@Override
public CollectionStatistics collectionStatistics(String field) throws IOException {
if (aggregatedDfs == null) {
// we are either executing the dfs phase or the search_type doesn't include the dfs phase.
return super.collectionStatistics(field);
}
CollectionStatistics collectionStatistics = aggregatedDfs.fieldStatistics().get(field);
if (collectionStatistics == null) {
// we don't have stats for this - this might be a must_not clauses etc. that doesn't allow
// extract terms on the query
return super.collectionStatistics(field);
}
return collectionStatistics;
}
@Override
public TermStatistics termStatistics(Term term, TermContext context) throws IOException {
if (aggregatedDfs == null) {
// we are either executing the dfs phase or the search_type doesn't include the dfs phase.
return super.termStatistics(term, context);
}
TermStatistics termStatistics = aggregatedDfs.termStatistics().get(term);
if (termStatistics == null) {
// we don't have stats for this - this might be a must_not clauses etc. that doesn't allow
// extract terms on the query
return super.termStatistics(term, context);
}
return termStatistics;
}