rdsr commented on a change in pull request #1046:
URL: https://github.com/apache/incubator-iceberg/pull/1046#discussion_r428681937
##########
File path: api/src/main/java/org/apache/iceberg/types/Types.java
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@@ -641,6 +650,13 @@ public int hashCode() {
}
return fieldsById;
}
+
+ /**
+ * @return true if struct represents union schema
+ */
+ public boolean isUnionSchema() {
Review comment:
Why do we need this in the main API? The API should not expose unions
or info about union. Can't we do the translation in during data reading?
Both Avro and ORC will take read schemas. IMO if the underlying file schema
is a union and the read schema is a struct, the translation should happen there.
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