Timo Walther created FLINK-19978:
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Summary: Add StreamStatementSet.attachToStream
Key: FLINK-19978
URL: https://issues.apache.org/jira/browse/FLINK-19978
Project: Flink
Issue Type: Sub-task
Components: Table SQL / API
Reporter: Timo Walther
StatementSet solves use cases for pure SQL & Table API pipelines. However,
currently there is no way of creating StatementSet for a DataStream API job.
We propose the following API:
{code}
StreamTableEnvironment.createStatementSet(): StreamStatementSet // return a
stream-specific set
StreamStatementSet extends StatementSet {
/**
* Attaches the optimized statement set to the DataStream pipeline.
*/
attachToStream(): Unit
}
{code}
An example could look like:
{code}
StreamExecutionEnvironment env =
StreamExecutionEnvironment.getExecutionEnvironment();
StreamTableEnvironment tEnv = StreamTableEnvironment.create(env);
tEnv
.createStatementSet()
.addInsert(tEnv.from("FromTable"))
.attachToStream();
tEnv.from("OtherTable").toDataStream(...) // continue with further operations
{code}
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