clairemcginty commented on code in PR #1078:
URL: https://github.com/apache/parquet-mr/pull/1078#discussion_r1182538420
##########
parquet-avro/src/main/java/org/apache/parquet/avro/AvroRecordConverter.java:
##########
@@ -169,6 +172,46 @@ public void add(Object value) {
}
}
+ /**
+ * Returns the specific data model for a given SpecificRecord schema by
reflecting the underlying
+ * Avro class's `MODEL$` field, or Null if the class is not on the classpath
or reflection fails.
+ */
+ static SpecificData getModelForSchema(Schema schema) {
+ final Class<?> clazz;
+
+ if (schema != null && (schema.getType() == Schema.Type.RECORD ||
schema.getType() == Schema.Type.UNION)) {
+ clazz = SpecificData.get().getClass(schema);
+ } else {
+ return null;
+ }
+
+ final SpecificData model;
+ try {
+ final Field modelField = clazz.getDeclaredField("MODEL$");
+ modelField.setAccessible(true);
+
+ model = (SpecificData) modelField.get(null);
+ } catch (Exception e) {
Review Comment:
that sounds good! I had planned to add logging originally, but I saw that
there were 0 log statements in parquet-avro (and the slf4j dependencies for the
module are
[scoped](https://github.com/apache/parquet-mr/blob/master/parquet-avro/pom.xml#L76-L80)
to `test`). So I'd have to import slf4j into the compile scope as well.
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