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Posted to issues@nifi.apache.org by GitBox <gi...@apache.org> on 2022/03/25 00:14:07 UTC

[GitHub] [nifi] MikeThomsen opened a new pull request #5900: NIFI-7234 Standardized on Avro 1.11.0

MikeThomsen opened a new pull request #5900:
URL: https://github.com/apache/nifi/pull/5900


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[GitHub] [nifi] MikeThomsen commented on pull request #5900: NIFI-7234 Standardized on Avro 1.11.0

Posted by GitBox <gi...@apache.org>.
MikeThomsen commented on pull request #5900:
URL: https://github.com/apache/nifi/pull/5900#issuecomment-1078930603


   It appears that Avro's default value behavior might have changed between 1.8 and 1.11. Gotta run down that issue. Verified that the build fails on both 1.11 and 1.10.


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[GitHub] [nifi] MikeThomsen commented on a change in pull request #5900: NIFI-7234 Standardized on Avro 1.11.0

Posted by GitBox <gi...@apache.org>.
MikeThomsen commented on a change in pull request #5900:
URL: https://github.com/apache/nifi/pull/5900#discussion_r835955309



##########
File path: nifi-nar-bundles/nifi-hive-bundle/nifi-hive-processors/src/test/java/org/apache/nifi/util/orc/TestNiFiOrcUtils.java
##########
@@ -377,10 +378,11 @@ public static Schema buildComplexAvroSchema() {
 
     public static GenericData.Record buildComplexAvroRecord(Integer i, Map<String, Double> m, String e, Object unionVal, List<Integer> intArray, ByteBuffer decimal) {
         Schema schema = buildComplexAvroSchema();
+        Schema enumSchema = schema.getField("myEnum").schema();
         GenericData.Record row = new GenericData.Record(schema);
         row.put("myInt", i);
         row.put("myMap", m);
-        row.put("myEnum", e);
+        row.put("myEnum", new GenericData.EnumSymbol(enumSchema, e));

Review comment:
       https://issues.apache.org/jira/browse/AVRO-1810




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[GitHub] [nifi] MikeThomsen commented on a change in pull request #5900: NIFI-7234 Standardized on Avro 1.11.0

Posted by GitBox <gi...@apache.org>.
MikeThomsen commented on a change in pull request #5900:
URL: https://github.com/apache/nifi/pull/5900#discussion_r835954005



##########
File path: nifi-nar-bundles/nifi-extension-utils/nifi-record-utils/nifi-avro-record-utils/src/test/resources/org/apache/nifi/avro/defaultArrayInRecords1.json
##########
@@ -16,7 +16,7 @@
                         "items":"int"
                      },
                      "doc":"array of ints",
-                     "default": 0
+                     "default": [ 0 ]

Review comment:
       Not sure why the first one ever worked because the `0` literal is not an array. It broke with the update to 1.11




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[GitHub] [nifi] MikeThomsen commented on a change in pull request #5900: NIFI-7234 Standardized on Avro 1.11.0

Posted by GitBox <gi...@apache.org>.
MikeThomsen commented on a change in pull request #5900:
URL: https://github.com/apache/nifi/pull/5900#discussion_r835953933



##########
File path: nifi-nar-bundles/nifi-extension-utils/nifi-record-utils/nifi-avro-record-utils/src/main/java/org/apache/nifi/avro/AvroTypeUtil.java
##########
@@ -326,7 +326,7 @@ private static Schema nullable(final Schema schema) {
             return Schema.createUnion(unionTypes);
         }
 
-        return Schema.createUnion(Schema.create(Type.NULL), schema);
+        return Schema.createUnion(schema, Schema.create(Type.NULL));

Review comment:
       Changed this and our test schemas per this line in the Avro Specification:
   
   > default: A default value for this field, only used when reading instances that lack the field for schema evolution purposes. The presence of a default value does not make the field optional at encoding time. Permitted values depend on the field's schema type, according to the table below. **Default values for union fields correspond to the first schema in the union**.




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[GitHub] [nifi] MikeThomsen commented on a change in pull request #5900: NIFI-7234 Standardized on Avro 1.11.0

Posted by GitBox <gi...@apache.org>.
MikeThomsen commented on a change in pull request #5900:
URL: https://github.com/apache/nifi/pull/5900#discussion_r835954170



##########
File path: nifi-nar-bundles/nifi-extension-utils/nifi-record-utils/nifi-avro-record-utils/src/test/resources/org/apache/nifi/avro/schema.json
##########
@@ -1,20 +1,20 @@
 [ {
-	"namespace" : "net.a",
-	"type" : "record",
-	"name" : "O",
-	"fields" : [ {
-		"name" : "hash",
-		"type" : [ "null", {
-			"type" : "map",
-			"values" : "string"
-		} ]
-	} ]
-}, {
 	"namespace" : "net.a",
 	"type" : "record",
 	"name" : "A",
 	"fields" : [ {
 		"name" : "o",
-		"type" : [ "null", "O" ]
+		"type" : [ {

Review comment:
       This appears to have changed with the parsing functionality in 1.9+. Under 1.10 and 1.11, the Avro API was not able to the first type and reference it in the second type until it was embedded in the second type as shown here.




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