wuchong commented on a change in pull request #9511: [FLINK-13356][table][docs]
Add documentation for TopN and Deduplication in blink planner
URL: https://github.com/apache/flink/pull/9511#discussion_r316677515
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File path: docs/dev/table/sql.md
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@@ -813,6 +813,222 @@ LIMIT 3
{% top %}
+### Top-N
+
+TopN is used to calculate the maximum/minimum N records in a stream. It can be
flexibly completed based on OVER window aggregation. The grammar is shown as
below:
Review comment:
Oh! Good catch! I missed to remove this line.
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