yihua commented on code in PR #13654:
URL: https://github.com/apache/hudi/pull/13654#discussion_r2267924217
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hudi-common/src/main/java/org/apache/hudi/avro/AvroSchemaUtils.java:
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@@ -376,6 +380,180 @@ public static Schema
createNewSchemaFromFieldsWithReference(Schema schema, List<
return newSchema;
}
+ /**
+ * If schemas are projection equivalent, then a record with schema1 does not
need to be projected to schema2
+ * because the projection will be the identity.
+ *
+ * Two schemas are considered projection equivalent if the field names and
types are equivalent.
+ * The names of records, namespaces, or docs do not need to match.
Nullability is ignored.
+ */
+ public static boolean areSchemasProjectionEquivalent(Schema schema1, Schema
schema2) {
Review Comment:
Does this method `areSchemasProjectionEquivalent` provide the same
functionality as `AvroSchemaComparatorForSchemaEvolution#schemaEquals`?
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