public void testToQueryRegExpQuery() throws Exception {
assumeTrue("test runs only when at least a type is registered", getCurrentTypes().length > 0);
Query query =
queryStringQuery("/foo*bar/")
.defaultField(STRING_FIELD_NAME)
.maxDeterminizedStates(5000)
.toQuery(createShardContext());
assertThat(query, instanceOf(RegexpQuery.class));
RegexpQuery regexpQuery = (RegexpQuery) query;
assertTrue(regexpQuery.toString().contains("/foo*bar/"));
}
@Override
public Query regexpQuery(
Object value,
int flags,
int maxDeterminizedStates,
@Nullable MultiTermQuery.RewriteMethod method,
@Nullable QueryParseContext context) {
if (fieldType.indexOptions() != IndexOptions.NONE || context == null) {
return super.regexpQuery(value, flags, maxDeterminizedStates, method, context);
}
Collection<String> queryTypes = context.queryTypes();
if (queryTypes.size() == 1) {
RegexpQuery regexpQuery =
new RegexpQuery(
new Term(
UidFieldMapper.NAME,
Uid.createUidAsBytes(
Iterables.getFirst(queryTypes, null), BytesRefs.toBytesRef(value))),
flags,
maxDeterminizedStates);
if (method != null) {
regexpQuery.setRewriteMethod(method);
}
return regexpQuery;
}
BooleanQuery query = new BooleanQuery();
for (String queryType : queryTypes) {
RegexpQuery regexpQuery =
new RegexpQuery(
new Term(
UidFieldMapper.NAME,
Uid.createUidAsBytes(queryType, BytesRefs.toBytesRef(value))),
flags,
maxDeterminizedStates);
if (method != null) {
regexpQuery.setRewriteMethod(method);
}
query.add(regexpQuery, BooleanClause.Occur.SHOULD);
}
return query;
}