davidradl commented on code in PR #26740:
URL: https://github.com/apache/flink/pull/26740#discussion_r2189451594
##########
docs/content/docs/dev/table/types.md:
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@@ -1467,6 +1468,38 @@ DataTypes.DESCRIPTOR()
{{< /tab >}}
{{< /tabs >}}
+#### `VARIANT`
+
+Data type of semi-structured data.
+
+The type supports storing any semi-structured data, including `ARRAY`, `MAP`,
and scalar types.
+`VARIANT` can only store `MAP` types with keys of type `STRING`. The data type
of the fields are
+stored in the data structure, which is close to the semantics of JSON.
Compared to `ROW` and
+`STRUCTURED` type, `VARIANT` type has the flexibility that supports highly
nested and evolving
+schema.
+
+**Declaration**
+
+{{< tabs "25c30432-8460-441d-a036-9416d8202882" >}}
+{{< tab "SQL" >}}
+```text
+VARIANT
Review Comment:
Examples for all the cases that this is useful - will help people want to
use it. projection pushdown with shredding sounds interesting.
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