waywtdcc commented on code in PR #7009:
URL: https://github.com/apache/hudi/pull/7009#discussion_r1003885199
##########
hudi-flink-datasource/hudi-flink/src/main/java/org/apache/hudi/util/DataTypeUtils.java:
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@@ -123,4 +128,39 @@ public static Object resolvePartition(String partition,
DataType type) {
"Can not convert %s to type %s for partition value",
partition, type));
}
}
+
+ /**
+ * Ensures the give columns of the row data type are not nullable(for
example, the primary keys).
+ *
+ * @param dataType The row data type
+ * @param pkColumns The primary keys
+ * @return a new row data type if any column nullability is tweaked or the
original data type
+ */
+ public static DataType ensureColumnsAsNonNullable(DataType dataType,
@Nullable List<String> pkColumns) {
Review Comment:
Hello, thank you for your reviews. This method is used to convert the
primary key field into not null type.
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