Monday, May 5, 2014

Hive development !

A lot of improvment for this new release of Hive !
  • [NOT] EXIST and [NOT] IN are available
  • WITH t_table_name AS ... well know as Common Table Expressions too
  • SELECT ... WHERE (SELECT c_column1 FROM ...) as Correlated Subqueries
  • SQL authorization system (GRANT, REVOKE) is now working
  • The Tez engine which can be enable thanks to set hive.execution.engine=tez;ee

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