You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@beam.apache.org by "Kirill Kozlov (Jira)" <ji...@apache.org> on 2019/10/23 20:44:00 UTC

[jira] [Created] (BEAM-8468) Add predicate/filter push-down capability to IO APIs

Kirill Kozlov created BEAM-8468:
-----------------------------------

             Summary: Add predicate/filter push-down capability to IO APIs
                 Key: BEAM-8468
                 URL: https://issues.apache.org/jira/browse/BEAM-8468
             Project: Beam
          Issue Type: New Feature
          Components: dsl-sql
            Reporter: Kirill Kozlov
            Assignee: Kirill Kozlov


* InMemoryTable should implement a following methods:

 
{code:java}
public PCollection<Row> buildIOReader(
    PBegin begin, BeamSqlTableFilter filters, List<String> fieldNames);

public BeamSqlTableFilter constructFilter(List<RexNode> filter);
{code}
 * Update a push-down rule to support predicate/filter push-down.
 * Create a class

{code:java}
class TestTableFilter implements BeamSqlTableFilter{code}

 



--
This message was sent by Atlassian Jira
(v8.3.4#803005)