cloud-fan commented on code in PR #41070:
URL: https://github.com/apache/spark/pull/41070#discussion_r1187015154
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sql/catalyst/src/main/java/org/apache/spark/sql/connector/catalog/TableCatalog.java:
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@@ -199,6 +199,14 @@ default Table createTable(
return createTable(ident, CatalogV2Util.v2ColumnsToStructType(columns),
partitions, properties);
}
+ /**
+ * Return whether to reserve schema nullability of query output or forcibly
use nullable schema
+ * on creating table implicitly, e.g. CTAS/RTAS.
+ */
+ default boolean createTableReserveSchemaNullability() {
Review Comment:
how about
```
/**
* If true, mark all the fields of the query schema as nullable when
executing
* CREATE/REPLACE TABLE ... AS SELECT ... and creating the table.
*/
default boolean useNullableQuerySchema
```
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