti
> Priority: Major
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Currently, the sow=false should not tokenize the input user query text and
> delegate to each field for query time text analysis.
> But what happens if one of the queries involved is not analyzed?
> For example, because it is a string field type?
> Terms are split and the query generated is broken:
> {code:java}
> assertU(adoc("id", "75", "trait_ss", "multi term"));
> public void testSplitOnWhitespace_stringField_shouldBuildSingleClause()
> throws Exception
> {
> assertJQ(req("qf", "trait_ss", "defType", "edismax", "q", "multi
> term", "sow", "false"),
> "/response/numFound==1", "/response/docs/[0]/id=='75'");
> String parsedquery;
> parsedquery = getParsedQuery(
> req("qf", "trait_ss", "q", "multi term", "defType", "edismax",
> "sow", "false", "debugQuery", "true"));
> assertThat(parsedquery, anyOf(containsString("((trait_ss:multi
> term))")));
> }
> {code}
> This test would be currently broken.
> The current parsed query is wrongly:
> (trait_ss:multi trait_ss:term)
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