richardstartin commented on a change in pull request #8408:
URL: https://github.com/apache/pinot/pull/8408#discussion_r837703704
##########
File path:
pinot-core/src/main/java/org/apache/pinot/core/operator/query/NonScanBasedAggregationOperator.java
##########
@@ -122,8 +131,26 @@ protected IntermediateResultsBlock getNextBlock() {
return new IntermediateResultsBlock(_aggregationFunctions,
aggregationResults, false);
}
- private double toDouble(Comparable value) {
- if (value instanceof Number) {
+ private static Double getMinValue(DataSource dataSource) {
+ Dictionary dictionary = dataSource.getDictionary();
+ if (dictionary != null) {
+ return toDouble(dictionary.getMinVal());
+ }
+ return toDouble(dataSource.getDataSourceMetadata().getMinValue());
Review comment:
it's nullable, so no. DataSources without dictionaries but with valid
metadata qualify for use now. This cost of this check is kind of a 3rd or 4th
order effect in the scope of a query.
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