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https://issues.apache.org/jira/browse/SOLR-4081?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yonik Seeley reassigned SOLR-4081:
----------------------------------
Assignee: Yonik Seeley
> QueryParsing.toString(Query,IndexSchema) does not properly handle WrappedQuery
> ------------------------------------------------------------------------------
>
> Key: SOLR-4081
> URL: https://issues.apache.org/jira/browse/SOLR-4081
> Project: Solr
> Issue Type: Bug
> Components: query parsers
> Affects Versions: 4.0
> Reporter: Eirik Lygre
> Assignee: Yonik Seeley
> Priority: Minor
>
> QueryParsing.toString() is a method that uses knowledge of various Query
> implementations to properly render a query string. For example, using
> toString with a BooleanQuery might return a string like this:
> {{owner_id:18935 (acl_id:9451 acl_id:11634 acl_id:15678 acl_id:16791)}}
> When using localParams such as "{!cache=false cost=0}", the query turns into
> a WrappedQuery wrapping a BooleanQuery. This is not understood by
> QueryParsing.toString(), which calls WrappedQuery.toString() instead,
> returning a string like this:
> {{\{!cache=false cost=0}owner_id:w (acl_id:` acl_id:Ik acl_id:Zr acl_id:z>
> acl_id:\)}}
> The probable (untested) solution will be to include a couple of lines at the
> top of toString(), as shown below. A further optimization would be to create
> "void WrappedQuery.getOptions(Appendable out)", to avoid creating a
> StringBuilder inside WrappedQuery.getOptions().
> {code}
> public static void toString(Query query, IndexSchema schema, Appendable out,
> int flags) throws IOException {
> boolean writeBoost = true;
> // Begin new code to handle WrappedQuery
> if (query instanceof WrappedQuery) {
> WrappedQuery q = (WrappedQuery)query;
> out.append (q.getOptions());
> query = q.getWrappedQuery();
> }
> // End new code to handle WrappedQuery
> if (query instanceof TermQuery) {
> ...
> {code}
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