walterddr commented on a change in pull request #7720:
URL: https://github.com/apache/pinot/pull/7720#discussion_r744909950
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/query/request/context/QueryContext.java
##########
@@ -314,6 +318,10 @@ public void setGroupTrimThreshold(int groupTrimThreshold) {
_groupTrimThreshold = groupTrimThreshold;
}
+ public <K, V> V getOrComputeSharedValue(Class<V> type, K key, Function<K, V>
mapper) {
Review comment:
could you also add some documentation to the class javadoc?
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/query/request/context/QueryContext.java
##########
@@ -74,6 +77,7 @@
private final List<ExpressionContext> _groupByExpressions;
private final FilterContext _havingFilter;
private final List<OrderByExpressionContext> _orderByExpressions;
+ private final Function<Class<?>, Map<?, ?>> _sharedValues =
MemoizedClassAssociation.of(ConcurrentHashMap::new);
Review comment:
nit: can we put this after _brokerRequest? to me all the private final
variable here are parsed from _BrokerRequest thus "immutable", it would be nice
to keep them together
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