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https://issues.apache.org/jira/browse/SOLR-9352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18132131#comment-18132131
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Nick Shanin commented on SOLR-9352:
-----------------------------------
>From code reading against apache/main b73f03976fa,
>solr/core/src/java/org/apache/solr/parser/SolrQueryParserBase.java:1275-1286
>returns a MatchAllDocsQuery for a bare '*' when no explicit field is set,
>which is the df case in this ticket, and builds an existence query only for an
>explicit field such as 'foo:*'. That is the behaviour the ticket's comment
>describes as intended under SOLR-2996. Can this be closed as not a bug?
🤖 AI-generated 🤖
> matchAllDocsQuery instead of WildCardQuery from lucene qp with df and *
> -----------------------------------------------------------------------
>
> Key: SOLR-9352
> URL: https://issues.apache.org/jira/browse/SOLR-9352
> Project: Solr
> Issue Type: Bug
> Affects Versions: 4.10, 5.4
> Reporter: Matteo Grolla
> Priority: Major
>
> Hi,
> I'm surprised by lucene query parser translating this query
> http://localhost:8983/solr/collection1/select?df=id&q=*
> in
> <str name="parsedquery">MatchAllDocsQuery(*:*)</str>
> I was expecting it to execute: "id:*"
> the problem seems to be in
> in o.a.s.parser.SolrQueryParserBase:
> the field is not set explicity but in the df, so getExplicitField returns null
> // called from parser
> protected Query getWildcardQuery(String field, String termStr) throws
> SyntaxError {
> checkNullField(field);
> // *:* -> MatchAllDocsQuery
> if ("*".equals(termStr)) {
> if ("*".equals(field) || getExplicitField() == null) {
> return newMatchAllDocsQuery();
> }
> }
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