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https://issues.apache.org/jira/browse/BEAM-8343?focusedWorklogId=323607&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-323607
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ASF GitHub Bot logged work on BEAM-8343:
----------------------------------------
Author: ASF GitHub Bot
Created on: 04/Oct/19 17:41
Start Date: 04/Oct/19 17:41
Worklog Time Spent: 10m
Work Description: 11moon11 commented on pull request #9731: [BEAM-8343]
Added nessesary methods to BeamSqlTable to enable support for predicate/project
push-down
URL: https://github.com/apache/beam/pull/9731
- Added methods needed for predicate/project push-down to BeamSqlTable
interface.
- Create a sql.meta.BeamSqlTableFilter interface and a default
implementation for it sql.meta.DefaultTableFilter.
Based on top of #9718
Design doc
[link](https://docs.google.com/document/d/1-ysD7U7qF3MAmSfkbXZO_5PLJBevAL9bktlLCerd_jE/edit?usp=sharing).
------------------------
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Issue Time Tracking
-------------------
Worklog Id: (was: 323607)
Time Spent: 50m (was: 40m)
> Add means for IO APIs to support predicate and/or project push-down when
> running SQL pipelines
> ----------------------------------------------------------------------------------------------
>
> Key: BEAM-8343
> URL: https://issues.apache.org/jira/browse/BEAM-8343
> Project: Beam
> Issue Type: New Feature
> Components: dsl-sql
> Reporter: Kirill Kozlov
> Assignee: Kirill Kozlov
> Priority: Major
> Time Spent: 50m
> Remaining Estimate: 0h
>
> The objective is to create a universal way for Beam SQL IO APIs to support
> predicate/project push-down.
> A proposed way to achieve that is by introducing an interface responsible
> for identifying what portion(s) of a Calc can be moved down to IO layer.
> Also, adding following methods to a BeamSqlTable interface to pass necessary
> parameters to IO APIs:
> - BeamSqlTableFilter supportsFilter(RexProgram program, RexNode filter)
> - Boolean supportsProjects()
> - PCollection<Row> buildIOReader(PBegin begin, BeamSqlTableFilter filters,
> List<String> fieldNames)
>
> Design doc
> [link|https://docs.google.com/document/d/1-ysD7U7qF3MAmSfkbXZO_5PLJBevAL9bktlLCerd_jE/edit?usp=sharing].
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