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Posted to commits@samza.apache.org by "Chris Riccomini (JIRA)" <ji...@apache.org> on 2015/02/13 22:35:11 UTC
[jira] [Resolved] (SAMZA-483) A common representation of relational
algebra for streaming SQL
[ https://issues.apache.org/jira/browse/SAMZA-483?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chris Riccomini resolved SAMZA-483.
-----------------------------------
Resolution: Fixed
+1 Merged and committed. I don't want to merge this into master until we understand the details about conjars and the \-jhyde JARs.
> A common representation of relational algebra for streaming SQL
> ----------------------------------------------------------------
>
> Key: SAMZA-483
> URL: https://issues.apache.org/jira/browse/SAMZA-483
> Project: Samza
> Issue Type: Sub-task
> Components: sql
> Affects Versions: 0.9.0
> Reporter: Yi Pan (Data Infrastructure)
> Assignee: Milinda Lakmal Pathirage
> Priority: Minor
> Labels: project
> Attachments: SAMZA-483-1.patch, SAMZA-483-2.patch, SAMZA-483-3.patch, SAMZA-483-4.patch, SAMZA-483-5.patch, SAMZA-483-6.patch, SAMZA-483-7.patch, calcite-integration-prototype.patch
>
>
> Per discussion with [~criccomini] and [~milinda], we agreed that it seems to be a good idea to define a common representation of relational algebra on top of the operators defined in the operator layer (see SAMZA-482), which can be the common base that we can use to generate the description/configuration of a Samza job.
> This common layer can also be used by DSL-like language parser as a result of parsing a DSL program.
> Some additional requirements needed in addition to pure relational algebra:
> 1) the common representation should include window operators and stream operators (i.e. IStream/DStream/RStream)
> 2) the common representation should include description on parallelism of the jobs (i.e. how many partitions the resultant Samza job will use)
> Some references:
> http://web.cs.wpi.edu/~mukherab/i/DCAPE.pdf
> https://cs.uwaterloo.ca/~david/cs848/stream-cql.pdf
> http://davis.wpi.edu/dsrg/PROJECTS/CAPE/publications.htm
> http://davis.wpi.edu/dsrg/PROJECTS/CAPE/slides.htm
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