[ https://issues.apache.org/jira/browse/HIVE-22816?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gopal Vijayaraghavan updated HIVE-22816: ---------------------------------------- Attachment: HIVE-22816.1.patch > QueryCache: Queries using views can have them cached after CTE expansion > ------------------------------------------------------------------------ > > Key: HIVE-22816 > URL: https://issues.apache.org/jira/browse/HIVE-22816 > Project: Hive > Issue Type: Bug > Components: Query Processor > Reporter: Gopal Vijayaraghavan > Assignee: Gopal Vijayaraghavan > Priority: Major > Attachments: HIVE-22816.1.patch > > > {code} > create view ss_null as select * from store_Sales where ss_Sold_date_sk is > null; > select count(ss_ticket_number) from ss_null; > with ss_null_cte as > (select * from store_Sales where ss_Sold_date_sk is null) > select count(ss_ticket_number) from ss_null_cte; > {code} > Are treated differently by the query cache, however their execution is > identical. > CBO rewrites the view query into AST form as follows > {code} > SELECT COUNT(`ss_ticket_number`) AS `$f0` > FROM `tpcds_bin_partitioned_acid_orc_10000`.`store_sales` > WHERE `ss_sold_date_sk` IS NULL > {code} > But retains the write-entity for the VIRTUAL_VIEW for Ranger authorization > {code} > 0: jdbc:hive2://localhost:10013> explain dependency select count(distinct > ss_ticket_number) from ss_null; > +----------------------------------------------------+ > | Explain | > +----------------------------------------------------+ > | > {"input_tables":[{"tablename":"tpcds_bin_partitioned_acid_orc_10000@ss_null","tabletype":"VIRTUAL_VIEW"},{"tablename":"tpcds_bin_partitioned_acid_orc_10000@store_sales","tabletype":"MANAGED_TABLE","tableParents":"[tpcds_bin_partitioned_acid_orc_10000@ss_null]"}],"input_partitions":[{"partitionName":"tpcds_bin_partitioned_acid_orc_10000@store_sales@ss_sold_date_sk=__HIVE_DEFAULT_PARTITION__"}]} > | > +----------------------------------------------------+ > {code} > Causing Query cache to print out > {code} > parse.CalcitePlanner: Not eligible for results caching - query contains > non-transactional tables [ss_null] > {code} -- This message was sent by Atlassian Jira (v8.3.4#803005)