[
https://issues.apache.org/jira/browse/SOLR-16858?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Joel Bernstein updated SOLR-16858:
----------------------------------
Description:
The KnnQParser is parsing the filter query which limits the rows considered by
the vector query by doing this:
{code:java}
private Query getFilterQuery() throws SolrException, SyntaxError {
boolean isSubQuery = recurseCount != 0;
if (!isFilter() && !isSubQuery) {
String[] filterQueries = req.getParams().getParams(CommonParams.FQ);
if (filterQueries != null && filterQueries.length != 0) {
try {
List<Query> filters = QueryUtils.parseFilterQueries(req);
SolrIndexSearcher.ProcessedFilter processedFilter =
req.getSearcher().getProcessedFilter(filters);
return processedFilter.filter;
} catch (IOException e) {
throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, e);
}
}
}
return null;
}
{code}
This is pulling all filter queries from the main query parameters and using
them to limit the vector query. This is the automatic behavior of the
KnnQParser.
There are cases where you may want to selectively apply different filters. This
can be done by adding an "fq" local parameter to the KnnQParser which would
override the default behavior.
{code:java}
{!knn f=vector topK=10 fq=$kfq}[...]&kfq=myquery
{code}
was:
The KnnQParser is parsing the filter query which limits the rows considered by
the vector query by doing this:
{code:java}
private Query getFilterQuery() throws SolrException, SyntaxError {
boolean isSubQuery = recurseCount != 0;
if (!isFilter() && !isSubQuery) {
String[] filterQueries = req.getParams().getParams(CommonParams.FQ);
if (filterQueries != null && filterQueries.length != 0) {
try {
List<Query> filters = QueryUtils.parseFilterQueries(req);
SolrIndexSearcher.ProcessedFilter processedFilter =
req.getSearcher().getProcessedFilter(filters);
return processedFilter.filter;
} catch (IOException e) {
throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, e);
}
}
}
return null;
}
{code}
This is pulling all filter queries from the main query parameters and using
them to limit the vector query. This is the automatic behavior of the
KnnQParser.
There are cases where you may want to selectively apply different filters. This
can be done adding an "fq" local parameter to the KnnQParser which would
override the default behavior.
{code:java}
{!knn f=vector topK=10 fq=$kfq}[...]&kfq=myquery
{code}
> Allow KnnQParser to selectively apply filters
> ---------------------------------------------
>
> Key: SOLR-16858
> URL: https://issues.apache.org/jira/browse/SOLR-16858
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
> Priority: Major
>
> The KnnQParser is parsing the filter query which limits the rows considered
> by the vector query by doing this:
> {code:java}
> private Query getFilterQuery() throws SolrException, SyntaxError {
> boolean isSubQuery = recurseCount != 0;
> if (!isFilter() && !isSubQuery) {
> String[] filterQueries = req.getParams().getParams(CommonParams.FQ);
> if (filterQueries != null && filterQueries.length != 0) {
> try {
> List<Query> filters = QueryUtils.parseFilterQueries(req);
> SolrIndexSearcher.ProcessedFilter processedFilter =
> req.getSearcher().getProcessedFilter(filters);
> return processedFilter.filter;
> } catch (IOException e) {
> throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, e);
> }
> }
> }
> return null;
> }
> {code}
> This is pulling all filter queries from the main query parameters and using
> them to limit the vector query. This is the automatic behavior of the
> KnnQParser.
> There are cases where you may want to selectively apply different filters.
> This can be done by adding an "fq" local parameter to the KnnQParser which
> would override the default behavior.
> {code:java}
> {!knn f=vector topK=10 fq=$kfq}[...]&kfq=myquery
> {code}
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