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The "Hive/PartitionedViews" page has been changed by JohnSichi. http://wiki.apache.org/hadoop/Hive/PartitionedViews?action=diff&rev1=6&rev2=7 -------------------------------------------------- Likewise, suppose you have view V2 which selects from T1 (with no WHERE clause) and is partitioned on C2. Then a query such as SELECT * FROM V2 WHERE C2=3 will fail; even though the view partition column is constrained, there is no predicate on the underlying T1's partition column C1. + = View Definition Changes = + + Currently, changing a view definition requires dropping the view and recreating it. This implies dropping and recreating all existing partitions as well, which could be very expensive. + + This implies that followup support for [[https://issues.apache.org/jira/browse/HIVE-1078|CREATE OR REPLACE]] is very important, and that it needs to preserve existing partitions (after validating that they are still compatible with the new view definition). +
