gianm commented on a change in pull request #7325: Fix result-level cache for
queries
URL: https://github.com/apache/incubator-druid/pull/7325#discussion_r276423008
##########
File path:
processing/src/main/java/org/apache/druid/query/groupby/GroupByQueryQueryToolChest.java
##########
@@ -481,6 +481,30 @@ public boolean isCacheable(GroupByQuery query, boolean
willMergeRunners)
.build();
}
+ @Override
+ public byte[] computeResultLevelCacheKey(GroupByQuery query)
+ {
+ final CacheKeyBuilder builder = new CacheKeyBuilder(GROUPBY_QUERY)
+ .appendByte(CACHE_STRATEGY_VERSION)
+ .appendCacheable(query.getGranularity())
+ .appendCacheable(query.getDimFilter())
+ .appendCacheables(query.getAggregatorSpecs())
+ .appendCacheables(query.getDimensions())
+ .appendCacheable(query.getVirtualColumns())
+ .appendCacheable(query.getHavingSpec())
+ .appendCacheable(query.getLimitSpec());
+
+ if (!query.getPostAggregatorSpecs().isEmpty()) {
Review comment:
Might as well add the post-aggregator specs unconditionally.
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