beliefer commented on a change in pull request #35360:
URL: https://github.com/apache/spark/pull/35360#discussion_r795121820
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File path:
sql/catalyst/src/main/java/org/apache/spark/sql/connector/read/SupportsPushDownAggregates.java
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@@ -47,6 +47,13 @@
@Evolving
public interface SupportsPushDownAggregates extends ScanBuilder {
+ /**
+ * Whether enable aggregation push-down.
+ *
+ * @return true if enable aggregation push-down, false otherwise.
+ */
+ default boolean enablePushAggregation() { return true; }
Review comment:
The current implement do a lot work(e.g. collect aggregates, normalize
expressions, translate aggregation, split AVG into SUM and COUNT and so on).
After all these efforts, you told me that the parameter configuration did not
agree to push down, which was obviously unreasonable.
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