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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "Hive/StatsDev" by ahmedaly
Date Thu, 29 Jul 2010 00:40:28 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The "Hive/StatsDev" page has been changed by ahmedaly.
http://wiki.apache.org/hadoop/Hive/StatsDev?action=diff&rev1=44&rev2=45

--------------------------------------------------

  
  == Examples ==
  Suppose table Table1 has 4 partitions with the following specs:
-  Partition1: ds='',hr=11
+  *Partition1: ds='2008-04-08',hr=11
-  Partition2: ds='',hr=12
+  *Partition2: ds='2008-04-08',hr=12
-  Partition3: ds='',hr=11
+  *Partition3: ds='2008-04-09',hr=11
-  Partition4: ds='',hr=12
+  *Partition4: ds='2008-04-09',hr=12
  and the user issues the following command:
  {{{
  ANALYZE TABLE Table1 PARTITION(ds='', hr) COMPUTE STATISTICS;

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