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https://issues.apache.org/jira/browse/HIVE-3649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gang Tim Liu updated HIVE-3649:
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Description:
We need to differ normal skewed table from list bucketing table. we use an
optional parameter "store as DIRECTORIES"
create table <T> (schema) skewed by (keys) on ('c1', 'c2') [store as
DIRECTORIES];
details in https://cwiki.apache.org/confluence/display/Hive/ListBucketing
4 main cases:
1. create table <name> skewed by .. on .. stored as directories;
2. alter table <name> skewed by .. on .. stored as directories;
3. alter table <name> not skewed;
4. alter table <name> not stored as directories;
was:
We need to differ normal skewed table from list bucketing table. we use an
optional parameter "store as DIRECTORIES"
create table <T> (schema) skewed by (keys) on ('c1', 'c2') [store as
DIRECTORIES];
details in
https://cwiki.apache.org/confluence/display/Hive/ListBucketing
> Hive List Bucketing - enhance DDL to specify list bucketing table
> -----------------------------------------------------------------
>
> Key: HIVE-3649
> URL: https://issues.apache.org/jira/browse/HIVE-3649
> Project: Hive
> Issue Type: New Feature
> Affects Versions: 0.10.0
> Reporter: Gang Tim Liu
>
> We need to differ normal skewed table from list bucketing table. we use an
> optional parameter "store as DIRECTORIES"
> create table <T> (schema) skewed by (keys) on ('c1', 'c2') [store as
> DIRECTORIES];
> details in https://cwiki.apache.org/confluence/display/Hive/ListBucketing
> 4 main cases:
> 1. create table <name> skewed by .. on .. stored as directories;
> 2. alter table <name> skewed by .. on .. stored as directories;
> 3. alter table <name> not skewed;
> 4. alter table <name> not stored as directories;
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