From e74f559fd4cb5b80a62c769517b53bddb91be53e Mon Sep 17 00:00:00 2001
From: Martijn van Groningen <martijn.v.groningen@gmail.com>
Date: Tue, 18 Aug 2015 12:27:47 +0200
Subject: [PATCH] parent/child: Explicitly disabled the query cache

It was already disabled, but during tests the test framework enabled the query cache by setting the static default query cache. The caching behaviour should be the same in production and in tests.
---
 .../java/org/elasticsearch/index/query/HasChildQueryParser.java  | 1 +
 1 file changed, 1 insertion(+)

diff --git a/core/src/main/java/org/elasticsearch/index/query/HasChildQueryParser.java b/core/src/main/java/org/elasticsearch/index/query/HasChildQueryParser.java
index c5388b16557..d911005eb89 100644
--- a/core/src/main/java/org/elasticsearch/index/query/HasChildQueryParser.java
+++ b/core/src/main/java/org/elasticsearch/index/query/HasChildQueryParser.java
@@ -258,6 +258,7 @@ public class HasChildQueryParser implements QueryParser {
             String joinField = ParentFieldMapper.joinField(parentType);
             IndexReader indexReader = searchContext.searcher().getIndexReader();
             IndexSearcher indexSearcher = new IndexSearcher(indexReader);
+            indexSearcher.setQueryCache(null);
             IndexParentChildFieldData indexParentChildFieldData = parentChildIndexFieldData.loadGlobal(indexReader);
             MultiDocValues.OrdinalMap ordinalMap = ParentChildIndexFieldData.getOrdinalMap(indexParentChildFieldData, parentType);
             return JoinUtil.createJoinQuery(joinField, innerQuery, toQuery, indexSearcher, scoreMode, ordinalMap, minChildren, maxChildren);