gustavodemorais commented on code in PR #28737:
URL: https://github.com/apache/flink/pull/28737#discussion_r3620743152
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docs/content/docs/sql/reference/queries/joins.md:
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@@ -300,6 +300,101 @@ The main difference between above Temporal Table DDL and
Temporal Table Function
- The temporal table DDL can be defined in SQL but temporal table function can
not;
- Both temporal table DDL and temporal table function support temporal join
versioned table, but only temporal table function can temporal join the latest
version of any table/view.
+LATERAL SNAPSHOT Join
+--------------
+
+{{< label Streaming >}} {{< label Batch >}}
+
+A `LATERAL SNAPSHOT` join is a *stream enrichment* join that augments an
append-only table with the current state of an updating table.
+As in the [temporal joins](#temporal-joins), the enriched (left) input is
called the *probe side* and the enriching (right) input is called the *build
side*.
+Every probe-side row is joined with the build-side state that is current at
the time the row is processed.
+
Review Comment:
Either input + query example + and the output or sql query using inline
values + output. Something simple copyble e2e. E.g.
https://nightlies.apache.org/flink/flink-docs-stable/docs/sql/reference/queries/joins/#array-multiset-and-map-expansion
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