nbalajee commented on a change in pull request #2309:
URL: https://github.com/apache/hudi/pull/2309#discussion_r549443776
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File path:
hudi-common/src/test/java/org/apache/hudi/avro/TestHoodieAvroUtils.java
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@@ -207,4 +208,82 @@ public void testAddingAndRemovingMetadataFields() {
Schema schemaWithoutMetaCols =
HoodieAvroUtils.removeMetadataFields(schemaWithMetaCols);
assertEquals(schemaWithoutMetaCols.getFields().size(),
NUM_FIELDS_IN_EXAMPLE_SCHEMA);
}
+
+ @Test
+ public void testRewriteToEvolvedNestedRecord() throws Exception {
+ // schema definition for inner record
+ Schema nestedSchema =
SchemaBuilder.record("inner_rec").fields().requiredDouble("color_id").endRecord();
+ Schema evolvedNestedSchema =
SchemaBuilder.record("inner_rec").fields().requiredDouble("color_id")
+ .optionalString("color_name").endRecord();
+
+ // schema definition for outer record
+ Schema recordSchema =
SchemaBuilder.record("outer_rec").fields().requiredDouble("timestamp")
+
.requiredString("_row_key").requiredString("non_pii_col").name("color_rec").type(nestedSchema)
+ .noDefault().requiredString("pii_col").endRecord();
+ Schema evolvedRecordSchema =
SchemaBuilder.record("outer_rec").fields().requiredDouble("timestamp")
+
.requiredString("_row_key").requiredString("non_pii_col").name("color_rec").type(evolvedNestedSchema)
+ .noDefault().requiredString("pii_col").endRecord();
+
+ // populate inner record, with fewer fields
+ GenericRecord nestedRec = new GenericData.Record(nestedSchema);
+ nestedRec.put("color_id", 55.5);
+
+ // populate outer record
+ GenericRecord rec = new GenericData.Record(recordSchema);
+ rec.put("timestamp", 3.5);
+ rec.put("_row_key", "key1");
+ rec.put("non_pii_col", "val1");
+ rec.put("color_rec", nestedRec);
+ rec.put("pii_col", "val2");
+
+ // rewrite record with less number of fields into an evolved record (with
optional fields added).
+ try {
+ GenericRecord newRecord =
HoodieAvroUtils.rewriteRecordWithOnlyNewSchemaFields(rec, evolvedRecordSchema);
+ assertEquals(newRecord.get("pii_col"), "val2");
+
assertEquals(((GenericRecord)newRecord.get("color_rec")).get("color_name"),
null);
Review comment:
Swapped the parameters to fix assertEquals.
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