somandal commented on code in PR #9117:
URL: https://github.com/apache/pinot/pull/9117#discussion_r933440047
##########
pinot-core/src/main/java/org/apache/pinot/core/operator/InstanceResponseOperator.java:
##########
@@ -101,10 +112,33 @@ protected InstanceResponseBlock getNextBlock() {
responseMetaData
.put(MetadataKey.SYSTEM_ACTIVITIES_CPU_TIME_NS.getName(),
String.valueOf(systemActivitiesCpuTimeNs));
+ // TODO: Remove this once the SelectionOrderByOperator is modified to
throw an exception to catch cases where
+ // an MV column (identifier or via transform) is present on the
order-by list
+ logAndEmitMetricForQueryHasMVSelectionOrderBy(intermediateResultsBlock);
+
return instanceResponseBlock;
} else {
- return new InstanceResponseBlock(getCombinedResults());
+ // TODO: Remove this once the SelectionOrderByOperator is modified to
throw an exception to catch cases where
+ // an MV column (identifier or via transform) is present on the
order-by list
+ IntermediateResultsBlock intermediateResultsBlock = getCombinedResults();
+ logAndEmitMetricForQueryHasMVSelectionOrderBy(intermediateResultsBlock);
+
+ return new InstanceResponseBlock(intermediateResultsBlock);
+ }
+ }
+
+ private void
logAndEmitMetricForQueryHasMVSelectionOrderBy(IntermediateResultsBlock
intermediateResultsBlock) {
+ if (!intermediateResultsBlock.isQueryHasMVSelectionOrderBy()) {
+ return;
+ }
+
+ String tableName = _queryContext.getTableName();
+ if (_serverMetrics != null) {
+ _serverMetrics.addMeteredTableValue(tableName,
ServerMeter.QUERY_HAS_MV_SELECTION_ORDER_BY, 1);
}
+ List<OrderByExpressionContext> orderByExpressions =
_queryContext.getOrderByExpressions();
+ LOGGER.warn("Table {} has MV column in ORDER BY. Expressions: {}",
tableName,
+ orderByExpressions == null ? "" : orderByExpressions);
Review Comment:
okay i'll remove that, thanks!
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