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Fix analyzed prefix query in query_string #35756

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merged 1 commit into from Nov 23, 2018
Merged

Fix analyzed prefix query in query_string #35756

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11 changes: 7 additions & 4 deletions server/src/main/java/org/elasticsearch/index/search/QueryStringQueryParser.java
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Expand Up @@ -484,10 +484,13 @@ protected Query getPrefixQuery(String field, String termStr) throws ParseExcepti
List<Query> queries = new ArrayList<>();
for (Map.Entry<String, Float> entry : fields.entrySet()) {
Query q = getPrefixQuerySingle(entry.getKey(), termStr);
assert q != null;
queries.add(applyBoost(q, entry.getValue()));
if (q != null) {
queries.add(applyBoost(q, entry.getValue()));
}
}
if (queries.size() == 1) {
if (queries.isEmpty()) {
return null;
} else if (queries.size() == 1) {
return queries.get(0);
} else {
float tiebreaker = groupTieBreaker == null ? type.tieBreaker() : groupTieBreaker;
Expand Down Expand Up @@ -561,7 +564,7 @@ private Query getPossiblyAnalyzedPrefixQuery(String field, String termStr) throw
}

if (tlist.size() == 0) {
return super.getPrefixQuery(field, termStr);
return null;
}

if (tlist.size() == 1 && tlist.get(0).size() == 1) {
Expand Down
10 changes: 10 additions & 0 deletions server/src/test/java/org/elasticsearch/index/query/QueryStringQueryBuilderTests.java
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Expand Up @@ -1422,6 +1422,16 @@ public void testPhraseSlop() throws Exception {
assertEquals(expected, query);
}

public void testAnalyzedPrefix() throws Exception {
Query query = new QueryStringQueryBuilder("quick* @&*")
.field(STRING_FIELD_NAME)
.analyzer("standard")
.analyzeWildcard(true)
.toQuery(createShardContext());
Query expected = new PrefixQuery(new Term(STRING_FIELD_NAME, "quick"));
assertEquals(expected, query);
}

private static IndexMetaData newIndexMeta(String name, Settings oldIndexSettings, Settings indexSettings) {
Settings build = Settings.builder().put(oldIndexSettings)
.put(indexSettings)
Expand Down