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Merge pull request #473 from metamx/fix-caching-npe 

fix npe in CachingQueryRunner
This commit is contained in:
fjy 2014-04-09 18:06:47 -06:00
parent c05f169171 69a8723f18
commit 35c89d29a0
1 changed files with 10 additions and 5 deletions
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15
server/src/main/java/io/druid/client/CachingQueryRunner.java
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@ -84,11 +84,16 @@ public class CachingQueryRunner<T> implements QueryRunner<T>
&& strategy != null
&& cacheConfig.isPopulateCache();
final Cache.NamedKey key = CacheUtil.computeSegmentCacheKey(
segmentIdentifier,
segmentDescriptor,
strategy.computeCacheKey(query)
);
final Cache.NamedKey key;
if(strategy != null && (useCache || populateCache)) {
key = CacheUtil.computeSegmentCacheKey(
segmentIdentifier,
segmentDescriptor,
strategy.computeCacheKey(query)
);
} else {
key = null;
}
if(useCache) {
final Function cacheFn = strategy.pullFromCache();