Yes, Namit has a great summary. thanks On 7/27/12 9:09 PM, "Namit Jain" <nj...@fb.com> wrote:
>Yes, that patch will become quiet big to be done a single shot. > >Moreover, the skew information can be used by a variety of use-cases. > >1. List Bucketing >2. Skew Joins: https://cwiki.apache.org/Hive/skewed-join-optimization.html >3. Another variant of skew joins: >https://issues.apache.org/jira/browse/HIVE-3286 > >So, the skew may not be limited to be used for list bucketing only. > >So, it might be simpler to split into DDL and DML support. > >DDL will be common to all the use-cases who want to use/store skew >information. > >Each use-case can implement the DML/Query separately. > > >Thanks, >-namit > > >On 7/28/12 7:07 AM, "Carl Steinbach" <c...@cloudera.com> wrote: > >>> Since we are close to release the first patch DDL. >> >>In a comment on the design doc you said that the first phase would >>involve >>implementing this feature for a single-column end-to-end (DML+DDL). Has >>that plan changed? >> >>Thanks. >> >>Carl >> >>On Wed, Jul 25, 2012 at 12:31 AM, Gang Tim Liu <g...@fb.com> wrote: >> >>> Dear all hive developers, >>> >>> Please review the documentation: >>> >>> https://cwiki.apache.org/confluence/display/Hive/ListBucketing >>> >>> Since we are close to release the first patch DDL. >>> >>> We will continue to update the wiki about new information and in the >>> meanwhile want to collect your feedback. >>> >>> Thanks >>> >>> Tim >>> >>> >
