[jira] [Updated] (HAWQ-931) HiveORCAccessor with support for Predicate pushdown and Column Projection

["Goden Yao (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HAWQ-931?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Goden Yao updated HAWQ-931:
---------------------------
    Summary: HiveORCAccessor with support for Predicate pushdown and Column Projection  (was: HiveORCAccessor with support for Predicate pushdown and Column proj)

> HiveORCAccessor with support for Predicate pushdown and Column Projection
> -------------------------------------------------------------------------
>
>                 Key: HAWQ-931
>                 URL: https://issues.apache.org/jira/browse/HAWQ-931
>             Project: Apache HAWQ
>          Issue Type: Sub-task
>          Components: PXF
>            Reporter: Shivram Mani
>            Assignee: Shivram Mani
>             Fix For: backlog
>
>
> HiveORCAccessor will be a subclass of the existing HiveAccessor with support for Predicate Pushdown and Column projection.
> We will be using the job configuration object which is used by the ORC reader.
> We will  map the filter information passed from HAWQ via PXF into SearchArgument object and set in sarg.pushdown configuration property.
> We will populate the column info passed from HAWQ (HAWQ-927) into the following configuration properties
> hive.io.file.readcolumn.ids, hive.io.file.readcolumn.names. hive.io.file.read.all.columns will be set to false.



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