beliefer commented on code in PR #36295:
URL: https://github.com/apache/spark/pull/36295#discussion_r874600195
##########
sql/catalyst/src/main/java/org/apache/spark/sql/connector/read/SupportsPushDownLimit.java:
##########
@@ -21,8 +21,8 @@
/**
* A mix-in interface for {@link ScanBuilder}. Data sources can implement this
interface to
- * push down LIMIT. Please note that the combination of LIMIT with other
operations
- * such as AGGREGATE, GROUP BY, SORT BY, CLUSTER BY, DISTRIBUTE BY, etc. is
NOT pushed down.
+ * push down LIMIT. We can push down LIMIT with many other operations if they
follow the
+ * operator order we defined in {@link ScanBuilder}'s class doc.
Review Comment:
OK
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