[jira] [Created] (SPARK-1363) Add streaming support for Spark SQL module

["Saisai Shao (JIRA)" <ji...@apache.org>]

Saisai Shao created SPARK-1363:
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             Summary: Add streaming support for Spark SQL module
                 Key: SPARK-1363
                 URL: https://issues.apache.org/jira/browse/SPARK-1363
             Project: Spark
          Issue Type: New Feature
          Components: SQL
            Reporter: Saisai Shao


Currently there exists some projects like Pig On Storm, SQL on storm (Squall, SQLstream) that can query over streaming data, but for Spark Streaming, it is a blank area. It will be a good feature to add streaming supported SQL to Spark SQL.

>From semantic perspective, DStream is quite alike RDD, they both have join, filter, groupBy operators and so on, also DStream is backed by RDD, so it is transplant-able and reusable from existing spark plan.

Also Catalyst has a clear division for each step, we can fully use its parse and logical plan analysis steps,  with only different physical plan.

So here we propose to add streaming support in Catalyst.



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