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https://issues.apache.org/jira/browse/FLINK-8655?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16477074#comment-16477074
]
ASF GitHub Bot commented on FLINK-8655:
---------------------------------------
Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/5964#discussion_r188545761
--- Diff:
flink-connectors/flink-connector-cassandra/src/main/java/org/apache/flink/streaming/connectors/cassandra/CassandraSink.java
---
@@ -381,6 +393,9 @@ protected void sanityCheck() {
if (query == null || query.length() == 0) {
throw new IllegalArgumentException("Query must
not be null or empty.");
}
+ if (keyspace != null && keyspace.length() != 0) {
+ throw new IllegalArgumentException("Specifying
a keyspace is only allowed when using a Pojo-Stream as input.");
--- End diff --
"default keyspace"
> Add a default keyspace to CassandraSink
> ---------------------------------------
>
> Key: FLINK-8655
> URL: https://issues.apache.org/jira/browse/FLINK-8655
> Project: Flink
> Issue Type: Improvement
> Components: Cassandra Connector
> Affects Versions: 1.4.0
> Reporter: Christopher Hughes
> Priority: Minor
> Labels: features
> Fix For: 1.6.0
>
>
> Currently, to use the CassandraPojoSink, it is necessary for a user to
> provide keyspace information on the desired POJOs using datastax annotations.
> This allows various POJOs to be written to multiple keyspaces while sinking
> messages, but prevent runtime flexibility.
> For many developers, non-production environments may all share a single
> Cassandra instance differentiated by keyspace names. I propose adding a
> `defaultKeyspace(String keyspace)` to the ClusterBuilder. POJOs lacking a
> definitive keyspace would attempt to be loaded to the provided default.
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