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Posted to issues@spark.apache.org by "Bo Meng (JIRA)" <ji...@apache.org> on 2016/03/31 15:48:25 UTC
[jira] [Commented] (SPARK-14129) [Table related commands] Alter
table
[ https://issues.apache.org/jira/browse/SPARK-14129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15219883#comment-15219883 ]
Bo Meng commented on SPARK-14129:
---------------------------------
This is for ALTER TABLE...RENAME TO.. I will be working on rest of them.
> [Table related commands] Alter table
> ------------------------------------
>
> Key: SPARK-14129
> URL: https://issues.apache.org/jira/browse/SPARK-14129
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Yin Huai
>
> For alter table command, we have the following tokens.
> TOK_ALTERTABLE_RENAME
> TOK_ALTERTABLE_LOCATION
> TOK_ALTERTABLE_PROPERTIES/TOK_ALTERTABLE_DROPPROPERTIES
> TOK_ALTERTABLE_SERIALIZER
> TOK_ALTERTABLE_SERDEPROPERTIES
> TOK_ALTERTABLE_CLUSTER_SORT
> TOK_ALTERTABLE_SKEWED
> For a data source table, let's implement TOK_ALTERTABLE_RENAME, TOK_ALTERTABLE_LOCATION, and TOK_ALTERTABLE_SERDEPROPERTIES. We need to decide what we do for TOK_ALTERTABLE_PROPERTIES/TOK_ALTERTABLE_DROPPROPERTIES. It will be use to allow users to correct the data format (e.g. changing csv to com.databricks.spark.csv to allow the table be accessed by the older versions of spark).
> For a Hive table, we should implement all commands supported by the data source table and TOK_ALTERTABLE_PROPERTIES/TOK_ALTERTABLE_DROPPROPERTIES.
> For TOK_ALTERTABLE_CLUSTER_SORT and TOK_ALTERTABLE_SKEWED, we should throw exceptions.
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