Status of Hive Authorization before Hive 0.13 SQL Standards Based Hive Authorization (New in Hive 0.13) Restrictions on Hive Commands and Statements Privileges Objects Object Ownership Users and Roles Names of Users and Roles Role Management Commands…
[Spark][Hive][Python][SQL]Spark 读取Hive表的小例子$ cat customers.txt 1 Ali us 2 Bsb ca 3 Carls mx $ hive hive> > CREATE TABLE IF NOT EXISTS customers( > cust_id string, > name string, > country string > ) > ROW FORMAT DELIMITED FIELDS TERMI…
Transform/Map-Reduce Syntax SQL Standard Based Authorization Disallows TRANSFORM TRANSFORM Examples Schema-less Map-reduce Scripts Typing the output of TRANSFORM Transform/Map-Reduce Syntax Users can also plug in their own custom mappers and reducers…
Create/Drop/Grant/Revoke Roles and Privileges Hive Default Authorization - Legacy Mode has information about these DDL statements: CREATE ROLE GRANT ROLE REVOKE ROLE GRANT privilege_type REVOKE privilege_type DROP ROLE SHOW ROLE GRANT SHOW GRANT For …
LanguageManual WindowingAndAnalytics Skip to end of metadata Added by Lefty Leverenz, last edited by Lefty Leverenz on Aug 01, 2014 (view change) show comment Go to start of metadata Windowing and Analytics Functions Windowing and Analytics…
Join Optimization Join Optimization Improvements to the Hive Optimizer Star Join Optimization Star Schema Example Prior Support for MAPJOIN Limitations of Prior Implementation Enhancements for Star Joins Optimize Chains of Map Joins Current and Futur…
