[jira] [Work logged] (BEAM-9198) BeamSQL aggregation analytics functionality

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-9198?focusedWorklogId=671564&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-671564 ]

ASF GitHub Bot logged work on BEAM-9198:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 28/Oct/21 17:46
            Start Date: 28/Oct/21 17:46
    Worklog Time Spent: 10m 
      Work Description: chamini2 commented on pull request #12595:
URL: https://github.com/apache/beam/pull/12595#issuecomment-954064499


   Hi, did this get merged on a different PR? I cannot find it 


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 671564)
    Time Spent: 9h 50m  (was: 9h 40m)

> BeamSQL aggregation analytics functionality 
> --------------------------------------------
>
>                 Key: BEAM-9198
>                 URL: https://issues.apache.org/jira/browse/BEAM-9198
>             Project: Beam
>          Issue Type: New Feature
>          Components: dsl-sql
>            Reporter: Rui Wang
>            Priority: P3
>              Labels: gsoc, gsoc2020, mentor
>          Time Spent: 9h 50m
>  Remaining Estimate: 0h
>
> Mentor email: ruwang@google.com. Feel free to send emails for your questions.
> Project Information
> ---------------------
> BeamSQL has a long list of of aggregation/aggregation analytics functionalities to support. 
> To begin with, you will need to support this syntax:
> {code:sql}
> analytic_function_name ( [ argument_list ] )
>   OVER (
>     [ PARTITION BY partition_expression_list ]
>     [ ORDER BY expression [{ ASC | DESC }] [, ...] ]
>     [ window_frame_clause ]
>   )
> {code}
> As there is a long list of analytics functions, a good start point is support rank() first.
> This will requires touch core components of BeamSQL:
> 1. SQL parser to support the syntax above.
> 2. SQL core to implement physical relational operator.
> 3. Distributed algorithms to implement a list of functions in a distributed manner. 
> 4. Enable in ZetaSQL dialect.
> To understand what SQL analytics functionality is, you could check this great explanation doc: https://cloud.google.com/bigquery/docs/reference/standard-sql/analytic-function-concepts.
> To know about Beam's programming model, check: https://beam.apache.org/documentation/programming-guide/#overview



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