lokesh-lingarajan-0310 commented on code in PR #9743:
URL: https://github.com/apache/hudi/pull/9743#discussion_r1357700698
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hudi-common/src/main/java/org/apache/hudi/avro/AvroSchemaUtils.java:
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@@ -116,9 +116,26 @@ public static String getAvroRecordQualifiedName(String
tableName) {
return "hoodie." + sanitizedTableName + "." + sanitizedTableName +
"_record";
}
+
+ /**
+ * Validate whether the {@code targetSchema} is a valid evolution of {@code
sourceSchema}.
+ * Basically {@link #isCompatibleProjectionOf(Schema, Schema)} but type
promotion in the
+ * opposite direction
+ */
+ public static boolean isValidEvolutionOf(Schema sourceSchema, Schema
targetSchema) {
Review Comment:
@jonvex , can we do 2 kinds of evolution in a single batch eg., drop column
and nested type evolution ? I think we need to test these scenarios so we can
set the correct expectation in the product
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