Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/2633#discussion_r114289764
--- Diff:
flink-streaming-connectors/flink-connector-cassandra/src/test/java/org/apache/flink/streaming/connectors/cassandra/CassandraConnectorITCase.java
---
@@ -389,4 +403,54 @@ private TestCassandraTupleWriteAheadSink(String
tableName, TypeSerializer<IN> se
this.tableName = tableName;
}
}
+
+ @Test
+ public void testCassandraScalaTupleAtLeastOnceSinkBuilderDetection()
throws Exception {
+ Class<Tuple1<String>> c = (Class<Tuple1<String>>) new
Tuple1<>("hello").getClass();
+ Seq<TypeInformation<?>> typeInfos =
JavaConverters.asScalaBufferConverter(
+ Arrays.<TypeInformation<?>>asList(new
TypeInformation[]{BasicTypeInfo.STRING_TYPE_INFO})).asScala();
+ Seq<String> fieldNames = JavaConverters.asScalaBufferConverter(
+ Arrays.asList(new String[]{"_1"})).asScala();
+
+ CaseClassTypeInfo<Tuple1<String>> typeInfo = new
CaseClassTypeInfo<Tuple1<String>>(c, null, typeInfos, fieldNames) {
+ @Override
+ public TypeSerializer<Tuple1<String>>
createSerializer(ExecutionConfig config) {
+ return null;
+ }
+ };
+
+ StreamExecutionEnvironment env =
mock(StreamExecutionEnvironment.class);
--- End diff --
I'll fix this and rebase the PR later today.
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