gortiz commented on code in PR #15245:
URL: https://github.com/apache/pinot/pull/15245#discussion_r2005261336
##########
pinot-query-runtime/src/main/java/org/apache/pinot/query/runtime/plan/pipeline/PipelineBreakerOperator.java:
##########
@@ -42,15 +42,13 @@ public class PipelineBreakerOperator extends
MultiStageOperator {
private static final Logger LOGGER =
LoggerFactory.getLogger(PipelineBreakerOperator.class);
private static final String EXPLAIN_NAME = "PIPELINE_BREAKER";
- private final Map<Integer, Operator<TransferableBlock>> _workerMap;
+ private final Map<Integer, MultiStageOperator> _workerMap;
- private Map<Integer, List<TransferableBlock>> _resultMap;
- private TransferableBlock _errorBlock;
- @Nullable
- private MultiStageQueryStats _queryStats = null;
+ private Map<Integer, List<MseBlock>> _resultMap;
+ private ErrorMseBlock _errorBlock;
private final StatMap<StatKey> _statMap = new StatMap<>(StatKey.class);
- public PipelineBreakerOperator(OpChainExecutionContext context, Map<Integer,
Operator<TransferableBlock>> workerMap) {
+ public PipelineBreakerOperator(OpChainExecutionContext context, Map<Integer,
MultiStageOperator> workerMap) {
Review Comment:
Pipeline breakers are not very well explained. They are our way of
implementing dynamic filters (see [our
docs](https://docs.pinot.apache.org/users/user-guide-query/multi-stage-query/optimizing-joins#optimizing-semi-join-to-use-indexes)
or [Trino docs](https://trino.io/episodes/11.html) or [our SQL or death talk
last month](https://www.youtube.com/watch?v=yRMhAL_6f4o))
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