[jira] [Updated] (HIVE-15269) Dynamic Min-Max runtime-filtering for Tez

["Jason Dere (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-15269?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Dere updated HIVE-15269:
------------------------------
    Issue Type: New Feature  (was: Bug)

> Dynamic Min-Max runtime-filtering for Tez
> -----------------------------------------
>
>                 Key: HIVE-15269
>                 URL: https://issues.apache.org/jira/browse/HIVE-15269
>             Project: Hive
>          Issue Type: New Feature
>            Reporter: Jason Dere
>            Assignee: Deepak Jaiswal
>
> If a dimension table and fact table are joined:
> {noformat}
> select *
> from store join store_sales on (store.id = store_sales.store_id)
> where store.s_store_name = 'My Store'
> {noformat}
> One optimization that can be done is to get the min/max store id values that come out of the scan/filter of the store table, and send this min/max value (via Tez edge) to the task which is scanning the store_sales table.
> We can add a BETWEEN(min, max) predicate to the store_sales TableScan, where this predicate can be pushed down to the storage handler (for example for ORC formats). Pushing a min/max predicate to the ORC reader would allow us to avoid having to entire whole row groups during the table scan.



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