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https://issues.apache.org/jira/browse/FLINK-6225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16222852#comment-16222852
 ] 

ASF GitHub Bot commented on FLINK-6225:
---------------------------------------

Github user fhueske commented on a diff in the pull request:

    https://github.com/apache/flink/pull/3748#discussion_r147456818
  
    --- Diff: 
flink-connectors/flink-connector-cassandra/src/main/java/org/apache/flink/streaming/connectors/cassandra/CassandraSink.java
 ---
    @@ -375,6 +381,34 @@ protected void sanityCheck() {
        }
     
        /**
    +    * Builder for a {@link CassandraRowSink}.
    +    */
    +   public static class CassandraRowSinkBuilder extends 
CassandraSinkBuilder<Row> {
    +           public CassandraRowSinkBuilder(DataStream<Row> input, 
TypeInformation<Row> typeInfo, TypeSerializer<Row> serializer) {
    +                   super(input, typeInfo, serializer);
    +           }
    +
    +           @Override
    +           protected void sanityCheck() {
    +                   super.sanityCheck();
    +                   if (query == null || query.length() == 0) {
    +                           throw new IllegalArgumentException("Query must 
not be null or empty.");
    +                   }
    +           }
    +
    +           @Override
    +           protected CassandraSink<Row> createSink() throws Exception {
    +                   return new CassandraSink<>(input.addSink(new 
CassandraRowSink(query, builder)).name("Cassandra Sink"));
    +
    +           }
    +
    +           @Override
    +           protected CassandraSink<Row> createWriteAheadSink() throws 
Exception {
    +                   throw new IllegalArgumentException("Exactly-once 
guarantees can only be provided for tuple types.");
    --- End diff --
    
    I had a look at `CassandraTupleWriteAheadSink`. It would be straightforward 
to copy and adapt it for `Row`.


> Support Row Stream for CassandraSink
> ------------------------------------
>
>                 Key: FLINK-6225
>                 URL: https://issues.apache.org/jira/browse/FLINK-6225
>             Project: Flink
>          Issue Type: New Feature
>          Components: Cassandra Connector
>    Affects Versions: 1.3.0
>            Reporter: Jing Fan
>            Assignee: Haohui Mai
>             Fix For: 1.4.0
>
>
> Currently in CassandraSink, specifying query is not supported for row-stream. 
> The solution should be similar to CassandraTupleSink.



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