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ASF GitHub Bot logged work on BEAM-8343: ---------------------------------------- Author: ASF GitHub Bot Created on: 10/Oct/19 15:28 Start Date: 10/Oct/19 15:28 Worklog Time Spent: 10m Work Description: apilloud 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 ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking ------------------- Worklog Id: (was: 326396) Time Spent: 5h (was: 4h 50m) > 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: 5h > 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]. -- This message was sent by Atlassian Jira (v8.3.4#803005)