Navis created HIVE-11752:
----------------------------
Summary: Pre-materializing complex CTE queries
Key: HIVE-11752
URL: https://issues.apache.org/jira/browse/HIVE-11752
Project: Hive
Issue Type: Improvement
Components: Query Processor
Reporter: Navis
Assignee: Navis
Priority: Minor
Currently, hive regards CTE clauses as a simple alias to the query block, which
makes redundant works if it's used multiple times in a query. This introduces a
reference threshold for pre-materializing the CTE clause as a volatile table
(which is not exists in any form of metastore and just accessible from QB).
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
