@Override
 public String explain() {
   String baseExplain = super.explain();
   Where where = this.connectedWhere;
   QueryBuilder explan = null;
   try {
     if (where != null) explan = QueryMaker.explan(where, false);
   } catch (SqlParseException e) {
   }
   String conditions = explan == null ? "Could not parse conditions" : explan.toString();
   String nestedExplain =
       "Nested Loops \n run first query , and for each result run second query with additional conditions :\n"
           + conditions
           + "\n"
           + baseExplain;
   return nestedExplain;
 }
Пример #2
0
 public List<String> autocomplete(String prefix, int limit) {
   SearchRequestBuilder builder = new SearchRequestBuilder(factory.client());
   builder.setIndices(Constants.INDEX).setTypes(Constants.TYPE);
   builder.setSearchType(SearchType.DEFAULT);
   builder.setFrom(0).setSize(limit).setExplain(IS_EXPLAIN);
   QueryBuilder queryBuilder = QueryBuilders.matchPhraseQuery("title", prefix);
   builder.setQuery(queryBuilder.toString());
   logger.info("Search qeury");
   logger.info(builder.toString());
   SearchResponse sr = builder.execute().actionGet();
   logger.info("Search response");
   logger.info(sr.toString());
   Iterator<SearchHit> it = sr.getHits().iterator();
   while (it.hasNext()) {
     SearchHit hit = it.next();
     hit.getSource();
   }
   return Arrays.asList("a", "b", "c");
 }