cloud-fan commented on a change in pull request #24012: [SPARK-26811][SQL] Add
capabilities to v2.Table
URL: https://github.com/apache/spark/pull/24012#discussion_r264765864
##########
File path: sql/core/src/main/java/org/apache/spark/sql/sources/v2/Table.java
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@@ -45,4 +44,9 @@
* empty schema can be returned here.
*/
StructType schema();
+
+ /**
+ * Returns the set of capabilities for this table.
+ */
+ Set<TableCapability> capabilities();
Review comment:
I don't think we will have tons of capabilities, maybe `Array` is good
enough? `Array` is also more java/scala friendly.
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